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CIK 0001894562 · <br>Emerging growth company

Prime Medicine, Inc.

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Ticker
PRME
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
FY end
Dec 31
Incorporated
DE
Entity type
operating
Phone
617-465-0013
Business address
60 FIRST ST., CAMBRIDGE, MA, 02141
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$0
in 0 filings

Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Date Insider Transaction Shares Price Value Owned after
2026-06-05 Schenkein David P Director Grant or award · Stock Option (right to buy) +75,000 75,000
2026-06-05 Marrazzo Jeffrey D Director Grant or award · Stock Option (right to buy) +75,000 75,000
2026-06-05 NELSEN ROBERT Director Grant or award · Stock Option (right to buy) +75,000 75,000
2026-06-05 Kelly Michael Aaron Director Grant or award · Stock Option (right to buy) +75,000 75,000
2026-06-05 Foster-Cheek Kaye I Director Grant or award · Stock Option (right to buy) +75,000 75,000
2026-06-05 Chung Wendy Director Grant or award · Stock Option (right to buy) +75,000 75,000
2026-06-05 Cahill Thomas Director Grant or award · Stock Option (right to buy) +75,000 75,000
2026-04-16 Makhni Svetlana Ni Chief Financial Officer Grant or award · Stock Option (right to buy) +800,000 800,000
2026-02-26 Reine Allan Chief Executive Officer Grant or award · Stock Option (right to buy) +1,300,000 1,300,000
2026-02-23 LEE ANN L. Chief Technical Officer Grant or award · Stock Option (right to buy) +375,000 375,000
2026-02-23 Alenson Carman See Remarks Grant or award · Stock Option (right to buy) +140,000 140,000
2025-08-01 LEE ANN L. Chief Technical Officer Returned to the company · Stock Option (right to buy) −180,995 0
2025-08-01 LEE ANN L. Chief Technical Officer Grant or award · Stock Option (right to buy) +180,995 180,995
2025-08-01 LEE ANN L. Chief Technical Officer Returned to the company · Stock Option (right to buy) −180,995 0
2025-08-01 LEE ANN L. Chief Technical Officer Grant or award · Stock Option (right to buy) +180,995 180,995
2025-08-01 Schenkein David P Director Returned to the company · Stock Option (right to buy) −39,062 0
2025-08-01 Schenkein David P Director Grant or award · Stock Option (right to buy) +39,062 39,062
2025-08-01 Schenkein David P Director Returned to the company · Stock Option (right to buy) −45,000 0
2025-08-01 Schenkein David P Director Grant or award · Stock Option (right to buy) +45,000 45,000
2025-08-01 NELSEN ROBERT Director Returned to the company · Stock Option (right to buy) −39,062 0

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