πŸ•΅οΈ Onterris, Inc. ($ONT)

SEC insider & ownership activity, last 12 months Β· CIK 1643615 Β· every row links its SEC filing

Over the last 12 months insiders sold $8.0M against $610K of open-market buying. Manthripragada Vijay sold $3.4M through a 10b5-1 trading plan in 5 lots (Nov–Mar). No red-flag 8-Ks in the window.

🚨 3 signals active β€” planned-vs-executed verdicts, pre-event flags, and cluster context live in the API and the alerts bot.
Oct 2025: net +$0 Nov 2025: net -$2.2M Dec 2025: net +$0 Jan 2026: net +$0 Feb 2026: net +$0 Mar 2026: net -$5.8M Apr 2026: net +$0 May 2026: net +$100K Jun 2026: net +$510K Jul 2026: net +$0 Aug 2026: net +$0 Sep 2026: net +$0
Monthly net open-market insider flow, last 12 months (up = net buying)

Insider flow

2 buyers, $610K (3 lots) Β· 4 sellers, $8.0M (12 lots)

InsiderBuysBoughtSellsSoldLast
Manthripragada Vijay0– 5$3.4MMar 13, 2026
Revuelta Jose0– 3$3.1MMar 9, 2026
Afsari Nasym0– 2$1.2MMar 3, 2026
Graham Peter2$510K 0–Jun 5, 2026
Presby J. Thomas0– 2$289KMar 2, 2026
Dicks Allan1$100K 0–May 11, 2026

5%+ holders

HolderStakeClassScheduleEvent
FMR LLC 12.7% 13GSep 8, 2026 filing β†—
Abigail P. Johnson 12.7% 13GSep 8, 2026 filing β†—
Baron Capital Group, Inc. 6.1% 13GNov 14, 2025 filing β†—
Ronald Baron 6.1% 13GNov 14, 2025 filing β†—
Nomura Asset Management International Inc. 6.0% 13GAug 14, 2026 filing β†—
Nomura Investment Management Business Trust 6.0% 13GAug 14, 2026 filing β†—
Bamco Inc /NY/ 5.3% 13GNov 14, 2025 filing β†—
Goldman Sachs Asset Management, L.P. 5.0% 13GMay 11, 2026 filing β†—

Planned insider sales (Form 144)

SellerPlannedApprox. sale date
Manthripragada Vijay$1.2MMar 13, 2026 filing β†—
Revuelta Jose$212KMar 9, 2026 filing β†—
Revuelta Jose$1.2MMar 4, 2026 filing β†—
Afsari Nasym$1.2MMar 3, 2026 filing β†—
Revuelta Jose$1.7MMar 3, 2026 filing β†—
Afsari Nasym$6KMar 2, 2026 filing β†—
Presby J. Thomas$291KMar 2, 2026 filing β†—
Manthripragada Vijay$1.1MNov 11, 2025 filing β†—
Manthripragada Vijay$1.2MNov 10, 2025 filing β†—

Material events (8-K)

ItemEvent date
Material agreement (1.01)Aug 5, 2026 filing β†—
Material Modifications to Rights of Security Holders (3.03)Aug 5, 2026 filing β†—
Charter/bylaw changes (5.03)Aug 5, 2026 filing β†—
Financial Statements and Exhibits (9.01)Aug 5, 2026 filing β†—
Material agreement (1.01)Aug 5, 2026 filing β†—
Material Modifications to Rights of Security Holders (3.03)Aug 5, 2026 filing β†—
Charter/bylaw changes (5.03)Aug 5, 2026 filing β†—
Other events (8.01)Aug 5, 2026 filing β†—
Earnings (2.02)Aug 5, 2026 filing β†—
Reg FD disclosure (7.01)Aug 5, 2026 filing β†—
Financial Statements and Exhibits (9.01)Aug 5, 2026 filing β†—
Shareholder vote (5.07)May 6, 2026 filing β†—
Earnings (2.02)May 6, 2026 filing β†—
Reg FD disclosure (7.01)May 6, 2026 filing β†—
Financial Statements and Exhibits (9.01)May 6, 2026 filing β†—
Charter/bylaw changes (5.03)Apr 17, 2026 filing β†—
Reg FD disclosure (7.01)Apr 17, 2026 filing β†—
Financial Statements and Exhibits (9.01)Apr 17, 2026 filing β†—
Earnings (2.02)Feb 25, 2026 filing β†—
Reg FD disclosure (7.01)Feb 25, 2026 filing β†—
Financial Statements and Exhibits (9.01)Feb 25, 2026 filing β†—
Officer/director changes (5.02)Jan 19, 2026 filing β†—
Financial Statements and Exhibits (9.01)Jan 19, 2026 filing β†—
Earnings (2.02)Nov 4, 2025 filing β†—
Reg FD disclosure (7.01)Nov 4, 2025 filing β†—
Financial Statements and Exhibits (9.01)Nov 4, 2025 filing β†—