Document:

EX-10.8

 Exhibit 10.8 

RESTRICTED STOCK UNIT AWARD AGREEMENT 

FOR NON-EMPLOYEE DIRECTORS 

UNDER THE SURFACE ONCOLOGY, INC. 

2018 STOCK OPTION AND INCENTIVE PLAN 
 Name
of
Grantee:                                       
                                         
                                         
     
 No. of Restricted Stock
Units:                                        
              
 Grant
Date:                                        
                                         
  
 Pursuant to the Surface Oncology, Inc. 2018 Stock Option and Incentive Plan as amended through the date hereof (the
“Plan”), Surface Oncology, Inc. (the “Company”) hereby grants an award of the number of Restricted Stock Units listed above (an “Award”) to the Grantee named above. Each Restricted Stock Unit shall relate to one share
of Common Stock, par value $0.0001 per share (the “Stock”) of the Company. 
 1. Restrictions on Transfer of Award. This
Award may not be sold, transferred, pledged, assigned or otherwise encumbered or disposed of by the Grantee, and any shares of Stock issuable with respect to the Award may not be sold, transferred, pledged, assigned or otherwise encumbered or
disposed of until (i) the Restricted Stock Units have vested as provided in Paragraph 2 of this Agreement and (ii) shares of Stock have been issued to the Grantee in accordance with the terms of the Plan and this Agreement. 

2. Vesting of Restricted Stock Units. The restrictions and conditions of Paragraph 1 of this Agreement shall lapse on the Vesting
Date or Dates specified in the following schedule so long as the Grantee remains in service as a member of the Board on such Dates. If a series of Vesting Dates is specified, then the restrictions and conditions in Paragraph 1 shall lapse only
with respect to the number of Restricted Stock Units specified as vested on such date. 
  

							
	 	 	 Incremental Number of

Restricted Stock Units Vested
	  	 Vesting Date
	  	 
	 	 	_____________ (___%)	  	  
	  	 
	 	 	_____________ (___%)	  	  
	  	 
	 	 	_____________ (___%)	  	  
	  	 
	 	 	_____________ (___%)	  	  
	  	 

 The Administrator may at any time accelerate the vesting schedule specified in this Paragraph 2.

 3. Termination of Service. If the Grantee’s service with the Company and its Subsidiaries terminates for any reason
(including death or disability) prior to the satisfaction of the vesting conditions set forth in Paragraph 2 above, any Restricted Stock Units that have not vested as of such date shall automatically and without notice terminate and be forfeited,
and neither the Grantee nor any of his or her successors, heirs, assigns, or personal representatives will thereafter have any further rights or interests in such unvested Restricted Stock Units. 

 4. Issuance of Shares of Stock. As soon as practicable following each Vesting Date (but in
no event later than two and one-half months after the end of the year in which the Vesting Date occurs), the Company shall issue to the Grantee the number of shares of Stock equal to the aggregate number of
Restricted Stock Units that have vested pursuant to Paragraph 2 of this Agreement on such date and the Grantee shall thereafter have all the rights of a stockholder of the Company with respect to such shares. 

5. Incorporation of Plan. Notwithstanding anything herein to the contrary, this Agreement shall be subject to and governed by all the
terms and conditions of the Plan, including the powers of the Administrator set forth in Section 2(b) of the Plan. Capitalized terms in this Agreement shall have the meaning specified in the Plan, unless a different meaning is specified herein.

 6. Section 409A of the Code. This Agreement shall be interpreted in such a manner that all provisions relating to the settlement
of the Award are exempt from the requirements of Section 409A of the Code as “short-term deferrals” as described in Section 409A of the Code. 

7. No Obligation to Continue as a Director. Neither the Plan nor this Award confers upon the Grantee any rights with respect to
continuance as a Director. 
 8. Integration. This Agreement constitutes the entire agreement between the parties with respect to
this Award and supersedes all prior agreements and discussions between the parties concerning such subject matter. 
 9. Data Privacy
Consent. In order to administer the Plan and this Agreement and to implement or structure future equity grants, the Company, its subsidiaries and affiliates and certain agents thereof (together, the “Relevant Companies”) may process
any and all personal or professional data, including but not limited to Social Security or other identification number, home address and telephone number, date of birth and other information that is necessary or desirable for the administration of
the Plan and/or this Agreement (the “Relevant Information”). By entering into this Agreement, the Grantee (i) authorizes the Company to collect, process, register and transfer to the Relevant Companies all Relevant Information;
(ii) waives any privacy rights the Grantee may have with respect to the Relevant Information; (iii) authorizes the Relevant Companies to store and transmit such information in electronic form; and (iv) authorizes the transfer of the
Relevant Information to any jurisdiction in which the Relevant Companies consider appropriate. The Grantee shall have access to, and the right to change, the Relevant Information. Relevant Information will only be used in accordance with applicable
law. 

  
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 10. Notices. Notices hereunder shall be mailed or delivered to the Company at its
principal place of business and shall be mailed or delivered to the Grantee at the address on file with the Company or, in either case, at such other address as one party may subsequently furnish to the other party in writing. 

 

			
	SURFACE ONCOLOGY, INC.
		
	By:	 	 
		 	Title:

 The foregoing Agreement is hereby accepted and the terms and conditions thereof hereby agreed to by the undersigned.
Electronic acceptance of this Agreement pursuant to the Company’s instructions to the Grantee (including through an online acceptance process) is acceptable. 
  

							
	Dated:    	  	 	  		 	 
		  		  		 	Grantee’s Signature
				
		  		  		 	Grantee’s name and address:
				
		  		  		 	 
				
		  		  		 	 
				
		  		  		 	 

  
 3EX-10.9

 Exhibit 10.9 

SURFACE ONCOLOGY, INC. 

2018 EMPLOYEE STOCK PURCHASE PLAN 

The purpose of the Surface Oncology, Inc. 2018 Employee Stock Purchase Plan (“the Plan”) is to provide eligible employees of Surface
Oncology, Inc. (the “Company”) and each Designated Subsidiary (as defined in Section 11) with opportunities to purchase shares of the Company’s common stock, par value $0.0001 per share (the “Common Stock”). 565,000
shares of Common Stock in the aggregate have been approved and reserved for this purpose. In addition, on January 1, 2019 and each January 1 thereafter through January 1, 2028, the number of shares of Common Stock reserved and
available for issuance under the Plan shall be cumulatively increased by the lesser of (i) one percent of the number of shares of Common Stock issued and outstanding on the immediately preceding December 31 and (ii) such lesser number
of shares of Common Stock determined by the Administrator. The Plan is intended to constitute an “employee stock purchase plan” within the meaning of Section 423(b) of the Internal Revenue Code of 1986, as amended (the
“Code”), and shall be interpreted in accordance with that intent. 
 1. Administration. The Plan will be administered by
the person or persons (the “Administrator”) appointed by the Company’s Board of Directors (the “Board”) for such purpose. The Administrator has authority at any time to: (i) adopt, alter and repeal such rules,
guidelines and practices for the administration of the Plan and for its own acts and proceedings as it shall deem advisable; (ii) interpret the terms and provisions of the Plan; (iii) make all determinations it deems advisable for the
administration of the Plan; (iv) decide all disputes arising in connection with the Plan; and (v) otherwise supervise the administration of the Plan. All interpretations and decisions of the Administrator shall be binding on all persons,
including the Company and the Participants. No member of the Board or individual exercising administrative authority with respect to the Plan shall be liable for any action or determination made in good faith with respect to the Plan or any option
granted hereunder. 

 2. Offerings. The Company will make one or more offerings to eligible employees to
purchase Common Stock under the Plan (“Offerings”). Unless otherwise determined by the Administrator, an Offering will begin on the first business day occurring on or after each January 1 and July 1 and will end on the last
business day occurring on or before the following June 30 and December 31, respectively. The Administrator may, in its discretion, designate a different period for any Offering, provided that no Offering shall exceed six months in duration
or overlap any other Offering. 
 3. Eligibility. All individuals classified as employees on the payroll records of the Company and
each Designated Subsidiary are eligible to participate in any one or more of the Offerings under the Plan, provided that as of the first day of the applicable Offering (the “Offering Date”) they are customarily employed by the Company or a
Designated Subsidiary for more than 20 hours a week and have completed at least 30 days of employment. Notwithstanding any other provision herein, individuals who are not contemporaneously classified as employees of the Company or a Designated
Subsidiary for purposes of the Company’s or applicable Designated Subsidiary’s payroll system are not considered to be eligible employees of the Company or any Designated Subsidiary and shall not be eligible to participate in the Plan. In
the event any such individuals are reclassified as employees of the Company or a Designated Subsidiary for any purpose, including, without limitation, common law or statutory employees, by any action of any third party, including, without
limitation, any government agency, or as a result of any private lawsuit, action or administrative proceeding, such individuals shall, notwithstanding such reclassification, remain ineligible for participation.

  
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Notwithstanding the foregoing, the exclusive means for individuals who are not contemporaneously classified as employees of the Company or a Designated Subsidiary on the Company’s or
Designated Subsidiary’s payroll system to become eligible to participate in this Plan is through an amendment to this Plan, duly executed by the Company, which specifically renders such individuals eligible to participate herein. 

4. Participation. 
 (a)
Participants on Effective Date. Each eligible employee at the time of the Initial Public Offering shall be deemed to be a Participant at such time. If an eligible employee is deemed to be a Participant pursuant to this Section 4(a), such
individual shall be deemed not to have authorized payroll deductions and shall not purchase any Common Stock hereunder unless he or she thereafter authorizes payroll deductions by submitting an enrollment form (in the manner described in
Section 4(c)) within 60 days of the commencement of the Initial Offering. If such a Participant does not authorize payroll deductions by submitting an enrollment form by the end of the Initial Offering, that Participant will be deemed to have
withdrawn from the Plan. 
 (b) Participants in Subsequent Offerings. An eligible employee who is not a Participant in any prior
Offering may participate in a subsequent Offering by submitting an enrollment form to his or her appropriate payroll location at least 15 business days before the Offering Date (or by such other deadline as shall be established by the Administrator
for the Offering). 
 (c) Enrollment. The enrollment form will (a) state fifteen percent to be deducted from an eligible
employee’s Compensation (as defined in Section 11) per pay period, (b) authorize the purchase of Common Stock in each Offering in accordance with the terms of the Plan and (c) specify the exact name or names in which shares of
Common Stock purchased 

  
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for such individual are to be issued pursuant to Section 10. An employee who does not enroll in accordance with these procedures will be deemed to have waived the right to participate.
Unless a Participant files a new enrollment form or withdraws from the Plan, such Participant’s deductions and purchases will continue at the same fifteen percent of Compensation for future Offerings, provided he or she remains eligible. 

(d) Notwithstanding the foregoing, participation in the Plan will neither be permitted nor be denied contrary to the requirements of the Code.

 5. Employee Contributions. Each eligible employee may authorize payroll deductions at a minimum of 1 percent up to a maximum
of 10 percent of such employee’s Compensation for each pay period. The Company will maintain book accounts showing the amount of payroll deductions made by each Participant for each Offering. No interest will accrue or be paid on payroll
deductions. 
 6. Deduction Changes. Except in the event of a Participant increasing his or her payroll deduction from 0 percent
during the first Offering as specified in Section 4(a) or as may be determined by the Administrator in advance of an Offering, a Participant may not increase or decrease his or her payroll deduction during any Offering, but may increase or
decrease his or her payroll deduction with respect to the next Offering (subject to the limitations of Section 5) by filing a new enrollment form at least 15 business days before the next Offering Date (or by such other deadline as shall be
established by the Administrator for the Offering). The Administrator may, in advance of any Offering, establish rules permitting a Participant to increase, decrease or terminate his or her payroll deduction during an Offering. 

  
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 7. Withdrawal. A Participant may withdraw from participation in the Plan by delivering a
written notice of withdrawal to his or her appropriate payroll location. The Participant’s withdrawal will be effective as of the next business day. Following a Participant’s withdrawal, the Company will promptly refund such
individual’s entire account balance under the Plan to him or her (after payment for any Common Stock purchased before the effective date of withdrawal). Partial withdrawals are not permitted. Such an employee may not begin participation again
during the remainder of the Offering, but may enroll in a subsequent Offering in accordance with Section 4. 
 8. Grant of
Options. On each Offering Date, the Company will grant to each eligible employee who is then a Participant in the Plan an option (“Option”) to purchase on the last day of such Offering (the “Exercise Date”), at the Option
Price hereinafter provided for, the lowest of (a) a number of shares of Common Stock determined by dividing such Participant’s accumulated payroll deductions on such Exercise Date by Alternative A: the lower of (i) 85 percent of
the Fair Market Value of the Common Stock on the Offering Date, or (ii) 85 percent of the Fair Market Value of the Common Stock on the Exercise Date, (b) 5,000 shares; or (c) such other lesser maximum number of shares as shall
have been established by the Administrator in advance of the Offering; provided, however, that such Option shall be subject to the limitations set forth below. Each Participant’s Option shall be exercisable only to the extent of such
Participant’s accumulated payroll deductions on the Exercise Date. The purchase price for each share purchased under each Option (the “Option Price”) will be 85 percent of the Fair Market Value of the Common Stock on the Offering
Date or the Exercise Date, whichever is less. 
 Notwithstanding the foregoing, no Participant may be granted an option hereunder if such
Participant, immediately after the option was granted, would be treated as owning stock possessing 5 percent or more of the total combined voting power or value of all classes of stock of the Company or any Parent or Subsidiary (as defined in
Section 11). For purposes of the 

  
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preceding sentence, the attribution rules of Section 424(d) of the Code shall apply in determining the stock ownership of a Participant, and all stock which the Participant has a contractual
right to purchase shall be treated as stock owned by the Participant. In addition, no Participant may be granted an Option which permits his or her rights to purchase stock under the Plan, and any other employee stock purchase plan of the Company
and its Parents and Subsidiaries, to accrue at a rate which exceeds $25,000 of the fair market value of such stock (determined on the option grant date or dates) for each calendar year in which the Option is outstanding at any time. The purpose of
the limitation in the preceding sentence is to comply with Section 423(b)(8) of the Code and shall be applied taking Options into account in the order in which they were granted. 

9. Exercise of Option and Purchase of Shares. Each employee who continues to be a Participant in the Plan on the Exercise Date shall be
deemed to have exercised his or her Option on such date and shall acquire from the Company such number of whole shares of Common Stock reserved for the purpose of the Plan as his or her accumulated payroll deductions on such date will purchase at
the Option Price, subject to any other limitations contained in the Plan; provided that, with respect to the Initial Offering, the exercise of each Option shall be conditioned on the closing of the Company’s Initial Public Offering on or before
the Exercise Date. Any amount remaining in a Participant’s account at the end of an Offering solely by reason of the inability to purchase a fractional share will be carried forward to the next Offering; any other balance remaining in a
Participant’s account at the end of an Offering will be refunded to the Participant promptly. 
 10. Issuance of Certificates.
Certificates representing shares of Common Stock purchased under the Plan may be issued only in the name of the employee, in the name of the employee and another person of legal age as joint tenants with rights of survivorship, or in the name of a
broker authorized by the employee to be his, her or their, nominee for such purpose. 

  
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 11. Definitions. 

The term “Compensation” means the amount of base pay, prior to salary reduction pursuant to Sections 125, 132(f) or 401(k) of
the Code, but excluding overtime, commissions, incentive or bonus awards, allowances and reimbursements for expenses such as relocation allowances or travel expenses, income or gains on the exercise of Company stock options, and similar items. 

The term “Designated Subsidiary” means any present or future Subsidiary (as defined below) that has been designated by the Board to
participate in the Plan. The Board may so designate any Subsidiary, or revoke any such designation, at any time and from time to time, either before or after the Plan is approved by the stockholders. 

The term “Fair Market Value of the Common Stock” on any given date means the fair market value of the Common Stock determined in
good faith by the Administrator; provided, however, that if the Common Stock is admitted to quotation on the National Association of Securities Dealers Automated Quotation System (“NASDAQ”), NASDAQ Global Market or another national
securities exchange, the determination shall be made by reference to the closing price on such date. If there is no closing price for such date, the determination shall be made by reference to the last date preceding such date for which there is a
closing price. Notwithstanding the foregoing, if the date for which Fair Market Value of the Common Stock is determined is the first day when trading prices for the Common Stock are reported on NASDAQ or another national securities exchange, the
Fair Market Value of the Common Stock shall be the “Price to the Public” (or equivalent) set forth on the cover page for the final prospectus relating to the Company’s Initial Public Offering. 

  
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 The term “Initial Public Offering” means the first underwritten, firm commitment public
offering pursuant to an effective registration statement under the Securities Act of 1933, as amended, covering the offer and sale by the Company of its Common Stock. 

The term “Parent” means a “parent corporation” with respect to the Company, as defined in Section 424(e) of the Code.

 The term “Participant” means an individual who is eligible as determined in Section 3 and who has complied with the
provisions of Section 4. 
 The term “Subsidiary” means a “subsidiary corporation” with respect to the Company, as
defined in Section 424(f) of the Code. 
 12. Rights on Termination of Employment. If a Participant’s employment terminates
for any reason before the Exercise Date for any Offering, no payroll deduction will be taken from any pay due and owing to the Participant and the balance in the Participant’s account will be paid to such Participant or, in the case of such
Participant’s death, to his or her designated beneficiary as if such Participant had withdrawn from the Plan under Section 7. An employee will be deemed to have terminated employment, for this purpose, if the corporation that employs him
or her, having been a Designated Subsidiary, ceases to be a Subsidiary, or if the employee is transferred to any corporation other than the Company or a Designated Subsidiary. An employee will not be deemed to have terminated employment for this
purpose, if the employee is on an approved leave of absence for military service or sickness or for any other purpose approved by the Company, if the employee’s right to reemployment is guaranteed either by a statute or by contract or under the
policy pursuant to which the leave of absence was granted or if the Administrator otherwise provides in writing. 

  
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 13. Special Rules. Notwithstanding anything herein to the contrary, the Administrator may
adopt special rules applicable to the employees of a particular Designated Subsidiary, whenever the Administrator determines that such rules are necessary or appropriate for the implementation of the Plan in a jurisdiction where such Designated
Subsidiary has employees; provided that such rules are consistent with the requirements of Section 423(b) of the Code. Any special rules established pursuant to this Section 13 shall, to the extent possible, result in the employees subject
to such rules having substantially the same rights as other Participants in the Plan. 
 14. Optionees Not Stockholders. Neither the
granting of an Option to a Participant nor the deductions from his or her pay shall constitute such Participant a holder of the shares of Common Stock covered by an Option under the Plan until such shares have been purchased by and issued to him or
her. 
 15. Rights Not Transferable. Rights under the Plan are not transferable by a Participant other than by will or the laws of
descent and distribution, and are exercisable during the Participant’s lifetime only by the Participant. 
 16. Application of
Funds. All funds received or held by the Company under the Plan may be combined with other corporate funds and may be used for any corporate purpose. 

17. Adjustment in Case of Changes Affecting Common Stock. In the event of a subdivision of outstanding shares of Common Stock, the
payment of a dividend in Common Stock or any other change affecting the Common Stock, the number of shares approved for the Plan and the share limitation set forth in Section 8 shall be equitably or proportionately adjusted to give proper
effect to such event. 

  
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 18. Amendment of the Plan. The Board may at any time and from time to time amend the Plan
in any respect, except that without the approval within 12 months of such Board action by the stockholders, no amendment shall be made increasing the number of shares approved for the Plan or making any other change that would require stockholder
approval in order for the Plan, as amended, to qualify as an “employee stock purchase plan” under Section 423(b) of the Code. 

19. Insufficient Shares. If the total number of shares of Common Stock that would otherwise be purchased on any Exercise Date plus the
number of shares purchased under previous Offerings under the Plan exceeds the maximum number of shares issuable under the Plan, the shares then available shall be apportioned among Participants in proportion to the amount of payroll deductions
accumulated on behalf of each Participant that would otherwise be used to purchase Common Stock on such Exercise Date. 
 20. Termination
of the Plan. The Plan may be terminated at any time by the Board. Upon termination of the Plan, all amounts in the accounts of Participants shall be promptly refunded. 

21. Governmental Regulations. The Company’s obligation to sell and deliver Common Stock under the Plan is subject to obtaining all
governmental approvals required in connection with the authorization, issuance, or sale of such stock. 
 22. Governing Law. This
Plan and all Options and actions taken thereunder shall be governed by, and construed in accordance with, the laws of the State of Delaware, applied without regard to conflict of law principles. 

  
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 23. Issuance of Shares. Shares may be issued upon exercise of an Option from authorized
but unissued Common Stock, from shares held in the treasury of the Company, or from any other proper source. 
 24. Tax Withholding.
Participation in the Plan is subject to any minimum required tax withholding on income of the Participant in connection with the Plan. Each Participant agrees, by entering the Plan, that the Company and its Subsidiaries shall have the right to
deduct any such taxes from any payment of any kind otherwise due to the Participant, including shares issuable under the Plan. 
 25.
Notification Upon Sale of Shares. Each Participant agrees, by entering the Plan, to give the Company prompt notice of any disposition of shares purchased under the Plan where such disposition occurs within two years after the date of grant of
the Option pursuant to which such shares were purchased or within one year after the date such shares were purchased. 
 26. Effective
Date and Approval of Shareholders. The Plan shall take effect on the date of the Company’s Initial Public Offering, subject to approval by the holders of a majority of the votes cast at a meeting of the stockholders at which a quorum is
present or by written consent of the stockholders. 
  

			
	DATE APPROVED BY BOARD OF DIRECTORS:	  	March 14, 2018

 DATE APPROVED BY STOCKHOLDERS: 

  
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