๐Ÿ•ต๏ธ ETON Pharmaceuticals, Inc. ($ETON)

SEC insider & ownership activity, last 12 months ยท CIK 1710340 ยท every row links its SEC filing

Over the last 12 months insiders sold $15.2M with no open-market buying against it. Opaleye Management Inc. sold $5.8M (Jul). 4 planned sales are pending, the largest $9.0M (James R. Gruber). No red-flag 8-Ks in the window.

๐Ÿšจ 7 signals active โ€” planned-vs-executed verdicts, pre-event flags, and cluster context live in the API and the alerts bot.
Aug 2025: net -$674K Sep 2025: net +$0 Oct 2025: net +$0 Nov 2025: net +$0 Dec 2025: net +$0 Jan 2026: net +$0 Mar 2026: net +$0 Mar 2026: net +$0 Apr 2026: net +$0 May 2026: net -$7.1M Jun 2026: net -$1.6M Jul 2026: net -$5.8M
Monthly net open-market insider flow, last 12 months (up = net buying)

Insider flow

0 buyers, $0 (0 lots) ยท 5 sellers, $15.2M (17 lots)

InsiderBuysBoughtSellsSoldLast
Opaleye Management Inc.0โ€“ 7$5.8MJul 14, 2026
Brynjelsen Sean0โ€“ 2$3.8MMay 28, 2026
Krempa David0โ€“ 5$3.2MMay 27, 2026
Adams Jennifer McKie0โ€“ 1$1.6MJun 17, 2026
James R. Gruber0โ€“ 2$674KAug 20, 2025

5%+ holders

HolderStakeClassScheduleEvent
ECOR1 Capital, LLC 7.7% 13GFeb 14, 2025 filing โ†—
Oleg Nodelman 7.7% 13GFeb 14, 2025 filing โ†—
ECOR1 Capital Fund Qualified, L.P. 7.2% 13GFeb 14, 2025 filing โ†—
Blackrock, Inc. 6.9% 13GJul 28, 2026 filing โ†—

Planned insider sales (Form 144)

SellerPlannedApprox. sale date
James R. Gruber$9.0MJun 26, 2026 filing โ†—
James R. Gruber$875KJun 25, 2026 filing โ†—
James R. Gruber$831KJun 23, 2026 filing โ†—
Adams Jennifer McKie$1.6MJun 17, 2026 filing โ†—
James R. Gruber$84KJun 2, 2026 filing โ†—
Brynjelsen Sean$3.9MMay 28, 2026 filing โ†—
Krempa David$3.5MMay 22, 2026 filing โ†—
Krempa David$30KJan 14, 2026 filing โ†—
James R. Gruber$35KJan 14, 2026 filing โ†—
Brynjelsen Sean$77KJan 14, 2026 filing โ†—
James R. Gruber$92KDec 12, 2025 filing โ†—
Brynjelsen Sean$136KDec 12, 2025 filing โ†—
Erdogan-Trinkaus Ipek$2KDec 12, 2025 filing โ†—
Krempa David$127KDec 12, 2025 filing โ†—
James R. Gruber$693KAug 18, 2025 filing โ†—

Material events (8-K)

ItemEvent date
Other events (8.01)Jul 29, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jul 29, 2026 filing โ†—
Shareholder vote (5.07)Jun 9, 2026 filing โ†—
Material agreement (1.01)May 18, 2026 filing โ†—
Acquisition or disposition (2.01)May 18, 2026 filing โ†—
Financial Statements and Exhibits (9.01)May 18, 2026 filing โ†—
Earnings (2.02)May 14, 2026 filing โ†—
Financial Statements and Exhibits (9.01)May 14, 2026 filing โ†—
Other events (8.01)May 1, 2026 filing โ†—
Financial Statements and Exhibits (9.01)May 1, 2026 filing โ†—
Other events (8.01)Apr 27, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Apr 27, 2026 filing โ†—
Officer/director changes (5.02)Apr 16, 2026 filing โ†—
Reg FD disclosure (7.01)Apr 16, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Apr 16, 2026 filing โ†—
Material agreement (1.01)Apr 9, 2026 filing โ†—
New financial obligation (2.03)Apr 9, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Apr 9, 2026 filing โ†—
Earnings (2.02)Mar 19, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Mar 19, 2026 filing โ†—
Material agreement (1.01)Feb 27, 2026 filing โ†—
Acquisition or disposition (2.01)Feb 27, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Feb 27, 2026 filing โ†—
Other events (8.01)Feb 25, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Feb 25, 2026 filing โ†—
Other events (8.01)Feb 2, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Feb 2, 2026 filing โ†—
Reg FD disclosure (7.01)Dec 4, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Dec 4, 2025 filing โ†—
Earnings (2.02)Nov 6, 2025 filing โ†—