ETON

Eton Pharmaceuticals, Inc.

Company with tickers: ETON

CIK

1710340

CUSIP

29772L108

Shares Outstanding

27,392,358

Website

https://www.etonpharma.com

13F Activity (30d)

3 filings 2 filers

Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 3, 4 and 5. Form 4 must be filed within two business days of the trade.

Insider Sentiment Score

Peer-relative 0–100 rank of how aggressively insiders accumulated over the trailing 90 days. See the full ranking.

Net buyers

-3

Net shares bought

-0.99%

Net buy value

-$8,679,435

Date	Insider	Role	Type	Shares	Price	Value	After
2026-06-17	Adams Jennifer McKie	Director	Convert	50,000	—	—	0
2026-06-17	Adams Jennifer McKie	Director	Convert	50,000	$3.78	$189,000	50,000
2026-06-17	Adams Jennifer McKie	Director	Sell	50,000	$32.48	$1,623,795	0
2026-05-28	BRYNJELSEN SEAN	Director, President & CEO, 10% Owner	Sell	148	$32.67	$4,835	833,694
2026-05-28	BRYNJELSEN SEAN	Director, President & CEO, 10% Owner	Sell	119,852	$31.88	$3,820,882	833,842
2026-05-27	Krempa David	Chief Business Officer	Convert	12,476	$1.37	$17,092	37,725
2026-05-27	Krempa David	Chief Business Officer	Convert	7,203	—	—	118,406
2026-05-27	Krempa David	Chief Business Officer	Convert	12,476	—	—	0
2026-05-27	Krempa David	Chief Business Officer	Convert	7,203	$3.58	$25,787	44,928
2026-05-27	Krempa David	Chief Business Officer	Sell	19,679	$31.47	$619,375	25,249
2026-05-26	Krempa David	Chief Business Officer	Convert	12,524	$1.37	$17,158	62,773
2026-05-26	Krempa David	Chief Business Officer	Convert	25,000	—	—	0
2026-05-26	Krempa David	Chief Business Officer	Convert	25,000	$1.38	$34,500	50,249
2026-05-26	Krempa David	Chief Business Officer	Sell	37,524	$31.49	$1,181,732	25,249
2026-05-26	Krempa David	Chief Business Officer	Convert	12,524	—	—	12,476
2026-05-22	Krempa David	Chief Business Officer	Sell	519	$35.00	$18,165	25,249
2026-05-22	Krempa David	Chief Business Officer	Sell	32,963	$33.22	$1,095,057	35,083
2026-05-22	Krempa David	Chief Business Officer	Convert	30,591	$3.58	$109,516	68,046
2026-05-22	Krempa David	Chief Business Officer	Sell	9,315	$33.88	$315,594	25,768
2026-05-22	Krempa David	Chief Business Officer	Convert	30,591	—	—	125,609
2026-04-21	RIEDEL NORBERT G	Director	Convert	19,655	—	—	0
2026-04-21	RIEDEL NORBERT G	Director	Convert	12,500	$7.31	$91,375	47,500
2026-04-21	RIEDEL NORBERT G	Director	Convert	19,655	$8.61	$169,230	67,155
2026-04-21	RIEDEL NORBERT G	Director	Convert	12,500	—	—	0
2026-02-03	RIEDEL NORBERT G	Director	Exercise	30,000	$4.42	$132,600	35,000
2026-02-03	RIEDEL NORBERT G	Director	Exercise	30,000	—	—	0
2026-01-14	Krempa David	Chief Business Officer	Tax	1,942	$15.62	$30,334	630,238
2026-01-14	Gruber James R.	Chief Financial Officer	Tax	2,293	$15.47	$35,473	213,420
2026-01-12	CASAMENTO CHARLES J	Director	Award	12,196	—	—	295,171
2026-01-12	Krempa David	Chief Business Officer	Award	25,856	—	—	696,749
2026-01-12	Erdogan-Trinkaus Ipek	Chief Commercial Officer	Award	40,655	—	—	123,878
2026-01-12	Gruber James R.	Chief Financial Officer	Award	25,856	—	—	279,931
2026-01-12	Erdogan-Trinkaus Ipek	Chief Commercial Officer	Award	25,856	—	—	149,734
2026-01-12	CASAMENTO CHARLES J	Director	Award	7,757	—	—	302,928
2026-01-12	BRYNJELSEN SEAN	Director, President & CEO, 10% Owner	Award	100,517	—	—	3,147,829
2026-01-12	RIEDEL NORBERT G	Director	Award	7,757	—	—	294,253
2026-01-12	MAIER PAUL V	Director	Award	12,196	—	—	286,496
2026-01-12	MAIER PAUL V	Director	Award	7,757	—	—	294,253
2026-01-12	Adams Jennifer McKie	Director	Award	12,196	—	—	170,329
2026-01-12	Gruber James R.	Chief Financial Officer	Award	40,655	—	—	254,075
2026-01-12	RIEDEL NORBERT G	Director	Award	12,196	—	—	286,496
2026-01-12	BRYNJELSEN SEAN	Director, President & CEO, 10% Owner	Award	158,046	—	—	3,047,312
2026-01-12	Krempa David	Chief Business Officer	Award	40,655	—	—	670,893
2026-01-12	Adams Jennifer McKie	Director	Award	7,757	—	—	178,086
2026-01-01	BRYNJELSEN SEAN	Director, President & CEO, 10% Owner	Tax	5,015	$15.39	$77,181	2,889,266
2025-12-12	Krempa David	Chief Business Officer	Tax	6,264	$17.00	$106,488	632,180
2025-12-12	Gruber James R.	Chief Financial Officer	Tax	4,542	$16.99	$77,169	215,713
2025-12-12	Erdogan-Trinkaus Ipek	Chief Commercial Officer	Tax	85	$16.90	$1,437	2,403
2025-12-12	BRYNJELSEN SEAN	Director, President & CEO, 10% Owner	Tax	6,732	$16.83	$113,300	2,894,281
2025-12-11	Krempa David	Chief Business Officer	Award	5,300	—	—	638,468

Showing 1–50 of 165 transactions