[Form 4] CRISPR Therapeutics AG Insider Trading Activity

Rhea-AI Filing Summary

CRISPR Therapeutics AG (CRSP) reported an insider equity award. The company’s Chief Medical Officer received a stock option covering 16,500 common shares with an exercise price of $67.74 on October 3, 2025. The option expires on October 3, 2035.

The award vests in 48 equal monthly installments, beginning November 3, 2025. Following the grant, 16,500 derivative securities were beneficially owned, shown as Direct (D) ownership.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Patel Naimish

Role Chief Medical Officer

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (Right to Buy)	16,500	$0.00	--

Holdings After Transaction: Stock Option (Right to Buy) — 16,500 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

SEC 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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Patel Naimish

(Last) (First) (Middle)

C/O CRISPR THERAPEUTICS

105 WEST FIRST STREET

(Street)

BOSTON MA 02127

(City) (State) (Zip)

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 Medical Officer

3. Date of Earliest Transaction (Month/Day/Year)
10/03/2025

4. If Amendment, Date of 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

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

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	$67.74	10/03/2025		A		16,500		(1)	10/03/2035	Common Shares	16,500	$0.00	16,500	D

Explanation of Responses:

1. This option was granted on October 3, 2025 with respect to 16,500 Common Shares. 100% of the shares will vest in 48 equal monthly installments, with the first vesting date of November 3, 2025.

	/s/ Elizabeth Ryland Waldinger, attorney-in-fact	10/03/2025
	** 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.

FAQ

What did CRISPR Therapeutics (CRSP) disclose in this Form 4?

A stock option grant to the Chief Medical Officer for 16,500 common shares at an exercise price of $67.74.

What is the vesting schedule for the CRSP option grant?

The option vests in 48 equal monthly installments, starting on November 3, 2025.

When does the reported CRSP stock option expire?

The option expires on October 3, 2035.

How many derivative securities were beneficially owned after the transaction?

16,500 derivative securities were beneficially owned following the reported transaction.

What is the ownership form for the reported CRSP securities?

The ownership is reported as Direct (D).

What role does the reporting person hold at CRISPR Therapeutics (CRSP)?

The reporting person is the company’s Chief Medical Officer.