Document:

FORM OF COMMON STOCK CERTIFICATE

 Exhibit 4.1 
 

 
  
  

 Coley Pharmaceutical Group, Inc. 
  
 The following abbreviations, when used in the inscription on the face of this certificate, shall be construed as though they
were written out in full according to applicable laws or regulations: 
  

										
	 TEN COM
	 	 –  as tenants in common
	  	UNIF GIFT MIN ACT–                     Custodian        
             
	 TEN ENT
	 	 –  as tenants by the entireties
	  	 	  	        (Cost	)          	 	  (Minor)      
	 JT TEN
	 	 –  as joint tenants with right of survivorship and not as tenants in common
	  	 	  	under Uniform Gifts to Minors
         Act
                                        
            
(State)
	 	 	 	  	 	  	 

  
 Additional
abbreviations may also be used though not in the above list. 
  

			
	 PLEASE INSERT SOCIAL SECURITY OR OTHER
       IDENTIFYING NUMBER OF ASSIGNEE
  
	 	 
	 	
	 	 	 

  
                                       
                                        
                                        
                                        
                                        
                                        
                    
 (PLEASE PRINT OR
TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE) 
  
                                       
                                        
                                        
                                        
                                        
                                        
                    
  
                                       
                                        
                                        
                                        
                                        
                                        
                    
  
 __________________________________________________________________________________________________ Shares of the common stock represented by the within Certificate and do
hereby irrevocably constitute and appoint 
  
 __________________________________________________________________________________________________ Attorney to transfer the said stock on the books of the within-named Corporation with full power of substitution in the premises. 

 
 Dated _____________________________________ 
  

			
	 	 	 
	 	 	Notice: THE SIGNATURE TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME AS WRITTEN UPON THE FACE OF THE CERTIFICATE IN EVERY PARTICULAR, WITHOUT ALTERATION OR ENLARGEMENT OR ANY CHANGE
WHATSOEVER.

  

			
	 Signature(s) Guaranteed:
	 	 
		
	  	 	  
	THE SIGNATURE(S) SHOULD BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE
GUARANTEE MEDALLION PROGRAM), PURSUANT TO S.E.C. RULE 17Ad-15.2005 STOCK PLAN

 Exhibit 10.4 
  
 COLEY PHARMACEUTICAL GROUP, INC. 
  
 2005 STOCK PLAN 
  
 1. DEFINITIONS. 
  
 Unless otherwise specified or unless the context otherwise requires, the following terms, as used in this Coley Pharmaceutical Group, Inc. 2005 Stock
Plan, have the following meanings: 
  
 Administrator means
the Board of Directors, unless it has delegated power to act on its behalf to the Committee, in which case the Administrator means the Committee. 
  
 Affiliate means a corporation which, for purposes of Section 424 of the Code, is a parent or subsidiary of the Company, direct or indirect.

  
 Agreement means an agreement between the Company and a
Participant delivered pursuant to the Plan, in such form as the Administrator shall approve. 
  
 Board of Directors means the Board of Directors of the Company. 
  
 Cause shall mean (and is not limited to) dishonesty with respect to the Company or any Affiliate, insubordination, substantial malfeasance or
non-feasance of duty, unauthorized disclosure of confidential information, breach by the Participant of any provision of any employment, consulting, advisory, nondisclosure, non-competition or similar agreement between the Participant and the
Company, and conduct substantially prejudicial to the business of the Company or any Affiliate. The determination of the Administrator as to the existence of Cause will be conclusive on the Participant and the Company. In addition, any provision in
an agreement between the Participant and the Company or an Affiliate, which contains a conflicting definition of Cause for termination and which is in effect at the time of such termination, shall supersede the definition in this Plan with respect
to that Participant. 
  
 Change in Control means the
occurrence of any of the following events: 
  

	 	(i)	Ownership. Any “Person” (as such term is used in Sections 13(d) and 14(d) of the Securities Exchange Act of 1934, as amended) becomes the “Beneficial Owner” (as
defined in Rule 13d-3 under said Act), directly or indirectly, of securities of the Company representing 50% or more of the total voting power represented by the Company’s then outstanding voting securities (excluding for this purpose any such
voting securities held by the Company or its Affiliates or by any employee benefit plan of the Company) pursuant to a transaction or a series of related transactions which the Board of Directors does not approve; or 

	 	(ii)	Merger/Sale of Assets. (A) A merger or consolidation of the Company whether or not approved by the Board of Directors, other than a merger or consolidation which would result in the
voting securities of the Company outstanding immediately prior thereto continuing to represent (either by remaining outstanding or by being converted into voting securities of the surviving entity or the parent of such corporation) at least 50% of
the total voting power represented by the voting securities of the Company or such surviving entity or parent of such corporation, as the case may be, outstanding immediately after such merger or consolidation; (B) or the stockholders of the Company
approve an agreement for the sale or disposition by the Company of all or substantially all of the Company’s assets; or 

  

	 	(iii)	Change in Board Composition. A change in the composition of the Board of Directors, as a result of which fewer than a majority of the directors are Incumbent Directors.
“Incumbent Directors” shall mean directors who either (A) are directors of the Company as of the date this Plan was initially approved by the Board of Directors, or (B) are elected, or nominated for election, to the Board of Directors with
the affirmative votes of at least a majority of the Incumbent Directors at the time of such election or nomination (but shall not include an individual whose election or nomination is in connection with an actual or threatened proxy contest relating
to the election of directors to the Company). 

  
 Code means the United States Internal Revenue Code of 1986, as amended. 
  
 Committee means the committee of the Board of Directors to which the Board of Directors has delegated power to act under or pursuant to the provisions of the Plan. 
  
 Common Stock means shares of the Company’s common stock, $.01
par value per share. 
  
 Company means Coley
Pharmaceutical Group, Inc., a Delaware corporation. 
  
 Disability or Disabled means permanent and total disability as defined in Section 22(e)(3) of the Code. 
  
 Employee means any employee of the Company or of an Affiliate (including, without limitation, an employee who is also serving as an officer or
director of the Company or of an Affiliate), designated by the Administrator to be eligible to be granted one or more Stock Rights under the Plan. 
  

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 Fair Market Value of a Share of Common Stock means: 
  
 (1) If the Common Stock is listed on a national securities exchange or
traded in the over-the-counter market and sales prices are regularly reported for the Common Stock, the closing or last price of the Common Stock on the composite tape or other comparable reporting system for the trading day immediately preceding
the applicable date and if such date is not a trading day, the last market trading day prior to such date; 
  
 (2) If the Common Stock is not traded on a national securities exchange but is traded on the over-the-counter market, if sales prices are not regularly
reported for the Common Stock for the trading day referred to in clause (1), and if bid and asked prices for the Common Stock are regularly reported, the mean between the bid and the asked price for the Common Stock at the close of trading in the
over-the-counter market for the trading day on which Common Stock was traded immediately preceding the applicable date and if such date is not a trading day, the last market trading day prior to such date; and 
  
 (3) If the Common Stock is neither listed on a national securities exchange
nor traded in the over-the-counter market, such value as the Administrator, in good faith, shall determine. 
  
 ISO means an option meant to qualify as an incentive stock option under Section 422 of the Code. 
  
 Non-Qualified Option means an option which is not intended to qualify
as an ISO. 
  
 Option means an ISO or Non-Qualified Option
granted under the Plan. 
  
 Participant means an Employee,
director or consultant of the Company or an Affiliate to whom one or more Stock Rights are granted under the Plan. As used herein, “Participant” shall include “Participant’s Survivors” where the context requires. 

 
 Plan means this Coley Pharmaceutical Group, Inc. 2005 Stock Plan.

  
 Shares means shares of the Common Stock as to which
Stock Rights have been or may be granted under the Plan or any shares of capital stock into which the Shares are changed or for which they are exchanged within the provisions of Paragraph 3 of the Plan. The Shares issued under the Plan may be
authorized and unissued shares or shares held by the Company in its treasury, or both. 
  
 Stock-Based Award means a grant by the Company under the Plan of an equity award or equity based award which is not an Option or Stock Grant. 
  
 Stock Grant means a grant by the Company of Shares under the Plan. 
  

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 Stock Right means a right to Shares or the value of Shares of the Company granted pursuant to the
Plan — an ISO, a Non-Qualified Option, a Stock Grant or a Stock-Based Award. 
  
 Survivor means a deceased Participant’s legal representatives and/or any person or persons who acquired the Participant’s rights to a Stock Right by will or by the laws of descent and distribution.

  
 2. PURPOSES OF THE PLAN. 

 
 The Plan is intended to encourage ownership of Shares by Employees and
directors of and certain consultants to the Company in order to attract and retain such people, to induce them to work for the benefit of the Company or of an Affiliate and to provide additional incentive for them to promote the success of the
Company or of an Affiliate. The Plan provides for the granting of ISOs, Non-Qualified Options, Stock Grants and Stock-Based Awards. 
  
 3. SHARES SUBJECT TO THE PLAN. 
  
 (a) The number of Shares which may be issued from time to time pursuant to this Plan, shall be (i) 11,000,000, plus (ii) the amount of shares of Common
Stock, if any, that are presently subject to awards under the Company’s 1997 Employee, Director and Consultant Stock Option Plan but which become unissued upon the cancellation, surrender or termination of such award for any reason whatsoever
or the equivalent of such number of Shares after the Administrator, in its sole discretion, has interpreted the effect of any stock split, stock dividend, combination, recapitalization or similar transaction in accordance with Paragraph 24 of the
Plan. Notwithstanding the foregoing, in no event may more than a maximum of 11,711,523 Shares be issued pursuant to this Plan, including, but not limited to as ISO grants. 
  
 (b) If an Option ceases to be outstanding, in whole or in part (other than by exercise), or if the Company shall reacquire
(at no more than its original issuance price) any Shares issued pursuant to a Stock Grant or Stock-Based Award, or if any Stock Right expires or is forfeited, cancelled, or otherwise terminated or results in any Shares not being issued, the unissued
Shares which were subject to such Stock Right shall again be available for issuance from time to time pursuant to this Plan. 
  
 4. ADMINISTRATION OF THE PLAN. 
  
 The Administrator of the Plan will be the Board of Directors, except to the extent the Board of Directors delegates its authority to the Committee, in
which case the Committee shall be the Administrator. Subject to the provisions of the Plan, the Administrator is authorized to: 
  

	 	a.	Interpret the provisions of the Plan and all Stock Rights and to make all rules and determinations which it deems necessary or advisable for the administration of the Plan;

  

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	 	b.	Determine which Employees, directors and consultants shall be granted Stock Rights; 

  

	 	c.	Determine the number of Shares for which a Stock Right or Stock Rights shall be granted; 

  

	 	d.	Specify the terms and conditions upon which a Stock Right or Stock Rights may be granted; 

  

	 	e.	Make changes to any outstanding Stock Right, including, without limitation, to accelerate the vesting schedule or to extend the expiration date, provided that no such change shall
impair the rights of a Participant under any grant previously made without such Participant’s consent; 

  

	 	f.	Buy out for a payment in cash or Shares, a Stock Right previously granted based on such terms and conditions as the Administrator shall establish and the Participant shall accept;
and 

  

	 	g.	Adopt any sub-plans applicable to residents of any specified jurisdiction as it deems necessary or appropriate in order to comply with or take advantage of any tax or other laws
applicable to the Company or to Plan Participants or to otherwise facilitate the administration of the Plan, which sub-plans may include additional restrictions or conditions applicable to Stock Rights or Shares issuable pursuant to a Stock Right;

  
 provided, however, that all such interpretations, rules,
determinations, terms and conditions shall be made and prescribed in the context of preserving the tax status under Section 422 of the Code of those Options which are designated as ISOs. Subject to the foregoing, the interpretation and construction
by the Administrator of any provisions of the Plan or of any Stock Right granted under it shall be final, unless otherwise determined by the Board of Directors, if the Administrator is the Committee. In addition, if the Administrator is the
Committee, the Board of Directors may take any action under the Plan that would otherwise be the responsibility of the Committee. 
  
 To the extent permitted under applicable law, the Board of Directors or the Committee may allocate all or any portion of its responsibilities and powers
to any one or more of its members and may delegate all or any portion of its responsibilities and powers to any other person selected by it. The Board of Directors or the Committee may revoke any such allocation or delegation at any time.

  

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 5. ELIGIBILITY FOR PARTICIPATION. 
  
 The Administrator will, in its sole discretion, name the Participants in the
Plan, provided, however, that each Participant must be an Employee, director or consultant of the Company or of an Affiliate at the time a Stock Right is granted. Notwithstanding the foregoing, the Administrator may authorize the grant of a Stock
Right to a person not then an Employee, director or consultant of the Company or of an Affiliate; provided, however, that the actual grant of such Stock Right shall be conditioned upon such person becoming eligible to become a Participant at or
prior to the time of the execution of the Agreement evidencing such Stock Right. ISOs may be granted only to Employees. Non-Qualified Options, Stock Grants and Stock-Based Awards may be granted to any Employee, director or consultant of the Company
or an Affiliate. The granting of any Stock Right to any individual shall neither entitle that individual to, nor disqualify him or her from, participation in any other grant of Stock Rights. 
  
 6. TERMS AND CONDITIONS OF OPTIONS. 
  
 Each Option shall be set forth in writing in an Option Agreement, duly
executed by the Company and, to the extent required by law or requested by the Company, by the Participant. The Administrator may provide that Options be granted subject to such terms and conditions, consistent with the terms and conditions
specifically required under this Plan, as the Administrator may deem appropriate including, without limitation, subsequent approval by the shareholders of the Company of this Plan or any amendments thereto. The Option Agreements shall be subject to
at least the following terms and conditions: 
  

	 	A.	Non-Qualified Options: Each Option intended to be a Non-Qualified Option shall be subject to the terms and conditions which the Administrator determines to be appropriate and
in the best interest of the Company, subject to the following minimum standards for any such Non-Qualified Option: 

  

	 	a.	Option Price: Each Option Agreement shall state the option price (per share) of the Shares covered by each Option, which option price shall be determined by the Administrator
but shall not be less than the Fair Market Value per share of Common Stock. 

  

	 	b.	Number of Shares: Each Option Agreement shall state the number of Shares to which it pertains. 

  

	 	c.	Option Periods: Each Option Agreement shall state the date or dates on which it first is exercisable and the date after which it may no longer be exercised, and may provide
that the Option rights accrue or become exercisable in installments over a period of months or years, or upon the occurrence of certain conditions or the attainment of stated goals or events. 

  

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	 	d.	Option Conditions: Exercise of any Option may be conditioned upon the Participant’s execution of a Share purchase agreement in form satisfactory to the Administrator
providing for certain protections for the Company and its other shareholders, including requirements that: 

  

	 	i.	The Participant’s or the Participant’s Survivors’ right to sell or transfer the Shares may be restricted; and 

  

	 	ii.	The Participant or the Participant’s Survivors may be required to execute letters of investment intent and must also acknowledge that the Shares will bear legends noting any
applicable restrictions. 

  

	 	B.	ISOs: Each Option intended to be an ISO shall be issued only to an Employee and be subject to the following terms and conditions, with such additional restrictions or changes
as the Administrator determines are appropriate but not in conflict with Section 422 of the Code and relevant regulations and rulings of the Internal Revenue Service: 

  

	 	a.	Minimum standards: The ISO shall meet the minimum standards required of Non-Qualified Options, as described in Paragraph 6(A) above, except clause (a) thereunder.

  

	 	b.	Option Price: Immediately before the ISO is granted, if the Participant owns, directly or by reason of the applicable attribution rules in Section 424(d) of the Code:

  

	 	i.	10% or less of the total combined voting power of all classes of stock of the Company or an Affiliate, the Option price per share of the Shares covered by each ISO shall not
be less than 100% of the Fair Market Value per share of the Shares on the date of the grant of the Option; or 

  

	 	ii.	More than 10% of the total combined voting power of all classes of stock of the Company or an Affiliate, the Option price per share of the Shares covered by each ISO shall not be
less than 110% of the Fair Market Value on the date of grant. 

  

	 	c.	Term of Option: For Participants who own: 

  

	 	i.	10% or less of the total combined voting power of all classes of stock of the Company or an Affiliate, each ISO shall terminate not more than ten years from the date of the
grant or at such earlier time as the Option Agreement may provide; or 

	 	

	 	ii.	More than 10% of the total combined voting power of all classes of stock of the Company or an Affiliate, each ISO shall terminate not more than five years from the date of the grant
or at such earlier time as the Option Agreement may provide. 

  

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	 	d.	Limitation on Yearly Exercise: The Option Agreements shall restrict the amount of ISOs which may become exercisable in any calendar year (under this or any other ISO plan of
the Company or an Affiliate) so that the aggregate Fair Market Value (determined at the time each ISO is granted) of the stock with respect to which ISOs are exercisable for the first time by the Participant in any calendar year does not exceed
$100,000. 

  
 7. TERMS AND
CONDITIONS OF STOCK GRANTS. 
  
 Each offer of a Stock Grant
to a Participant shall state the date prior to which the Stock Grant must be accepted by the Participant, and the principal terms of each Stock Grant shall be set forth in an Agreement, duly executed by the Company and, to the extent required by law
or requested by the Company, by the Participant. The Agreement shall be in a form approved by the Administrator and shall contain terms and conditions which the Administrator determines to be appropriate and in the best interest of the Company,
subject to the following minimum standards: 
  

	 	(a)	Each Agreement shall state the purchase price (per share), if any, of the Shares covered by each Stock Grant, which purchase price shall be determined by the Administrator but shall
not be less than the minimum consideration required by the Delaware General Corporation Law on the date of the grant of the Stock Grant; 

  

	 	(b)	Each Agreement shall state the number of Shares to which the Stock Grant pertains; and 

  

	 	(c)	Each Agreement shall include the terms of any right of the Company to restrict or reacquire the Shares subject to the Stock Grant, including the time and events upon which such
rights shall accrue and the purchase price therefor, if any. 

  
 8. TERMS AND CONDITIONS OF OTHER STOCK-BASED AWARDS. 
  
 The Board shall have the right to grant other Stock-Based Awards based upon the Common Stock having such terms and conditions as the Board may determine, including, without limitation, the grant of Shares based upon
certain conditions, the grant of securities convertible into Shares and the grant of stock appreciation rights, phantom stock awards or stock units. The principal terms of each Stock-Based Award shall be set forth in an Agreement, duly executed by
the Company and, to the extent required by law or requested by the Company, by the Participant. The Agreement shall be in a form approved by the Administrator and shall contain terms and conditions which the Administrator determines to be
appropriate and in the best interest of the Company. 
  

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 9. EXERCISE OF OPTIONS AND ISSUE OF SHARES. 
  
 An Option (or any part or installment thereof) shall be exercised by giving
written notice to the Company or its designee, together with provision for payment of the full purchase price in accordance with this Paragraph for the Shares as to which the Option is being exercised, and upon compliance with any other condition(s)
set forth in the Option Agreement. Such notice shall be signed by the person exercising the Option, shall state the number of Shares with respect to which the Option is being exercised and shall contain any representation required by the Plan or the
Option Agreement. Payment of the purchase price for the Shares as to which such Option is being exercised shall be made (a) in United States dollars in cash or by check, or (b) at the discretion of the Administrator, through delivery of shares of
Common Stock having a Fair Market Value equal as of the date of the exercise to the cash exercise price of the Option, or (c) at the discretion of the Administrator, by having the Company retain from the shares otherwise issuable upon exercise of
the Option, a number of shares having a Fair Market Value equal as of the date of exercise to the exercise price of the Option, or (d) at the discretion of the Administrator, in accordance with a cashless exercise program established with a
securities brokerage firm, and approved by the Administrator, or (e) at the discretion of the Administrator, by any combination of (a), (b) (c) and (d) above, or (f) at the discretion of the Administrator, payment of such other lawful consideration
as the Board may determine. Notwithstanding the foregoing, the Administrator shall accept only such payment on exercise of an ISO as is permitted by Section 422 of the Code. 
  
 The Company shall then reasonably promptly deliver the Shares as to which such Option was exercised to the Participant (or
to the Participant’s Survivors, as the case may be). In determining what constitutes “reasonably promptly,” it is expressly understood that the issuance and delivery of the Shares may be delayed by the Company in order to comply with
any law or regulation (including, without limitation, state securities or “blue sky” laws) which requires the Company to take any action with respect to the Shares prior to their issuance. The Shares shall, upon delivery, be fully paid,
non-assessable Shares. 
  
 The Administrator shall have the right
to accelerate the date of exercise of any installment of any Option; provided that the Administrator shall not accelerate the exercise date of any installment of any Option granted to an Employee as an ISO (and not previously converted into a
Non-Qualified Option pursuant to Paragraph 27) if such acceleration would violate the annual vesting limitation contained in Section 422(d) of the Code, as described in Paragraph 6.B.d. 
  
 The Administrator may, in its discretion, amend any term or condition of an outstanding Option provided (i) such term or
condition as amended is permitted by the Plan, (ii) any such amendment shall be made only with the consent of the Participant to whom the Option was granted, or in the event of the death of the Participant, the Participant’s Survivors, if the
amendment is adverse to the Participant, and (iii) any such amendment of any ISO shall be made 

  

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only after the Administrator determines whether such amendment would constitute a “modification” of any Option which is an ISO (as that term is
defined in Section 424(h) of the Code) or would cause any adverse tax consequences for the holder of such ISO. 
  
 10. ACCEPTANCE OF STOCK GRANTS AND STOCK-BASED AWARDS AND ISSUE OF SHARES. 
  
 A Stock Grant or Stock-Based Award (or any part or installment thereof)
shall be accepted by executing the applicable Agreement and delivering it to the Company or its designee, together with provision for payment of the full purchase price, if any, in accordance with this Paragraph for the Shares as to which such Stock
Grant or Stock-Based Award is being accepted, and upon compliance with any other conditions set forth in the applicable Agreement. Payment of the purchase price for the Shares as to which such Stock Grant or Stock-Based Award is being accepted shall
be made (a) in United States dollars in cash or by check, or (b) at the discretion of the Administrator, through delivery of shares of Common Stock having a Fair Market Value equal as of the date of acceptance of the Stock Grant or Stock-Based Award
to the purchase price of the Stock Grant or Stock-Based Award, or (c) at the discretion of the Administrator, by any combination of (a) and (b) above. 
  
 The Company shall then, if required pursuant to the applicable Agreement, reasonably promptly deliver the Shares as to which such Stock Grant or
Stock-Based Award was accepted to the Participant (or to the Participant’s Survivors, as the case may be), subject to any escrow provision set forth in the applicable Agreement. In determining what constitutes “reasonably promptly,”
it is expressly understood that the issuance and delivery of the Shares may be delayed by the Company in order to comply with any law or regulation (including, without limitation, state securities or “blue sky” laws) which requires the
Company to take any action with respect to the Shares prior to their issuance. 
  
 The Administrator may, in its discretion, amend any term or condition of an outstanding Stock Grant, Stock-Based Award or applicable Agreement provided (i) such term or condition as amended is permitted by the Plan,
and (ii) any such amendment shall be made only with the consent of the Participant to whom the Stock Grant or Stock-Based Award was made, if the amendment is adverse to the Participant. 
  
 11. RIGHTS AS A SHAREHOLDER. 
  
 No Participant to whom a Stock Right has been granted shall have rights as a shareholder with respect to any Shares covered
by such Stock Right, except after due exercise of the Option or acceptance of the Stock Grant or as set forth in any Agreement and tender of the full purchase price, if any, for the Shares being purchased pursuant to such exercise or acceptance and
registration of the Shares in the Company’s share register in the name of the Participant. 
  

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 12. ASSIGNABILITY AND TRANSFERABILITY OF STOCK RIGHTS. 
  
 By its terms, a Stock Right granted to a Participant shall not be
transferable by the Participant other than (i) by will or by the laws of descent and distribution, or (ii) as approved by the Administrator in its discretion and set forth in the applicable Agreement. Notwithstanding the foregoing, an ISO
transferred except in compliance with clause (i) above shall no longer qualify as an ISO. The designation of a beneficiary of a Stock Right by a Participant, with the prior approval of the Administrator and in such form as the Administrator shall
prescribe, shall not be deemed a transfer prohibited by this Paragraph. Except as provided above, a Stock Right shall only be exercisable or may only be accepted, during the Participant’s lifetime, by such Participant (or by his or her legal
representative) and shall not be assigned, pledged or hypothecated in any way (whether by operation of law or otherwise) and shall not be subject to execution, attachment or similar process. Any attempted transfer, assignment, pledge, hypothecation
or other disposition of any Stock Right or of any rights granted thereunder contrary to the provisions of this Plan, or the levy of any attachment or similar process upon a Stock Right, shall be null and void. 
  
 13. EFFECT ON OPTIONS OF TERMINATION OF SERVICE OTHER
THAN FOR CAUSE OR DEATH OR DISABILITY. 
  
 Except as
otherwise provided in a Participant’s Option Agreement, in the event of a termination of service (whether as an employee, director or consultant) with the Company or an Affiliate before the Participant has exercised an Option, the following
rules apply: 
  

	 	a.	A Participant who ceases to be an employee, director or consultant of the Company or of an Affiliate (for any reason other than termination for Cause, Disability, or death for which
events there are special rules in Paragraphs 14, 15, and 16, respectively), may exercise any Option granted to him or her to the extent that the Option is exercisable on the date of such termination of service, but only within such term as the
Administrator has designated in a Participant’s Option Agreement. 

  

	 	b.	Except as provided in Subparagraph (c) below, or Paragraph 15 or 16, in no event may an Option intended to be an ISO, be exercised later than three months after the
Participant’s termination of employment. 

  

	 	c.	The provisions of this Paragraph, and not the provisions of Paragraph 15 or 16, shall apply to a Participant who subsequently becomes Disabled or dies after the termination of
employment, director status or consultancy; provided, however, in the case of a Participant’s Disability or death within three months after the termination of employment, director status or consultancy, the Participant or the Participant’s
Survivors may exercise the Option within one year after the date of the Participant’s termination of service, but in no event after the date of expiration of the term of the Option. 

  

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	 	d.	Notwithstanding anything herein to the contrary, if subsequent to a Participant’s termination of employment, termination of director status or termination of consultancy, but
prior to the exercise of an Option, the Board of Directors determines that, either prior or subsequent to the Participant’s termination, the Participant engaged in conduct which would constitute Cause, then such Participant shall forthwith
cease to have any right to exercise any Option. 

  

	 	e.	A Participant to whom an Option has been granted under the Plan who is absent from the Company or an Affiliate because of temporary disability (any disability other than a
Disability as defined in Paragraph 1 hereof), or who is on leave of absence for any purpose, shall not, during the period of any such absence, be deemed, by virtue of such absence alone, to have terminated such Participant’s employment,
director status or consultancy with the Company or with an Affiliate, except as the Administrator may otherwise expressly provide. 

  

	 	f.	Except as required by law or as set forth in a Participant’s Option Agreement, Options granted under the Plan shall not be affected by any change of a Participant’s status
within or among the Company and any Affiliates, so long as the Participant continues to be an employee, director or consultant of the Company or any Affiliate. 

  
 14. EFFECT ON OPTIONS OF TERMINATION OF SERVICE FOR CAUSE. 
  
 Except as otherwise provided in a Participant’s Option Agreement, the
following rules apply if the Participant’s service (whether as an employee, director or consultant) with the Company or an Affiliate is terminated for Cause prior to the time that all his or her outstanding Options have been exercised:

  

	 	a.	All outstanding and unexercised Options as of the time the Participant is notified his or her service is terminated for Cause will immediately be forfeited.

  

	 	b.	Cause is not limited to events which have occurred prior to a Participant’s termination of service, nor is it necessary that the Administrator’s finding of Cause occur
prior to termination. If the Administrator determines, subsequent to a Participant’s termination of service but prior to the exercise of an Option, that either prior or subsequent to the Participant’s termination the Participant engaged in
conduct which would constitute Cause, then the right to exercise any Option is forfeited. 

  
 15. EFFECT ON OPTIONS OF TERMINATION OF SERVICE FOR DISABILITY. 
  
 Except as otherwise provided in a Participant’s Option Agreement, a Participant who ceases to be an employee, director
or consultant of the Company or of an Affiliate by reason of Disability may exercise any Option granted to such Participant: 
  

	 	a.	To the extent that the Option has become exercisable but has not been exercised on the date of Disability; and 

  

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	 	b.	In the event rights to exercise the Option accrue periodically, to the extent of a pro rata portion through the date of Disability of any additional vesting rights that would have
accrued on the next vesting date had the Participant not become Disabled. The proration shall be based upon the number of days accrued in the current vesting period prior to the date of Disability. 

  
 A Disabled Participant may exercise such rights only within the period ending
one year after the date of the Participant’s termination of employment, directorship or consultancy, as the case may be, notwithstanding that the Participant might have been able to exercise the Option as to some or all of the Shares on a later
date if the Participant had not become Disabled and had continued to be an employee, director or consultant or, if earlier, within the originally prescribed term of the Option. 
  
 The Administrator shall make the determination both of whether Disability has occurred and the date of its occurrence
(unless a procedure for such determination is set forth in another agreement between the Company and such Participant, in which case such procedure shall be used for such determination). If requested, the Participant shall be examined by a physician
selected or approved by the Administrator, the cost of which examination shall be paid for by the Company. 
  
 16. EFFECT ON OPTIONS OF DEATH WHILE AN EMPLOYEE, DIRECTOR OR CONSULTANT. 
  
 Except as otherwise provided in a Participant’s Option Agreement, in the
event of the death of a Participant while the Participant is an employee, director or consultant of the Company or of an Affiliate, such Option may be exercised by the Participant’s Survivors: 
  

	 	a.	To the extent that the Option has become exercisable but has not been exercised on the date of death; and 

  

	 	b.	In the event rights to exercise the Option accrue periodically, to the extent of a pro rata portion through the date of death of any additional vesting rights that would have
accrued on the next vesting date had the Participant not died. The proration shall be based upon the number of days accrued in the current vesting period prior to the Participant’s date of death. 

  
 If the Participant’s Survivors wish to exercise the Option, they must
take all necessary steps to exercise the Option within one year after the date of death of such Participant, notwithstanding that the decedent might have been able to exercise the Option as to some or all of the Shares on a later date if he or she
had not died and had continued to be an employee, director or consultant or, if earlier, within the originally prescribed term of the Option. 
  

 13 

 17. EFFECT OF TERMINATION OF SERVICE ON UNACCEPTED STOCK GRANTS. 
  
 In the event of a termination of service (whether as an employee, director
or consultant) with the Company or an Affiliate for any reason before the Participant has accepted a Stock Grant, such offer shall terminate. 
  
 For purposes of this Paragraph 17 and Paragraph 18 below, a Participant to whom a Stock Grant has been offered and accepted under the Plan who is absent
from work with the Company or with an Affiliate because of temporary disability (any disability other than a permanent and total Disability as defined in Paragraph 1 hereof), or who is on leave of absence for any purpose, shall not, during the
period of any such absence, be deemed, by virtue of such absence alone, to have terminated such Participant’s employment, director status or consultancy with the Company or with an Affiliate, except as the Administrator may otherwise expressly
provide. 
  
 In addition, for purposes of this Paragraph 17 and
Paragraph 18 below, any change of employment or other service within or among the Company and any Affiliates shall not be treated as a termination of employment, director status or consultancy so long as the Participant continues to be an employee,
director or consultant of the Company or any Affiliate. 
  
 18. EFFECT ON STOCK GRANTS OF TERMINATION OF SERVICE OTHER THAN FOR CAUSE, DEATH OR DISABILITY. 
  
 Except as otherwise provided in a Participant’s Agreement, in the event of a termination of service (whether as an employee, director or consultant),
other than termination for Cause, Disability, or death for which events there are special rules in Paragraphs 19, 20, and 21, respectively, before all Company rights of repurchase shall have lapsed, then the Company shall have the right to
repurchase that number of Shares subject to a Stock Grant as to which the Company’s repurchase rights have not lapsed. 
  
 19. EFFECT ON STOCK GRANTS OF TERMINATION OF SERVICE FOR CAUSE. 
  
 Except as otherwise provided in a Participant’s Agreement, the following rules apply if the Participant’s service
(whether as an employee, director or consultant) with the Company or an Affiliate is terminated for Cause: 
  

	 	a.	All Shares subject to any Stock Grant shall be immediately subject to repurchase by the Company at the purchase price, if any, thereof. 

  

	 	b.	Cause is not limited to events which have occurred prior to a Participant’s termination of service, nor is it necessary that the Administrator’s finding of Cause occur
prior to termination. If the Administrator determines, subsequent to a Participant’s termination of service, that either prior or subsequent to the 

  

 14 

	 	 
Participant’s termination the Participant engaged in conduct which would constitute Cause, then the Company’s right to repurchase all of such
Participant’s Shares shall apply. 

  
 20. EFFECT ON STOCK GRANTS OF TERMINATION OF SERVICE FOR DISABILITY. 
  
 Except as otherwise provided in a Participant’s Agreement, the following rules apply if a Participant ceases to be an employee, director or
consultant of the Company or of an Affiliate by reason of Disability: to the extent the Company’s rights of repurchase have not lapsed on the date of Disability, they shall be exercisable; provided, however, that in the event such rights of
repurchase lapse periodically, such rights shall lapse to the extent of a pro rata portion of the Shares subject to such Stock Grant through the date of Disability as would have lapsed had the Participant not become Disabled. The proration shall be
based upon the number of days accrued prior to the date of Disability. 
  
 The Administrator shall make the determination both of whether Disability has occurred and the date of its occurrence (unless a procedure for such determination is set forth in another agreement between the Company and such Participant, in
which case such procedure shall be used for such determination). If requested, the Participant shall be examined by a physician selected or approved by the Administrator, the cost of which examination shall be paid for by the Company. 
  
 21. EFFECT ON STOCK GRANTS OF DEATH WHILE AN EMPLOYEE,
DIRECTOR OR CONSULTANT. 
  
 Except as otherwise provided in a
Participant’s Agreement, the following rules apply in the event of the death of a Participant while the Participant is an employee, director or consultant of the Company or of an Affiliate: to the extent the Company’s rights of repurchase
have not lapsed on the date of death, they shall be exercisable; provided, however, that in the event such rights of repurchase lapse periodically, such rights shall lapse to the extent of a pro rata portion of the Shares subject to such Stock Grant
through the date of death as would have lapsed had the Participant not died. The proration shall be based upon the number of days accrued prior to the Participant’s death. 
  
 22. PURCHASE FOR INVESTMENT. 
  
 Unless the offering and sale of the Shares to be issued upon the particular exercise or acceptance of a Stock Right shall
have been effectively registered under the Securities Act of 1933, as now in force or hereafter amended (the “1933 Act”), the Company shall be under no obligation to issue the Shares covered by such exercise unless and until the following
conditions have been fulfilled: 
  

 15 

	 	a.	The person(s) who exercise(s) or accept(s) such Stock Right shall warrant to the Company, prior to the receipt of such Shares, that such person(s) are acquiring such Shares for
their own respective accounts, for investment, and not with a view to, or for sale in connection with, the distribution of any such Shares, in which event the person(s) acquiring such Shares shall be bound by the provisions of the following legend
which shall be endorsed upon the certificate(s) evidencing their Shares issued pursuant to such exercise or such grant: 

  
 “The shares represented by this certificate have been taken for investment and they may not be sold or otherwise transferred by any person,
including a pledgee, unless (1) either (a) a Registration Statement with respect to such shares shall be effective under the Securities Act of 1933, as amended, or (b) the Company shall have received an opinion of counsel satisfactory to it that an
exemption from registration under such Act is then available, and (2) there shall have been compliance with all applicable state securities laws.” 
  

	 	b.	At the discretion of the Administrator, the Company shall have received an opinion of its counsel that the Shares may be issued upon such particular exercise or acceptance in
compliance with the 1933 Act without registration thereunder. 

  
 23. DISSOLUTION OR LIQUIDATION OF THE COMPANY. 
  
 Upon the dissolution or liquidation of the Company, all Options granted under this Plan which as of such date shall not have been exercised and all Stock Grants and Stock-Based Awards which have not been accepted will
terminate and become null and void; provided, however, that if the rights of a Participant or a Participant’s Survivors have not otherwise terminated and expired, the Participant or the Participant’s Survivors will have the right
immediately prior to such dissolution or liquidation to exercise or accept any Stock Right to the extent that the Stock Right is exercisable or subject to acceptance as of the date immediately prior to such dissolution or liquidation. Upon the
dissolution or liquidation of the Company, any outstanding Stock-Based Awards shall immediately terminate unless otherwise determined by the Administrator or specifically provided in the applicable Agreement. 
  
 24. ADJUSTMENTS. 
  
 Upon the occurrence of any of the following events, a Participant’s
rights with respect to any Stock Right granted to him or her hereunder shall be adjusted as hereinafter provided, unless otherwise specifically provided in a Participant’s Agreement: 
  
 A. Stock Dividends and Stock Splits. If (i) the shares of Common
Stock shall be subdivided or combined into a greater or smaller number of shares or if the Company shall issue any shares of Common Stock as a stock dividend on its outstanding Common Stock, or (ii) additional shares or new or different shares or
other securities of the Company or other non-cash 

  

 16 

 
assets are distributed with respect to such shares of Common Stock, the number of shares of Common Stock deliverable upon the exercise of an Option or
acceptance of a Stock Grant may be appropriately increased or decreased proportionately, and appropriate adjustments may be made including, in the purchase price per share, to reflect such events. The number of Shares subject to the limitations in
Paragraphs 3 and 4(c) shall also be proportionately adjusted upon the occurrence of such events. 
  
 B. Change of Control. In the event of a Change of Control, other than a transaction to merely change the state of incorporation of the Company, the
Administrator or the board of directors of any entity assuming the obligations of the Company hereunder (the “Successor Board”), shall, as to outstanding Options, either (i) make appropriate provision for the continuation of such Options
by substituting on an equitable basis for the Shares then subject to such Options either the consideration payable with respect to the outstanding shares of Common Stock in connection with the Change of Control or securities of any successor or
acquiring entity; or (ii) upon written notice to the Participants, provide that all Options must be exercised within a specified number of days of the date of such notice, at the end of which period the Options shall terminate (provided, however,
that all Options shall for purposes of this clause (ii) be made fully vested and exercisable immediately prior to their termination, and further provided, that this clause (ii) shall not be available following a Change in Control under
clause (i) or (iii) of the definition of such term set forth in Section 1 of this Plan, or under clause (ii) of the definition of such term set forth in Section 1 of this Plan if a merger or consolidation is not approved by the Board of Directors);
or (iii) terminate all Options in exchange for a cash payment equal to the excess of the Fair Market Value of the Shares subject to such Options over the exercise price thereof (provided, however, that all Options shall for purposes of this
clause (iii) be made fully vested and exercisable immediately prior to their termination). 
  
 With respect to outstanding Stock Grants, the Administrator or the Successor Board, shall either (i) make appropriate provisions for the continuation of such Stock Grants on the same terms and conditions by
substituting on an equitable basis for the Shares then subject to such Stock Grants either the consideration payable with respect to the outstanding Shares of Common Stock in connection with the Change of Control or securities of any successor or
acquiring entity; or (ii) terminate all Stock Grants in exchange for a cash payment equal to the excess of the Fair Market Value of the Shares subject to such Stock Grants over the purchase price thereof, if any. 
  
 C. Recapitalization or Reorganization. In the event of a
recapitalization or reorganization of the Company, other than a Change of Control pursuant to which securities of the Company or of another corporation are issued with respect to the outstanding shares of Common Stock, a Participant upon exercising
an Option or accepting a Stock Grant after the recapitalization or reorganization shall be entitled to receive for the purchase price paid upon such exercise or acceptance the number of replacement securities which would have been received if such
Option had been exercised or Stock Grant accepted prior to such recapitalization or reorganization. 
  

 17 

 D. Adjustments to Stock-Based Awards. Upon the happening of any of the events described in
Subparagraphs A, B or C above, any outstanding Stock-Based Award shall be appropriately adjusted to reflect the events described in such Subparagraphs. The Administrator or the Successor Board shall determine the specific adjustments to be made
under this Paragraph 24, including, but not limited to the effect if any, of a Change in Control and, subject to Paragraph 4, its determination shall be conclusive. 
  
 E. Modification of ISOs. Notwithstanding the foregoing, any adjustments made pursuant to Subparagraph A, B or C above
with respect to ISOs shall be made only after the Administrator determines whether such adjustments would constitute a “modification” of such ISOs (as that term is defined in Section 424(h) of the Code) or would cause any adverse tax
consequences for the holders of such ISOs. If the Administrator determines that such adjustments made with respect to ISOs would constitute a modification of such ISOs, it may refrain from making such adjustments, unless the holder of an ISO
specifically requests in writing that such adjustment be made and such writing indicates that the holder has full knowledge of the consequences of such “modification” on his or her income tax treatment with respect to the ISO. 

 
 25. ISSUANCES OF SECURITIES. 
  
 Except as expressly provided herein, no issuance by the Company of shares of
stock of any class, or securities convertible into shares of stock of any class, shall affect, and no adjustment by reason thereof shall be made with respect to, the number or price of shares subject to Stock Rights. Except as expressly provided
herein, no adjustments shall be made for dividends paid in cash or in property (including without limitation, securities) of the Company prior to any issuance of Shares pursuant to a Stock Right. 
  

 18 

 26. FRACTIONAL SHARES. 
  
 No fractional shares shall be issued under the Plan and the person
exercising a Stock Right shall receive from the Company cash in lieu of such fractional shares equal to the Fair Market Value thereof. 
  
 27. CONVERSION OF ISOs INTO NON-QUALIFIED OPTIONS; TERMINATION OF ISOs. 
  
 The Administrator, at the written request of any Participant, may in its
discretion take such actions as may be necessary to convert such Participant’s ISOs (or any portions thereof) that have not been exercised on the date of conversion into Non-Qualified Options at any time prior to the expiration of such ISOs,
regardless of whether the Participant is an employee of the Company or an Affiliate at the time of such conversion. At the time of such conversion, the Administrator (with the consent of the Participant) may impose such conditions on the exercise of
the resulting Non-Qualified Options as the Administrator in its discretion may determine, provided that such conditions shall not be inconsistent with this Plan. Nothing in the Plan shall be deemed to give any Participant the right to have such
Participant’s ISOs converted into Non-Qualified Options, and no such conversion shall occur until and unless the Administrator takes appropriate action. The Administrator, with the consent of the Participant, may also terminate any portion of
any ISO that has not been exercised at the time of such conversion. 
  
 28. WITHHOLDING. 
  
 In
the event that any federal, state, or local income taxes, employment taxes, Federal Insurance Contributions Act (“F.I.C.A.”) withholdings or other amounts are required by applicable law or governmental regulation to be withheld from the
Participant’s salary, wages or other remuneration in connection with the exercise or acceptance of a Stock Right or in connection with a Disqualifying Disposition (as defined in Paragraph 29) or upon the lapsing of any right of repurchase, the
Company may withhold from the Participant’s compensation, if any, or may require that the Participant advance in cash to the Company, or to any Affiliate of the Company which employs or employed the Participant, the statutory minimum amount of
such withholdings unless a different withholding arrangement, including the use of shares of the Company’s Common Stock or a promissory note, is authorized by the Administrator (and permitted by law). For purposes hereof, the fair market value
of the shares withheld for purposes of payroll withholding shall be determined in the manner provided in Paragraph 1 above, as of the most recent practicable date prior to the date of exercise. If the fair market value of the shares withheld is less
than the amount of payroll withholdings required, the Participant may be required to advance the difference in cash to the Company or the Affiliate employer. The Administrator in its discretion may condition the exercise of an Option for less than
the then Fair Market Value on the Participant’s payment of such additional withholding. 
  

 19 

 29. NOTICE TO COMPANY OF DISQUALIFYING DISPOSITION. 
  
 Each Employee who receives an ISO must agree to notify the Company in
writing immediately after the Employee makes a Disqualifying Disposition of any shares acquired pursuant to the exercise of an ISO. A Disqualifying Disposition is defined in Section 424(c) of the Code and includes any disposition (including any sale
or gift) of such shares before the later of (a) two years after the date the Employee was granted the ISO, or (b) one year after the date the Employee acquired Shares by exercising the ISO, except as otherwise provided in Section 424(c) of the Code.
If the Employee has died before such stock is sold, these holding period requirements do not apply and no Disqualifying Disposition can occur thereafter. 
  
 30. TERMINATION OF THE PLAN. 
  
 The Plan will terminate on July 15, 2015. The Plan may be terminated at an earlier date by vote of the shareholders or the Board of Directors of
the Company; provided, however, that any such earlier termination shall not affect any Agreements executed prior to the effective date of such termination. 
  
 31. AMENDMENT OF THE PLAN AND AGREEMENTS. 
  
 The Plan may be amended by the shareholders of the Company. The Plan may also be amended by the Administrator, including,
without limitation, to the extent necessary to qualify any or all outstanding Stock Rights granted under the Plan or Stock Rights to be granted under the Plan for favorable federal income tax treatment (including deferral of taxation upon exercise)
as may be afforded incentive stock options under Section 422 of the Code, and to the extent necessary to qualify the shares issuable upon exercise or acceptance of any outstanding Stock Rights granted, or Stock Rights to be granted, under the Plan
for listing on any national securities exchange or quotation in any national automated quotation system of securities dealers. Any amendment approved by the Administrator which the Administrator determines is of a scope that requires shareholder
approval shall be subject to obtaining such shareholder approval. Any modification or amendment of the Plan shall not, without the consent of a Participant, adversely affect his or her rights under a Stock Right previously granted to him or her.
With the consent of the Participant affected, the Administrator may amend outstanding Agreements in a manner which may be adverse to the Participant but which is not inconsistent with the Plan. In the discretion of the Administrator, outstanding
Agreements may be amended by the Administrator in a manner which is not adverse to the Participant. 
  

 20 

 32. EMPLOYMENT OR OTHER RELATIONSHIP. 
  
 Nothing in this Plan or any Agreement shall be deemed to prevent the Company
or an Affiliate from terminating the employment, consultancy or director status of a Participant, nor to prevent a Participant from terminating his or her own employment, consultancy or director status or to give any Participant a right to be
retained in employment or other service by the Company or any Affiliate for any period of time. 
  
 33. GOVERNING LAW. 
  
 This Plan shall be construed and enforced in accordance with the law of the State of Delaware. 
  

 21

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