ONT Onterris, Inc.

NYSE
$17.58

Onterris, Inc. (ONT) 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
3 transactions
Insiders selling
0
0 transactions
Purchases
$610.0K
36,535 shares
Sales
$0
0 shares
Net activity
$610.0K
purchases less sales

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: June 5, 2026 , by GRAHAM PETER .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
GRAHAM PETER Director Buy 25,140 $17.19 $432.2K 256,689
GRAHAM PETER Director Buy 4,860 $15.94 $77.5K 231,549
Dicks Allan Chief Financial Officer Buy 6,535 $15.36 $100.4K 218,178

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.