COGT Cogent Biosciences, Inc.

NASDAQ
$31.50

Cogent Biosciences, Inc. (COGT) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

Insider signal In line Selling ran in line with COGT's own trailing one-year pace, with 0% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 1 seller in the last 90 days
Insiders buying
0
0 transactions
Insiders selling
6
8 transactions
Purchases
$0
0 shares
Sales
$383.9M
10,860,152 shares
Net activity
-$383.9M
purchases less sales

How much of that selling was preplanned? 0% planned / 100% discretionary

10b5-1 plan sales $1.7M 2 transactions · 45,510 shares
Discretionary sales $382.2M 6 transactions · 10,814,642 shares

Largest single sale: $242.6M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

No open-market insider purchase on record.

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Morris Arlene 2 fills Director Sell 10b5-1 45,510 $37.12 $1.7M 3,161 −93.5% of holding
Fairmount Funds Management LLC Director Sell 7,000,000 $34.66 $242.6M 5,503,418 −56% of holding
Fairmount Funds Management LLC Director Sell 3,500,000 $36.40 $127.4M 5,503,418 −38.9% of holding
Robinson John Edward Chief Scientific Officer Sell 90,000 $38.74 $3.5M 140,002 −39.1% of holding
Sachs Jessica Chief Medical Officer Sell 82,642 $38.70 $3.2M 133,938 −38.2% of holding
Green John L. Chief Financial Officer Sell 77,000 $38.68 $3.0M 131,834 −36.9% of holding
Kearns Evan Chief Legal Officer Sell 65,000 $38.70 $2.5M 109,398 −37.3% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.