Document:

EX-10.10

 Exhibit 10.10 

RESTRICTED STOCK UNIT AWARD AGREEMENT 

FOR NON-EMPLOYEE DIRECTORS 

UNDER THE PRAXIS PRECISION MEDICINES, INC. 

2020 STOCK OPTION AND INCENTIVE PLAN 
  

			
	Name of Grantee:	 	                                      
                                         
                                         
        
		
	No. of Restricted Stock Units:	 	                                      
          
		
	Grant Date:	 	                                      
          

 Pursuant to the Praxis Precision Medicines, Inc. 2020 Stock Option and Incentive Plan, as amended through the
date hereof (the “Plan”), Praxis Precision Medicines, 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 continues to have a Service Relationship (as defined in the Plan) on such Vesting 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	 
	 _____________ (___%)
	  	 	_____________	 
	 _____________ (___%)
	  	 	_____________	 
	 _____________ (___%)
	  	 	_____________	 
	 _____________ (___%)
	  	 	_____________	 

 Notwithstanding anything to the contrary herein or in the Plan, all outstanding Restricted Stock Units shall
become fully vested and nonforfeitable upon a Sale Event. The Administrator may at any time accelerate the vesting schedule specified in this Paragraph 2. 

 3. Termination of Service Relationship. 

(a) Termination Due to Death. If the Grantee’s Service Relationship terminates by reason of the Grantee’s death, any portion
of this Award outstanding on such date shall become fully vested and nonforfeitable. 
 (b) Termination Due to Disability. If the
Grantee’s Service Relationship terminates by reason of the Grantee’s Disability, any portion of this Award outstanding on such date shall become fully vested and nonforfeitable. For purposes hereof, “Disability” shall mean the
Grantee’s physical or mental condition that renders the Grantee unable to substantially perform for a period of 90 aggregate days (regardless of whether or not continuous) during any 360 day period, Grantee’s regular responsibilities to
the Company, with or without a reasonable accommodation. 
 4. Other Termination. If the Grantee’s Service Relationship
terminates for any reason other than by reason of the Grantee’s 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. 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 Non-Employee Director. Neither the Plan nor
this Award confers upon the Grantee any rights with respect to continuance as a Non-Employee 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 

  
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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. 
 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. 
  

			
	PRAXIS PRECISION MEDICINES, 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-10.11

 Exhibit 10.11 

PRAXIS PRECISION MEDICINES, INC. 

2020 EMPLOYEE STOCK PURCHASE PLAN 

The purpose of the Praxis Precision Medicines, Inc. 2020 Employee Stock Purchase Plan (the “Plan”) is to provide eligible employees
of Praxis Precision Medicines, 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”). An aggregate of 327,102 shares of Common Stock have been approved and reserved for this purpose, plus on January 1, 2021, and each January 1 thereafter through January 1, 2030, the number of shares of Common Stock
reserved and available for issuance under the Plan shall be cumulatively increased by the least of (i) one percent (1%) of the number of shares of Common Stock issued and outstanding on the immediately preceding December 31st, (ii) 327,102
shares of Common Stock or (iii) such number of shares of Common Stock as 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 may 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 May 1 and November 1 and will end on the last
business day occurring on or before the following October 31 and April 30 respectively. The Administrator may, in its discretion, designate a different period for any Offering, provided that no Offering shall exceed one year 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. 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 

  
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ineligible for participation. 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. 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). 

(b) Enrollment. The enrollment form will (a) state a whole percentage 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 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 percentage of Compensation for future Offerings, provided he or she remains eligible. 

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

  
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 5. Employee Contributions. Each eligible employee may authorize payroll deductions at
a minimum of one (1) percent up to a maximum of fifteen (15) 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 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 fifteen (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. 

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 

  
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payroll deductions on such Exercise Date by the Option Price (as defined herein), (b) the number of shares determined by dividing $25,000 by the Fair Market Value of the Common Stock on the
Offering Date for such Offering; 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 five (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
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. 

  
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 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. 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 or book-entries at the Company’s transfer agent 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. 
 11. Definitions. 

The term “Compensation” means the regular or basic rate of compensation. 

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 current list of Designated Subsidiaries is
attached hereto as Appendix A. 

  
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 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”),
the Nasdaq Global Market, The New York Stock Exchange 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. 
 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 General Corporation Law of the State of Delaware as to matters within the scope thereof, and as to all other matters shall be governed by
and construed in accordance with the internal laws of the Commonwealth of Massachusetts, 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. This Plan shall become effective upon the date immediately preceding the date upon which the registration statement
on Form S-1 that is filed by the Company with respect to its initial public offering is declared effective by the Securities and Exchange Commission following stockholder approval in accordance with applicable
state law, the Company’s bylaws and articles of incorporation, each as amended, and applicable stock exchange rules. 

  
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 APPENDIX A 

Designated Subsidiaries 
 None 

  
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