Jeffrey D. Marrazzo - 19 May 2025 Form 4 Insider Report for Prime Medicine, Inc. (PRME)

Role
Director
Signature
/s/ Ryan Brown, attorney-in-fact
Issuer symbol
PRME
Transactions as of
19 May 2025
Net transactions value
$0
Form type
4
Filing time
19 May 2025, 19:45:33 UTC
Previous filing
14 Jun 2024
Next filing
05 Jun 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Marrazzo Jeffrey D Director C/O PRIME MEDICINE, INC., 60 FIRST STREET, CAMBRIDGE /s/ Ryan Brown, attorney-in-fact 19 May 2025 0001631262

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction PRME Stock Option (right to buy) Award $0 +800,000 $0.000000 800,000 19 May 2025 Common Stock 800,000 $1.34 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 500,000 of the shares underlying this option shall vest and become exercisable in twenty-four (24) equal monthly installments over a two-year period commencing from May 19, 2025; 300,000 of the shares underlying this option shall vest and become exercisable in three equal installments based on the Issuer's satisfaction of certain performance criteria tied to stock price, in each case subject to the Reporting Person's continued service on each such vesting date.

Remarks:

Exhibit 24 - Power of Attorney