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 Moderately bearish Selling ran elevated versus COGT's own trailing one-year pace, with 1% 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
2
3 transactions
Purchases
$0
0 shares
Sales
$244.3M
7,045,510 shares
Net activity
-$244.3M
purchases less sales

How much of that selling was preplanned? 1% planned / 99% discretionary

10b5-1 plan sales $1.7M 2 transactions · 45,510 shares
Discretionary sales $242.6M 1 transaction · 7,000,000 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

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.