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CIK 0001622229 · Large accelerated filer

Cogent Biosciences, Inc.

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Ticker
COGT
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
465308248
Phone
617-945-5576
Business address
180 THIRD AVENUE, 4TH FLOOR, WALTHAM, MA
Former names
Unum Therapeutics Inc., Unum Therapeutics, Inc.
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$1,689,493
in 1 filing, $1.7M under 10b5-1 plans

Net −$1,689,493. 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.

Pace of trading Bought Sold

Who's trading

90 days

  1. Morris Arlene −$1.7M Director sold 100% of stake

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-01-22 Fairmount Funds Management LLC Director Sale −3,500,000 $36.40 $127.4M 5,503,418
2026-01-01 Ferrante Karen Jean Director Grant or award · Stock Option (Right to Buy) +643 643
2025-12-26 Kearns Evan Chief Legal Officer Sale −65,000 $38.70 $2.5M 109,398
2025-12-26 Green John L. Chief Financial Officer Sale −77,000 $38.68 $3.0M 131,834
2025-12-26 Sachs Jessica Chief Medical Officer Sale −82,642 $38.70 $3.2M 133,938
2025-12-26 Robinson John Edward Chief Scientific Officer Sale −90,000 $38.74 $3.5M 140,002
2025-12-17 Robinson John Edward Chief Scientific Officer Grant or award +50,000 50,000
2025-12-17 Robinson John Edward Chief Scientific Officer Grant or award +320,000 370,000
2025-12-17 Robinson John Edward Chief Scientific Officer Shares withheld for taxes −139,998 $39.45 $5.5M 230,002
2025-12-17 Robinson John Edward Chief Scientific Officer Grant or award · Stock Option (Right to Buy) +65,000 65,000
2025-12-17 Robbins Andrew R President and CEO Grant or award +185,000 185,000
2025-12-17 Robbins Andrew R President and CEO Grant or award +840,000 1,025,000
2025-12-17 Robbins Andrew R President and CEO Shares withheld for taxes −367,497 $39.45 $14.5M 657,503
2025-12-17 Robbins Andrew R President and CEO Grant or award · Stock Option (Right to Buy) +245,000 245,000
2025-12-17 Pinnow Cole Chief Commercial Officer Grant or award +50,000 97,450
2025-12-17 Pinnow Cole Chief Commercial Officer Grant or award +214,000 311,450
2025-12-17 Pinnow Cole Chief Commercial Officer Shares withheld for taxes −94,800 $39.45 $3.7M 216,650
2025-12-17 Pinnow Cole Chief Commercial Officer Grant or award · Stock Option (Right to Buy) +65,000 65,000
2025-12-17 Sachs Jessica Chief Medical Officer Grant or award +50,000 51,296
2025-12-17 Sachs Jessica Chief Medical Officer Grant or award +320,000 371,296

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