SEC FORM 4

SEC FORM 4SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Prasad Raju

(Last)

(First)

(Middle)

C/O CRISPR THERAPEUTICS

105 WEST FIRST STREET

(Street)

BOSTON

MASSACHUSETTS

02127

(City)

(State)

(Zip)

UNITED STATES

(Country)

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)
	Chief Financial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/20/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Shares	03/20/2026		M⁽¹⁾		6,250	A	⁽²⁾	19,273	D
Common Shares	03/23/2026		S		3,708⁽³⁾	D	$46.78	15,565	D

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 Securities Underlying Derivative Security (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: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Stock Option (Right to Buy)	$46.24	03/20/2026		A⁽¹⁾		38,499		⁽⁴⁾	03/20/2036	Common Shares	38,499	$0.00	38,499	D
Restricted Stock Units	⁽²⁾	03/20/2026		A⁽¹⁾		27,500		⁽⁵⁾	⁽⁵⁾	Common Shares	27,500	$0.00	27,500	D
Restricted Stock Units	⁽²⁾	03/20/2026		M⁽¹⁾			6,250	⁽⁶⁾	⁽⁶⁾	Common Shares	6,250	⁽²⁾	12,500	D

Explanation of Responses:

1. These shares remain subject to a lock-up agreement with the underwriters of the Issuer's offering of convertible senior notes due 2031.

2. Each restricted stock unit represents a contingent right to receive one share of CRSP Common Shares.

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 option was granted on March 20, 2026 with respect to 38,499 Common Shares. 100% of the shares will vest in 48 equal monthly installments, with the first vesting date of April 20, 2026.

5. This restricted stock unit award was granted on March 20, 2026 with respect to 27,500 Common Shares, with (i) one quarter of the shares vesting on March 20, 2027 , (ii) one quarter of the shares vesting on March 20, 2028, (iii) one quarter of the shares vesting on March 20, 2029, and (iv) one quarter of the shares vesting on March 20, 2030.

6. This restricted stock unit award was granted on March 20, 2024 with respect to 25,000 Common Shares, with (i) one quarter of the shares vesting on March 20, 2025, (ii) one quarter of the shares vesting on March 20, 2026, (iii) one quarter of the shares vesting on March 20, 2027, and (iv) one quarter of the shares vesting on March 20, 2028.

	Elizabeth Ryland Waldinger, attorney-in-fact	03/24/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

SEC Form 4 filed by Prasad Raju