COGT
Cogent Biosciences, Inc. · Healthcare · Market cap $5.5B
Insiders sold $1.7M net in the last 90 days ·1 seller, 0 buyers· 1 of 1 sale under Rule 10b5-1 plans· latest Form 4 filed Aug 31, 2026
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$256.5M
reported sales (SEC code S)
Unique Insiders
6
in the rolling window
Latest filing
Aug 31, 2026
Morris Arlene
Cogent Biosciences, Inc. (COGT) has 13 SEC Form 4 filings (30 transaction rows) in the rolling window, disclosed by 6 distinct insiders. Most recent filing: Aug 31, 2026.
Inside the rolling window, 6 insiders at Cogent Biosciences, Inc. reported no open-market purchases and 6 open-market sales totaling $256.5M. Insiders have net sold $244.3M over the trailing 6 months. The most recent open-market filing is a sale of 45,510 shares by Director Morris Arlene, dated Aug 27, 2026, worth $1.7M.
- Industry:Biotechnology
- CEO:Andrew R. Robbins
- Employees:258
- HQ:Waltham, MA, US
- IPO:2018-03-29
| Source | |||||||
|---|---|---|---|---|---|---|---|
Morris ArleneFirst filing | Director | Sale | 45,510 | $1.7M | Aug 31 | -10.2% | SEC ↗ |
| Director | Sale | 7,000,000 | $242.6M | Mar 31 | -18.3% | SEC ↗ | |
Green John L.First filing | Chief Financial Officer | Sale | 77,000 | $3.0M | Dec 30 | -15.3% | SEC ↗ |
Kearns EvanFirst filing | Chief Legal Officer | Sale | 65,000 | $2.5M | Dec 30 | -15.3% | SEC ↗ |
Robinson John EdwardFirst filing | Chief Scientific Officer | Sale | 90,000 | $3.5M | Dec 30 | -15.3% | SEC ↗ |
Sachs JessicaFirst filing | Chief Medical Officer | Sale | 82,642 | $3.2M | Dec 30 | -15.3% | SEC ↗ |
Earnings: last 7 quarters
Congress trading COGT 1 all-time
- RRep. Chris JacobsPurchase$1,001 - $15,0002022-12-12
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Frequently asked questions
How many SEC Form 4 insider filings does COGT have?
Cogent Biosciences, Inc. (COGT) has 13 SEC Form 4 filings (30 transaction rows) in the rolling 365-day window, disclosed by 6 distinct insiders. Most recent filing: Aug 31, 2026.
When was the most recent SEC Form 4 filing for COGT?
The most recent Form 4 filing for COGT on Tracefour is dated Aug 31, 2026.
What is the net insider flow at COGT over the last 6 months?
Over the trailing 180 days, insiders at COGT have net sold $244.3M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at COGT in the current window?
Inside the rolling window, insiders at COGT bought $0 and sold $256.5M based on SEC Form 4 filings.
Can I get alerts for COGT insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Cogent Biosciences, Inc. (COGT). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Cogent Biosciences, Inc. is in the Healthcare sector.