Eton Pharmaceuticals, Inc. (ETON) insider trading.
In Q3 2026, insiders at Eton Pharmaceuticals, Inc. reported 27 non-derivative transactions on 18 Forms 3, 4 and 5: 0 open-market purchases and 20 sales worth $20.5M.
- Transactions
- 27
- Purchases (P)
- 0
- Sales (S)
- 20
- Net shares, P minus S
- -408,315
- Insiders
- 4
- Last filed
- 2026-08-31
Insiders
| Insider | Relationship | Transactions | Buys | Sales |
|---|---|---|---|---|
| Maier Paul V | Director | 9 | 0 | 6 |
| Opaleye Management Inc. | TenPercentOwner | 9 | 0 | 9 |
| Brynjelsen Sean | Director, Officer · President & CEO | 6 | 0 | 4 |
| Krempa David | Officer · Chief Business Officer | 3 | 0 | 1 |
Transactions
| Date | Insider | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-08-28 | Maier Paul V | M (A) | 12,500 | $7.31 | 72,245 | Form 4/A |
| 2026-08-28 | Maier Paul V | S (D) | 13,485 | $60.21 | 59,873 | Form 4/A |
| 2026-08-28 | Maier Paul V | S (D) | 128 | $61.77 | 59,745 | Form 4/A |
| 2026-08-28 | Maier Paul V | M (A) | 50,000 | $3.78 | 109,745 | Form 4/A |
| 2026-08-28 | Maier Paul V | S (D) | 36,387 | $58.64 | 73,358 | Form 4/A |
| 2026-08-28 | Maier Paul V | M (A) | 50,000 | $3.78 | 109,745 | Form 4 |
| 2026-08-28 | Maier Paul V | S (D) | 128 | $61.77 | 59,745 | Form 4 |
| 2026-08-28 | Maier Paul V | S (D) | 13,485 | $60.21 | 59,873 | Form 4 |
| 2026-08-28 | Maier Paul V | S (D) | 36,387 | $58.64 | 73,358 | Form 4 |
| 2026-08-24 | Krempa David | M (A) | 25,000 | $7.31 | 62,025 | Form 4 |
| 2026-08-24 | Krempa David | S (D) | 25,000 | $65.07 | 37,025 | Form 4 |
| 2026-08-20 | Brynjelsen Sean | S (D) | 7,342 | $62.12 | 961,194 | Form 4 |
| 2026-08-20 | Brynjelsen Sean | S (D) | 36,373 | $61.11 | 968,536 | Form 4 |
| 2026-08-20 | Brynjelsen Sean | S (D) | 47,307 | $60.17 | 1,004,909 | Form 4 |
| 2026-08-19 | Brynjelsen Sean | S (D) | 8,978 | $62.65 | 1,052,216 | Form 4 |
| 2026-07-14 | Opaleye Management Inc. | S (D) | 13,315 | $37.54 | 40,000 | Form 4/A |
| 2026-07-14 | Opaleye Management Inc. | S (D) | 15,000 | $37.54 | 2,665,000 | Form 4/A |
| 2026-07-14 | Opaleye Management Inc. | S (D) | 15,000 | $37.54 | 2,665,000 | Form 4 |
| 2026-07-14 | Opaleye Management Inc. | S (D) | 13,315 | $37.54 | 40,000 | Form 4 |
| 2026-07-14 | Brynjelsen Sean | M (A) | 200,000 | $1.37 | 1,061,194 | Form 4 |
| 2026-07-12 | Brynjelsen Sean | M (A) | 27,500 | — | 861,194 | Form 4 |
| 2026-07-12 | Krempa David | M (A) | 10,000 | — | 37,025 | Form 4 |
| 2026-07-07 | Opaleye Management Inc. | S (D) | 20,000 | $38.37 | 2,680,000 | Form 4 |
| 2026-07-07 | Opaleye Management Inc. | S (D) | 6,685 | $38.37 | 53,315 | Form 4 |
| 2026-07-06 | Opaleye Management Inc. | S (D) | 10,000 | $38 | 2,700,000 | Form 4 |
| 2026-07-02 | Opaleye Management Inc. | S (D) | 25,000 | $37.39 | 60,000 | Form 4 |
| 2026-07-02 | Opaleye Management Inc. | S (D) | 65,000 | $37.39 | 2,710,000 | Form 4 |
Transaction codes in this quarter
Get ETON insider transactions through the API
curl "https://sec-api.dev/api/v1/insider-transactions?period=2026q3&cik=1710340&limit=100" \
-H "Authorization: Bearer $SEC_API_KEY"Insider trading API guide · ETON company page · Eton Pharmaceuticals, Inc. on SEC.gov
Questions
Are insiders buying or selling Eton Pharmaceuticals, Inc. (ETON)?
In Q3 2026, insiders at Eton Pharmaceuticals, Inc. reported 27 non-derivative transactions on 18 Forms 3, 4 and 5: 0 open-market purchases and 20 sales worth $20.5M. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.
Where do these Eton Pharmaceuticals, Inc. insider trades come from?
From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.
Plain-text version for agents and LLMs: /insider-trading/eton.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.