Document:

EX-10.6

 Exhibit 10.6 

KODIAK SCIENCES INC. 

2018 EQUITY INCENTIVE PLAN 

(Adopted on August 14, 2018 and effective as of the business day prior to the Company’s initial public offering) 

1. Purposes of the Plan. The purposes of this Plan are: 
  

	 	•	 	 to attract and retain the best available personnel for positions of substantial responsibility,

  

	 	•	 	 to provide additional incentive to Employees, Directors and Consultants, and 

 

	 	•	 	 to promote the success of the Company’s business. 

The Plan permits the grant of Incentive Stock Options, Nonstatutory Stock Options, Restricted Stock, Restricted Stock Units, Stock
Appreciation Rights, Performance Units and Performance Shares. 
 2. Definitions. As used herein, the following definitions will
apply: 
 (a) “Administrator” means the Board or any of its Committees as will be administering the Plan, in accordance
with Section 4 of the Plan. 
 (b) “Applicable Laws” means the legal and regulatory requirements relating to the
administration of equity-based awards and the related issuance of Shares thereunder, including but not limited to U.S. federal and state corporate laws, U.S. federal and state securities laws, the Code, any stock exchange or quotation system on
which the Common Stock is listed or quoted and the applicable laws of any non-U.S. country or jurisdiction where Awards are, or will be, granted under the Plan. 

(c) “Award” means, individually or collectively, a grant under the Plan of Options, Stock Appreciation Rights, Restricted
Stock, Restricted Stock Units, Performance Units or Performance Shares. 
 (d) “Award Agreement” means the written or
electronic agreement setting forth the terms and provisions applicable to each Award granted under the Plan. The Award Agreement is subject to the terms and conditions of the Plan. 

(e) “Board” means the Board of Directors of the Company. 

 (f) “Change in Control” means the occurrence of any of the following
events: 
 (i) A change in the ownership of the Company which occurs on the date that any one person, or more than one person acting
as a group (“Person”), acquires ownership of the stock of the Company that, together with the stock held by such Person, constitutes more than fifty percent (50%) of the total voting power of the stock of the Company; provided,
however, that for purposes of this subsection, (A) the acquisition of additional stock by any one Person, who is considered to own more than fifty percent (50%) of the total voting power of the stock of the Company will not be considered a
Change in Control, and (B) if the stockholders of the Company immediately before such change in ownership continue to retain immediately after the change in ownership, in substantially the same proportions as their ownership of shares of the
Company’s voting stock immediately prior to the change in ownership, the direct or indirect beneficial ownership of fifty percent (50%) or more of the total voting power of the stock of the Company or of the ultimate parent entity of the
Company, such event will not be considered a Change in Control under this subsection (i). For this purpose, indirect beneficial ownership will include, without limitation, an interest resulting from ownership of the voting securities of one or more
corporations or other business entities which own the Company, as the case may be, either directly or through one or more subsidiary corporations or other business entities; or 

(ii) A change in the effective control of the Company which occurs on the date that a majority of members of the Board is replaced during any
twelve (12)-month period by Directors whose appointment or election is not endorsed by a majority of the members of the Board prior to the date of the appointment or election. For purposes of this subsection (ii), if any Person is considered to be
in effective control of the Company, the acquisition of additional control of the Company by the same Person will not be considered a Change in Control; or 

(iii) A change in the ownership of a substantial portion of the Company’s assets which occurs on the date that any Person acquires (or
has acquired during the twelve (12)-month period ending on the date of the most recent acquisition by such person or persons) assets from the Company that have a total gross fair market value equal
to or more than fifty percent (50%) of the total gross fair market value of all of the assets of the Company immediately prior to such acquisition or acquisitions; provided, however, that for purposes of this subsection (iii), the following
will not constitute a change in the ownership of a substantial portion of the Company’s assets: (A) a transfer to an entity that is controlled by the Company’s stockholders immediately after the transfer, or (B) a transfer of
assets by the Company to: (1) a stockholder of the Company (immediately before the asset transfer) in exchange for or with respect to the Company’s stock, (2) an entity, fifty percent (50%) or more of the total value or
voting power of which is owned, directly or indirectly, by the Company, (3) a Person, that owns, directly or indirectly, fifty percent (50%) or more of the total value or voting power of all the outstanding stock of the Company, or
(4) an entity, at least fifty percent (50%) of the total value or voting power of which is owned, directly or indirectly, by a Person described in this subsection (iii)(B)(3). For purposes of this subsection (iii), gross fair market value
means the value of the assets of the Company, or the value of the assets being disposed of, determined without regard to any liabilities associated with such assets. 

For purposes of this definition, persons will be considered to be acting as a group if they are owners of a corporation that enters into a
merger, consolidation, purchase or acquisition of stock, or similar business transaction with the Company. 

  
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 Notwithstanding the foregoing, a transaction will not be deemed a Change in Control unless
the transaction qualifies as a change in control event within the meaning of Section 409A. 
 Further and for the avoidance of doubt,
a transaction will not constitute a Change in Control if: (i) its sole purpose is to change the state of the Company’s incorporation, or (ii) its sole purpose is to create a holding company that will be owned in substantially the same
proportions by the persons who held the Company’s securities immediately before such transaction. 
 (g) “Code” means
the Internal Revenue Code of 1986, as amended. Reference to a specific section of the Code or regulation thereunder will include such section or regulation, any valid regulation promulgated under such section, and any comparable provision of any
future legislation or regulation amending, supplementing or superseding such section or regulation. 
 (h) “Committee”
means a committee of Directors or of other individuals satisfying Applicable Laws appointed by the Board, or a duly authorized committee of the Board, in accordance with Section 4 hereof. 

(i) “Common Stock” means the common stock of the Company. 

(j) “Company” means Kodiak Sciences Inc., a Delaware corporation, or any successor thereto. 

(k) “Consultant” means any natural person, including an advisor, engaged by the Company or a Parent or Subsidiary to render
bona fide services to such entity, provided the services (i) are not in connection with the offer or sale of securities in a capital-raising transaction, and (ii) do not directly promote or maintain
a market for the Company’s securities, in each case, within the meaning of Form S-8 promulgated under the Securities Act, and provided, further, that a Consultant will include only those persons to whom
the issuance of Shares may be registered under Form S-8 promulgated under the Securities Act. 
 (l)
“Director” means a member of the Board. 
 (m) “Disability” means total and permanent disability as
defined in Section 22(e)(3) of the Code, provided that in the case of Awards other than Incentive Stock Options, the Administrator in its discretion may determine whether a permanent and total disability exists in accordance with uniform
and non-discriminatory standards adopted by the Administrator from time to time. 
 (n)
“Employee” means any person, including Officers and Directors, employed by the Company or any Parent or Subsidiary of the Company. Neither service as a Director nor payment of a director’s fee by the Company will be sufficient
to constitute “employment” by the Company. 
 (o) “Exchange Act” means the Securities Exchange Act of 1934, as
amended. 

  
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 (p) “Exchange Program” means a program under which (i) outstanding
Awards are surrendered or cancelled in exchange for awards of the same type (which may have higher or lower exercise prices and different terms), awards of a different type, and/or cash, (ii) Participants would have the opportunity to transfer
any outstanding Awards to a financial institution or other person or entity selected by the Administrator, and/or (iii) the exercise price of an outstanding Award is increased or reduced. The Administrator will determine the terms and
conditions of any Exchange Program in its sole discretion. 
 (q) “Fair Market Value” means, as of any date, the value of
Common Stock determined as follows: 
 (i) For purposes of any Awards granted on the Registration Date, the Fair Market Value will be the
initial price to the public as set forth in the final prospectus included within the registration statement in Form S-1 filed with the Securities and Exchange Commission for the initial public offering of the
Company’s Common Stock. 
 (ii) For purposes of any Awards granted on any other date, the Fair Market Value will be the closing sales
price for Common Stock as quoted on any established stock exchange or national market system (including without limitation the New York Stock Exchange, NASDAQ Global Select Market, the NASDAQ Global Market or the NASDAQ Capital Market of The NASDAQ
Stock Market) on which the Common Stock is listed on the date of determination (or the closing bid, if no sales were reported), as reported in The Wall Street Journal or such other source as the Administrator deems reliable. If the
determination date for the Fair Market Value occurs on a non-trading day (i.e., a weekend or holiday), the Fair Market Value will be such price on the immediately preceding trading day, unless otherwise
determined by the Administrator. In the absence of an established market for the Common Stock, the Fair Market Value thereof will be determined in good faith by the Administrator. 

The determination of fair market value for purposes of tax withholding may be made in the Administrator’s discretion subject to
Applicable Laws and is not required to be consistent with the determination of Fair Market Value for other purposes. 
 (r) “Fiscal
Year” means the fiscal year of the Company. 
 (s) “Incentive Stock Option” means an Option intended to qualify as
an incentive stock option within the meaning of Section 422 of the Code and the regulations promulgated thereunder. 
 (t)
“Inside Director” means a Director who is an Employee. 
 (u) “Nonstatutory Stock Option” means an Option
that by its terms does not qualify or is not intended to qualify as an Incentive Stock Option. 
 (v) “Officer” means a
person who is an officer of the Company within the meaning of Section 16 of the Exchange Act and the rules and regulations promulgated thereunder. 

(w) “Option” means a stock option granted pursuant to the Plan. 

(x) “Outside Director” means a Director who is not an Employee. 

  
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 (y) “Parent” means a “parent corporation,” whether now or hereafter
existing, as defined in Section 424(e) of the Code. 
 (z) “Participant” means the holder of an outstanding
Award. 
 (aa) “Performance Share” means an Award denominated in Shares which may be earned in whole or in part upon
attainment of performance goals or other vesting criteria as the Administrator may determine pursuant to Section 10. 
 (bb)
“Performance Unit” means an Award which may be earned in whole or in part upon attainment of performance goals or other vesting criteria as the Administrator may determine and which may be settled for cash, Shares or other
securities or a combination of the foregoing pursuant to Section 10. 
 (cc) “Period of Restriction” means the period
during which the transfer of Shares of Restricted Stock are subject to restrictions and therefore, the Shares are subject to a substantial risk of forfeiture. Such restrictions may be based on the passage of time, the achievement of target levels of
performance, or the occurrence of other events as determined by the Administrator. 
 (dd) “Plan” means this 2018 Equity
Incentive Plan. 
 (ee) “Registration Date” means the effective date of the first registration statement that is filed by
the Company and declared effective pursuant to Section 12(b) of the Exchange Act, with respect to any class of the Company’s securities. 

(ff) “Restricted Stock” means Shares issued pursuant to a Restricted Stock award under Section 7 of the Plan, or issued
pursuant to the early exercise of an Option. 
 (gg) “Restricted Stock Unit” means a bookkeeping entry representing an
amount equal to the Fair Market Value of one Share, granted pursuant to Section 8. Each Restricted Stock Unit represents an unfunded and unsecured obligation of the Company. 

(hh) “Rule 16b-3” means Rule 16b-3 of the
Exchange Act or any successor to Rule 16b-3, as in effect when discretion is being exercised with respect to the Plan. 

(ii) “Section 16(b)” means Section 16(b) of the Exchange Act. 

(jj) “Section 409A” means Code Section 409A, as it has been and may be amended from time to time, and
any proposed or final Treasury Regulations and Internal Revenue Service guidance that has been promulgated or may be promulgated thereunder from time to time. 

(kk) “Securities Act” means the Securities Act of 1933, as amended. 

(ll) “Service Provider” means an Employee, Director or Consultant. 

(mm) “Share” means a share of the Common Stock, as adjusted in accordance with Section 14 of the Plan. 

  
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 (nn) “Stock Appreciation Right” means an Award, granted alone or in
connection with an Option, that pursuant to Section 9 is designated as a Stock Appreciation Right. 
 (oo)
“Subsidiary” means a “subsidiary corporation,” whether now or hereafter existing, as defined in Section 424(f) of the Code. 

3. Stock Subject to the Plan. 

(a) Stock Subject to the Plan. Subject to the provisions of
Section 14 of the Plan and the automatic increase set forth in Section 3(b) of the Plan, upon effectiveness of the Plan as provided in Section 18, the initial maximum aggregate number of Shares that may be issued under the Plan is
1,500,000 Shares (the “Initial Share Reserve”). Subject to the provisions of Section 14 of the Plan and the automatic increase set forth in Section 3(b) of the Plan, upon the filing of the Company’s amended and
restated certificate of incorporation with the Secretary of State of the State of Delaware in connection with the closing of the Company’s initial public offering, the maximum aggregate number of Shares that may be issued under the Plan will be
increased to a total of 4,300,000 Shares, which figure includes the Initial Share Reserve, plus (i) any Shares that, as of the Registration Date, have been reserved but not issued pursuant to any awards granted under the Company’s 2015
Share Incentive Plan (the “2015 Plan”) and are not subject to any awards granted thereunder and (ii) any Shares subject to stock options, restricted stock units, or similar awards granted under the 2015 Plan or the
Company’s 2009 Option and Profits Interest Plan (together, the “Existing Plans”) that, on or after the Registration Date, expire or otherwise terminate without having been exercised in full, are tendered to or withheld by the
Company for payment of an exercise price or for tax withholding obligations, or are forfeited to or repurchased by the Company due to failure to vest, with the maximum number of Shares to be added to the Plan pursuant to clauses (i) and (ii)
equal to 3,800,000 Shares. The Shares may be authorized, but unissued, or reacquired Common Stock. 
 (b) Automatic Share Reserve
Increase. Subject to the provisions of Section 14 of the Plan, the number of Shares available for issuance under the Plan will be increased on the first day of each Fiscal Year beginning with the 2019 Fiscal Year, in an amount equal to the
least of (i) 4,300,000 Shares, (ii) 4% of the outstanding Shares on the last day of the immediately preceding Fiscal Year or (iii) such number of Shares determined by the Board. 

(c) Lapsed Awards. If an Award expires or becomes unexercisable without having been exercised in full, is surrendered pursuant to an
Exchange Program, or, with respect to Restricted Stock, Restricted Stock Units, Performance Units or Performance Shares, is forfeited to or repurchased by the Company due to failure to vest, the unpurchased Shares (or for Awards other than Options
or Stock Appreciation Rights the forfeited or repurchased Shares), which were subject 

  
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thereto will become available for future grant or sale under the Plan (unless the Plan has terminated). With respect to Stock Appreciation Rights, only Shares actually issued (i.e., the net
Shares issued) pursuant to a Stock Appreciation Right will cease to be available under the Plan; all remaining Shares under Stock Appreciation Rights will remain available for future grant or sale under the Plan (unless the Plan has
terminated). Shares that have actually been issued under the Plan under any Award will not be returned to the Plan and will not become available for future distribution under the Plan; provided, however, that if Shares issued pursuant to Awards of
Restricted Stock, Restricted Stock Units, Performance Shares or Performance Units are repurchased by the Company or are forfeited to the Company, such Shares will become available for future grant under the Plan. Shares used to pay the exercise
price of an Award or to satisfy the tax withholding obligations related to an Award will become available for future grant or sale under the Plan. To the extent an Award under the Plan is paid out in cash rather than Shares, such cash payment will
not result in reducing the number of Shares available for issuance under the Plan. Notwithstanding the foregoing and, subject to adjustment as provided in Section 14, the maximum number of Shares that may be issued upon the exercise of
Incentive Stock Options will equal the aggregate Share number stated in Section 3(a), plus, to the extent allowable under Section 422 of the Code and the Treasury Regulations promulgated thereunder, any Shares that become available for
issuance under the Plan pursuant to Sections 3(b) and 3(c). 
 (d) Share Reserve. The Company, during the term of this Plan,
will at all times reserve and keep available such number of Shares as will be sufficient to satisfy the requirements of the Plan. 
 4.
Administration of the Plan. 
 (a) Procedure. 

(i) Multiple Administrative Bodies. Different Committees with respect to different groups of Service Providers may administer the
Plan. 
 (ii) Rule 16b-3. To the extent desirable to qualify transactions hereunder as
exempt under Rule 16b-3, the transactions contemplated hereunder will be structured to satisfy the requirements for exemption under Rule 16b-3. 

(iii) Other Administration. Other than as provided above, the Plan will be administered by (A) the Board or (B) a Committee,
which committee will be constituted to satisfy Applicable Laws. 
 (b) Powers of the Administrator. Subject to the provisions of the
Plan, and in the case of a Committee, subject to the specific duties delegated by the Board to such Committee, the Administrator will have the authority, in its discretion: 

(i) to determine the Fair Market Value; 

(ii) to select the Service Providers to whom Awards may be granted hereunder; 

  
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 (iii) to determine the number of Shares to be covered by each Award granted hereunder; 

(iv) to approve forms of Award Agreements for use under the Plan; 

(v) to determine the terms and conditions, not inconsistent with the terms of the Plan, of any Award granted hereunder. Such terms and
conditions include, but are not limited to, the exercise price, the time or times when Awards may be exercised (which may be based on performance criteria), any vesting acceleration or waiver of forfeiture restrictions, and any restriction or
limitation regarding any Award or the Shares relating thereto, based in each case on such factors as the Administrator will determine; 

(vi) to institute and determine the terms and conditions of an Exchange Program; 

(vii) to construe and interpret the terms of the Plan and Awards granted pursuant to the Plan; 

(viii) to prescribe, amend and rescind rules and regulations relating to the Plan, including rules and regulations relating to sub-plans established for the purpose of satisfying applicable non-U.S. laws or for qualifying for favorable tax treatment under applicable
non-U.S. laws; 
 (ix) to modify or amend each Award (subject to Section 19 of the Plan),
including but not limited to the discretionary authority to extend the post-termination exercisability period of Awards and to extend the maximum term of an Option (subject to Section 6(b) of the Plan regarding Incentive Stock Options);

 (x) to allow Participants to satisfy tax withholding obligations in such manner as prescribed in Section 15 of the Plan; 

(xi) to authorize any person to execute on behalf of the Company any instrument required to effect the grant of an Award previously granted
by the Administrator; 
 (xii) to allow a Participant to defer the receipt of the payment of cash or the delivery of Shares that would
otherwise be due to such Participant under an Award; and 
 (xiii) to make all other determinations deemed necessary or advisable for
administering the Plan. 
 (c) Effect of Administrator’s Decision. The Administrator’s decisions,
determinations and interpretations will be final and binding on all Participants and any other holders of Awards. 
 5. Eligibility.
Nonstatutory Stock Options, Stock Appreciation Rights, Restricted Stock, Restricted Stock Units, Performance Shares and Performance Units may be granted to Service Providers. Incentive Stock Options may be granted only to Employees. 

  
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 6. Stock Options. 

(a) Limitations. Each Option will be designated in the Award Agreement as either an Incentive Stock Option or a Nonstatutory Stock
Option. However, notwithstanding such designation, to the extent that the aggregate fair market value of the shares with respect to which incentive stock options are exercisable for the first time by the Participant during any calendar year (under
all plans of the Company and any Parent or Subsidiary) exceeds one hundred thousand dollars ($100,000), such options will be treated as nonstatutory stock options. For purposes of this Section 6(a), incentive stock options will be taken
into account in the order in which they were granted. The fair market value of the shares will be determined as of the time the option with respect to such shares is granted. 

(b) Term of Option. The term of each Option will be stated in the Award Agreement. In the case of an Incentive Stock Option, the term
will be ten (10) years from the date of grant or such shorter term as may be provided in the Award Agreement. Moreover, in the case of an Incentive Stock Option granted to a Participant who, at the time the Incentive Stock Option is granted,
owns stock representing more than ten percent (10%) of the total combined voting power of all classes of stock of the Company or any Parent or Subsidiary, the term of the Incentive Stock Option will be five (5) years from the date of grant or
such shorter term as may be provided in the Award Agreement. 
 (c) Option Exercise Price and Consideration. 

(i) Exercise Price. The per share exercise price for the Shares to be issued pursuant to exercise of an Option will be determined by
the Administrator, subject to the following: 
 (1) In the case of an Incentive Stock Option 

(A) granted to an Employee who, at the time the Incentive Stock Option is granted, owns stock representing more than ten percent (10%) of the
voting power of all classes of stock of the Company or any Parent or Subsidiary, the per Share exercise price will be no less than one hundred ten percent (110%) of the Fair Market Value per Share on the date of grant. 

(B) granted to any Employee other than an Employee described in paragraph (A) immediately above, the per Share exercise price will be no
less than one hundred percent (100%) of the Fair Market Value per Share on the date of grant. 
 (2) In the case of a Nonstatutory Stock
Option, the per Share exercise price will be no less than one hundred percent (100%) of the Fair Market Value per Share on the date of grant. 

(3) Notwithstanding the foregoing, Options may be granted with a per Share exercise price of less than one hundred percent (100%) of the Fair
Market Value per Share on the date of grant pursuant to a transaction described in, and in a manner consistent with, Section 424(a) of the Code. 

  
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 (ii) Waiting Period and Exercise Dates. At the time an Option is granted, the
Administrator will fix the period within which the Option may be exercised and will determine any conditions that must be satisfied before the Option may be exercised. 

(iii) Form of Consideration. The Administrator will determine the acceptable form of consideration for exercising an Option, including
the method of payment. In the case of an Incentive Stock Option, the Administrator will determine the acceptable form of consideration at the time of grant. Such consideration may consist entirely of: (1) cash; (2) check;
(3) promissory note, to the extent permitted by Applicable Laws, (4) other Shares, provided that such Shares have a Fair Market Value on the date of surrender equal to the aggregate exercise price of the Shares as to which such Option will
be exercised and provided that accepting such Shares will not result in any adverse accounting consequences to the Company, as the Administrator determines in its sole discretion; (5) consideration received by the Company under a
broker-assisted (or other) cashless exercise program (whether through a broker or otherwise) implemented by the Company in connection with the Plan; (6) by net exercise; (7) such other consideration and method of payment for the
issuance of Shares to the extent permitted by Applicable Laws; or (8) any combination of the foregoing methods of payment. 
 (d)
Exercise of Option. 
 (i) Procedure for Exercise; Rights as a Stockholder. Any Option granted hereunder will be exercisable
according to the terms of the Plan and at such times and under such conditions as determined by the Administrator and set forth in the Award Agreement. An Option may not be exercised for a fraction of a Share. 

An Option will be deemed exercised when the Company receives: (i) a notice of exercise (in such form as the Administrator may specify
from time to time) from the person entitled to exercise the Option, and (ii) full payment for the Shares with respect to which the Option is exercised (together with applicable withholding taxes). Full payment may consist of any
consideration and method of payment authorized by the Administrator and permitted by the Award Agreement and the Plan. Shares issued upon exercise of an Option will be issued in the name of the Participant or, if requested by the Participant, in the
name of the Participant and his or her spouse. Until the Shares are issued (as evidenced by the appropriate entry on the books of the Company or of a duly authorized transfer agent of the Company), no right to vote or receive dividends or any other
rights as a stockholder will exist with respect to the Shares subject to an Option, notwithstanding the exercise of the Option. The Company will issue (or cause to be issued) such Shares promptly after the Option is exercised. No adjustment
will be made for a dividend or other right for which the record date is prior to the date the Shares are issued, except as provided in Section 14 of the Plan. 

Exercising an Option in any manner will decrease the number of Shares thereafter available, both for purposes of the Plan and for sale under
the Option, by the number of Shares as to which the Option is exercised. 
 (ii) Termination of Relationship as a Service Provider.
If a Participant ceases to be a Service Provider, other than upon the Participant’s termination as the result of the Participant’s death or Disability, the Participant may exercise his or her Option within such period of time as is
specified in the Award Agreement to the extent that the Option is vested on the date of 

  
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termination (but in no event later than the expiration of the term of such Option as set forth in the Award Agreement). In the absence of a specified time in the Award Agreement, the Option will
remain exercisable for three (3) months following the Participant’s termination. Unless otherwise provided by the Administrator, if on the date of termination the Participant is not vested as to his or her entire Option, the Shares covered
by the unvested portion of the Option will revert to the Plan. If after termination the Participant does not exercise his or her Option within the time specified by the Administrator, the Option will terminate, and the Shares covered by such Option
will revert to the Plan. 
 (iii) Disability of Participant. If a Participant ceases to be a Service Provider as a result of the
Participant’s Disability, the Participant may exercise his or her Option within such period of time as is specified in the Award Agreement to the extent the Option is vested on the date of termination (but in no event later than the expiration
of the term of such Option as set forth in the Award Agreement). In the absence of a specified time in the Award Agreement, the Option will remain exercisable for twelve (12) months following the Participant’s termination. Unless otherwise
provided by the Administrator, if on the date of termination the Participant is not vested as to his or her entire Option, the Shares covered by the unvested portion of the Option will revert to the Plan. If after termination the Participant does
not exercise his or her Option within the time specified herein, the Option will terminate, and the Shares covered by such Option will revert to the Plan. 

(iv) Death of Participant. If a Participant dies while a Service Provider, the Option may be exercised following the
Participant’s death within such period of time as is specified in the Award Agreement to the extent that the Option is vested on the date of death (but in no event may the option be exercised later than the expiration of the term of such Option
as set forth in the Award Agreement), by the Participant’s designated beneficiary, provided such beneficiary has been designated prior to Participant’s death in a form acceptable to the Administrator. If no such beneficiary has been
designated by the Participant, then such Option may be exercised by the personal representative of the Participant’s estate or by the person(s) to whom the Option is transferred pursuant to the Participant’s will or in accordance with
the laws of descent and distribution. In the absence of a specified time in the Award Agreement, the Option will remain exercisable for twelve (12) months following Participant’s death. Unless otherwise provided by the Administrator, if at
the time of death Participant is not vested as to his or her entire Option, the Shares covered by the unvested portion of the Option will immediately revert to the Plan. If the Option is not so exercised within the time specified herein, the Option
will terminate, and the Shares covered by such Option will revert to the Plan. 
 (v) Tolling Expiration. A Participant’s Award
Agreement may also provide that: 
 (1) if the exercise of the Option following the termination of Participant’s status as a Service
Provider (other than upon the Participant’s death or Disability) would result in liability under Section 16(b), then the Option will terminate on the earlier of (A) the expiration of the term of the Option set forth in the Award
Agreement, or (B) the tenth (10th) day after the last date on which such exercise would result in liability under Section 16(b); or 

  
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 (2) if the exercise of the Option following the termination of the Participant’s status as
a Service Provider (other than upon the Participant’s death or Disability) would be prohibited at any time solely because the issuance of Shares would violate the registration requirements under the Securities Act, then the Option will
terminate on the earlier of (A) the expiration of the term of the Option or (B) the expiration of a period of thirty (30)-day period after the termination of the Participant’s status as a
Service Provider during which the exercise of the Option would not be in violation of such registration requirements. 
 7. Restricted
Stock. 
 (a) Grant of Restricted Stock. Subject to the terms and provisions of the Plan, the Administrator, at any time and from
time to time, may grant Shares of Restricted Stock to Service Providers in such amounts as the Administrator, in its sole discretion, will determine. 

(b) Restricted Stock Agreement. Each Award of Restricted Stock will be evidenced by an Award Agreement that will specify the Period of
Restriction, the number of Shares granted, and such other terms and conditions as the Administrator, in its sole discretion, will determine. Unless the Administrator determines otherwise, the Company as escrow agent will hold Shares of Restricted
Stock until the restrictions on such Shares have lapsed. 
 (c) Transferability. Except as provided in this Section 7 or the
Award Agreement, Shares of Restricted Stock may not be sold, transferred, pledged, assigned, or otherwise alienated or hypothecated until the end of the applicable Period of Restriction. 

(d) Other Restrictions. The Administrator, in its sole discretion, may impose such other restrictions on Shares of Restricted Stock as
it may deem advisable or appropriate. 
 (e) Removal of Restrictions. Except as otherwise provided in this Section 7, Shares of
Restricted Stock covered by each Restricted Stock grant made under the Plan will be released from escrow as soon as practicable after the last day of the Period of Restriction or at such other time as the Administrator may determine. The
Administrator, in its discretion, may accelerate the time at which any restrictions will lapse or be removed. 
 (f) Voting Rights.
During the Period of Restriction, Service Providers holding Shares of Restricted Stock granted hereunder may exercise full voting rights with respect to those Shares, unless the Administrator determines otherwise. 

(g) Dividends and Other Distributions. During the Period of Restriction, Service Providers holding Shares of Restricted Stock will be
entitled to receive all dividends and other distributions paid with respect to such Shares, unless the Administrator provides otherwise. If any such dividends or distributions are paid in Shares, the Shares will be subject to the same restrictions
on transferability and forfeitability as the Shares of Restricted Stock with respect to which they were paid. 
 (h) Return of Restricted
Stock to Company. On the date set forth in the Award Agreement, the Restricted Stock for which restrictions have not lapsed will revert to the Company and again will become available for grant under the Plan. 

  
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 8. Restricted Stock Units. 

(a) Grant. Restricted Stock Units may be granted at any time and from time to time as determined by the Administrator. After the
Administrator determines that it will grant Restricted Stock Units under the Plan, it will advise the Participant in an Award Agreement of the terms, conditions, and restrictions related to the grant, including the number of Restricted Stock Units.

 (b) Vesting Criteria and Other Terms. The Administrator will set vesting criteria in its discretion, which, depending on the
extent to which the criteria are met, will determine the number of Restricted Stock Units that will be paid out to the Participant. The Administrator may set vesting criteria based upon the achievement of Company-wide, divisional, business unit, or
individual goals (including, but not limited to, continued employment or service), applicable federal or state securities laws or any other basis determined by the Administrator in its discretion. 

(c) Earning Restricted Stock Units. Upon meeting the applicable vesting criteria, the Participant will be entitled to receive a payout
as determined by the Administrator. Notwithstanding the foregoing, at any time after the grant of Restricted Stock Units, the Administrator, in its sole discretion, may reduce or waive any vesting criteria that must be met to receive a payout. 

(d) Form and Timing of Payment. Payment of earned Restricted Stock Units will be made as soon as practicable after the
date(s) determined by the Administrator and set forth in the Award Agreement. The Administrator, in its sole discretion, may only settle earned Restricted Stock Units in cash, Shares, or a combination of both. 

(e) Cancellation. On the date set forth in the Award Agreement, all unearned Restricted Stock Units will be forfeited to the Company.

 9. Stock Appreciation Rights. 

(a) Grant of Stock Appreciation Rights. Subject to the terms and conditions of the Plan, a Stock Appreciation Right may be granted to
Service Providers at any time and from time to time as will be determined by the Administrator, in its sole discretion. 
 (b) Number of
Shares. The Administrator will have complete discretion to determine the number of Stock Appreciation Rights granted to any Service Provider. 

(c) Exercise Price and Other Terms. The per share exercise price for the Shares to be issued pursuant to exercise of a Stock
Appreciation Right will be determined by the Administrator and will be no less than one hundred percent (100%) of the Fair Market Value per Share on the date of grant. Otherwise, the Administrator, subject to the provisions of the Plan, will have
complete discretion to determine the terms and conditions of Stock Appreciation Rights granted under the Plan. 
 (d) Stock Appreciation
Right Agreement. Each Stock Appreciation Right grant will be evidenced by an Award Agreement that will specify the exercise price, the term of the Stock Appreciation Right, the conditions of exercise, and such other terms and conditions as the
Administrator, in its sole discretion, will determine. 

  
 13 

 (e) Expiration of Stock Appreciation Rights. A Stock Appreciation Right granted under
the Plan will expire ten (10) years from the date of grant or such shorter term as may be provided in the Award Agreement, as determined by the Administrator, in its sole discretion. Notwithstanding the foregoing, the rules of
Section 6(d) relating to exercise also will apply to Stock Appreciation Rights. 
 (f) Payment of Stock Appreciation Right
Amount. Upon exercise of a Stock Appreciation Right, a Participant will be entitled to receive payment from the Company in an amount determined by multiplying: 

(i) The difference between the Fair Market Value of a Share on the date of exercise over the exercise price; times 

(ii) The number of Shares with respect to which the Stock Appreciation Right is exercised. 

At the discretion of the Administrator, the payment upon Stock Appreciation Right exercise may be in cash, in Shares of equivalent value, or
in some combination thereof. 
 10. Performance Units and Performance Shares. 

(a) Grant of Performance Units/Shares. Performance Units and Performance Shares may be granted to Service Providers at any time and
from time to time, as will be determined by the Administrator, in its sole discretion. The Administrator will have complete discretion in determining the number of Performance Units and Performance Shares granted to each Participant. 

(b) Value of Performance Units/Shares. Each Performance Unit will have an initial value that is established by the Administrator on or
before the date of grant. Each Performance Share will have an initial value equal to the Fair Market Value of a Share on the date of grant. 

(c) Performance Objectives and Other Terms. The Administrator will set performance objectives or other vesting provisions (including,
without limitation, continued status as a Service Provider) in its discretion which, depending on the extent to which they are met, will determine the number or value of Performance Units/Shares that will be paid out to the Service Providers.
The time period during which the performance objectives or other vesting provisions must be met will be called the “Performance Period.” Each Award of Performance Units/Shares will be evidenced by an Award Agreement that will specify the
Performance Period, and such other terms and conditions as the Administrator, in its sole discretion, will determine. The Administrator may set performance objectives based upon the achievement of Company-wide, divisional, business unit or
individual goals (including, but not limited to, continued employment or service), applicable federal or state securities laws, or any other basis determined by the Administrator in its discretion. 

  
 14 

 (d) Earning of Performance Units/Shares. After the applicable Performance Period has
ended, the holder of Performance Units/Shares will be entitled to receive a payout of the number of Performance Units/Shares earned by the Participant over the Performance Period, to be determined as a function of the extent to which the
corresponding performance objectives or other vesting provisions have been achieved. After the grant of a Performance Unit/Share, the Administrator, in its sole discretion, may reduce or waive any performance objectives or other vesting provisions
for such Performance Unit/Share. 
 (e) Form and Timing of Payment of Performance Units/Shares. Payment of earned Performance
Units/Shares will be made as soon as practicable after the expiration of the applicable Performance Period. The Administrator, in its sole discretion, may pay earned Performance Units/Shares in the form of cash, in Shares (which have an aggregate
Fair Market Value equal to the value of the earned Performance Units/Shares at the close of the applicable Performance Period) or in a combination thereof. 

(f) Cancellation of Performance Units/Shares. On the date set forth in the Award Agreement, all unearned or unvested Performance
Units/Shares will be forfeited to the Company, and again will be available for grant under the Plan. 
 11. Outside Director
Limitations. No Outside Director may be paid, issued or granted, in any Fiscal Year, cash compensation and equity awards (including any Awards issued under this Plan) with an aggregate value greater than $500,000 (increased to $1,000,000 in
connection with his or her initial service as an Outside Director), with the value of each equity award based on its grant date fair value (determined in accordance with U.S. generally accepted accounting principles). Any cash compensation paid or
Awards granted to an individual for his or her services as an Employee, or for his or her services as a Consultant (other than as an Outside Director), will not count for purposes of the limitation under this Section 11. 

12. Leaves of Absence/Transfer Between Locations. Unless the Administrator provides otherwise, vesting of Awards granted hereunder will
be suspended during any unpaid leave of absence. A Participant will not cease to be an Employee in the case of (i) any leave of absence approved by the Company or (ii) transfers between locations of the Company or between the Company, its
Parent, or any Subsidiary. For purposes of Incentive Stock Options, no such leave may exceed three (3) months, unless reemployment upon expiration of such leave is guaranteed by statute or contract. If reemployment upon expiration of a leave of
absence approved by the Company is not so guaranteed, then six (6) months following the first (1st) day of such leave any Incentive Stock Option held by the Participant will cease to be treated as an Incentive Stock Option and will be
treated for tax purposes as a Nonstatutory Stock Option. 
 13. Transferability of Awards. Unless determined otherwise by the
Administrator, an Award may not be sold, pledged, assigned, hypothecated, transferred, or disposed of in any manner other than by will or by the laws of descent or distribution and may be exercised, during the lifetime of the Participant, only by
the Participant. If the Administrator makes an Award transferable, such Award will contain such additional terms and conditions as the Administrator deems appropriate. 

  
 15 

 14. Adjustments; Dissolution or Liquidation; Merger or Change in Control. 

(a) Adjustments. In the event that any dividend or other distribution (whether in the form of cash, Shares, other securities, or other
property), recapitalization, stock split, reverse stock split, reorganization, merger, consolidation, split-up, spin-off, combination, repurchase, or exchange of Shares
or other securities of the Company, or other change in the corporate structure of the Company affecting the Shares occurs, the Administrator, in order to prevent diminution or enlargement of the benefits or potential benefits intended to be made
available under the Plan, will adjust the number and class of Shares that may be delivered under the Plan and/or the number, class, and price of Shares covered by each outstanding Award, and the numerical Share limits in Section 3 of the Plan.

 (b) Dissolution or Liquidation. In the event of the proposed dissolution or liquidation of the Company, the Administrator will
notify each Participant as soon as practicable prior to the effective date of such proposed transaction. To the extent it has not been previously exercised, an Award will terminate immediately prior to the consummation of such proposed action. 

(c) Change in Control. In the event of a merger of the Company with or into another corporation or other entity or a Change in Control,
each outstanding Award will be treated as the Administrator determines subject to the restriction in the following paragraph, including, without limitation, that each Award be assumed or an equivalent option or right substituted by the successor
corporation or a Parent or Subsidiary of the successor corporation. The Administrator will not be required to treat all Awards or Participants similarly in the transaction. 

In the event that the successor corporation does not assume or substitute for the Award, the Participant will fully vest in and have the right
to exercise all of his or her outstanding Options and Stock Appreciation Rights, including Shares as to which such Awards would not otherwise be vested or exercisable, all restrictions on Restricted Stock and Restricted Stock Units will lapse, and,
with respect to Awards with performance-based vesting, unless specifically provided otherwise under the applicable Award Agreement, a Company policy applicable to the Participant, or other written agreement between the Participant and the
Company, all performance goals or other vesting criteria will be deemed achieved at one hundred percent (100%) of target levels and all other terms and conditions met. In addition, if an Option or Stock Appreciation Right is not assumed or
substituted in the event of a Change in Control, the Administrator will notify the Participant in writing or electronically that the Option or Stock Appreciation Right will be exercisable for a period of time determined by the Administrator in its
sole discretion, and the Option or Stock Appreciation Right will terminate upon the expiration of such period. 
 For the purposes of this
subsection (c), an Award will be considered assumed if, following the Change in Control, the Award confers the right to purchase or receive, for each Share subject to the Award immediately prior to the Change in Control, the consideration (whether
stock, cash, or other securities or property) received in the Change in Control by holders of Common Stock for each Share held on the effective date of the transaction (and if holders were offered a choice of consideration, the type of
consideration chosen by the holders of a majority of the outstanding Shares); provided, however, that if such consideration received in the Change in Control is not solely common stock of the successor corporation or its Parent, the Administrator
may, with the consent of the successor corporation, provide for the consideration to be received upon the exercise of an Option or Stock Appreciation Right or upon the payout of a Restricted Stock Unit, Performance Unit or Performance Share, for
each Share subject to such Award, to be solely common stock of the successor corporation or its Parent equal in fair market value to the per share consideration received by holders of Common Stock in the Change in Control. 

  
 16 

 Notwithstanding anything in this Section 14(c) to the contrary, an Award that
vests, is earned or paid-out upon the satisfaction of one or more performance goals will not be considered assumed if the Company or its successor modifies any of such performance goals without the
Participant’s consent; provided, however, a modification to such performance goals only to reflect the successor corporation’s post-Change in Control corporate structure will not be deemed to invalidate an otherwise valid Award assumption.

 (d) Outside Director Awards. With respect to Awards granted to an Outside Director, in the event of a Change in Control, and
unless otherwise agreed, then the Outside Director will fully vest in and have the right to exercise Options and/or Stock Appreciation Rights as to all of the Shares underlying such Award, including those Shares which would not otherwise be vested
or exercisable, all restrictions on Restricted Stock and Restricted Stock Units will lapse, and, with respect to Awards with performance-based vesting, all performance goals or other vesting criteria will be deemed achieved at one hundred percent
(100%) of target levels and all other terms and conditions met. 
 15. Tax. 

(a) Withholding Requirements. Prior to the delivery of any Shares or cash pursuant to an Award (or exercise thereof) or such
earlier time as any tax withholding obligations are due, the Company will have the power and the right to deduct or withhold, or require a Participant to remit to the Company, an amount sufficient to satisfy U.S. federal, state, or local taxes, non-U.S. taxes, or other taxes (including the Participant’s FICA obligation) required to be withheld with respect to such Award (or exercise thereof). 

(b) Withholding Arrangements. The Administrator, in its sole discretion and pursuant to such procedures as it may specify from time to
time, may permit a Participant to satisfy such tax withholding obligation, in whole or in part by (without limitation) (i) paying cash, (ii) electing to have the Company withhold otherwise deliverable cash or Shares having a fair
market value not in excess of the maximum statutory amount required to be withheld, or (iii) delivering to the Company already-owned Shares having a fair market value not in excess of the maximum statutory amount required to be withheld. The
fair market value of the Shares to be withheld or delivered will be determined as of the date that the taxes are required to be withheld. 

(c) Compliance With Section 409A. Awards will be designed and operated in such a manner that they are either exempt
from the application of, or comply with, the requirements of Section 409A such that the grant, payment, settlement or deferral will not be subject to the additional tax or interest applicable under Section 409A, except as otherwise
determined in the sole discretion of the Administrator. The Plan and each Award Agreement under the Plan is intended to meet the requirements of Section 409A and will be construed and interpreted in accordance with such intent, except as
otherwise determined in the sole discretion of the Administrator. To the extent that an Award or payment, or the settlement or deferral thereof, is subject to Section 409A the Award will be granted, paid, settled or deferred in a manner that
will meet the requirements of Section 409A, such that the grant, payment, settlement or deferral will not be subject to the additional tax or interest applicable under Section 409A. In no event will the Company (or any Parent or Subsidiary
of the Company, as applicable) reimburse a Participant for any taxes imposed or other costs incurred as a result of Section 409A. 

  
 17 

 16. No Effect on Employment or Service. Neither the Plan nor any Award will confer upon a
Participant any right with respect to continuing the Participant’s relationship as a Service Provider, nor will they interfere in any way with the Participant’s right or the right of the Company (or any Parent or Subsidiary of the Company)
to terminate such relationship at any time, with or without cause, to the extent permitted by Applicable Laws. 
 17. Date of Grant.
The date of grant of an Award will be, for all purposes, the date on which the Administrator makes the determination granting such Award, or such other later date as is determined by the Administrator. Notice of the determination will be provided to
each Participant within a reasonable time after the date of such grant. 
 18. Term of Plan. Subject to Section 23 of the
Plan, the Plan will become effective upon the later to occur of (i) its adoption by the Board or (ii) the business day immediately prior to the Registration Date. It will continue in effect for a term of ten (10) years from the date
adopted by the Board, unless terminated earlier under Section 19 of the Plan. 
 19. Amendment and Termination of the
Plan. 
 (a) Amendment and Termination. The Administrator may at any time amend, alter, suspend or terminate the Plan. 

(b) Stockholder Approval. The Company will obtain stockholder approval of any Plan amendment to the extent necessary and desirable to
comply with Applicable Laws. 
 (c) Effect of Amendment or Termination. No amendment, alteration, suspension or termination of the
Plan will materially impair the rights of any Participant, unless mutually agreed otherwise between the Participant and the Administrator, which agreement must be in writing and signed by the Participant and the Company. Termination of the Plan will
not affect the Administrator’s ability to exercise the powers granted to it hereunder with respect to Awards granted under the Plan prior to the date of such termination. 

20. Conditions Upon Issuance of Shares. 

(a) Legal Compliance. Shares will not be issued pursuant to an Award unless the exercise of such Award and the issuance and delivery of
such Shares will comply with Applicable Laws and will be further subject to the approval of counsel for the Company with respect to such compliance. 

(b) Investment Representations. As a condition to the exercise of an Award, the Company may require the person exercising such Award to
represent and warrant at the time of any such exercise that the Shares are being purchased only for investment and without any present intention to sell or distribute such Shares if, in the opinion of counsel for the Company, such a representation
is required. 

  
 18 

 21. Inability to Obtain Authority. The inability of the Company to obtain authority from
any regulatory body having jurisdiction or to complete or comply with the requirements of any registration or other qualification of the Shares under any U.S. federal or state law, any non-U.S. law, or the
rules and regulations of the Securities and Exchange Commission, the stock exchange on which Shares of the same class are then listed, or any other governmental or regulatory body, which authority, registration, qualification or rule compliance is
deemed by the Company’s counsel to be necessary or advisable for the issuance and sale of any Shares hereunder, will relieve the Company of any liability in respect of the failure to issue or sell such Shares as to which such requisite
authority, registration, qualification or rule compliance will not have been obtained. 
 22. Forfeiture Events. 

(a) All Awards granted under the Plan will be subject to recoupment under any clawback policy that the Company is required to adopt pursuant
to the listing standards of any national securities exchange or association on which the Company’s securities are listed or as is otherwise required by the Dodd-Frank Wall Street Reform and Consumer Protection Act or other Applicable Laws. In
addition, the Administrator may impose such other clawback, recovery or recoupment provisions in an Award Agreement as the Administrator determines necessary or appropriate, including but not limited to a reacquisition right regarding previously
acquired Shares or other cash or property. Unless this Section 22 is specifically mentioned and waived in an Award Agreement or other document, no recovery of compensation under a clawback policy or otherwise will be an event that triggers or
contributes to any right of a Participant to resign for “good reason” or “constructive termination” (or similar term) under any agreement with the Company or any Subsidiary. 

(b) The Administrator may specify in an Award Agreement that the Participant’s rights, payments, and benefits with respect to an Award
will be subject to reduction, cancellation, forfeiture, or recoupment upon the occurrence of specified events, in addition to any otherwise applicable vesting or performance conditions of an Award. Such events may include, but will not be limited
to, termination of such Participant’s status as a Service Provider for cause or any specified action or inaction by a Participant, whether before or after the date Participant is no longer a Service Provider, that would constitute cause for
termination of such Participant’s status as a Service Provider. 
 (c) If the Company is required to prepare an accounting restatement
due to the material noncompliance of the Company, as a result of misconduct, with any financial reporting requirement under securities laws, any Participant who (1) knowingly or through gross negligence engaged in the misconduct or who
knowingly or through gross negligence failed to prevent the misconduct or (2) is one of the individuals subject to automatic forfeiture under Section 304 of the Sarbanes-Oxley Act of 2002, must reimburse the Company the amount of any
payment in settlement of an Award earned or accrued during the 12-month period following the first public issuance or filing with the United States Securities and Exchange Commission (whichever first
occurred) of the financial document embodying such financial reporting requirement. 
 23. Stockholder Approval. The Plan will be
subject to approval by the stockholders of the Company within twelve (12) months after the date the Plan is adopted by the Board. Such stockholder approval will be obtained in the manner and to the degree required under Applicable Laws. 

  
 19EX-10.7

 Exhibit 10.7 

KODIAK SCIENCES INC. 

2018 EQUITY INCENTIVE PLAN 

STOCK OPTION AGREEMENT 

Unless otherwise defined herein, the terms defined in the Kodiak Sciences Inc. 2018 Equity Incentive Plan (the “Plan”) will
have the same defined meanings in this Stock Option Agreement, which includes the Notice of Stock Option Grant (the “Notice of Grant”), the Terms and Conditions of Stock Option Grant attached hereto as Exhibit A, and all appendices
and exhibits attached thereto (all together, the “Option Agreement”). 
 NOTICE OF STOCK OPTION GRANT 

Participant: 
 Address:

 The undersigned Participant has been granted an Option to purchase Common Stock of Kodiak Sciences Inc. (the “Company”),
subject to the terms and conditions of the Plan and this Option Agreement, as follows: 
  

					
	 Grant Number:
	 	                                     
                                         
            	  	
			
	 Date of Grant:
	 	                                     
                                         
            	  	
			
	 Vesting Commencement Date:
	 	                                     
                                         
            	  	
			
	 Number of Shares Granted:
	 	                                     
                                         
            	  	
			
	 Exercise Price per Share:
	 	$                                     
                                         
          	  	
			
	 Total Exercise Price:
	 	$                                     
                                         
          	  	
			
	 Type of Option:
	 	       Incentive Stock Option	  	
			
		 	       Nonstatutory Stock Option	  	
			
	 Term/Expiration Date:
	 	                                     
                                         
            	  	

 Vesting Schedule: 

Subject to accelerated vesting as set forth below or in the Plan, this Option will be exercisable, in whole or in part, in accordance with the
following schedule: 
 [Twenty-five percent (25%) of the Shares subject to the Option shall vest on the one (1) year anniversary of the
Vesting Commencement Date, and one forty-eighth (1/48th) of the Shares subject to the Option shall vest each month thereafter on the same day of the month as the Vesting Commencement Date (and if
there is no corresponding day, on the last day of the month), subject to Participant continuing to be a Service Provider through each such date.]  

  
 1 

 The vesting schedule in the paragraph above notwithstanding, the Shares subject to the Option
shall be subject to the following special vesting acceleration provisions (referred to herein as the “Accelerated Vesting Benefits”), subject to Participant’s execution and delivery of a release and waiver of claims agreement drafted
by and satisfactory to counsel for the Company, and such release and waiver of claims agreement must be executed and become effective within sixty (60) days following the employment termination date (“Termination Date”) or the second
(2nd) anniversary of the Change in Control, as applicable (the date such release and waiver of claims agreement becomes effective, the “Release Effective Date”): 

 

	 	•	 	 If, at any time before the consummation of any Change in Control, Participant’s employment is terminated by
the Company without Cause (as defined below or in a Separate Agreement, as applicable) and other than for death or Disability, or by Participant with Good Reason (as defined below or in a Separate Agreement, as applicable), then that number of
Shares subject to the Option as would have vested in the twelve (12)-month period following the Termination Date, had Participant continued to be employed by the Company for such period, shall vest, effective as of the Release Effective Date.

  

	 	•	 	 If (i) on the date twenty-four (24) months immediately
following the consummation of any Change in Control, Participant is providing services to the acquiring company as either an employee or a consultant or (ii) within twenty-four (24) months following the consummation of any Change in
Control, Participant’s employment is terminated by the Company without Cause and other than for death or Disability, or by Participant for Good Reason (as defined below), then in either the case of (i) or (ii), one hundred percent (100%)
of the Shares subject to the Option that remain unvested shall vest and become exercisable in full, effective as of the Release Effective Date. 

Unless any agreement between Participant and the Company (a “Separate Agreement”) provides a definition that is more favorable to
Participant, “Cause” shall mean: (i) Participant’s conviction of, including pleading guilty or nolo contendere to, any felony or any crime involving dishonesty; (ii) Participant’s participation in any fraud or act
of dishonesty against the Company that has caused or is reasonably expected to result in injury to the Company; (iii) a material violation by Participant of any of the Company’s written policies or other serious misconduct, in each case
that results in or is reasonably likely to result in material harm to Company; (iv) Participant’s willful and continued failure substantially to perform any of Participant’s job duties (other than as a result of total or partial
Disability) that is not cured within thirty (30) days following written notice of Cause from the Company; (v) conduct by Participant which, in the good faith and reasonable determination of the Company’s Board of Directors,
demonstrates gross unfitness to serve; or (vi) Participant’s material breach of any agreement with the Company (or its subsidiaries or successors). 

Unless any Separate Agreement provides a definition that is more favorable to Participant, “Good Reason” shall mean the occurrence
of any one or more of the following events without the prior written consent of Participant: (i) a material reduction in base salary or targeted incentive bonus opportunity, or benefits; (ii) a material reduction in Participant’s
title, duties, or responsibilities without Cause provided that a reassignment following a Change in Control to a position that is substantially similar to the position held prior to the Change in Control shall not

  
 2 

 
constitute a material reduction in job responsibilities or duties; (iii) a relocation of Participant’s primary work location that increases Participant’s one-way commute by more than fifty (50) miles; (iv) failure of the successor company to assume obligations contained in the Option or any other equity compensation agreement in place between Participant and the
Company at the time of the Change in Control; or (v) the Company’s material breach of any terms of the Option or employment agreement with Participant; provided, however, that no such event or condition shall constitute Good Reason unless
(x) Participant gives the Company a written notice of termination for Good Reason not more than ninety (90) days after the initial existence of the condition, (y) the grounds for termination (if susceptible to correction) are not
corrected by the Company within thirty (30) days of its receipt of such notice, and (z) the Termination Date occurs within ninety (90) days following the Company’s receipt of such notice. 

Notwithstanding anything herein to the contrary, in the event a Separate Agreement provides for vesting acceleration benefits that are more
favorable than the Accelerated Vesting Benefits, the terms of the Separate Agreement shall apply in lieu of the Accelerated Vesting Benefits. 

Termination Period: 

Subject to the following paragraph, this Option will be exercisable for the following period after Participant ceases to be a Service
Provider: (i) in the event of the death of Participant during the period of continuous Service Provider status since the date of grant of the Option, or within three (3) months following termination of Participant’s continuous
Service Provider status, the Option may be exercised by Participant’s estate, or by a person who acquired the right to exercise the Option by bequest or inheritance, at any time within nine (9) months following the date of death or, if
earlier, the date Participant’s continuous Service Provider status terminated, (ii) in the event of termination of Parcipant’s continuous Service Provider status as a result of Participant’s Disability, Participant may exercise
the Option at any time within six (6) months following such termination, or (iii) in the event of termination of Parcipant’s continuous Service Provider status for any reason other than Cause, death, or Disability, Participant may
exercise the Option at any time within three (3) months following such termination. Notwithstanding the foregoing sentence, in no event may this Option be exercised after the Term/Expiration Date as provided above and may be subject to earlier
termination as provided in Section 14 of the Plan. 
 In the event of termination of Participant’s continuous Service Provider
status for Cause, the Option (including, in the discretion of the Administrator, any vested portion thereof) shall immediately terminate in its entirety upon first notification to Participant of termination of Participant’s continuous Service
Provider status for Cause. If Participant’s continuous Service Provider status is suspended pending an investigation of whether Participant’s continuous Service Provider status will be terminated for Cause, all of Participant’s rights
under the Option, including the right to exercise the Option, shall be suspended during the investigation period. 
 [Signature page
follows.] 

  
 3 

 By Participant’s signature and the signature of the representative of the Company
below, Participant and the Company agree that this Option is granted under and governed by the terms and conditions of the Plan, any applicable Separate Agreement, and this Option Agreement, including the Terms and Conditions of Stock Option Grant,
attached hereto as Exhibit A, all of which are made a part of this document. Participant acknowledges receipt of a copy of the Plan. Participant has reviewed the Plan and this Option Agreement in their entirety, has had an opportunity to
obtain the advice of counsel prior to executing this Option Agreement, and fully understands all provisions of the Plan and this Option Agreement. Participant hereby agrees to accept as binding, conclusive, and final all decisions or interpretations
of the Administrator upon any questions relating to the Plan and the Option Agreement. Participant further agrees to notify the Company upon any change in the residence address indicated below. 

 

					
	PARTICIPANT	 		 	KODIAK SCIENCES INC.
			
	   
	 		 	   

	Signature	 		 	Signature
	   
	 		 	   

	Print Name	 		 	Print Name
	  
	 		 	   

	  
	 		 	Title

  

	
	Address:
	
	   

	
	   

  
 4 

 EXHIBIT A 

TERMS AND CONDITIONS OF STOCK OPTION GRANT 

1. Grant of Option. The Company hereby grants to the individual (the “Participant”) named in the Notice of Stock Option Grant
of this Option Agreement (the “Notice of Grant”) an option (the “Option”) to purchase the number of Shares, as set forth in the Notice of Grant, at the exercise price per Share set forth in the Notice of Grant (the “Exercise
Price”), subject to all of the terms and conditions in this Option Agreement and the Plan, which is incorporated herein by reference. Subject to Section 19(c) of the Plan, in the event of a conflict between the terms and conditions of the
Plan and the terms and conditions of this Option Agreement, the terms and conditions of the Plan will prevail. 
 (a) For U.S. taxpayers,
the Option will be designated as either an Incentive Stock Option (“ISO”) or a Nonstatutory Stock Option (“NSO”). If designated in the Notice of Grant as an ISO, this Option is intended to qualify as an ISO under Section 422
of the Internal Revenue Code of 1986, as amended (the “Code”). However, if this Option is intended to be an ISO, to the extent that it exceeds the $100,000 rule of Code Section 422(d) it will be treated as an NSO. Further, if for any
reason this Option (or portion thereof) will not qualify as an ISO, then, to the extent of such nonqualification, such Option (or portion thereof) shall be regarded as a NSO granted under the Plan. In no event will the Administrator, the Company or
any Parent or Subsidiary or any of their respective employees or directors have any liability to Participant (or any other person) due to the failure of the Option to qualify for any reason as an ISO. 

(b) For non-U.S. taxpayers, the Option will be designated as an NSO. 

2. Vesting Schedule. Except as provided in Section 3, the Option awarded by this Option Agreement will vest in accordance with the
vesting provisions set forth in the Notice of Grant. Shares scheduled to vest on a certain date or upon the occurrence of a certain condition will not vest in Participant in accordance with any of the provisions of this Option Agreement, unless
Participant will have been continuously a Service Provider from the Date of Grant until the date such vesting occurs. 
 3. Administrator
Discretion. The Administrator, in its discretion, may accelerate the vesting of the balance, or some lesser portion of the balance, of the unvested Option at any time, subject to the terms of the Plan. If so accelerated, such Option will be
considered as having vested as of the date specified by the Administrator. 
 4. Exercise of Option. 

(a) Right to Exercise. This Option may be exercised only within the term set out in the Notice of Grant, and may be exercised during
such term only in accordance with the Plan and the terms of this Option Agreement. 

  
 1 

 (b) Method of Exercise. This Option is exercisable by delivery of an exercise notice (the
“Exercise Notice”) in the form attached as Exhibit A or in a manner and pursuant to such procedures as the Administrator may determine, which will state the election to exercise the Option, the number of Shares in respect of which
the Option is being exercised (the “Exercised Shares”), and such other representations and agreements as may be required by the Company pursuant to the provisions of the Plan. The Exercise Notice will be completed by Participant and
delivered to the Company. The Exercise Notice will be accompanied by payment of the aggregate Exercise Price as to all Exercised Shares together and of any Tax Obligations (as defined in Section 6(a)). This Option will be deemed to be exercised
upon receipt by the Company of such fully executed Exercise Notice accompanied by the aggregate Exercise Price. 
 5. Method of
Payment. Payment of the aggregate Exercise Price will be by any of the following, or a combination thereof, at the election of Participant: 

(a) cash; 
 (b) check; 

(c) consideration received by the Company under a formal cashless exercise program adopted by the Company in connection with the Plan; or 

(d) if Participant is a U.S. employee, surrender of other Shares which have a Fair Market Value on the date of surrender equal to the
aggregate Exercise Price of the Exercised Shares and that are owned free and clear of any liens, claims, encumbrances, or security interests, provided that accepting such Shares, in the sole discretion of the Administrator, will not result in any
adverse accounting consequences to the Company. 
 6. Tax Obligations. 

(a) Participant acknowledges that, regardless of any action taken by the Company or, if different, Participant’s employer (the
“Employer”) or Parent or Subsidiary to which Participant is providing services (together, the Company, Employer and/or Parent or Subsidiary to which the Participant is providing services, the “Service Recipient”), the ultimate
liability for any tax and/or social insurance liability obligations and requirements in connection with the Option, including, without limitation, (i) all federal, state, and local taxes (including the Participant’s Federal Insurance
Contributions Act (FICA) obligation) that are required to be withheld by the Company or the Service Recipient or other payment of tax-related items related to Participant’s participation in the Plan and
legally applicable to Participant, (ii) the Participant’s and, to the extent required by the Company (or Service Recipient), the Company’s (or Service Recipient’s) fringe benefit tax liability, if any, associated with the grant,
vesting, or exercise of the Option or sale of Shares, and (iii) any other Company (or Service Recipient) taxes the responsibility for which the Participant has, or has agreed to bear, with respect to the Option (or exercise thereof or issuance
of Shares thereunder) (collectively, the “Tax Obligations”), is and remains Participant’s responsibility and may exceed the amount actually withheld by the Company or the Service Recipient. Participant further acknowledges that the
Company and/or the Service Recipient (A) make no representations or undertakings regarding the treatment of any Tax Obligations in connection with any aspect of the 

  
 2 

 
Option, including, but not limited to, the grant, vesting or exercise of the Option, the subsequent sale of Shares acquired pursuant to such exercise and the receipt of any dividends or other
distributions, and (B) do not commit to and are under no obligation to structure the terms of the grant or any aspect of the Option to reduce or eliminate Participant’s liability for Tax Obligations or achieve any particular tax result.
Further, if Participant is subject to Tax Obligations in more than one jurisdiction between the Date of Grant and the date of any relevant taxable or tax withholding event, as applicable, Participant acknowledges that the Company and/or the Service
Recipient (or former employer, as applicable) may be required to withhold or account for Tax Obligations in more than one jurisdiction. If Participant fails to make satisfactory arrangements for the payment of any required Tax Obligations hereunder
at the time of the applicable taxable event, Participant acknowledges and agrees that the Company may refuse to issue or deliver the Shares. 

(b) Tax Withholding. When the Option is exercised, Participant generally will recognize immediate U.S. taxable income if Participant is
a U.S. taxpayer. If Participant is a non-U.S. taxpayer, Participant will be subject to applicable taxes in his or her jurisdiction. Pursuant to such procedures as the Administrator may specify from time to
time, the Company and/or Service Recipient shall withhold the amount required to be withheld for the payment of Tax Obligations. The Administrator, in its sole discretion and pursuant to such procedures as it may specify from time to time, may
permit Participant to satisfy such Tax Obligations, in whole or in part (without limitation), if permissible by applicable local law, by (i) paying cash, (ii) electing to have the Company withhold otherwise deliverable Shares having a fair
market value equal to the minimum amount that is necessary to meet the withholding requirement for such Tax Obligations (or such greater amount as Participant may elect if permitted by the Administrator, if such greater amount would not result in
adverse financial accounting consequences), (iii) withholding the amount of such Tax Obligations from Participant’s wages or other cash compensation paid to Participant by the Company and/or the Service Recipient, (iv) delivering to the
Company already vested and owned Shares having a fair market value equal to such Tax Obligations, or (v) selling a sufficient number of such Shares otherwise deliverable to Participant through such means as the Company may determine in its sole
discretion (whether through a broker or otherwise) equal to the minimum amount that is necessary to meet the withholding requirement for such Tax Obligations (or such greater amount as Participant may elect if permitted by the Administrator, if such
greater amount would not result in adverse financial accounting consequences). To the extent determined appropriate by the Company in its discretion, it will have the right (but not the obligation) to satisfy any Tax Obligations by reducing the
number of Shares otherwise deliverable to Participant. Further, if Participant is subject to tax in more than one jurisdiction between the Date of Grant and a date of any relevant taxable or tax withholding event, as applicable, Participant
acknowledges and agrees that the Company and/or the Service Recipient (and/or former employer, as applicable) may be required to withhold or account for tax in more than one jurisdiction. If Participant fails to make satisfactory arrangements for
the payment of any required Tax Obligations hereunder at the time of the Option exercise, Participant acknowledges and agrees that the Company may refuse to honor the exercise and refuse to deliver the Shares if such amounts are not delivered at the
time of exercise. 
 (c) Notice of Disqualifying Disposition of ISO Shares. If the Option granted to Participant herein is an ISO,
and if Participant sells or otherwise disposes of any of the Shares acquired pursuant to the ISO on or before the later of (i) the date two (2) years after the Date of Grant, or (ii) the date one (1) year after the date of
exercise, Participant will immediately notify the Company in writing of such disposition. Participant agrees that Participant may be subject to income tax withholding by the Company on the compensation income recognized by Participant. 

  
 3 

 (d) Code Section 409A. Under Code Section 409A, a stock right
(such as the Option) that vests after December 31, 2004 (or that vested on or prior to such date but which was materially modified after October 3, 2004) that was granted with a per share exercise price that is determined by the Internal
Revenue Service (the “IRS”) to be less than the fair market value of an underlying share on the date of grant (a “discount option”) may be considered “deferred compensation.” A stock right that is a “discount
option” may result in (i) income recognition by the recipient of the stock right prior to the exercise of the stock right, (ii) an additional twenty percent (20%) federal income tax, and (iii) potential penalty and interest
charges. The “discount option” may also result in additional state income, penalty and interest tax to the recipient of the stock right. Participant acknowledges that the Company cannot and has not guaranteed that the IRS will agree that
the per Share exercise price of this Option equals or exceeds the fair market value of a Share on the date of grant in a later examination. Participant agrees that if the IRS determines that the Option was granted with a per Share exercise price
that was less than the fair market value of a Share on the date of grant, Participant shall be solely responsible for Participant’s costs related to such a determination. 

7. Rights as Stockholder. Neither Participant nor any person claiming under or through Participant will have any of the rights or
privileges of a stockholder of the Company in respect of any Shares deliverable hereunder unless and until certificates representing such Shares (which may be in book entry form) will have been issued, recorded on the records of the Company or its
transfer agents or registrars, and delivered to Participant (including through electronic delivery to a brokerage account). After such issuance, recordation, and delivery, Participant will have all the rights of a stockholder of the Company with
respect to voting such Shares and receipt of dividends and distributions on such Shares. 
 8. No Guarantee of Continued Service.
PARTICIPANT ACKNOWLEDGES AND AGREES THAT THE VESTING OF SHARES PURSUANT TO THE VESTING SCHEDULE HEREOF IS EARNED ONLY BY CONTINUING AS A SERVICE PROVIDER, WHICH UNLESS PROVIDED OTHERWISE UNDER APPLICABLE LAW IS AT THE WILL OF THE COMPANY (OR THE
SERVICE RECIPIENT) AND NOT THROUGH THE ACT OF BEING HIRED, BEING GRANTED THIS OPTION OR ACQUIRING SHARES HEREUNDER. PARTICIPANT FURTHER ACKNOWLEDGES AND AGREES THAT THIS OPTION AGREEMENT, THE TRANSACTIONS CONTEMPLATED HEREUNDER AND THE VESTING
SCHEDULE SET FORTH HEREIN DO NOT CONSTITUTE AN EXPRESS OR IMPLIED PROMISE OF CONTINUED ENGAGEMENT AS A SERVICE PROVIDER FOR THE VESTING PERIOD, FOR ANY PERIOD, OR AT ALL, AND WILL NOT INTERFERE IN ANY WAY WITH PARTICIPANT’S RIGHT OR THE RIGHT
OF THE COMPANY (OR THE SERVICE RECIPIENT) TO TERMINATE PARTICIPANT’S RELATIONSHIP AS A SERVICE PROVIDER, SUBJECT TO APPLICABLE LAW, WHICH TERMINATION, UNLESS PROVIDED OTHERWISE UNDER APPLICABLE LAW, MAY BE AT ANY TIME, WITH OR WITHOUT CAUSE.

  
 4 

 9. Nature of Grant. In accepting the Option, Participant acknowledges, understands and
agrees that: 
 (a) the grant of the Option is voluntary and occasional and does not create any contractual or other right to receive future
grants of options, or benefits in lieu of options, even if options have been granted in the past; 
 (b) all decisions with respect to
future option or other grants, if any, will be at the sole discretion of the Company; 
 (c) Participant is voluntarily participating in the
Plan; 
 (d) the Option and any Shares acquired under the Plan are not intended to replace any pension rights or compensation; 

(e) the Option and Shares acquired under the Plan and the income and value of same, are not part of normal or expected compensation for
purposes of calculating any severance, resignation, termination, redundancy, dismissal, end-of-service payments, bonuses, long-service awards, pension or retirement or
welfare benefits or similar payments; 
 (f) the future value of the Shares underlying the Option is unknown, indeterminable, and cannot be
predicted with certainty; 
 (g) if the underlying Shares do not increase in value, the Option will have no value; 

(h) if Participant exercises the Option and acquires Shares, the value of such Shares may increase or decrease in value, even below the
Exercise Price; 
 (i) for purposes of the Option, Participant’s engagement as a Service Provider will be considered terminated as of
the date Participant is no longer actively providing services to the Company or any Parent or Subsidiary (regardless of the reason for such termination and whether or not later found to be invalid or in breach of employment laws in the jurisdiction
where Participant is a Service Provider or the terms of Participant’s employment or service agreement, if any), and unless otherwise expressly provided in this Option Agreement (including by reference in the Notice of Grant to other
arrangements or contracts) or determined by the Administrator, (i) Participant’s right to vest in the Option under the Plan, if any, will terminate as of such date and will not be extended by any notice period (e.g.,
Participant’s period of service would not include any contractual notice period or any period of “garden leave” or similar period mandated under employment laws in the jurisdiction where Participant is a Service Provider or
Participant’s employment or service agreement, if any, unless Participant is providing bona fide services during such time); and (ii) the period (if any) during which Participant may exercise the Option after such termination of
Participant’s engagement as a Service Provider will commence on the date Participant ceases to actively provide services and will not be extended by any notice period mandated under employment laws in the jurisdiction where Participant is
employed or terms of Participant’s engagement agreement, if any; the Administrator shall have the exclusive discretion to determine when Participant is no longer actively providing services for purposes of his or her Option grant (including
whether Participant may still be considered to be providing services while on a leave of absence and consistent with local law);  

  
 5 

 (j) unless otherwise provided in the Plan or by the Company in its discretion, the Option and the
benefits evidenced by this Option Agreement do not create any entitlement to have the Option or any such benefits transferred to, or assumed by, another company nor to be exchanged, cashed out or substituted for, in connection with any corporate
transaction affecting the Shares; and 
 (k) the following provisions apply only if Participant is providing services outside the United
States: 
 the Option and the Shares subject to the Option are not part of normal or expected compensation or salary for any purpose; 

Participant acknowledges and agrees that none of the Company, the Service Recipient, or any Parent or Subsidiary shall be liable for any
foreign exchange rate fluctuation between Participant’s local currency and the United States Dollar that may affect the value of the Option or of any amounts due to Participant pursuant to the exercise of the Option or the subsequent sale of
any Shares acquired upon exercise; and 
 no claim or entitlement to compensation or damages shall arise from forfeiture of the Option
resulting from the termination of Participant’s engagement as a Service Provider (for any reason whatsoever, whether or not later found to be invalid or in breach of employment laws in the jurisdiction where Participant is a Service Provider or
the terms of Participant’s employment or service agreement, if any), and in consideration of the grant of the Option to which Participant is otherwise not entitled, Participant irrevocably agrees never to institute any claim against the
Company, any Parent, any Subsidiary or the Service Recipient, waives his or her ability, if any, to bring any such claim, and releases the Company, any Parent or Subsidiary and the Service Recipient from any such claim; if, notwithstanding the
foregoing, any such claim is allowed by a court of competent jurisdiction, then, by participating in the Plan, Participant shall be deemed irrevocably to have agreed not to pursue such claim and agrees to execute any and all documents necessary to
request dismissal or withdrawal of such claim. 
 10. No Advice Regarding Grant. The Company is not providing any tax, legal or
financial advice, nor is the Company making any recommendations regarding Participant’s participation in the Plan, or Participant’s acquisition or sale of the underlying Shares. Participant is hereby advised to consult with his or her own
personal tax, legal and financial advisors regarding his or her participation in the Plan before taking any action related to the Plan. 

  
 6 

 11. Data Privacy. Participant hereby explicitly and unambiguously
consents to the collection, use and transfer, in electronic or other form, of Participant’s personal data as described in this Option Agreement and any other Option grant materials by and among, as applicable, the Employer or other Service
Recipient, the Company and any Parent or Subsidiary for the exclusive purpose of implementing, administering and managing Participant’s participation in the Plan.  

Participant understands that the Company and the Employer may hold certain personal information about Participant, including, but not
limited to, Participant’s name, home address and telephone number, date of birth, social insurance number or other identification number, salary, nationality, job title, any Shares or directorships held in the Company, details of all Options or
any other entitlement to Shares awarded, canceled, exercised, vested, unvested or outstanding in Participant’s favor (“Data”), for the exclusive purpose of implementing, administering and managing the Plan. 

Participant understands that Data will be transferred to a stock plan service provider as may be selected by the Company in the future,
which is assisting the Company with the implementation, administration, and management of the Plan. Participant understands that the recipients of the Data may be located in the United States or elsewhere, and that the recipient’s country of
operation (e.g., the United States) may have different data privacy laws and protections than Participant’s country. Participant understands that if he or she resides outside the United States, he or she may request a list with the names and
addresses of any potential recipients of the Data by contacting his or her local human resources representative. Participant authorizes the Company and any other possible recipients which may assist the Company (presently or in the future) with
implementing, administering and managing the Plan to receive, possess, use, retain and transfer the Data, in electronic or other form, for the sole purposes of implementing, administering and managing Participant’s participation in the Plan.
Participant understands that Data will be held only as long as is necessary to implement, administer and manage Participant’s participation in the Plan. Participant understands that if he or she resides outside the United States, he or she may,
at any time, view Data, request additional information about the storage and processing of Data, require any necessary amendments to Data or refuse or withdraw the consents herein, in any case without cost, by contacting in writing his or her local
human resources representative. Further, Participant understands that he or she is providing the consents herein on a purely voluntary basis. If Participant does not consent, or if Participant later seeks to revoke his or her consent, his or her
engagement as a Service Provider and career with the Employer will not be adversely affected; the only adverse consequence of refusing or withdrawing Participant’s consent is that the Company would not be able to grant Participant Options or
other equity awards or administer or maintain such awards. Therefore, Participant understands that refusing or withdrawing his or her consent may affect Participant’s ability to participate in the Plan. For more information on the consequences
of Participant’s refusal to consent or withdrawal of consent, Participant understands that he or she may contact his or her local human resources representative. 

12. Address for Notices. Any notice to be given to the Company under the terms of this Option Agreement will be addressed to the
Company at Kodiak Sciences Inc., 2631 Hanover Street, Palo Alto, CA 94304, or at such other address as the Company may hereafter designate in writing. 

  
 7 

 13. Non-Transferability of Option. This
Option may not be transferred in any manner otherwise than by will or by the laws of descent or distribution and may be exercised during the lifetime of Participant only by Participant. 

14. Successors and Assigns. The Company may assign any of its rights under this Option Agreement to single or multiple assignees, and
this Option Agreement shall inure to the benefit of the successors and assigns of the Company. Subject to the restrictions on transfer herein set forth, this Option Agreement shall be binding upon Participant and his or her heirs, executors,
administrators, successors and assigns. The rights and obligations of Participant under this Option Agreement may only be assigned with the prior written consent of the Company. 

15. Additional Conditions to Issuance of Stock. If at any time the Company will determine, in its discretion, that the listing,
registration, qualification or rule compliance of the Shares upon any securities exchange or under any state, federal or non-U.S. law, the tax code and related regulations or under the rulings or regulations
of the United States Securities and Exchange Commission or any other governmental regulatory body or the clearance, consent or approval of the United States Securities and Exchange Commission or any other governmental regulatory authority is
necessary or desirable as a condition to the purchase by, or issuance of Shares, to Participant (or his or her estate) hereunder, such purchase or issuance will not occur unless and until such listing, registration, qualification, rule compliance,
clearance, consent or approval will have been completed, effected or obtained free of any conditions not acceptable to the Company. Subject to the terms of the Option Agreement and the Plan, the Company shall not be required to issue any certificate
or certificates for Shares hereunder prior to the lapse of such reasonable period of time following the date of exercise of the Option as the Administrator may establish from time to time for reasons of administrative convenience. 

16. Language. If Participant has received this Option Agreement or any other document related to the Plan translated into a language
other than English and if the meaning of the translated version is different than the English version, the English version will control. 

17. Interpretation. The Administrator will have the power to interpret the Plan and this Option Agreement and to adopt such rules for
the administration, interpretation and application of the Plan as are consistent therewith and to interpret or revoke any such rules (including, but not limited to, the determination of whether or not any Shares subject to the Option have vested).
All actions taken and all interpretations and determinations made by the Administrator in good faith will be final and binding upon Participant, the Company and all other interested persons. Neither the Administrator nor any person acting on behalf
of the Administrator will be personally liable for any action, determination, or interpretation made in good faith with respect to the Plan or this Option Agreement. 

18. Electronic Delivery and Acceptance. The Company may, in its sole discretion, decide to deliver any documents related to the Option
awarded under the Plan or future options that may be awarded under the Plan by electronic means or request Participant’s consent to participate in the Plan by electronic means. Participant hereby consents to receive such documents by electronic
delivery and agrees to participate in the Plan through any on-line or electronic system established and maintained by the Company or a third party designated by the Company. 

  
 8 

 19. Captions. Captions provided herein are for convenience only and are not to serve
as a basis for interpretation or construction of this Option Agreement. 
 20. Agreement Severable. In the event that any provision
in this Option Agreement will be held invalid or unenforceable, such provision will be severable from, and such invalidity or unenforceability will not be construed to have any effect on, the remaining provisions of this Option Agreement. 

21. Amendment, Suspension or Termination of the Plan. By accepting this Option, Participant expressly warrants that he or she has
received an Option under the Plan, and has received, read, and understood a description of the Plan. Participant understands that the Plan is discretionary in nature and may be amended, suspended or terminated by the Company at any time. 

22. Governing Law and Venue. This Option Agreement will be governed by the laws of California, without giving effect to the conflict of
law principles thereof. For purposes of litigating any dispute that arises under this Option or this Option Agreement, the parties hereby submit to and consent to the jurisdiction of the State of California, and agree that such litigation will be
conducted in the courts of Santa Clara County, California, or the federal courts for the United States for the Northern District of California, and no other courts, where this Option is made and/or to be performed. 

23. Country Addendum. Notwithstanding any provisions in this Option Agreement, this Option shall be subject to any special terms and
conditions set forth in the appendix (if any) to this Option Agreement for Participant’s country (the “Country Addendum”). Moreover, if Participant relocates to one of the countries included in the Country Addendum (if any), the
special terms and conditions for such country will apply to Participant, to the extent the Company determines that the application of such terms and conditions is necessary or advisable for legal or administrative reasons. The Country Addendum
constitutes part of this Option Agreement. 
 24. Modifications to the Agreement. This Option Agreement and any applicable Separate
Agreement constitute the entire understanding of the parties on the subjects covered. Participant expressly warrants that he or she is not accepting this Option Agreement in reliance on any promises, representations, or inducements other than those
contained herein. Modifications to this Option Agreement or the Plan can be made only in an express written contract executed by a duly authorized officer of the Company. Notwithstanding anything to the contrary in the Plan or this Option Agreement,
the Company reserves the right to revise this Option Agreement as it deems necessary or advisable, in its sole discretion and without the consent of Participant, to comply with Code Section 409A or to otherwise avoid imposition of any
additional tax or income recognition under Section 409A of the Code in connection with the Option. 
 25. No Waiver. Either
party’s failure to enforce any provision or provisions of this Option Agreement shall not in any way be construed as a waiver of any such provision or provisions, nor prevent that party from thereafter enforcing each and every other provision
of this Option Agreement. The rights granted both parties herein are cumulative and shall not constitute a waiver of either party’s right to assert all other legal remedies available to it under the circumstances. 

  
 9 

 26. Tax Consequences. Participant has reviewed with its own tax advisors the U.S.
federal, state, local and non-U.S. tax consequences of this investment and the transactions contemplated by this Option Agreement. With respect to such matters, Participant relies solely on such advisors and
not on any statements or representations of the Company or any of its agents, written or oral. Participant understands that Participant (and not the Company) shall be responsible for Participant’s own tax liability that may arise as a result of
this investment or the transactions contemplated by this Option Agreement. 

  
 10 

 KODIAK SCIENCES INC. 

2018 EQUITY INCENTIVE PLAN 

STOCK OPTION AGREEMENT 

COUNTRY ADDENDUM 
 TERMS AND
CONDITIONS 
 This Country Addendum includes additional terms and conditions that govern the Option granted to Participant under the Plan if
Participant works in one of the countries listed below. If Participant is a citizen or resident of a country (or is considered as such for local law purposes) other than the one in which he or she is currently working or if Participant relocates to
another country after receiving the Option, the Company will, in its discretion, determine the extent to which the terms and conditions contained herein will be applicable to Participant. 

Certain capitalized terms used but not defined in this Country Addendum shall have the meanings set forth in the Plan, and/or the Stock Option Agreement to
which this Country Addendum is attached. 
 NOTIFICATIONS 

This Country Addendum also includes notifications relating to exchange control and other issues of which Participant should be aware with respect to his or her
participation in the Plan. The information is based on the exchange control, securities and other laws in effect in the countries listed in this Country Addendum, as of
                 (except as otherwise noted below). Such laws are often complex and change frequently. As a result, the Company strongly recommends that
Participant not rely on the notifications herein as the only source of information relating to the consequences of his or her participation in the Plan because the information may be outdated when Participant exercises the Option or sells Shares
acquired under the Plan. 
 In addition, the notifications are general in nature and may not apply to Participant’s particular situation, and the
Company is not in a position to assure Participant of any particular result. Accordingly, Participant is advised to seek appropriate professional advice as to how the relevant laws in Participant’s country may apply to Participant’s
situation. 
 Finally, if Participant is a citizen or resident of a country other than the one in which Participant is currently working (or is considered
as such for local law purposes) or if Participant moves to another country after the Option is granted, the information contained herein may not be applicable to Participant. 

  
 11 

 EXHIBIT B 

KODIAK SCIENCES INC. 

2018 EQUITY INCENTIVE PLAN 

EXERCISE NOTICE 
 Kodiak Sciences Inc. 

2631 Hanover Street 
 Palo Alto, CA 94304 

Attention: Stock Administration 
 1. Exercise
of Option. Effective as of today,                             ,
        , the undersigned (“Purchaser”) hereby elects to purchase
                         shares (the “Shares”) of the Common Stock of Kodiak Sciences Inc. (the
“Company”) under and pursuant to the 2018 Equity Incentive Plan (the “Plan”) and the Stock Option Agreement, dated                  and
including the Notice of Grant, the Terms and Conditions of Stock Option Grant, and exhibits attached thereto (the “Option Agreement”). The purchase price for the Shares will be
$                        , as required by the Option Agreement. 

2. Delivery of Payment. Purchaser herewith delivers to the Company the full purchase price of the Shares and any Tax Obligations (as
defined in Section 6(a) of the Option Agreement) to be paid in connection with the exercise of the Option. 
 3. Representations of
Purchaser. Purchaser acknowledges that Purchaser has received, read and understood the Plan and the Option Agreement and agrees to abide by and be bound by their terms and conditions. 

4. Rights as Stockholder. Until the issuance (as evidenced by the appropriate entry on the books of the Company or of a duly authorized
transfer agent of the Company) of the Shares, no right to vote or receive dividends or any other rights as a stockholder will exist with respect to the Shares subject to the Option, notwithstanding the exercise of the Option. The Shares so acquired
will be issued to Purchaser as soon as practicable after exercise of the Option. No adjustment will be made for a dividend or other right for which the record date is prior to the date of issuance, except as provided in Section 14 of the Plan.

 5. Tax Consultation. Purchaser understands that Purchaser may suffer adverse tax consequences as a result of Purchaser’s
purchase or disposition of the Shares. Purchaser represents that Purchaser has consulted with any tax consultants Purchaser deems advisable in connection with the purchase or disposition of the Shares and that Purchaser is not relying on the Company
for any tax advice. 

  
 1 

 6. Entire Agreement; Governing Law. The Plan, the Option Agreement, and any
applicable Separate Agreement (as defined in the Option Agreement) are incorporated herein by reference. This Exercise Notice, the Plan, the Option Agreement, and any applicable Separate Agreement constitute the entire agreement of the parties with
respect to the subject matter hereof and supersede in their entirety all prior undertakings and agreements of the Company and Purchaser with respect to the subject matter hereof, and may not be modified adversely to the Purchaser’s interest
except by means of a writing signed by the Company and Purchaser. This Option Agreement is governed by the internal substantive laws, but not the choice of law rules, of California. 

 

					
	Submitted by:	 		 	Accepted by:
			
	PURCHASER	 		 	KODIAK SCIENCES INC.
			
	   
	 		 	   

	Signature	 		 	Signature
			
	   
	 		 	   

	Print Name	 		 	Print Name
			
	Address:	 		 	 
		 		 	Title
	 	 		 	
			
	 	 		 	
			
		 		 	 
		 		 	Date Received

  
 2

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