DCOY Decoy Therapeutics, Inc.

NASDAQ
$2.69

Decoy Therapeutics, Inc. (DCOY) 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 Bullish Insiders bought more than they sold over this window — uncommon at any size.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 0 sellers in the last 90 days
Insiders buying
2
2 transactions
Insiders selling
1
2 transactions
Purchases
$19.7K
25,000 shares
Sales
$17
27 shares
Net activity
$19.7K
purchases less sales

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

10b5-1 plan sales $0 0 transactions · 0 shares
Discretionary sales $17 2 transactions · 27 shares

Largest single sale: $10.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: November 20, 2025 , by HANISH ARNOLD C .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
HANISH ARNOLD C 2 fills Director Sell 27 $0.64 $17 5,000 −0.5% of holding
Rosenblum Mark J Exec VP Finance, CFO Buy 20,000 $0.80 $16.0K 20,177
HANISH ARNOLD C Director Buy 5,000 $0.75 $3.7K 5,015

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.