Document:

EX-10.4

 Exhibit 10.4 

AVALANCHE BIOTECHNOLOGIES, INC. 

2006 EQUITY INCENTIVE PLAN 

ADOPTED BY BOARD ON: DECEMBER 29, 2006 

APPROVED BY STOCKHOLDERS: DECEMBER 29, 2006 

TERMINATION DATE: DECEMBER 29, 2016 

1. GENERAL. 
 (a)
Eligible Stock Award Recipients. The persons eligible to receive Stock Awards are Employees, Directors and Consultants. 
 (b)
Available Stock Awards. The Plan provides for the grant of the following Stock Awards: (i) Incentive Stock Options, (ii) Nonstatutory Stock Options, (iii) Restricted Stock Awards, (iv) Restricted Stock Unit Awards, and
(v) Stock Appreciation Rights. 
 (c) Purpose. The Company, by means of the Plan, seeks to secure and retain the services of the
group of persons eligible to receive Stock Awards as set forth in Section 1(a), to provide incentives for such persons to exert maximum efforts for the success of the Company and any Affiliate, and to provide a means by which such eligible
recipients may be given an opportunity to benefit from increases in value of the Common Stock through the granting of Stock Awards. 
 2.
ADMINISTRATION. 
 (a) Administration by Board. The Board shall administer the Plan unless and until the Board
delegates administration of the Plan to a Committee, as provided in Section 2(c). 
 (b) Powers of Board. The Board shall have the
power, subject to, and within the limitations of, the express provisions of the Plan: 
 (i) To determine from time to time
(A) which of the persons eligible under the Plan shall be granted Stock Awards; (B) when and how each Stock Award shall be granted; (C) what type or combination of types of Stock Award shall be granted; (D) the provisions of each
Stock Award granted (which need not be identical), including the time or times when a person shall be permitted to receive cash or Common Stock pursuant to a Stock Award; (E) the number of shares of Common Stock with respect to which a Stock
Award shall be granted to each such person; and (F) the Fair Market Value applicable to a Stock Award. 
 (ii) To construe and
interpret the Plan and Stock Awards granted under it, and to establish, amend and revoke rules and regulations for its administration. The Board, in the exercise of this power, may correct any defect, omission or inconsistency in the Plan or in any
Stock Award Agreement, in a manner and to the extent it shall deem necessary or expedient to make the Plan or Stock Award fully effective. 

  
 1. 

 (iii) To settle all controversies regarding the Plan and Stock Awards granted under it.

 (iv) To accelerate the time at which a Stock Award may first be exercised or the time during which a Stock Award or any part
thereof will vest in accordance with the Plan, notwithstanding the provisions in the Stock Award stating the time at which it may first be exercised or the time during which it will vest. 

(v) To suspend or terminate the Plan at any time. Suspension or termination of the Plan shall not impair rights and obligations under
any Stock Award granted while the Plan is in effect except with the written consent of the affected Participant. 
 (vi) To amend the
Plan in any respect the Board deems necessary or advisable, including, without limitation, relating to Incentive Stock Options and certain nonqualified deferred compensation under Section 409A of the Code and/or to bring the Plan or Stock
Awards granted under the Plan into compliance therewith, subject to the limitations, if any, of applicable law. However, except as provided in Section 9(a) relating to Capitalization Adjustments, to the extent required by applicable law,
stockholder approval shall be required for any amendment of the Plan that either (i) materially increases the number of shares of Common Stock available for issuance under the Plan, (ii) materially expands the class of individuals eligible
to receive Stock Awards under the Plan, (iii) materially increases the benefits accruing to Participants under the Plan or materially reduces the price at which shares of Common Stock may be issued or purchased under the Plan,
(iv) materially extends the term of the Plan, or (v) expands the types of Stock Awards available for issuance under the Plan. Except as provided above, rights under any Stock Award granted before amendment of the Plan shall not be impaired
by any amendment of the Plan unless (i) the Company requests the consent of the affected Participant, and (ii) such Participant consents in writing.  

(vii) To submit any amendment to the Plan for stockholder approval, including, but not limited to, amendments to the Plan intended to
satisfy the requirements of Section 422 of the Code regarding Incentive Stock Options. 
 (viii) To approve forms of Stock Award
Agreements for use under the Plan and to amend the terms of any one or more Stock Awards, including, but not limited to, amendments to provide terms more favorable than previously provided in the Stock Award Agreement, subject to any specified
limits in the Plan that are not subject to Board discretion; provided however, that, the rights under any Stock Award shall not be impaired by any such amendment unless (i) the Company requests the consent of the affected Participant,
and (ii) such Participant consents in writing. Notwithstanding the foregoing, subject to the limitations of applicable law, if any, and without the affected Participant’s consent, the Board may amend the terms of any one or more Stock
Awards if necessary to maintain the qualified status of the Stock Award as an Incentive Stock Option or to bring the Stock Award into compliance with Section 409A of the Code and the related guidance thereunder. 

(ix) Generally, to exercise such powers and to perform such acts as the Board deems necessary or expedient to promote the best
interests of the Company and that are not in conflict with the provisions of the Plan or Stock Awards. 

  
 2. 

 (x) To adopt such procedures and sub-plans as are necessary or appropriate to permit
participation in the Plan by Employees, Directors or Consultants who are foreign nationals or employed outside the United States. 
 (xi)
To effect, at any time and from time to time, with the consent of any adversely affected Optionholder, (1) the reduction of the exercise price of any outstanding Option under the Plan, (2) the cancellation of any outstanding Option
under the Plan and the grant in substitution therefor of (A) a new Option under the Plan or another equity plan of the Company covering the same or a different number of shares of Common Stock, (B) a Restricted Stock Award, (C) a
Stock Appreciation Right, (D) Restricted Stock Unit, (E) cash and/or (F) other valuable consideration (as determined by the Board, in its sole discretion), or (3) any other action that is treated as a repricing under generally
accepted accounting principles; provided, however, that no such reduction or cancellation may be effected if it is determined, in the Company’s sole discretion, that such reduction or cancellation would result in any such outstanding
Option becoming subject to the requirements of Section 409A of the Code. 
 (c) Delegation to Committee. The Board may delegate
some or all of the administration of the Plan to a Committee or Committees. If administration of the Plan is delegated to a Committee, the Committee shall have, in connection with the administration of the Plan, the powers theretofore possessed by
the Board that have been delegated to the Committee, including the power to delegate to a subcommittee of the Committee any of the administrative powers the Committee is authorized to exercise (and references in this Plan to the Board shall
thereafter be to the Committee or subcommittee), subject, however, to such resolutions, not inconsistent with the provisions of the Plan, as may be adopted from time to time by the Board. The Board may retain the authority to concurrently administer
the Plan with the Committee and may, at any time, revest in the Board some or all of the powers previously delegated. 
 (d) Delegation
to an Officer. The Board may delegate to one or more Officers the authority to do one or both of the following: (i) designate Employees who are not Officers to be recipients of Options (and, to the extent permitted by applicable law, other
Stock Awards) and the terms thereof, and (ii) determine the number of shares of Common Stock to be subject to such Stock Awards granted to such Employees; provided, however, that the Board resolutions regarding such delegation shall
specify the total number of shares of Common Stock that may be subject to the Stock Awards granted by such Officer and that such Officer may not grant a Stock Award to himself or herself. Notwithstanding anything to the contrary in this
Section 2(d), the Board may not delegate to an Officer authority to determine the Fair Market Value of the Common Stock pursuant to Section 13(t) below. 

(e) Effect of Board’s Decision. All determinations, interpretations and constructions made by the Board in good faith shall not be
subject to review by any person and shall be final, binding and conclusive on all persons. 
 3. SHARES SUBJECT
TO THE PLAN. 
 (a) Subject to Section 9(a) relating to Capitalization
Adjustments, the aggregate number of shares of Common Stock of the Company that may be issued pursuant to Stock Awards after the Effective Date shall not exceed Two Million Seven Hundred Seventy Thousand

  
 3. 

 
(2,770,000) shares. For clarity, the limitation in this Section 3(a) is a limitation in the number of shares of Common Stock that may be issued pursuant to the Plan. Accordingly, this
Section 3(a) does not limit the granting of Stock Awards except as provided in Section 7(a). Furthermore, if a Stock Award (i) expires or otherwise terminates without having been exercised in full or (ii) is settled in cash
(i.e., the holder of the Stock Award receives cash rather than stock), such expiration, termination or settlement shall not reduce (or otherwise offset) the number of shares of Common Stock that may be issued pursuant to the Plan. 

(b) If any shares of Common Stock issued pursuant to a Stock Award are forfeited back to the Company because of the failure to meet a
contingency or condition required to vest such shares in the Participant, then the shares which are forfeited shall revert to and again become available for issuance under the Plan. Also, any shares reacquired by the Company pursuant to
Section 8(g) or as consideration for the exercise of an Option shall again become available for issuance under the Plan. Notwithstanding the provisions of this Section 3(b), any such shares shall not be subsequently issued pursuant to the
exercise of Incentive Stock Options. 
 (c) Incentive Stock Option Limit. Notwithstanding anything to the contrary in this
Section 3(c), subject to the provisions of Section 9(a) relating to Capitalization Adjustments, the aggregate maximum number of shares of Common Stock that may be issued pursuant to the exercise of Incentive Stock Options shall be Two
Million Seven Hundred Seventy Thousand (2,770,000) shares of Common Stock. 
 (d) Source of Shares. The stock issuable under the
Plan shall be shares of authorized but unissued or reacquired Common Stock, including shares repurchased by the Company on the open market. 

(e) Share Reserve Limitation. To the extent required by Section 260.140.45 of Title 10 of the California Code of Regulations, the
total number of shares of Common Stock issuable upon exercise of all outstanding Options and the total number of shares of Common Stock provided for under any stock bonus or similar plan of the Company shall not exceed the applicable percentage as
calculated in accordance with the conditions and exclusions of Section 260.140.45 of Title 10 of the California Code of Regulations, based on the shares of Common Stock of the Company that are outstanding at the time the calculation is made.

 4. ELIGIBILITY. 

(a) Eligibility for Specific Stock Awards. Incentive Stock Options may be granted only to employees of the Company or a “parent
corporation” or “subsidiary corporation” thereof (as such terms are defined in Sections 424(e) and (f) of the Code). Stock Awards other than Incentive Stock Options may be granted to Employees, Directors and Consultants. 

(b) Ten Percent Stockholders.  

(i) A Ten Percent Stockholder shall not be granted an Incentive Stock Option unless the exercise price of such Option is at least one
hundred ten percent (110%) of the Fair Market Value of the Common Stock on the date of grant and the Option is not exercisable after the expiration of five (5) years from the date of grant. 

  
 4. 

 (ii) A Ten Percent Stockholder shall not be granted a Nonstatutory Stock Option unless the
exercise price of such Option is at least (i) one hundred ten percent (110%) of the Fair Market Value of the Common Stock on the date of grant or (ii) such lower percentage of the Fair Market Value of the Common Stock on the date of
grant as is permitted by Section 260.140.41 of Title 10 of the California Code of Regulations at the time of the grant of the Option. 

(iii) A Ten Percent Stockholder shall not be granted a Restricted Stock Award or Stock Appreciation Right (if such award could be
settled in shares of Common Stock) unless the purchase price of the restricted stock is at least (i) one hundred percent (100%) of the Fair Market Value of the Common Stock on the date of grant or (ii) such lower percentage of the
Fair Market Value of the Common Stock on the date of grant as is permitted by Section 260.140.42 of Title 10 of the California Code of Regulations at the time of the grant of the award. 

(c) Consultants. A Consultant shall not be eligible for the grant of a Stock Award if, at the time of grant, either the offer or the
sale of the Company’s securities to such Consultant is not exempt under Rule 701 of the Securities Act (“Rule 701”) because of the nature of the services that the Consultant is providing to the Company, because the
Consultant is not a natural person, or because of any other provision of Rule 701, unless the Company determines that such grant need not comply with the requirements of Rule 701 and will satisfy another exemption under the Securities Act as well as
comply with the securities laws of all other relevant jurisdictions. 
 5. OPTION PROVISIONS. 

Each Option shall be in such form and shall contain such terms and conditions as the Board shall deem appropriate. All Options shall be
separately designated Incentive Stock Options or Nonstatutory Stock Options at the time of grant, and, if certificates are issued, a separate certificate or certificates shall be issued for shares of Common Stock purchased on exercise of each type
of Option. If an Option is not specifically designated as an Incentive Stock Option, then the Option shall be a Nonstatutory Stock Option. The provisions of separate Options need not be identical; provided, however, that each Option Agreement
shall include (through incorporation of provisions hereof by reference in the Option Agreement or otherwise) the substance of each of the following provisions: 

(a) Term. Subject to the provisions of Section 4(b) regarding Ten Percent Stockholders, no Option shall be exercisable after the
expiration of ten (10) years from the date of its grant or such shorter period specified in the Option Agreement. 
 (b) Exercise
Price. Subject to the provisions of Section 4(b) regarding Ten Percent Stockholders, the exercise price of each Option shall be not less than one hundred percent (100%) of the Fair Market Value of the Common Stock subject to the Option
on the date the Option is granted. Notwithstanding the foregoing, an Option may be granted with an exercise price lower than one hundred percent (100%) of the Fair Market Value of the Common Stock subject to the Option if such Option is granted
pursuant to an assumption or substitution for another option in a manner consistent with the provisions of Section 424(a) of the Code (whether or not such options are Incentive Stock Options). 

  
 5. 

 (c) Consideration. The purchase price of Common Stock acquired pursuant to the exercise of
an Option shall be paid, to the extent permitted by applicable law and as determined by the Board in its sole discretion, by any combination of the methods of payment set forth below. The Board shall have the authority to grant Options that do not
permit all of the following methods of payment (or otherwise restrict the ability to use certain methods) and to grant Options that require the consent of the Company to utilize a particular method of payment. The permitted methods of payment are as
follows: 
 (i) by cash, check, bank draft or money order payable to the Company; 

(ii) pursuant to a program developed under Regulation T as promulgated by the Federal Reserve Board that, prior to the issuance of the
stock subject to the Option, results in either the receipt of cash (or check) by the Company or the receipt of irrevocable instructions to pay the aggregate exercise price to the Company from the sales proceeds; 

(iii) by delivery to the Company (either by actual delivery or attestation) of shares of Common Stock; 

(iv) by a “net exercise” arrangement pursuant to which the Company will reduce the number of shares of Common Stock issued
upon exercise by the largest whole number of shares with a Fair Market Value that does not exceed the aggregate exercise price; provided, however, that the Company shall accept a cash or other payment from the Participant to the extent of any
remaining balance of the aggregate exercise price not satisfied by such reduction in the number of whole shares to be issued; provided, further, that shares of Common Stock will no longer be outstanding under an Option and will not be
exercisable thereafter to the extent that (A) shares are used to pay the exercise price pursuant to the “net exercise,” (B) shares are delivered to the Participant as a result of such exercise, and (C) shares are withheld to
satisfy tax withholding obligations; or 
 (v) in any other form of legal consideration that may be acceptable to the Board. 

(d) Transferability of Options. The Board may, in its sole discretion, impose such limitations on the transferability of Options as the
Board shall determine. In the absence of such a determination by the Board to the contrary, the following restrictions on the transferability of Options shall apply: 

(i) Restrictions on Transfer. An Option shall not be transferable except by will or by the laws of descent and distribution and shall
be exercisable during the lifetime of the Optionholder only by the Optionholder; provided, however, that the Board may, in its sole discretion, permit transfer of the Option to such extent as permitted by Section 260.140.41(d) of Title
10 of the California Code of Regulations at the time of the grant of the Option and in a manner consistent with applicable tax and securities laws upon the Optionholder’s request. 

(ii) Domestic Relations Orders. Notwithstanding the foregoing, an Option may be transferred pursuant to a domestic relations order,
provided, however, that an Incentive Stock Option may be deemed to be a Nonqualified Stock Option as a result of such transfer. 

  
 6. 

 (iii) Beneficiary Designation. Notwithstanding the foregoing, the Optionholder may, by
delivering written notice to the Company, in a form provided by or otherwise satisfactory to the Company, designate a third party who, in the event of the death of the Optionholder, shall thereafter be the beneficiary of an Option with the right to
exercise the Option and receive the Common Stock or other consideration resulting from the Option exercise. 
 (e) Vesting of Options
Generally. The total number of shares of Common Stock subject to an Option may vest and therefore become exercisable in periodic installments that may or may not be equal. The Option may be subject to such other terms and conditions on the time
or times when it may or may not be exercised (which may be based on the satisfaction of performance goals or other criteria) as the Board may deem appropriate. The vesting provisions of individual Options may vary. The provisions of this
Section 5(e) are subject to any Option provisions governing the minimum number of shares of Common Stock as to which an Option may be exercised. 

(f) Minimum Vesting. Notwithstanding the foregoing Section 5(e), to the extent that the following restrictions on vesting are
required by Section 260.140.41(f) of Title 10 of the California Code of Regulations at the time of the grant of the Option, then: 

(i) Options granted to an Employee who is not an Officer, Director or Consultant shall provide for vesting of the total number of
shares of Common Stock at a rate of at least twenty percent (20%) per year over five (5) years from the date the Option was granted, subject to reasonable conditions such as continued employment; and 

(ii) Options granted to Officers, Directors or Consultants may be made fully exercisable, subject to reasonable conditions such as
continued employment, at any time or during any period established by the Company. 
 (g) Termination of Continuous Service. Except
as otherwise provided in the applicable Option Agreement or other agreement between the Optionholder and the Company, in the event that an Optionholder’s Continuous Service terminates (other than for Cause or upon the Optionholder’s death
or Disability), the Optionholder may exercise his or her Option (to the extent that the Optionholder was entitled to exercise such Option as of the date of termination of Continuous Service) but only within such period of time ending on the earlier
of (i) the date three (3) months following the termination of the Optionholder’s Continuous Service (or such longer or shorter period specified in the Option Agreement, which period shall not be less than thirty (30) days unless
such termination is for Cause), or (ii) the expiration of the term of the Option as set forth in the Option Agreement. If, after termination of Continuous Service, the Optionholder does not exercise his or her Option within the time specified
herein or in the Option Agreement (as applicable), the Option shall terminate. 
 (h) Extension of Termination Date. An
Optionholder’s Option Agreement may provide that if the exercise of the Option following the termination of the Optionholder’s Continuous Service (other than for Cause or upon the Optionholder’s death or Disability) would be
prohibited at any time solely because the issuance of shares of Common Stock would violate the registration requirements under the Securities Act, then the Option shall terminate on the earlier of (i) the expiration of a period of three
(3) months after the termination of the 

  
 7. 

 
Optionholder’s Continuous Service during which the exercise of the Option would not be in violation of such registration requirements, or (ii) the expiration of the term of the Option
as set forth in the Option Agreement. 
 (i) Disability of Optionholder. In the event that an Optionholder’s Continuous Service
terminates as a result of the Optionholder’s Disability, the Optionholder may exercise his or her Option (to the extent that the Optionholder was entitled to exercise such Option as of the date of termination of Continuous Service), but only
within such period of time ending on the earlier of (i) the date twelve (12) months following such termination of Continuous Service (or such longer or shorter period specified in the Option Agreement, which period shall not be less than
six (6) months), or (ii) the expiration of the term of the Option as set forth in the Option Agreement. If, after termination of Continuous Service, the Optionholder does not exercise his or her Option within the time specified herein or
in the Option Agreement (as applicable), the Option shall terminate. 
 (j) Death of Optionholder. In the event that (i) an
Optionholder’s Continuous Service terminates as a result of the Optionholder’s death, or (ii) the Optionholder dies within the period (if any) specified in the Option Agreement after the termination of the Optionholder’s
Continuous Service for a reason other than death, then the Option may be exercised (to the extent the Optionholder was entitled to exercise such Option as of the date of death) by the Optionholder’s estate, by a person who acquired the right to
exercise the Option by bequest or inheritance or by a person designated as the beneficiary of the Option upon the Optionholder’s death, but only within the period ending on the earlier of (i) the date eighteen (18) months following
the date of death (or such longer or shorter period specified in the Option Agreement, which period shall not be less than six (6) months), or (ii) the expiration of the term of such Option as set forth in the Option Agreement. If, after
the Optionholder’s death, the Option is not exercised within the time specified herein or in the Option Agreement (as applicable), the Option shall terminate. If the Optionholder designates a third party beneficiary of the Option in accordance
with Section 5(d)(iii), then upon the death of the Optionholder such designated beneficiary shall have the sole right to exercise the Option and receive the Common Stock or other consideration resulting from the Option exercise. 

(k) Termination for Cause. Except as explicitly provided otherwise in an Optionholder’s Option Agreement, in the event that an
Optionholder’s Continuous Service is terminated for Cause, the Option shall terminate upon the termination date of such Optionholder’s Continuous Service, and the Optionholder shall be prohibited from exercising his or her Option from and
after the time of such termination of Continuous Service. 
 (l) Non-Exempt Employees. No Option granted to an Employee that is a
non-exempt employee for purposes of the Fair Labor Standards Act shall be first exercisable for any shares of Common Stock until at least six months following the date of grant of the Option. The foregoing provision is intended to operate so that
any income derived by a non-exempt employee in connection with the exercise or vesting of an Option will be exempt from his or her regular rate of pay. 

(m) Early Exercise. The Option may, but need not, include a provision whereby the Optionholder may elect at any time before the
Optionholder’s Continuous Service terminates to 

  
 8. 

 
exercise the Option as to any part or all of the shares of Common Stock subject to the Option prior to the full vesting of the Option. Subject to the “Repurchase Limitation” in
Section 8(l), any unvested shares of Common Stock so purchased may be subject to a repurchase option in favor of the Company or to any other restriction the Board determines to be appropriate. Provided that the “Repurchase Limitation”
in Section 8(l) is not violated, the Company shall not be required to exercise its repurchase option until at least six (6) months (or such longer or shorter period of time required to avoid classification of the Option as a liability for
financial accounting purposes) have elapsed following exercise of the Option unless the Board otherwise specifically provides in the Option Agreement. 

(n) Right of Repurchase. Subject to the “Repurchase Limitation” in Section 8(l), the Option may include a provision
whereby the Company may elect to repurchase all or any part of the vested shares of Common Stock acquired by the Optionholder pursuant to the exercise of the Option. Provided that the “Repurchase Limitation” in Section 8(l) is not
violated, the Company shall not be required to exercise its repurchase option until at least six (6) months (or such longer or shorter period of time necessary to avoid classification of the Option as a liability for financial accounting
purposes) have elapsed following exercise of the Option unless otherwise specifically provided in the Option Agreement. 
 (o) Right of
First Refusal. The Option may include a provision whereby the Company may elect to exercise a right of first refusal following receipt of notice from the Optionholder of the intent to transfer all or any part of the shares of Common Stock
received upon the exercise of the Option. Except as expressly provided in this Section 5(o) or in the Stock Award Agreement for the Option, such right of first refusal shall otherwise comply with any applicable provisions of the Bylaws of the
Company. The Company will not exercise its right of first refusal until at least six (6) months (or such longer or shorter period of time necessary to avoid classification of the Option as a liability for financial accounting purposes) have
elapsed following exercise of the Option unless otherwise specifically provided in the Option Agreement. 
 6. PROVISIONS
OF STOCK AWARDS OTHER THAN OPTIONS. 
 (a)
Restricted Stock Awards. Each Restricted Stock Award Agreement shall be in such form and shall contain such terms and conditions as the Board shall deem appropriate. To the extent consistent with the Company’s Bylaws, at the Board’s
election, shares of Common Stock may be (x) held in book entry form subject to the Company’s instructions until any restrictions relating to the Restricted Stock Award lapse; or (y) evidenced by a certificate, which certificate shall
be held in such form and manner as determined by the Board. The terms and conditions of Restricted Stock Award Agreements may change from time to time, and the terms and conditions of separate Restricted Stock Award Agreements need not be identical;
provided, however, that each Restricted Stock Award Agreement shall include (through incorporation of the provisions hereof by reference in the agreement or otherwise) the substance of each of the following provisions: 

(i) Consideration. A Restricted Stock Award may be awarded in consideration for (A) past or future services actually or to be
rendered to the Company or an Affiliate, or (B) any other form of legal consideration that may be acceptable to the Board in its 

  
 9. 

 
sole discretion and permissible under applicable law. Subject to the provisions of Section 4(b) regarding Ten Percent Stockholders, any price to be paid by the Participant for each share
subject to the Restricted Stock Award shall not be less than eighty-five percent (85%) of the Common Stock’s Fair Market Value on the date such Stock Award is made or at the time the purchase is consummated. 

(ii) Vesting. Shares of Common Stock awarded under the Restricted Stock Award Agreement may be subject to forfeiture to the Company in
accordance with a vesting schedule to be determined by the Board. 
 (iii) Termination of Participant’s Continuous Service. In
the event a Participant’s Continuous Service terminates, the Company may receive via a forfeiture condition, any or all of the shares of Common Stock held by the Participant which have not vested as of the date of termination of Continuous
Service under the terms of the Restricted Stock Award Agreement. 
 (iv) Transferability. Rights to acquire shares of Common Stock
under the Restricted Stock Award Agreement shall be transferable by the Participant only upon such terms and conditions as are set forth in the Restricted Stock Award Agreement, as the Board shall determine in its sole discretion, so long as Common
Stock awarded under the Restricted Stock Award Agreement remains subject to the terms of the Restricted Stock Award Agreement. 
 (b)
Restricted Stock Unit Awards. Each Restricted Stock Unit Award Agreement shall be in such form and shall contain such terms and conditions as the Board shall deem appropriate. The terms and conditions of Restricted Stock Unit Award Agreements
may change from time to time, and the terms and conditions of separate Restricted Stock Unit Award Agreements need not be identical, provided, however, that each Restricted Stock Unit Award Agreement shall include (through incorporation of
the provisions hereof by reference in the Agreement or otherwise) the substance of each of the following provisions: 
 (i)
Consideration. At the time of grant of a Restricted Stock Unit Award, the Board will determine the consideration, if any, to be paid by the Participant upon delivery of each share of Common Stock subject to the Restricted Stock Unit Award. The
consideration to be paid (if any) by the Participant for each share of Common Stock subject to a Restricted Stock Unit Award may be paid in any form of legal consideration that may be acceptable to the Board in its sole discretion and permissible
under applicable law. 
 (ii) Vesting. At the time of the grant of a Restricted Stock Unit Award, the Board may impose such
restrictions or conditions to the vesting of the Restricted Stock Unit Award as it, in its sole discretion, deems appropriate. 
 (iii)
Payment. A Restricted Stock Unit Award may be settled by the delivery of shares of Common Stock, their cash equivalent, any combination thereof or in any other form of consideration, as determined by the Board and contained in the Restricted
Stock Unit Award Agreement. 
 (iv) Additional Restrictions. At the time of the grant of a Restricted Stock Unit Award, the Board, as
it deems appropriate, may impose such restrictions or conditions that delay the delivery of the shares of Common Stock (or their cash equivalent) subject to a Restricted Stock Unit Award to a time after the vesting of such Restricted Stock Unit
Award. 

  
 10. 

 (v) Dividend Equivalents. Dividend equivalents may be credited in respect of shares of
Common Stock covered by a Restricted Stock Unit Award, as determined by the Board and contained in the Restricted Stock Unit Award Agreement. At the sole discretion of the Board, such dividend equivalents may be converted into additional shares of
Common Stock covered by the Restricted Stock Unit Award in such manner as determined by the Board. Any additional shares covered by the Restricted Stock Unit Award credited by reason of such dividend equivalents will be subject to all the terms and
conditions of the underlying Restricted Stock Unit Award Agreement to which they relate. 
 (vi) Termination of Participant’s
Continuous Service. Except as otherwise provided in the applicable Restricted Stock Unit Award Agreement, such portion of the Restricted Stock Unit Award that has not vested will be forfeited upon the Participant’s termination of Continuous
Service. 
 (vii) Compliance with Section 409A of the Code. Notwithstanding anything to the contrary set forth herein, any
Restricted Stock Unit Award granted under the Plan that is not exempt from the requirements of Section 409A of the Code shall contain such provisions so that such Restricted Stock Unit Award will comply with the requirements of
Section 409A of the Code. Such restrictions, if any, shall be determined by the Board and contained in the Restricted Stock Unit Award Agreement evidencing such Restricted Stock Unit Award. For example, such restrictions may include, without
limitation, a requirement that any Common Stock that is to be issued in a year following the year in which the Restricted Stock Unit Award vests must be issued in accordance with a fixed pre-determined schedule. 

(c) Stock Appreciation Rights. Each Stock Appreciation Right Agreement shall be in such form and shall contain such terms and
conditions as the Board shall deem appropriate. Stock Appreciation Rights may be granted as stand-alone Stock Awards or in tandem with other Stock Awards. The terms and conditions of Stock Appreciation Right Agreements may change from time to time,
and the terms and conditions of separate Stock Appreciation Right Agreements need not be identical; provided, however, that each Stock Appreciation Right Agreement shall include (through incorporation of the provisions hereof by reference in
the agreement or otherwise) the substance of each of the following provisions: 
 (i) Term. Subject to the provisions of
Section 4(b) regarding Ten Percent Stockholders, no Stock Appreciation Right shall be exercisable after the expiration of ten (10) years from the date of grant or such shorter period specified in the Stock Appreciation Right Agreement.

 (ii) Strike Price. Each Stock Appreciation Right will be denominated in shares of Common Stock equivalents. Subject to the
provisions of Section 4(b) regarding Ten Percent Stockholders, the strike price of each Stock Appreciation Right granted as a stand-alone or tandem Stock Award shall not be less than one hundred percent (100%) of the Fair Market Value of
the Common Stock equivalents subject to the Stock Appreciation Right on the date of grant. 

  
 11. 

 (iii) Calculation of Appreciation. The appreciation distribution payable on the exercise
of a Stock Appreciation Right will be not greater than an amount equal to the excess of (A) the aggregate Fair Market Value (on the date of the exercise of the Stock Appreciation Right) of a number of shares of Common Stock equal to the number
of share of Common Stock equivalents in which the Participant is vested under such Stock Appreciation Right, and with respect to which the Participant is exercising the Stock Appreciation Right on such date, over (B) the strike price that will
be determined by the Board on the date of grant. 
 (iv) Vesting. At the time of the grant of a Stock Appreciation Right, the Board
may impose such restrictions or conditions to the vesting of such Stock Appreciation Right as it, in its sole discretion, deems appropriate. 

(v) Exercise. To exercise any outstanding Stock Appreciation Right, the Participant must provide written notice of exercise to the
Company in compliance with the provisions of the Stock Appreciation Right Agreement evidencing such Stock Appreciation Right. 
 (vi)
Payment. The appreciation distribution in respect to a Stock Appreciation Right may be paid in Common Stock, in cash, in any combination of the two or in any other form of consideration, as determined by the Board and contained in the Stock
Appreciation Right Agreement evidencing such Stock Appreciation Right. 
 (vii) Termination of Continuous Service. In the event that
a Participant’s Continuous Service terminates (other than for Cause), the Participant may exercise his or her Stock Appreciation Right (to the extent that the Participant was entitled to exercise such Stock Appreciation Right as of the date of
termination) but only within such period of time ending on the earlier of (A) the date three (3) months following the termination of the Participant’s Continuous Service (or such longer or shorter period specified in the Stock
Appreciation Right Agreement, which period shall not be less than thirty (30) days unless such termination is for Cause), or (B) the expiration of the term of the Stock Appreciation Right as set forth in the Stock Appreciation Right
Agreement. If, after termination of Continuous Service, the Participant does not exercise his or her Stock Appreciation Right within the time specified herein or in the Stock Appreciation Right Agreement (as applicable), the Stock Appreciation Right
shall terminate. 
 (viii) Termination for Cause. Except as explicitly provided otherwise in an Participant’s Stock Appreciation
Right Agreement, in the event that a Participant’s Continuous Service is terminated for Cause, the Stock Appreciation Right shall terminate upon the termination date of such Participant’s Continuous Service, and the Participant shall be
prohibited from exercising his or her Stock Appreciation Right from and after the time of such termination of Continuous Service. 
 (ix)
Compliance with Section 409A of the Code. Notwithstanding anything to the contrary set forth herein, any Stock Appreciation Rights granted under the Plan that are not exempt from the requirements of Section 409A of the Code shall
contain such provisions so that such Stock Appreciation Rights will comply with the requirements of Section 409A of the Code. Such restrictions, if any, shall be determined by the Board and contained in the Stock Appreciation Right Agreement
evidencing such Stock Appreciation Right. For example, such 

  
 12. 

 
restrictions may include, without limitation, a requirement that a Stock Appreciation Right that is to be paid wholly or partly in cash must be exercised and paid in accordance with a fixed
pre-determined schedule. 
 7. COVENANTS OF THE COMPANY. 

(a) Availability of Shares. During the terms of the Stock Awards, the Company shall keep available at all times the number of shares of
Common Stock reasonably required to satisfy such Stock Awards. 
 (b) Securities Law Compliance. The Company shall seek to obtain
from each regulatory commission or agency having jurisdiction over the Plan such authority as may be required to grant Stock Awards and to issue and sell shares of Common Stock upon exercise of the Stock Awards; provided, however, that this
undertaking shall not require the Company to register under the Securities Act the Plan, any Stock Award or any Common Stock issued or issuable pursuant to any such Stock Award. If, after reasonable efforts, the Company is unable to obtain from any
such regulatory commission or agency the authority that counsel for the Company deems necessary for the lawful issuance and sale of Common Stock under the Plan, the Company shall be relieved from any liability for failure to issue and sell Common
Stock upon exercise of such Stock Awards unless and until such authority is obtained. 
 (c) No Obligation to Notify. The Company
shall have no duty or obligation to any holder of a Stock Award to advise such holder as to the time or manner of exercising such Stock Award. Furthermore, the Company shall have no duty or obligation to warn or otherwise advise such holder of a
pending termination or expiration of a Stock Award or a possible period in which the Stock Award may not be exercised. The Company has no duty or obligation to minimize the tax consequences of a Stock Award to the holder of such Stock Award. 

8. MISCELLANEOUS. 
 (a)
Use of Proceeds from Sales of Common Stock. Proceeds from the sale of shares of Common Stock pursuant to Stock Awards shall constitute general funds of the Company. 

(b) Corporate Action Constituting Grant of Stock Awards. Corporate action constituting a grant by the Company of a Stock Award to any
Participant shall be deemed completed as of the date of such corporate action, unless otherwise determined by the Board, regardless of when the instrument, certificate, or letter evidencing the Stock Award is communicated to, or actually received or
accepted by, the Participant. 
 (c) Stockholder Rights. No Participant shall be deemed to be the holder of, or to have any of the
rights of a holder with respect to, any shares of Common Stock subject to such Stock Award unless and until such Participant has satisfied all requirements for exercise of the Stock Award pursuant to its terms and the Participant shall not be deemed
to be a stockholder of record until the issuance of the Common Stock pursuant to such exercise has been entered into the books and records of the Company. 

  
 13. 

 (d) No Employment or Other Service Rights. Nothing in the Plan, any Stock Award Agreement
or any other instrument executed thereunder or in connection with any Stock Award granted pursuant thereto shall confer upon any Participant any right to continue to serve the Company or an Affiliate in the capacity in effect at the time the Stock
Award was granted or shall affect the right of the Company or an Affiliate to terminate (i) the employment of an Employee with or without notice and with or without cause, (ii) the service of a Consultant pursuant to the terms of such
Consultant’s agreement with the Company or an Affiliate, or (iii) the service of a Director pursuant to the Bylaws of the Company or an Affiliate, and any applicable provisions of the corporate law of the state in which the Company or the
Affiliate is incorporated, as the case may be. 
 (e) Incentive Stock Option $100,000 Limitation. To the extent that the aggregate
Fair Market Value (determined at the time of grant) of Common Stock with respect to which Incentive Stock Options are exercisable for the first time by any Optionholder during any calendar year (under all plans of the Company and any Affiliates)
exceeds one hundred thousand dollars ($100,000), the Options or portions thereof that exceed such limit (according to the order in which they were granted) shall be treated as Nonstatutory Stock Options, notwithstanding any contrary provision of the
applicable Option Agreement(s). 
 (f) Investment Assurances. The Company may require a Participant, as a condition of exercising or
acquiring Common Stock under any Stock Award, (i) to give written assurances satisfactory to the Company as to the Participant’s knowledge and experience in financial and business matters and/or to employ a purchaser representative
reasonably satisfactory to the Company who is knowledgeable and experienced in financial and business matters and that he or she is capable of evaluating, alone or together with the purchaser representative, the merits and risks of exercising the
Stock Award; and (ii) to give written assurances satisfactory to the Company stating that the Participant is acquiring Common Stock subject to the Stock Award for the Participant’s own account and not with any present intention of selling
or otherwise distributing the Common Stock. The foregoing requirements, and any assurances given pursuant to such requirements, shall be inoperative if (x) the issuance of the shares upon the exercise or acquisition of Common Stock under the
Stock Award has been registered under a then currently effective registration statement under the Securities Act, or (y) as to any particular requirement, a determination is made by counsel for the Company that such requirement need not be met
in the circumstances under the then applicable securities laws. The Company may, upon advice of counsel to the Company, place legends on stock certificates issued under the Plan as such counsel deems necessary or appropriate in order to comply with
applicable securities laws, including, but not limited to, legends restricting the transfer of the Common Stock. 
 (g) Withholding
Obligations. To the extent provided by the terms of a Stock Award Agreement, the Company may, in its sole discretion, satisfy any federal, state or local tax withholding obligation relating to a Stock Award by any of the following means (in
addition to the Company’s right to withhold from any compensation paid to the Participant by the Company) or by a combination of such means: (i) causing the Participant to tender a cash payment; (ii) withholding shares of Common Stock
from the shares of Common Stock issued or otherwise issuable to the Participant in connection with the Stock Award; provided, however, that no shares of Common Stock are withheld with a value exceeding the minimum amount of tax required to be
withheld by law (or such lower amount as may be necessary to avoid classification of the 

  
 14. 

 
Stock Award as a liability for financial accounting purposes); (iii) withholding payment from any amounts otherwise payable to the Participant; (iv) withholding cash from a Stock Award
settled in cash; or (v) by such other method as may be set forth in the Stock Award Agreement. 
 (h) Electronic Delivery. Any
reference herein to a “written” agreement or document shall include any agreement or document delivered electronically or posted on the Company’s intranet. 

(i) Deferrals. To the extent permitted by applicable law, the Board, in its sole discretion, may determine that the delivery of Common
Stock or the payment of cash, upon the exercise, vesting or settlement of all or a portion of any Stock Award may be deferred and may establish programs and procedures for deferral elections to be made by Participants. Deferrals by Participants will
be made in accordance with Section 409A of the Code. Consistent with Section 409A of the Code, the Board may provide for distributions while a Participant is still an employee. The Board is authorized to make deferrals of Stock Awards and
determine when, and in what annual percentages, Participants may receive payments, including lump sum payments, following the Participant’s termination of employment or retirement, and implement such other terms and conditions consistent with
the provisions of the Plan and in accordance with applicable law. 
 (j) Compliance with Section 409A. To the extent that the
Board determines that any Stock Award granted hereunder is subject to Section 409A of the Code, the Stock Award Agreement evidencing such Stock Award shall incorporate the terms and conditions necessary to avoid the consequences specified in
Section 409A(a)(1) of the Code. To the extent applicable, the Plan and Stock Award Agreements shall be interpreted in accordance with Section 409A of the Code and Department of Treasury regulations and other interpretive guidance issued
thereunder, including without limitation any such regulations or other guidance that may be issued or amended after the Effective Date. Notwithstanding any provision of the Plan to the contrary, in the event that following the Effective Date the
Board determines that any Stock Award may be subject to Section 409A of the Code and related Department of Treasury guidance (including such Department of Treasury guidance as may be issued after the Effective Date), the Board may adopt such
amendments to the Plan and the applicable Stock Award Agreement or adopt other policies and procedures (including amendments, policies and procedures with retroactive effect), or take any other actions, that the Board determines are necessary or
appropriate to (1) exempt the Stock Award from Section 409A of the Code and/or preserve the intended tax treatment of the benefits provided with respect to the Stock Award, or (2) comply with the requirements of Section 409A of
the Code and related Department of Treasury guidance. 
 (k) Information Obligation. To the extent required by
Section 260.140.46 of Title 10 of the California Code of Regulations, the Company shall deliver financial statements to Participants at least annually. This Section 8(k) shall not apply to key Employees whose duties in connection with the
Company assure them access to equivalent information. 
 (l) Repurchase Limitation. The terms of any repurchase option shall be
specified in the Stock Award, and the repurchase price may be either the Fair Market Value of the shares of Common Stock on the date of termination of Continuous Service or the lower of (i) the Fair

  
 15. 

 
Market Value of the shares of Common Stock on the date of repurchase or (ii) their original purchase price. To the extent required by Section 260.140.41 and Section 260.140.42 of
Title 10 of the California Code of Regulations at the time a Stock Award is made, any repurchase option contained in a Stock Award granted to a person who is not an Officer, Director or Consultant shall be upon the terms described below: 

(i) Fair Market Value. If the repurchase option gives the Company the right to repurchase the shares of Common Stock upon termination
of Continuous Service at not less than the Fair Market Value of the shares of Common Stock to be purchased on the date of termination of Continuous Service, then (i) the right to repurchase shall be exercised for cash or cancellation of
purchase money indebtedness for the shares of Common Stock within ninety (90) days of termination of Continuous Service (or in the case of shares of Common Stock issued upon exercise of Stock Awards after such date of termination, within ninety
(90) days after the date of the exercise) or such longer period as may be agreed to by the Company and the Participant (for example, for purposes of satisfying the requirements of Section 1202(c)(3) of the Code regarding “qualified
small business stock”) and (ii) the right terminates when the shares of Common Stock become publicly traded. 
 (ii) Original
Purchase Price. If the repurchase option gives the Company the right to repurchase the shares of Common Stock upon termination of Continuous Service at the lower of (i) the Fair Market Value of the shares of Common Stock on the date of
repurchase or (ii) their original purchase price, then (x) the right to repurchase at the original purchase price shall lapse at the rate of at least twenty percent (20%) of the shares of Common Stock per year over five (5) years
from the date the Stock Award is granted (without respect to the date the Stock Award was exercised or became exercisable) and (y) the right to repurchase shall be exercised for cash or cancellation of purchase money indebtedness for the shares
of Common Stock within ninety (90) days of termination of Continuous Service (or in the case of shares of Common Stock issued upon exercise of Options after such date of termination, within ninety (90) days after the date of the exercise)
or such longer period as may be agreed to by the Company and the Participant (for example, for purposes of satisfying the requirements of Section 1202(c)(3) of the Code regarding “qualified small business stock”). 

9. ADJUSTMENTS UPON CHANGES IN COMMON STOCK; OTHER
CORPORATE EVENTS. 
 (a) Capitalization Adjustments. In the event of a Capitalization Adjustment,
the Board shall appropriately adjust: (i) the class(es) and maximum number of securities subject to the Plan pursuant to Section 3(a), (ii) the class(es) and maximum number of securities that may be issued pursuant to the exercise of
Incentive Stock Options pursuant to Section 3(c), and (iii) the class(es) and number of securities and price per share of stock subject to outstanding Stock Awards. The Board shall make such adjustments, and its determination shall be
final, binding and conclusive. 
 (b) Dissolution or Liquidation. Except as otherwise provided in the Stock Award Agreement, in the
event of a dissolution or liquidation of the Company, all outstanding Stock Awards (other than Stock Awards consisting of vested and outstanding shares of Common Stock not subject to the Company’s right of repurchase) shall terminate
immediately prior to the completion of such dissolution or liquidation, and the shares of Common Stock subject to the 

  
 16. 

 
Company’s repurchase option may be repurchased by the Company notwithstanding the fact that the holder of such Stock Award is providing Continuous Service, provided,
however, that the Board may, in its sole discretion, cause some or all Stock Awards to become fully vested, exercisable and/or no longer subject to repurchase or forfeiture (to the extent such Stock Awards have not previously expired
or terminated) before the dissolution or liquidation is completed but contingent on its completion. 
 (c) Corporate Transaction. The
following provisions shall apply to Stock Awards in the event of a Corporate Transaction unless otherwise provided in the instrument evidencing the Stock Award or any other written agreement between the Company or any Affiliate and the holder of the
Stock Award or unless otherwise expressly provided by the Board at the time of grant of a Stock Award. 
 (i) Stock Awards May Be
Assumed. Except as otherwise stated in the Stock Award Agreement, in the event of a Corporate Transaction, any surviving corporation or acquiring corporation (or the surviving or acquiring corporation’s parent company) may assume or
continue any or all Stock Awards outstanding under the Plan or may substitute similar stock awards for Stock Awards outstanding under the Plan (including but not limited to, awards to acquire the same consideration paid to the stockholders of the
Company pursuant to the Corporate Transaction), and any reacquisition or repurchase rights held by the Company in respect of Common Stock issued pursuant to Stock Awards may be assigned by the Company to the successor of the Company (or the
successor’s parent company, if any), in connection with such Corporate Transaction. A surviving corporation or acquiring corporation (or its parent) may choose to assume or continue only a portion of a Stock Award or substitute a similar stock
award for only a portion of a Stock Award. The terms of any assumption, continuation or substitution shall be set by the Board in accordance with the provisions of Section 2. 

(ii) Stock Awards Held by Current Participants. Except as otherwise stated in the Stock Award Agreement, in the event of a Corporate
Transaction in which the surviving corporation or acquiring corporation (or its parent company) does not assume or continue such outstanding Stock Awards or substitute similar stock awards for such outstanding Stock Awards, then with respect to
Stock Awards that have not been assumed, continued or substituted and that are held by Participants whose Continuous Service has not terminated prior to the effective time of the Corporate Transaction (referred to as the “Current
Participants”), the vesting of such Stock Awards (and, if applicable, the time at which such Stock Awards may be exercised) shall (contingent upon the effectiveness of the Corporate Transaction) be accelerated in full to a date prior to
the effective time of such Corporate Transaction as the Board shall determine (or, if the Board shall not determine such a date, to the date that is five (5) days prior to the effective time of the Corporate Transaction), and such Stock Awards
shall terminate if not exercised (if applicable) at or prior to the effective time of the Corporate Transaction, and any reacquisition or repurchase rights held by the Company with respect to such Stock Awards shall lapse (contingent upon the
effectiveness of the Corporate Transaction). 
 (iii) Stock Awards Held by Persons other than Current Participants. Except as
otherwise stated in the Stock Award Agreement, in the event of a Corporate Transaction in which the surviving corporation or acquiring corporation (or its parent company) does not assume or continue such outstanding Stock Awards or substitute
similar stock awards 

  
 17. 

 
for such outstanding Stock Awards, then with respect to Stock Awards that have not been assumed, continued or substituted and that are held by persons other than Current Participants, the vesting
of such Stock Awards (and, if applicable, the time at which such Stock Award may be exercised) shall not be accelerated and such Stock Awards (other than a Stock Award consisting of vested and outstanding shares of Common Stock not subject to the
Company’s right of repurchase) shall terminate if not exercised (if applicable) prior to the effective time of the Corporate Transaction; provided, however, that any reacquisition or repurchase rights held by the
Company with respect to such Stock Awards shall not terminate and may continue to be exercised notwithstanding the Corporate Transaction. 

(iv) Payment for Stock Awards in Lieu of Exercise. Notwithstanding the foregoing, in the event a Stock Award will terminate if not
exercised prior to the effective time of a Corporate Transaction, the Board may provide, in its sole discretion, that the holder of such Stock Award may not exercise such Stock Award but will receive a payment, in such form as may be determined by
the Board, equal in value to the excess, if any, of (A) the value of the property the holder of the Stock Award would have received upon the exercise of the Stock Award, over (B) any exercise price payable by such holder in connection with
such exercise. 
 (d) Change in Control. A Stock Award may be subject to additional acceleration of vesting and exercisability upon
or after a Change in Control as may be provided in the Stock Award Agreement for such Stock Award or as may be provided in any other written agreement between the Company or any Affiliate and the Participant, but in the absence of such provision, no
such acceleration shall occur. 
 10. TERMINATION OR SUSPENSION OF THE
PLAN. 
 (a) Plan Term. The Board may suspend or terminate the Plan at any time. Unless sooner terminated by the
Board pursuant to Section 2, the Plan shall automatically terminate on the day before the tenth (10th) anniversary of the earlier of (i) the date the Plan is adopted by the Board, or (ii) the date the Plan is approved by the
stockholders of the Company. No Stock Awards may be granted under the Plan while the Plan is suspended or after it is terminated. 
 (b)
No Impairment of Rights. Suspension or termination of the Plan shall not impair rights and obligations under any Stock Award granted while the Plan is in effect except with the written consent of the affected Participant. 

11. EFFECTIVE DATE OF PLAN. 

This Plan shall become effective on the Effective Date. 

12. CHOICE OF LAW. 

The law of the State of California shall govern all questions concerning the construction, validity and interpretation of this Plan, without
regard to that state’s conflict of laws rules. 

  
 18. 

 13. DEFINITIONS. As used in the Plan, the following definitions shall apply to the
capitalized terms indicated below: 
 (a) “Affiliate” means, at the time of determination, any
“parent” or “subsidiary” of the Company, as such terms are defined in Rule 405 of the Securities Act. The Board shall have the authority to determine the time or times at which “parent” or “subsidiary” status
is determined within the foregoing definition. 
 (b) “Board” means the Board of Directors of the Company.

 (c) “Capitalization Adjustment” means any change that is made in, or other
events that occur with respect to, the Common Stock subject to the Plan or subject to any Stock Award after the Effective Date without the receipt of consideration by the Company (through merger, consolidation, reorganization, recapitalization,
reincorporation, stock dividend, dividend in property other than cash, stock split, liquidating dividend, combination of shares, exchange of shares, change in corporate structure or other transaction not involving the receipt of consideration by the
Company). Notwithstanding the foregoing, the conversion of any convertible securities of the Company shall not be treated as a transaction “without the receipt of consideration” by the Company. 

(d) “Cause” means with respect to a Participant, the occurrence of any of the following events: (i) such
Participant’s commission of any felony or any crime involving fraud, dishonesty or moral turpitude under the laws of the United States or any state thereof; (ii) such Participant’s attempted commission of, or participation in, a fraud
or act of dishonesty against the Company; (iii) such Participant’s intentional, material violation of any contract or agreement between the Participant and the Company or of any statutory duty owed to the Company; (iv) such
Participant’s unauthorized use or disclosure of the Company’s confidential information or trade secrets; or (v) such Participant’s gross misconduct. The determination that a termination of the Participant’s Continuous
Service is either for Cause or without Cause shall be made by the Company in its sole discretion. Any determination by the Company that the Continuous Service of a Participant was terminated by reason of dismissal without Cause for the purposes of
outstanding Stock Awards held by such Participant shall have no effect upon any determination of the rights or obligations of the Company or such Participant for any other purpose. 

(e) “Change in Control” means the occurrence, in a single transaction or in a series of related transactions,
of any one or more of the following events: 
 (i) any Exchange Act Person becomes the Owner, directly or indirectly, of securities
of the Company representing more than fifty percent (50%) of the combined voting power of the Company’s then outstanding securities other than by virtue of a merger, consolidation or similar transaction. Notwithstanding the foregoing, a
Change in Control shall not be deemed to occur (A) on account of the acquisition of securities of the Company by an investor, any affiliate thereof or any other Exchange Act Person that acquires the Company’s securities in a transaction or
series of related transactions the primary purpose of which is to obtain financing for the Company through the issuance of equity securities or (B) solely because the level of Ownership held by any Exchange Act Person (the “Subject
Person”) exceeds the designated percentage threshold of the outstanding voting securities as a result of a repurchase or other acquisition of voting securities by the Company reducing the number of shares outstanding, provided that if a
Change in Control would occur (but for the operation of this sentence) as a result of the acquisition of voting securities by the Company, and after such share acquisition, 

  
 19. 

 
the Subject Person becomes the Owner of any additional voting securities that, assuming the repurchase or other acquisition had not occurred, increases the percentage of the then outstanding
voting securities Owned by the Subject Person over the designated percentage threshold, then a Change in Control shall be deemed to occur; 

(ii) there is consummated a merger, consolidation or similar transaction involving (directly or indirectly) the Company and,
immediately after the consummation of such merger, consolidation or similar transaction, the stockholders of the Company immediately prior thereto do not Own, directly or indirectly, either (A) outstanding voting securities representing more
than fifty percent (50%) of the combined outstanding voting power of the surviving Entity in such merger, consolidation or similar transaction or (B) more than fifty percent (50%) of the combined outstanding voting power of the parent
of the surviving Entity in such merger, consolidation or similar transaction, in each case in substantially the same proportions as their Ownership of the outstanding voting securities of the Company immediately prior to such transaction; 

(iii) the stockholders of the Company approve or the Board approves a plan of complete dissolution or liquidation of the Company, or a
complete dissolution or liquidation of the Company shall otherwise occur, except for a liquidation into a parent corporation; 
 (iv)
there is consummated a sale, lease, exclusive license or other disposition of all or substantially all of the consolidated assets of the Company and its Subsidiaries, other than a sale, lease, license or other disposition of all or substantially
all of the consolidated assets of the Company and its Subsidiaries to an Entity, more than fifty percent (50%) of the combined voting power of the voting securities of which are Owned by stockholders of the Company in substantially the same
proportions as their Ownership of the outstanding voting securities of the Company immediately prior to such sale, lease, license or other disposition; or 

(v) individuals who, on the date this Plan is adopted by the Board, are members of the Board (the “Incumbent Board”) cease
for any reason to constitute at least a majority of the members of the Board; provided, however, that if the appointment or election (or nomination for election) of any new Board member was approved or recommended by a
majority vote of the members of the Incumbent Board then still in office, such new member shall, for purposes of this Plan, be considered as a member of the Incumbent Board. 

For the avoidance of doubt, The term Change in Control shall not include a sale of assets, merger or other transaction effected exclusively
for the purpose of changing the domicile of the Company. 
 Notwithstanding the foregoing or any other provision of this Plan, the
definition of Change in Control (or any analogous term) in an individual written agreement between the Company or any Affiliate and the Participant shall supersede the foregoing definition with respect to Stock Awards subject to such agreement;
provided, however, that if no definition of Change in Control or any analogous term is set forth in such an individual written agreement, the foregoing definition shall apply. 

(f) “Code” means the Internal Revenue Code of 1986, as amended. 

  
 20. 

 (g) “Committee” means a committee of one (1) or more
Directors to whom authority has been delegated by the Board in accordance with Section 2(c). 
 (h) “Common
Stock” means the common stock of the Company. 
 (i) “Company” means Avalanche Biotechnologies,
Inc., a Delaware corporation. 
 (j) “Consultant” means any person, including an advisor, who is
(i) engaged by the Company or an Affiliate to render consulting or advisory services and is compensated for such services, or (ii) serving as a member of the board of directors of an Affiliate and is compensated for such services. However,
service solely as a Director, or payment of a fee for such service, shall not cause a Director to be considered a “Consultant” for purposes of the Plan.  

(k) “Continuous Service” means that the Participant’s service with the Company or an Affiliate, whether as
an Employee, Director or Consultant, is not interrupted or terminated. A change in the capacity in which the Participant renders service to the Company or an Affiliate as an Employee, Consultant or Director or a change in the Entity for which the
Participant renders such service, provided that there is no interruption or termination of the Participant’s service with the Company or an Affiliate, shall not terminate a Participant’s Continuous Service; provided, however, if the
Entity for which a Participant is rendering service ceases to qualify as an Affiliate, as determined by the Board in its sole discretion, such Participant’s Continuous Service shall be considered to have terminated on the date such Entity
ceases to qualify as an Affiliate. For example, a change in status from an employee of the Company to a consultant of an Affiliate or to a Director shall not constitute an interruption of Continuous Service. To the extent permitted by law, the Board
or the chief executive officer of the Company, in that party’s sole discretion, may determine whether Continuous Service shall be considered interrupted in the case of any leave of absence approved by that party, including sick leave, military
leave or any other personal leave. Notwithstanding the foregoing, a leave of absence shall be treated as Continuous Service for purposes of vesting in a Stock Award only to such extent as may be provided in the Company’s leave of absence
policy, in the written terms of any leave of absence agreement or policy applicable to the Participant, or as otherwise required by law. 

(l) “Corporate Transaction” means the occurrence, in a single transaction or in a series of related
transactions, of any one or more of the following events: 
 (i) the consummation of a sale or other disposition of all or
substantially all, as determined by the Board in its sole discretion, of the consolidated assets of the Company and its Subsidiaries; 

(ii) the consummation of a sale or other disposition of at least ninety percent (90%) of the outstanding securities of the
Company; 
 (iii) the consummation of a merger, consolidation or similar transaction following which the Company is not the surviving
corporation; or 
 (iv) the consummation of a merger, consolidation or similar transaction following which the Company is the
surviving corporation but the shares of Common Stock outstanding immediately preceding the merger, consolidation or similar transaction are converted or exchanged by virtue of the merger, consolidation or similar transaction into other property,
whether in the form of securities, cash or otherwise. 

  
 21. 

 (m) “Director” means a member of the Board. 

(n) “Disability” means the inability of a Participant to engage in any substantially gainful activity by reason
of any medically determinable physical or mental impairment which can be expected to result in death or which has lasted or can be expected to last for a continuous period of not less than twelve (12) months, and shall be determined by the
Board on the basis of such medical evidence as the Board deems warranted under the circumstances. 
 (o) “Effective
Date” means the effective date of this Plan, which is the earlier of (i) the date that this Plan is first approved by the Company’s stockholders, or (ii) the date this Plan is adopted by the Board. 

(p) “Employee” means any person employed by the Company or an Affiliate. However, service solely as a Director,
or payment of a fee for such services, shall not cause a Director to be considered an “Employee” for purposes of the Plan. 

(q) “Entity” means a corporation, partnership, limited liability company or other entity. 

(r) “Exchange Act” means the Securities Exchange Act of 1934, as amended. 

(s) “Exchange Act Person” means any natural person, Entity or “group” (within the meaning of
Section 13(d) or 14(d) of the Exchange Act), except that “Exchange Act Person” shall not include (i) the Company or any Subsidiary of the Company, (ii) any employee benefit plan of the Company or any Subsidiary of the
Company or any trustee or other fiduciary holding securities under an employee benefit plan of the Company or any Subsidiary of the Company, (iii) an underwriter temporarily holding securities pursuant to an offering of such securities,
(iv) an Entity Owned, directly or indirectly, by the stockholders of the Company in substantially the same proportions as their Ownership of stock of the Company; or (v) any natural person, Entity or “group” (within the meaning
of Section 13(d) or 14(d) of the Exchange Act) that, as of the Effective Date of the Plan as set forth in Section 11, is the Owner, directly or indirectly, of securities of the Company representing more than fifty percent (50%) of the
combined voting power of the Company’s then outstanding securities. 
 (t) “Fair Market Value” means, as
of any date, the value of the Common Stock determined by the Board (i) in a manner consistent with Section 260.140.50 of Title 10 of the California Code of Regulations and (ii) in compliance with Section 409A of the Code or, in
the case of an Incentive Stock Option, in compliance with Section 422 of the Code. 
 (u) “Incentive Stock
Option” means an Option that qualifies as an “incentive stock option” within the meaning of Section 422 of the Code and the regulations promulgated thereunder. 

(v) “Nonstatutory Stock Option” means an Option that does not qualify as an Incentive Stock Option. 

  
 22. 

 (w) “Officer” means any person designated by the Company as an
officer. 
 (x) “Option” means an Incentive Stock Option or a Nonstatutory Stock Option to purchase shares of
Common Stock granted pursuant to the Plan. 
 (y) “Option Agreement” means a written agreement between the
Company and an Optionholder evidencing the terms and conditions of an Option grant. Each Option Agreement shall be subject to the terms and conditions of the Plan. 

(z) “Optionholder” means a person to whom an Option is granted pursuant to the Plan or, if applicable, such
other person who holds an outstanding Option. 
 (aa) “Own,” “Owned,”
“Owner,” “Ownership” A person or Entity shall be deemed to “Own,” to have “Owned,” to be the “Owner” of, or to have acquired “Ownership” of securities if such
person or Entity, directly or indirectly, through any contract, arrangement, understanding, relationship or otherwise, has or shares voting power, which includes the power to vote or to direct the voting, with respect to such securities. 

(bb) “Participant” means a person to whom a Stock Award is granted pursuant to the Plan or, if applicable, such
other person who holds an outstanding Stock Award. 
 (cc) “Plan” means this Avalanche Biotechnologies, Inc.
2006 Equity Incentive Plan. 
 (dd) “Restricted Stock Award” means an award of shares of Common Stock which
is granted pursuant to the terms and conditions of Section 6(a). 
 (ee) “Restricted Stock Award
Agreement” means a written agreement between the Company and a holder of a Restricted Stock Award evidencing the terms and conditions of a Restricted Stock Award. Each Restricted Stock Award Agreement shall be subject to the terms and
conditions of the Plan. 
 (ff) “Restricted Stock Unit Award” means a right to receive shares of Common Stock
which is granted pursuant to the terms and conditions of Section 6(b). 
 (gg) “Restricted Stock Unit Award
Agreement” means a written agreement between the Company and a holder of a Restricted Stock Unit Award evidencing the terms and conditions of a Restricted Stock Unit Award grant. Each Restricted Stock Unit Award Agreement shall be
subject to the terms and conditions of the Plan. 
 (hh) “Securities Act” means the Securities Act of 1933,
as amended. 
 (ii) “Stock Appreciation Right” means a right to receive the appreciation on Common Stock that
is granted pursuant to the terms and conditions of Section 6(c). 
 (jj) “Stock Appreciation Right Agreement”
means a written agreement between the Company and a holder of a Stock Appreciation Right evidencing the terms and conditions of a Stock Appreciation Right grant. Each Stock Appreciation Right Agreement shall be subject to the terms and conditions of
the Plan. 

  
 23. 

 (kk) “Stock Award” means any right to receive Common Stock granted
under the Plan, including an Incentive Stock Option, a Nonstatutory Stock Option, a Restricted Stock Award, a Restricted Stock Unit Award, or a Stock Appreciation Right. 

(ll) “Stock Award Agreement” means a written agreement between the Company and a Participant evidencing the
terms and conditions of a Stock Award grant. Each Stock Award Agreement shall be subject to the terms and conditions of the Plan. 
 (mm)
“Subsidiary” means, with respect to the Company, (i) any corporation of which more than fifty percent (50%) of the outstanding capital stock having ordinary voting power to elect a majority of the board of
directors of such corporation (irrespective of whether, at the time, stock of any other class or classes of such corporation shall have or might have voting power by reason of the happening of any contingency) is at the time, directly or indirectly,
Owned by the Company, and (ii) any partnership, limited liability company or other entity in which the Company has a direct or indirect interest (whether in the form of voting or participation in profits or capital contribution) of more than
fifty percent (50%) . 
 (nn) “Ten Percent Stockholder” means a person who Owns (or is deemed to Own
pursuant to Section 424(d) of the Code) stock possessing more than ten percent (10%) of the total combined voting power of all classes of stock of the Company or any Affiliate. 

  
 24. 

 AMENDMENT TO THE 

AVALANCHE BIOTECHNOLOGIES, INC. 

2006 EQUITY INCENTIVE PLAN 

Effective April 15, 2014 

This Amendment to the Avalanche Biotechnologies, Inc. 2006 Equity Incentive Plan, (the “Plan”) is effective as of the
date first set forth above, such amendment having been approved by the Board of Avalanche Biotechnologies, Inc., a Delaware corporation (the “Company”), on April 15, 2014, and approved by the holders of a majority of the
Company’s outstanding shares of voting capital stock on April 15, 2014, in each case in accordance with Section 2(b)(vi) of the Plan. Capitalized but undefined terms shall have the meanings provided in the Plan. 

As of result of the foregoing approvals, the Plan is hereby amended as follows: 

1. Section 3 of the Plan is hereby amended and restated in its entirety to read as follows: 

“3. SHARES SUBJECT TO THE PLAN. 

(a) Subject to Section 9(a) relating to Capitalization Adjustments, the aggregate number of shares of Common Stock of the Company
that may be issued pursuant to Stock Awards after the Effective Date shall not exceed Five Million Four Hundred Fifty-Five Thousand Eight Hundred Seventy-Five (5,455,875) shares. For clarity, the limitation in this Section 3(a) is a
limitation in the number of shares of Common Stock that may be issued pursuant to the Plan. Accordingly, this Section 3(a) does not limit the granting of Stock Awards except as provided in Section 7(a). Furthermore, if a Stock Award
(i) expires or otherwise terminates without having been exercised in full or (ii) is settled in cash (i.e., the holder of the Stock Award receives cash rather than stock), such expiration, termination or settlement shall not reduce
(or otherwise offset) the number of shares of Common Stock that may be issued pursuant to the Plan. 
 (b) If any shares of Common
Stock issued pursuant to a Stock Award are forfeited back to the Company because of the failure to meet a contingency or condition required to vest such shares in the Participant, then the shares which are forfeited shall revert to and again become
available for issuance under the Plan. Also, any shares reacquired by the Company pursuant to Section 8(g) or as consideration for the exercise of an Option shall again become available for issuance under the Plan. Notwithstanding the
provisions of this Section 3(b), any such shares shall not be subsequently issued pursuant to the exercise of Incentive Stock Options. 

(c) Incentive Stock Option Limit. Notwithstanding anything to the contrary in this Section 3(c), subject to the provisions of
Section 9(a) relating to Capitalization Adjustments, the aggregate maximum number of shares of Common Stock that may be issued pursuant to the exercise of Incentive Stock Options shall be Five Million Four Hundred Fifty-Five Thousand Eight
Hundred Seventy-Five (5,455,875) shares of Common Stock. 

 (d) Source of Shares. The stock issuable under the Plan shall be shares of authorized but
unissued or reacquired Common Stock, including shares repurchased by the Company on the open market. 
 (e) Share Reserve Limitation.
To the extent required by Section 260.140.45 of Title 10 of the California Code of Regulations, the total number of shares of Common Stock issuable upon exercise of all outstanding Options and the total number of shares of Common Stock provided
for under any stock bonus or similar plan of the Company shall not exceed the applicable percentage as calculated in accordance with the conditions and exclusions of Section 260.140.45 of Title 10 of the California Code of Regulations, based on
the shares of Common Stock of the Company that are outstanding at the time the calculation is made.” 
 [Signature Page Follows] 

  
 2 

 The undersigned, being the duly elected and acting Secretary of the Company, hereby certifies
that the foregoing amendments were duly approved and adopted by the Board of Directors and the Stockholders of the Company effective as of the date first referenced above. 

 

			
	By:	 	 /s/ Thomas W. Chalberg, Jr.

		 	Thomas W. Chalberg, Jr.
		 	Secretary

 [Signature Page to Amendment to 2006 Equity Incentive Plan]EX-10.7

 Exhibit 10.7 

September 18, 2010 
 Thomas W. Chalberg 

[Address] 
 [Address] 

Re: Employment Terms For CEO Position 
 Dear Tom: 

This letter agreement (the “Agreement”) memorializes the employment terms for your anticipated hire by Avalanche Biotechnologies, Inc.
(the “Company”) in the position of Chief Executive Officer (“CEO”). Of course, these terms will become effective only if you begin as the full-time CEO of the Company, no later than October 1,
2010, or at such later date as approved by the Board of Directors of the Company (as applicable, the “Hire Date”). Prior to the Hire Date, you will be retained by the Company on an independent contractor basis under the terms
of the separate Consulting Agreement between you and the Company, which will automatically expire no later than the Hire Date. 
 Effective as of the Hire
Date, your employment terms as full-time CEO will be as follows: 
  

	1.	Duties; Reporting Relationship; Office Location. 

 In the position of CEO, you will serve in an executive
capacity and will be required to perform the duties of CEO as commonly associated with this position, including primary responsibility for overall management of and responsibility for the Company and its operations, and as also may be assigned to
you by the Company’s Board of Directors (the “Board”) from time to time. You will report to the Board, and will work at the Company’s corporate headquarters which are currently located in Redwood City. 

Following the Hire Date, you continue to serve as a director of the Company on the Board. If your employment with the Company terminates, you agree to
promptly tender your resignation from the Board, if requested to do so by a majority of the Board. 
  

	2.	Compensation and Benefits. 

 Your initial base salary will be $250,000 per annum, subject to payroll
deductions and all required withholdings. Your salary will be paid in accordance with the Company’s standard payroll schedule. In addition, you will be eligible to earn an annual performance bonus with a target bonus amount equal to twenty-five
percent (25%) (“Target Percentage”) of your annual base salary in effect during the bonus year, provided that you are actively employed as the CEO from the Hire Date through and including December 31 of that year.

 Thomas W. Chalberg 

August 29, 2010 
  Page
 2
 
  

 Your annual bonus will not be guaranteed, and must be earned based on attainment of milestone objectives
(including corporate and personal objectives) to be determined by the Board each year, and you must remain employed through the entire bonus year to earn a performance bonus. In 2010, any earned bonus would be pro-rated from the start date of
full-time employment. The Board will determine whether you have earned a performance bonus and the amount of any earned performance bonus. Bonus payments will be in the form of cash and incentive stock options. Any cash bonus payments will be less
payroll deductions and all required withholdings. 
 You will be eligible to participate in the Company’s general employee benefits in accordance with
the terms, conditions and limitations of the benefit plans to the extent such plans have been established by the Company. 
 The Board may modify your
compensation and benefits from time to time in its discretion. 
  

	3.	Founder Stock Purchase Agreement. 

 This Agreement does not alter the Founder Stock Purchase Agreement
between you and the Company which will be entered into in connection with the Consulting Agreement. After the Hire Date, the Founder Stock Purchase Agreement will continue in effect in accordance with its terms. 

 

	4.	Confidentiality and Proprietary Information Obligations. 

 (a) Company Policies and
Proprietary Information Agreement. you will be required to sign the Employee Proprietary Information and Inventions Assignment Agreement attached hereto as Exhibit A (the “Proprietary Information Agreement”). 

(b) Adverse or Outside Business Activities. Throughout your employment with the Company, you may engage in civic, academic teaching and
lectures, and not-for-profit activities so long as such activities do not interfere with the performance of your duties hereunder or present a conflict of interest with the Company. You may not engage in other employment or undertake any other
commercial business activities unless you obtain the prior written consent of the Board. The Board may rescind its consent to your service as a director of all other corporations or participation in other business or public activities, if the Board,
in its sole discretion, determines that such activities compromise or threaten to compromise the Company’s reputational or business interests or conflict with your duties to the Company. In addition, throughout the term of your employment with
the Company, you agree not to, directly or indirectly, without the prior written consent of the Board, own, manage, operate, join, control, finance or participate in the ownership, management, operation, control or financing of, or be connected as
an officer, director, executive, partner, employee, principal, agent, representative, consultant, licensor, licensee or otherwise with, any business or enterprise engaged in any business which is competitive with or which is reasonably anticipated
to be competitive with the Company’s business; provided, however, that you may purchase or otherwise acquire up to (but not more than) one percent (1%) of any class of securities of any enterprise (but without participating in the
activities of such enterprise) if such securities are listed on any national or regional securities exchange. You hereby represent and warrant that you have disclosed previously to the Board all other employment or other commercial business
activities that you already undertake, or intend to undertake (to the extent currently known by you), during your period of employment with the Company. 

 Thomas W. Chalberg 

August 29, 2010 
  Page
 3
 
  

	5.	No Conflicts. 

 By signing this Agreement you hereby represent to the Company that, except as previously
disclosed to the Company: (a) your employment with the Company is not prohibited under any employment agreement or other contractual arrangement; and (b) you do not know of any conflicts which would restrict your employment with the
Company. You hereby represent that you have disclosed to the Company any contract you have signed that may restrict your activities on behalf of the Company, and that you are presently in compliance with such contracts, if any. 

 

	6.	At Will Employment. 

 Your employment relationship with the Company will be an “at-will”
arrangement and this Agreement does not constitute a guarantee of employment for any specific period of time. This means that either you or the Company may terminate your employment at any time, with or without cause, and with or without advance
notice. This “at-will” employment relationship cannot be changed except in a written agreement approved by the Board and signed by you and by a duly authorized member of the Board. 

 

	7.	Termination. 

 Should you either be terminated for any reason other than Cause, or resign for Good Cause,
you will receive severance pay six (6) months of salary. Should such termination occur (a) prior to 18 months following the Hire Date and (b) prior to a major liquidity event (“Liquidity Event”), you will
receive additional severance such that the total amount of severance pay is equal to the remaining salary that would have been paid until twenty-four (24) months following the Hire Date. For the purposes of this Agreement, a Liquidity Event
shall mean that fifty percent (50%) or more of your shares of stock are redeemed for cash or cash equivalent. 
 “Cause” shall
mean misconduct, including: (i) conviction of any felony or any crime involving moral turpitude or dishonesty; (ii) willful and material breach of Purchaser’s duties that has not been cured within thirty (30) days after written
notice from the Company’s Board of Directors of such breach; (iii) intentional and material damage to the Company’s property; or (iv) material breach of the Proprietary Information and Inventions Agreement executed by Purchaser.
“Good Cause” shall mean any of the following actions taken without Cause by the Company or a successor corporation or entity without Purchaser’s consent: (i) substantial reduction of Purchaser’s rate of
compensation; (ii) material reduction in Purchaser’s duties, provided, however, that a change in job position (including a change in title) shall not be deemed a “material reduction” unless Purchaser’s new duties are
substantially reduced from the prior duties; (iii) failure or refusal of a successor to the Company to assume the Company’s obligations under this Agreement in the event of a Corporate Transaction as defined below; (iv) relocation of
Purchaser’s principal place of employment to a place greater than 50 miles from Purchaser’s then current principal place of employment. 

 Thomas W. Chalberg 

August 29, 2010 
  Page
 4
 
  

	8.	Miscellaneous. 

 As required by law, your employment is contingent upon satisfactory proof of your
identity and legal authorization to work in the United States. This Agreement, together with your Proprietary Information Agreement, forms the complete and exclusive statement of your employment agreement with the Company. The employment terms in
this Agreement supersede any other agreements or promises made to you by anyone, whether oral or written, concerning your employment terms. Changes in your employment terms, other than those changes expressly reserved to the Company’s or
Board’s discretion in this Agreement, require a written modification approved by the Board and signed by you and a duly authorized member of the Board. This Agreement will bind the heirs, personal representatives, successors and assigns of both
you and the Company, and inure to the benefit of both you and the Company, their heirs, successors and assigns. If any provision of this Agreement is determined to be invalid or unenforceable, in whole or in part, this determination shall not affect
any other provision of this Agreement and the provision in question shall be modified so as to be rendered enforceable in a manner consistent with the intent of the parties insofar as possible under applicable law. This Agreement shall be construed
and enforced in accordance with the laws of the State of California without regard to conflicts of law principles. Any ambiguity in this Agreement shall not be construed against either party as the drafter. Any waiver of a breach of this Agreement,
or rights hereunder, shall be in writing and shall not be deemed to be a waiver of any successive breach or rights hereunder. This Agreement may be executed in counterparts which shall be deemed to be part of one original, and facsimile signatures
shall be equivalent to original signatures. 
 Please sign and date this letter and return it to me by the close of business on September 27, 2010
in order to confirm your anticipated employment terms as set forth above. 
 We look forward to a productive and enjoyable work relationship with you.

 Sincerely, 
 Avalanche Biotechnologies, Inc., on behalf
of its Board of Directors: 
  

	
	 /s/ Mark S. Blumenkranz

	Mark S. Blumenkranz
	
	Understood and Accepted:
	
	 /s/ Thomas W. Chalberg

	Thomas W. Chalberg
	
	Date: September 18, 2010

 Exhibit A: Employee Proprietary Information and Inventions Agreement 

 Thomas W. Chalberg 

August 29, 2010 
  Page
 5
 
  

 EXHIBIT A 

EMPLOYEE PROPRIETARY INFORMATION AND INVENTIONS ASSIGNMENT AGREEMENT 

 EMPLOYEE CONFIDENTIAL INFORMATION AND INVENTIONS ASSIGNMENT AGREEMENT 

In consideration of my employment or continued employment by Avalanche Biotechnologies, Inc. (“Company”), and the
compensation paid to me now and during my employment with the Company, I agree to the terms of this Agreement as follows: 

 

 1. CONFIDENTIAL INFORMATION PROTECTIONS. 

1.1 Nondisclosure; Recognition of Company’s Rights. At all times during and after my employment, I will hold in confidence
and will not disclose, use, lecture upon, or publish any of Company’s Confidential Information (defined below), except as may be required in connection with my work for Company, or as expressly authorized by the Chief Executive Officer (the
“CEO”) of Company. I will obtain the CEO’s written approval before publishing or submitting for publication any material (written, oral, or otherwise) that relates to my work at Company and/or incorporates any Confidential
Information. I hereby assign to Company any rights I may have or acquire in any and all Confidential Information and recognize that all Confidential Information shall be the sole and exclusive property of Company and its assigns. 

1.2 Confidential Information. The term “Confidential Information” shall mean any and all confidential
knowledge, data or information related to Company’s business or its actual or demonstrably anticipated research or development, including without limitation (a) trade secrets, inventions, ideas, processes, computer source and object code,
data, formulae, programs, other works of authorship, know-how, improvements, discoveries, developments, designs, and techniques; (b) information regarding products, services, plans for research and development, marketing and business plans,
budgets, financial statements, contracts, prices, suppliers, and customers; (c) information regarding the skills and compensation of Company’s employees, contractors, and any other service providers of Company; and (d) the existence
of any business discussions, negotiations, or agreements between Company and any third party. 
 1.3 Third Party
Information. I understand that Company has received and in the future will receive from third parties confidential or proprietary information (“Third Party Information”) subject to a duty on Company’s part to
maintain the confidentiality of such information and to use it only for certain limited purposes. During and after the term of my employment, I will hold Third Party Information in strict confidence and will not disclose to anyone (other than
Company personnel who need to know such information in connection with their work for Company) or use, Third Party Information, except in connection with my work for Company or unless expressly authorized by an officer of Company in writing. 

1.4 No Improper Use of Information of Prior Employers and Others. I represent that my employment by Company does not and will
not breach any agreement with any former employer, including any noncompete agreement or any agreement to keep in confidence or refrain from using

 
information acquired by me prior to my employment by Company. I further represent that I have not entered into, and will not enter into, any agreement, either written or oral, in conflict with my
obligations under this Agreement. During my employment by Company, I will not improperly make use of, or disclose, any information or trade secrets of any former employer or other third party, nor will I bring onto the premises of Company or use any
unpublished documents or any property belonging to any former employer or other third party, in violation of any lawful agreements with that former employer or third party. I will use in the performance of my duties only information that is
generally known and used by persons with training and experience comparable to my own, is common knowledge in the industry or otherwise legally in the public domain, or is otherwise provided or developed by Company. 

2. INVENTIONS. 
 2.1
Definitions. As used in this Agreement, the term “Invention” means any ideas, concepts, information, materials, processes, data, programs, know-how, improvements, discoveries, developments, designs, artwork, formulae,
other copyrightable works, and techniques and all Intellectual Property Rights in any of the items listed above. The term “Intellectual Property Rights” means all trade secrets, copyrights, trademarks, mask work rights, patents and
other intellectual property rights recognized by the laws of any jurisdiction or country. The term “Moral Rights” means all paternity, integrity, disclosure, withdrawal, special and any other similar rights recognized by the laws of
any jurisdiction or country. 
 2.2 Prior Inventions. I have disclosed on Exhibit A a complete list of all Inventions
that (a) I have, or I have caused to be, alone or jointly with others, conceived, developed, or reduced to practice prior to the commencement of my employment by Company; (b) in which I have an ownership interest or which I have a license
to use; (c) and that I wish to have excluded from the scope of this Agreement (collectively referred to as “Prior Inventions”). If no Prior Inventions are listed in Exhibit A, I warrant that there are no Prior
Inventions. I agree that I will not incorporate, or permit to be incorporated, Prior Inventions in any Company Inventions (defined below) without Company’s prior written consent. If, in the course of my employment with Company, I incorporate a
Prior Invention into a Company process, machine or other work, I hereby grant Company a non-exclusive, perpetual, fully-paid and royalty-free, irrevocable and worldwide license, with rights to sublicense through multiple levels of sublicensees, to
reproduce, make derivative works of, distribute, publicly perform, and publicly display in any form or medium, whether now known or later developed, make, have made, use, sell, import, offer for sale, and exercise any and all present or future
rights in, such Prior Invention. 

 

  
 1 

 
 2.3 Assignment of Company Inventions. Inventions assigned to the Company or to a third
party as directed by the Company pursuant to the subsection titled Government or Third Party are referred to in this Agreement as “Company Inventions.” Except for Inventions (a) that are subject to the subsection titled
Government or Third Party, (b) that qualify fully under the provisions of California Labor Code section 2870, or (c) any Prior Inventions that I have set forth in Exhibit A, I hereby assign and agree to assign in the future
(when any such Inventions or Intellectual Property Rights are first reduced to practice or first fixed in a tangible medium, as applicable) to Company all my right, title, and interest in and to any and all Inventions (and all Intellectual Property
Rights with respect thereto) made, conceived, reduced to practice, or learned by me, either alone or with others, during the period of my employment by Company. Any assignment of Inventions (and all Intellectual Property Rights with respect thereto)
hereunder includes an assignment of all Moral Rights. To the extent such Moral Rights cannot be assigned to Company and to the extent the following is allowed by the laws in any country where Moral Rights exist, I hereby unconditionally and
irrevocably waive the enforcement of such Moral Rights, and all claims and causes of action of any kind against Company or related to Company’s customers, with respect to such rights. I further acknowledge and agree that neither my
successors-in-interest nor legal heirs retain any Moral Rights in any Inventions (and any Intellectual Property Rights with respect thereto). I have reviewed the notification on Exhibit A (Limited Exclusion Notification) and agree that this
signed Agreement acknowledges my receipt of the notification. 
 2.4 Obligation to Keep Company Informed. During the
period of my employment and for one (1) year after my employment ends, I will promptly and fully disclose to Company in writing (a) all Inventions authored, conceived, or reduced to practice by me, either alone or with others, including
any that might be covered under California Labor Code section 2870, and (b) all patent applications filed by me or in which I am named as an inventor or co-inventor. 

2.5 Government or Third Party. I agree that, as directed by the Company, I will assign to a third party, including without limitation
the United States, all my right, title, and interest in and to any particular Company Invention.  
 2.6 Enforcement of
Intellectual Property Rights and Assistance. During and after the period of my employment and at Company’s request and expense, I will assist Company in every proper way, including consenting to and joining in any action, to obtain and
enforce United States and foreign Intellectual Property Rights and Moral Rights relating to Company Inventions in all countries. If the Company is unable to secure my signature on any document needed in connection with such purposes, I hereby
irrevocably designate and appoint Company and its duly authorized officers and agents as my agent and attorney in fact, which appointment is coupled with an interest, to act on my behalf to execute and file any such documents and to do all
other lawfully permitted

 
acts to further such purposes with the same legal force and effect as if executed by me.  

2.7 Incorporation of Software Code. I agree that I will not incorporate into any Company software or otherwise deliver to Company any
software code licensed under the GNU General Public License or Lesser General Public License or any other license that, by its terms, requires or conditions the use or distribution of such code on the disclosure, licensing, or distribution of any
source code owned or licensed by Company. 
 3. RECORDS. I agree to keep and maintain adequate and
current records (in the form of notes, sketches, drawings and in any other form that is required by the Company) of all Inventions made by me during the period of my employment by the Company, which records shall be available to, and remain the sole
property of, the Company at all times. 
 4. ADDITIONAL ACTIVITIES. I agree that
during the term of my employment by Company, I will not (a) without Company’s express written consent, engage in any employment or business activity that is competitive with, or would otherwise conflict with my employment by, Company; and
(b) for the period of my employment by Company and for one (1) year thereafter, I will not either directly or indirectly, solicit or attempt to solicit any employee, independent contractor, or consultant of Company to terminate his, her or
its relationship with Company in order to become an employee, consultant, or independent contractor to or for any other person or entity. 
 5.
RETURN OF COMPANY PROPERTY. Upon termination of my employment or upon Company’s request at any other time, I will deliver to Company all of Company’s property, equipment, and
documents, together with all copies thereof, and any other material containing or disclosing any Inventions, Third Party Information or Confidential Information and certify in writing that I have fully complied with the foregoing obligation. I agree
that I will not copy, delete, or alter any information contained upon my Company computer or Company equipment before I return it to Company. In addition, if I have used any personal computer, server, or e-mail system to receive, store, review,
prepare or transmit any Company information, including but not limited to, Confidential Information, I agree to provide the Company with a computer-useable copy of all such Confidential Information and then permanently delete and expunge such
Confidential Information from those systems; and I agree to provide the Company access to my system as reasonably requested to verify that the necessary copying and/or deletion is completed. I further agree that any property situated on
Company’s premises and owned by Company is subject to inspection by Company’s personnel at any time with or without notice. Prior to the termination of my employment or promptly after termination of my employment, I will cooperate with
Company in attending an exit interview and certify in writing that I have complied with the requirements of this section. 

 

  
 2 

 
 6. NOTIFICATION OF NEW EMPLOYER. If I leave
the employ of Company, I consent to the notification of my new employer of my rights and obligations under this Agreement, by Company providing a copy of this Agreement or otherwise. 

7. GENERAL PROVISIONS. 

7.1 Governing Law and Venue. This Agreement and any action related thereto will be governed and interpreted by and under the laws of
the State of California, without giving effect to any conflicts of laws principles that require the application of the law of a different state. I expressly consent to personal jurisdiction and venue in the state and federal courts for the county in
which Company’s principal place of business is located for any lawsuit filed there against me by Company arising from or related to this Agreement. 

7.2 Severability. If any provision of this Agreement is, for any reason, held to be invalid or unenforceable, the other provisions of
this Agreement will remain enforceable and the invalid or unenforceable provision will be deemed modified so that it is valid and enforceable to the maximum extent permitted by law. 

7.3 Survival. This Agreement shall survive the termination of my employment and the assignment of this Agreement by Company to any
successor or other assignee and shall be binding upon my heirs and legal representatives. 
 7.4 Employment. I agree and understand
that nothing in this Agreement shall give me any right to continued employment by Company, and it will not interfere in any way with my right or Company’s right to terminate my employment at any time, with or without cause and with or without
advance notice. 
 7.5 Notices. Each party must deliver all notices or other communications required or permitted under this
Agreement in writing to the other party at the address listed on the signature page, by courier, by certified or registered mail (postage prepaid and return receipt requested), or by a nationally-recognized express mail service. Notice will be
effective upon receipt or refusal of delivery. If delivered by certified or registered mail, notice will be considered to have been given five (5) business days after it was mailed, as evidenced by the postmark. If delivered by courier
or express mail service, notice will be considered to have been given on

 
the delivery date reflected by the courier or express mail service receipt. Each party may change its address for receipt of notice by giving notice of the change to the other party.

 7.6 Injunctive Relief. I acknowledge that, because my services are personal and unique and because I will have access
to the Confidential Information of Company, any breach of this Agreement by me would cause irreparable injury to Company for which monetary damages would not be an adequate remedy and, therefore, will entitle Company to injunctive relief (including
specific performance). The rights and remedies provided to each party in this Agreement are cumulative and in addition to any other rights and remedies available to such party at law or in equity. 

7.7 Waiver. Any waiver or failure to enforce any provision of this Agreement on one occasion will not be deemed a waiver of that
provision or any other provision on any other occasion. 
 7.8 Export. I agree not to export, reexport, or transfer,
directly or indirectly, any U.S. technical data acquired from Company or any products utilizing such data, in violation of the United States export laws or regulations. 

7.9 Counterparts. This Agreement may be executed in one or more counterparts, each of which shall be deemed an original and all of
which shall be taken together and deemed to be one instrument. 
 7.10 Entire Agreement. If no other agreement governs
nondisclosure and assignment of inventions during any period in which I was previously employed or am in the future employed by Company as an independent contractor, the obligations pursuant to sections of this Agreement titled Confidential
Information Protections and Inventions shall apply. This Agreement is the final, complete and exclusive agreement of the parties with respect to the subject matter hereof and supersedes and merges all prior communications between us with respect to
such matters. No modification of or amendment to this Agreement, or any waiver of any rights under this Agreement, will be effective unless in writing and signed by me and the CEO of Company. Any subsequent change or changes in my duties, salary or
compensation will not affect the validity or scope of this Agreement.  

 

  
 This Agreement shall be
effective as of the first day of my employment with Company. 

  
 3 

									
	EMPLOYEE:	 		 	AVALANCHE BIOTECHNOLOGIES, INC.:
			
	I HAVE READ, UNDERSTAND, AND ACCEPT THIS AGREEMENT AND HAVE BEEN
GIVEN THE OPPORTUNITY TO REVIEW IT WITH INDEPENDENT LEGAL COUNSEL.	 		 	ACCEPTED AND AGREED:
			
	 /s/ Thomas W. Chalberg
	 		 	 /s/ Mark S. Blumenkranz

	(Signature)	 		 	(Signature)
					
	By:	 	 Thomas W. Chalberg
	 		 	By:	 	 Mark S. Blumenkranz

					
	Title:	 	 President & CEO
	 		 	Title:	 	 Chairman of the Board

					
	Date:	 	 9/18/2010
	 		 	Date:	 	 9/18/2010

					
	Address:	 	 [address]
	 		 	Address:	 	 [Address]

  
 4 

 EXHIBIT A 

INVENTIONS 
 1. Prior Inventions
Disclosure. The following is a complete list of all Prior Inventions (as provided in Subsection 2.2 of the attached Employee Confidential Information and Inventions Assignment Agreement, defined herein as the “Agreement”): 

 

	 	 ̈	None 

  

	 	 ̈	See immediately below: 

  

	
	  

	
	  

 2. Limited Exclusion Notification. 

THIS IS TO NOTIFY you in accordance with Section 2872 of
the California Labor Code that the foregoing Agreement between you and Company does not require you to assign or offer to assign to Company any Invention that you develop entirely on your own time without using Company’s equipment, supplies,
facilities or trade secret information, except for those Inventions that either: 
 a. Relate at the time of conception or reduction
to practice to Company’s business, or actual or demonstrably anticipated research or development; or 
 b. Result from any work
performed by you for Company. 
 To the extent a provision in the foregoing Agreement purports to require you to assign an Invention
otherwise excluded from the preceding paragraph, the provision is against the public policy of this state and is unenforceable. 
 This
limited exclusion does not apply to any patent or Invention covered by a contract between Company and the United States or any of its agencies requiring full title to such patent or Invention to be in the United States. 

  
 A-1

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