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Prime Medicine, Inc. (0001894562)
SIC: 2836 - Biological Products, (No Diagnostic Substances)
State location: MA | State of Inc.: DE | Fiscal Year End: 1231
Business Address
60 FIRST ST.
CAMBRIDGE MA 02141
617-465-0013
 Mailing Address
60 FIRST ST.
CAMBRIDGE MA 02141
Ownership Reports from: (Click on owner name to see other issuer holdings for the owner, or CIK for owner filings.)

Owner Filings Transaction Date Type of Owner
GV 2023, L.P. 0001961979 2024-02-20 other: Member of 10% Group
GV 2023 GP, L.P. 0001961990 2024-02-20 other: Member of 10% Group
GV 2023 GP, L.L.C. 0001961991 2024-02-20 other: Member of 10% Group
CRANDELL KEITH 0001219039 2024-02-15 10 percent owner
NELSEN ROBERT 0001219042 2024-02-15 director, 10 percent owner
GILLIS STEVEN 0001229592 2024-02-15 10 percent owner
Burow Kristina 0001569248 2024-02-15 10 percent owner
ARCH Venture Fund X, L.P. 0001757011 2024-02-15 10 percent owner
ARCH Venture Fund X Overage, L.P. 0001757017 2024-02-15 10 percent owner
ARCH Venture Partners X Overage, L.P. 0001768905 2024-02-15 10 percent owner
ARCH Venture Partners X, LLC 0001769012 2024-02-15 10 percent owner
ARCH Venture Partners X, L.P. 0001782583 2024-02-15 10 percent owner
ARCH Venture Fund XII, L.P. 0001906837 2024-02-15 10 percent owner
ARCH Venture Partners XII, LLC 0001979548 2024-02-15 10 percent owner
ARCH Venture Partners XII, L.P. 0001979765 2024-02-15 10 percent owner
Reine Allan 0001714023 2024-01-17 officer: Chief Financial Officer
Marrazzo Jeffrey D 0001631262 2023-05-10 director
Alphabet Inc. 0001652044 2023-05-08 10 percent owner
GV 2019 GP, L.L.C. 0001845038 2023-05-08 10 percent owner
GV 2019 GP, L.P. 0001845039 2023-05-08 10 percent owner
GV 2019, L.P. 0001845041 2023-05-08 10 percent owner
GV 2021, L.P. 0001861202 2023-05-08 10 percent owner
GV 2021 GP, L.L.C. 0001861206 2023-05-08 10 percent owner
GV 2021 GP, L.P. 0001861216 2023-05-08 10 percent owner
FMR LLC 0000315066 2022-10-19 10 percent owner, other: See Remark 1
Foster-Cheek Kaye I 0001312622 2022-10-19 director
Schenkein David P 0001578200 2022-10-19 director
Gottesdiener Keith Michael 0001615856 2022-10-19 director, officer: See Remarks
Liu David R. 0001664439 2022-10-19 10 percent owner
Alenson Carman 0001688865 2022-10-19 officer: See Remarks
Brudnick Richard 0001692359 2022-10-19 officer: Chief Business Officer
LEE ANN L. 0001723629 2022-10-19 officer: Chief Technical Officer
Kelly Michael Aaron 0001769668 2022-10-19 director
Duffield Jeremy 0001922590 2022-10-19 officer: Chief Scientific Officer
Chung Wendy 0001922605 2022-10-19 director
Goldwasser Meredith 0001922606 2022-10-19 officer: SVP, Strategy & Corporate Ops.
Cahill Thomas 0001922939 2022-10-19 director


Items 1 - 80

The information presented below contains only portions of the information presented in the referenced filing or filings.
You should consult the original filing for complete information. Hyperlinks to the forms are provided for your convenience.

Acquistion or Disposition Transaction Date Deemed Execution Date Reporting Owner Form Transaction Type Direct or Indirect Ownership Number of Securities Transacted Number of Securities Owned Line Number Owner CIK Security Name
A 2025-02-28   Gottesdiener Keith Michael 4 A-Award --D 500000.0000 500000.0000 1 0001615856 Stock Option (right to buy)
A 2025-02-27   Alenson Carman 4 A-Award --D 90500.0000 90500.0000 1 0001688865 Stock Option (right to buy)
A 2025-02-27   Goldwasser Meredith 4 A-Award --D 90500.0000 90500.0000 1 0001922606 Stock Option (right to buy)
A 2025-02-27   Duffield Jeremy 4 A-Award --D 275000.0000 275000.0000 1 0001922590 Stock Option (right to buy)
A 2025-02-27   LEE ANN L. 4 A-Award --D 275000.0000 275000.0000 1 0001723629 Stock Option (right to buy)
A 2025-02-27   Brudnick Richard 4 A-Award --D 225000.0000 225000.0000 1 0001692359 Stock Option (right to buy)
A 2025-02-27   Reine Allan 4 A-Award --D 275000.0000 275000.0000 1 0001714023 Stock Option (right to buy)
A 2024-12-05   Gottesdiener Keith Michael 4 A-Award --D 100000.0000 200000.0000 1 0001615856 Stock Option (right to buy)
A 2024-12-05   Brudnick Richard 4 A-Award --D 19300.0000 57900.0000 1 0001692359 Stock Option (right to buy)
A 2024-12-05   Reine Allan 4 A-Award --D 75000.0000 775000.0000 1 0001714023 Stock Option (right to buy)
A 2024-10-08   Gottesdiener Keith Michael 4 G-Gift --I 226925.0000 682259.0000 2 0001615856 Common Stock
D 2024-10-08   Gottesdiener Keith Michael 4 G-Gift --I 226925.0000 50241.0000 1 0001615856 Common Stock
A 2024-06-12   Marrazzo Jeffrey D 4 A-Award --D 45000.0000 45000.0000 1 0001631262 Stock Option (right to buy)
A 2024-06-12   Schenkein David P 4 A-Award --D 45000.0000 45000.0000 1 0001578200 Stock Option (right to buy)
A 2024-06-12   NELSEN ROBERT 4 A-Award --D 45000.0000 45000.0000 1 0001219042 Stock Option (right to buy)
A 2024-06-12   Kelly Michael Aaron 4 A-Award --D 45000.0000 45000.0000 1 0001769668 Stock Option (right to buy)
A 2024-06-12   Foster-Cheek Kaye I 4 A-Award --D 45000.0000 45000.0000 1 0001312622 Stock Option (right to buy)
A 2024-06-12   Chung Wendy 4 A-Award --D 45000.0000 45000.0000 1 0001922605 Stock Option (right to buy)
A 2024-06-12   Cahill Thomas 4 A-Award --D 45000.0000 45000.0000 1 0001922939 Stock Option (right to buy)
A 2024-06-05   Gottesdiener Keith Michael 4 G-Gift --I 250000.0000 277166.0000 2 0001615856 Common Stock
D 2024-06-05   Gottesdiener Keith Michael 4 G-Gift --D 250000.0000 2310837.0000 1 0001615856 Common Stock
A 2024-05-17   Reine Allan 4 A-Award --D 100000.0000 100000.0000 1 0001714023 Stock Option (right to buy)
A 2024-05-17   Brudnick Richard 4 A-Award --D 19300.0000 38600.0000 1 0001692359 Stock Option (right to buy)
A 2024-05-17   LEE ANN L. 4 A-Award --D 80416.0000 160832.0000 1 0001723629 Stock Option (right to buy)
A 2024-02-29   Marrazzo Jeffrey D 4 A-Award --D 250000.0000 250000.0000 1 0001631262 Stock Option (right to buy)
A 2024-02-25   Gottesdiener Keith Michael 4 A-Award --D 100000.0000 100000.0000 1 0001615856 Stock Option (right to buy)
A 2024-02-21   Brudnick Richard 4 A-Award --D 135747.0000 135747.0000 1 0001692359 Stock Option (right to buy)
A 2024-02-21   Duffield Jeremy 4 A-Award --D 180995.0000 180995.0000 1 0001922590 Stock Option (right to buy)
A 2024-02-21   LEE ANN L. 4 A-Award --D 180995.0000 180995.0000 1 0001723629 Stock Option (right to buy)
A 2024-02-21   Goldwasser Meredith 4 A-Award --D 90498.0000 90498.0000 1 0001922606 Stock Option (right to buy)
A 2024-02-21   Alenson Carman 4 A-Award --D 90498.0000 90498.0000 1 0001688865 Stock Option (right to buy)
A 2024-02-15   NELSEN ROBERT 4 P-Purchase --I 3200000.0000 3200000.0000 3 0001219042 Common Stock
A 2024-02-15   ARCH Venture Partners XII, LLC 4 P-Purchase --I 3200000.0000 3200000.0000 3 0001979548 Common Stock
A 2024-02-15   ARCH Venture Partners X, LLC 4 P-Purchase --I 3200000.0000 3200000.0000 3 0001769012 Common Stock
A 2024-01-17   Reine Allan 4 A-Award --D 600000.0000 600000.0000 1 0001714023 Stock Option (right to buy)
D 2023-11-11   Gottesdiener Keith Michael 4 G-Gift --I 5000.0000 27166.0000 2 0001615856 Common Stock
D 2023-11-11   Gottesdiener Keith Michael 4 G-Gift --D 7500.0000 2560837.0000 1 0001615856 Common Stock
D 2023-07-21   Liu David R. 4/A G-Gift --D 1000000.0000 20156945.0000 1 0001664439 Common Stock
D 2023-07-21   Liu David R. 4 G-Gift --D 1000000.0000 20156945.0000 1 0001664439 Common Stock
D 2023-06-21   GV 2019 GP, L.L.C. 4 S-Sale --I 19003.0000 0.0000 4 0001845038 Common Stock
D 2023-06-21   GV 2019 GP, L.L.C. 4 J-Other --I 19003.0000 10100058.0000 3 0001845038 Common Stock
D 2023-06-20   GV 2019 GP, L.L.C. 4 S-Sale --I 37405.0000 0.0000 2 0001845038 Common Stock
D 2023-06-20   GV 2019 GP, L.L.C. 4 J-Other --I 37405.0000 10119061.0000 1 0001845038 Common Stock
D 2023-06-16   GV 2019 GP, L.L.C. 4 S-Sale --I 6532.0000 0.0000 4 0001845038 Common Stock
D 2023-06-16   GV 2019 GP, L.L.C. 4 J-Other --I 6532.0000 10156466.0000 3 0001845038 Common Stock
D 2023-06-15   GV 2019 GP, L.L.C. 4 S-Sale --I 66659.0000 0.0000 2 0001845038 Common Stock
D 2023-06-15   GV 2019 GP, L.L.C. 4 J-Other --I 66659.0000 10162998.0000 1 0001845038 Common Stock
A 2023-06-14   Cahill Thomas 4 A-Award --D 39062.0000 39062.0000 1 0001922939 Stock Option (right to buy)
A 2023-06-14   Schenkein David P 4 A-Award --D 39062.0000 39062.0000 1 0001578200 Stock Option (right to buy)
A 2023-06-14   Foster-Cheek Kaye I 4 A-Award --D 39062.0000 39062.0000 1 0001312622 Stock Option (right to buy)
A 2023-06-14   NELSEN ROBERT 4 A-Award --D 39062.0000 39062.0000 1 0001219042 Stock Option (right to buy)
A 2023-06-14   Kelly Michael Aaron 4 A-Award --D 39062.0000 39062.0000 1 0001769668 Stock Option (right to buy)
A 2023-06-14   Chung Wendy 4 A-Award --D 39062.0000 39062.0000 1 0001922605 Stock Option (right to buy)
D 2023-06-14   GV 2019 GP, L.L.C. 4 S-Sale --I 28960.0000 0.0000 4 0001845038 Common Stock
D 2023-06-14   GV 2019 GP, L.L.C. 4 J-Other --I 28960.0000 10229657.0000 3 0001845038 Common Stock
D 2023-06-13   GV 2019 GP, L.L.C. 4 S-Sale --I 28100.0000 0.0000 2 0001845038 Common Stock
D 2023-06-13   GV 2019 GP, L.L.C. 4 J-Other --I 28100.0000 10258617.0000 1 0001845038 Common Stock
D 2023-06-12   GV 2019 GP, L.L.C. 4 S-Sale --I 16031.0000 0.0000 4 0001845038 Common Stock
D 2023-06-12   GV 2019 GP, L.L.C. 4 J-Other --I 16031.0000 10286717.0000 3 0001845038 Common Stock
D 2023-06-09   GV 2019 GP, L.L.C. 4 S-Sale --I 15672.0000 0.0000 2 0001845038 Common Stock
D 2023-06-09   GV 2019 GP, L.L.C. 4 J-Other --I 15672.0000 10302748.0000 1 0001845038 Common Stock
D 2023-06-08   GV 2019 GP, L.L.C. 4 S-Sale --I 5000.0000 0.0000 4 0001845038 Common Stock
D 2023-06-08   GV 2019 GP, L.L.C. 4 J-Other --I 5000.0000 10318420.0000 3 0001845038 Common Stock
D 2023-06-07   GV 2019 GP, L.L.C. 4 S-Sale --I 15000.0000 0.0000 2 0001845038 Common Stock
D 2023-06-07   GV 2019 GP, L.L.C. 4 J-Other --I 15000.0000 10323420.0000 1 0001845038 Common Stock
D 2023-06-06   GV 2019 GP, L.L.C. 4 S-Sale --I 29975.0000 0.0000 4 0001845038 Common Stock
D 2023-06-06   GV 2019 GP, L.L.C. 4 J-Other --I 29975.0000 10338420.0000 3 0001845038 Common Stock
D 2023-06-05   GV 2019 GP, L.L.C. 4 S-Sale --I 22434.0000 0.0000 2 0001845038 Common Stock
D 2023-06-05   GV 2019 GP, L.L.C. 4 J-Other --I 22434.0000 10368395.0000 1 0001845038 Common Stock
D 2023-06-01   GV 2019 GP, L.L.C. 4 S-Sale --I 471.0000 0.0000 5 0001845038 Common Stock
D 2023-06-01   GV 2019 GP, L.L.C. 4 S-Sale --I 44752.0000 471.0000 4 0001845038 Common Stock
D 2023-06-01   GV 2019 GP, L.L.C. 4 J-Other --I 45223.0000 10390829.0000 3 0001845038 Common Stock
D 2023-05-31   GV 2019 GP, L.L.C. 4 S-Sale --I 16633.0000 0.0000 2 0001845038 Common Stock
D 2023-05-31   GV 2019 GP, L.L.C. 4 J-Other --I 16633.0000 10436052.0000 1 0001845038 Common Stock
D 2023-05-30   GV 2019 GP, L.L.C. 4 S-Sale --I 16805.0000 0.0000 4 0001845038 Common Stock
D 2023-05-30   GV 2019 GP, L.L.C. 4 J-Other --I 16805.0000 10452685.0000 3 0001845038 Common Stock
D 2023-05-26   GV 2019 GP, L.L.C. 4 S-Sale --I 12602.0000 0.0000 2 0001845038 Common Stock
D 2023-05-26   GV 2019 GP, L.L.C. 4 J-Other --I 12602.0000 10469490.0000 1 0001845038 Common Stock
D 2023-05-25   GV 2019 GP, L.L.C. 4 S-Sale --I 23161.0000 0.0000 4 0001845038 Common Stock
D 2023-05-25   GV 2019 GP, L.L.C. 4 J-Other --I 23161.0000 10482092.0000 3 0001845038 Common Stock

http://www.sec.gov/cgi-bin/own-disp

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Modified: 04/22/2016