[Form 4] PepGen Inc. Insider Trading Activity

Rhea-AI Filing Summary

PepGen Inc. executive Paul Streck, EVP and Head of R&D, reported awards of equity-based compensation. He received stock options covering 196,500 shares at an exercise price of $0.00 per share and 50,300 shares of common stock in the form of restricted stock units. The RSUs vest in equal annual installments over four years starting on March 1, 2027, while the option vests 25% on the one-year anniversary of the grant date and the remaining 75% in 36 equal monthly installments, in each case conditioned on continued service.

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

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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^*

STRECK PAUL

(Last) (First) (Middle)

C/O PEPGEN INC.

321 HARRISON AVE., 8TH FL

(Street)

BOSTON MA 02118

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
PepGen Inc. [ PEPG ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, Head of R&D

3. Date of Earliest Transaction (Month/Day/Year)
03/01/2026

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
Common Stock	03/01/2026		A		50,300(1)	A	$0	78,105	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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	$6.22	03/01/2026		A		196,500		(2)	02/29/2036	Common Stock	196,500	$0	196,500	D

Explanation of Responses:

1. Consists of 50,300 restricted stock units ("RSUs"), each representing the contingent right to receive one share of Common Stock upon vesting. The RSUs vest in equal annual installments over four years, with the first installment vesting on March 1, 2027, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

2. This option shall vest and become exercisable as follows: 25% of the shares on the one-year anniversary of the Grant Date, with the remaining 75% vesting and becoming exercisable in 36 equal monthly installments thereafter, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

	/s/ Noel Donnelly, as attorney-in-fact	03/02/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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