ETON insider buying and SEC filings, explained
Eton Pharmaceuticals, Inc. · CIK 1710340
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- Nasdaq
- Industry (SIC)
- Pharmaceutical Preparations
- State of incorporation
- DE
- Fiscal year end
- Dec 31
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$17.4M
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Oct 6, 2026 | Sale | David Krempa (Chief Business Officer) sold 4,166 shares at about $55.07 ($229K). Holdings down 9% to 43,381 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 6, 2026, 4:49 PM ET |
| Aug 19–20, 2026 | Sale | Sean Brynjelsen (CEO and Director) sold 100,000 shares between Aug 19 and Aug 20 at about $60.88 ($6.1M). Holdings down 9% to 961,194 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 20, 2026 |
| Jul 14, 2026 | Sale Amended filing | Opaleye Management Inc. (10% owner) sold 28,315 shares indirectly (by entity) at about $37.54 ($1.1M). Holdings by entity down 1% to 2,665,000 shares. Not marked as a 10b5-1 plan trade. This amends a filing from Jul 16. | SEC filing Filed Jul 17, 2026 |
| Jul 2–7, 2026 | Sale | Opaleye Management Inc. (10% owner) sold 126,685 shares indirectly (by entity) between Jul 2 and Jul 7 at about $37.64 ($4.8M). Holdings by entity down 3% to 2,680,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 7, 2026 |
| May 28, 2026 | Sale | Sean Brynjelsen (CEO and Director) sold 120,000 shares at about $31.88 ($3.8M). Holdings down 13% to 833,694 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 29, 2026 |
| May 22, 2026 | Sale | David Krempa (Chief Business Officer) sold 42,797 shares at about $33.39 ($1.4M). Holdings down 63% to 25,249 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 27, 2026 |
34 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
| Filed | Items | Tag | Source |
|---|---|---|---|
| Nov 2, 2026, 7:00 AM ET 8-K | Other event (Item 8.01) | SEC filing |
Red flags are objective triggers only: the item or form filed, never an opinion.
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