FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
KASINGER JAMES R.
  2. Issuer Name and Ticker or Trading Symbol
CRISPR Therapeutics AG [CRSP] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
General Counsel and Secretary
(Last)
(First)
(Middle)
C/O CRISPR THERAPEUTICS, 105 WEST FIRST STREET		 3. Date of Earliest Transaction (Month/Day/Year)
02/18/2024
(Street)

BOSTON, MA 02127		 4. If Amendment, Date Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8) 		4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4) 		6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4) 		7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Shares 02/18/2024   M   3,825 A (1) 59,284 (2) D  
Common Shares 02/20/2024   S   1,913 (3) D $ 79.67 57,371 D  

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8) 		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5) 		6. Date Exercisable and Expiration Date
(Month/Day/Year) 		7. Title and Amount of Underlying Securities
(Instr. 3 and 4) 		8. Price of Derivative Security
(Instr. 5) 		9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4) 		10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4) 		11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Units (1) 02/18/2024   M     3,825   (4)   (4) Common Shares 3,825 (1) 7,650 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
KASINGER JAMES R.
C/O CRISPR THERAPEUTICS
105 WEST FIRST STREET
BOSTON, MA 02127		       General Counsel and Secretary  

Signatures

 /s/ AJ Silver, attorney-in-fact   02/21/2024
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Each restricted stock unit represents a contingent right to receive one share of CRSP Common Shares.
(2) Includes 615 shares acquired under the CRISPR Therapeutics AG 2016 Employee Stock Purchase Plan.
(3) Amount reported represents the number of shares required to be sold by the reporting person to cover the tax withholding obligation in connection with the vesting of these restricted stock units. This sale is mandated by the Company's RSU Settlement Policy to fund the tax withholding obligation and does not represent a discretionary trade by the reporting person.
(4) This restricted stock unit award was granted on February 18, 2022 with respect to 15,300 Common Shares, with (i) one quarter of the shares vesting on February 18, 2023, (ii) one quarter of the shares vesting on February 18, 2024, (iii) one quarter of the shares vesting on February 18, 2025, and (iv) one quarter of the shares vesting on February 18, 2026.

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