Thomas Cahill - 04 Jun 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
04 Jun 2025
Net transactions value
$0
Form type
4
Filing time
05 Jun 2025, 18:11:37 UTC
Previous filing
14 Jun 2024
Next filing
05 Aug 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Cahill Thomas Director C/O PRIME MEDICINE, INC., 60 FIRST STREET, CAMBRIDGE /s/ Ryan Brown, attorney-in-fact 05 Jun 2025 0001922939

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 +55,000 $0.000000 55,000 04 Jun 2025 Common Stock 55,000 $1.32 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The shares subject to this option shall vest in full upon the earlier of (i) June 4, 2026 or (ii) the date of the next annual meeting of stockholders, subject to the Reporting Person's continuous service to the Issuer through such vesting date.

Remarks:

Exhibit 24 - Power of Attorney