Allan Reine - 08 May 2025 Form 4 Insider Report for Prime Medicine, Inc. (PRME)

Signature
/s/ Ryan Brown, attorney-in-fact
Issuer symbol
PRME
Transactions as of
08 May 2025
Net transactions value
$0
Form type
4
Filing time
12 May 2025, 16:50:55 UTC
Previous filing
03 Mar 2025
Next filing
19 May 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Reine Allan Chief Financial Officer C/O PRIME MEDICINE, INC., 60 FIRST STREET, CAMBRIDGE /s/ Ryan Brown, attorney-in-fact 12 May 2025 0001714023

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 +75,000 +9.7% $0.000000 850,000 08 May 2025 Common Stock 75,000 $6.80 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents an option initially granted to the Reporting Person on January 17, 2024, a portion of which shares underlying this option shall vest upon the achievement of certain performance milestones. On May 8, 2025, the board of directors of the Issuer determined that one of the performance milestone conditions was achieved, resulting in the vesting of 75,000 shares.

Remarks:

Exhibit 24 - Power of Attorney