Eton Pharmaceuticals, Inc. — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| Erdogan-Trinkaus Ipek | Chief Commercial Officer | Tax Withholding | 85 | $16.90 | $1,436 | 2,403 | Dec 12, 2025 |
| Krempa David | Chief Business Officer | Tax Withholding | 6,264 | $17.00 | $106,488 | 632,180 | Dec 12, 2025 |
| Gruber James R. | Chief Financial Officer | Tax Withholding | 4,542 | $16.99 | $77,169 | 215,713 | Dec 12, 2025 |
| BRYNJELSEN SEAN | President & CEO | Tax Withholding | 6,732 | $16.83 | $113,300 | 2,894,281 | Dec 12, 2025 |
| Gruber James R. | Chief Financial Officer | Sale | 39,082 | $16.16 | $631,565 | 205,299 | Aug 20, 2025 |
| Krempa David | Chief Business Officer | Sale | 6,800 | $14.77 | $100,436 | 622,869 | Jun 16, 2025 |
| Opaleye Management Inc. | — | Purchase | 5,000 | $15.82 | $79,100 | 2,770,000 | Jun 10, 2025 |
| BRYNJELSEN SEAN | President & CEO | Sale | 400 | $19.02 | $7,608 | 3,013,513 | Jun 4, 2025 |
| RIEDEL NORBERT G | — | Option Exercise | 50,000 | $3.78 | $189,000 | 137,145 | Jan 3, 2025 |
| Opaleye Management Inc. | — | Purchase | 10,000 | $7.98 | $79,800 | 2,770,000 | Oct 23, 2024 |
| Opaleye Management Inc. | — | Purchase | 15,000 | $6.77 | $101,550 | 2,720,000 | Oct 8, 2024 |
| Opaleye Management Inc. | — | Purchase | 7,500 | $4.65 | $34,875 | 70,000 | Sep 10, 2024 |
| BRYNJELSEN SEAN | Chief Executive Officer | Purchase | 10,000 | $2.10 | $21,000 | 1,040,000 | Sep 22, 2022 |
| Opaleye Management Inc. | — | Sale | 25,000 | $4.67 | $116,750 | 2,375,000 | Nov 17, 2021 |
| Opaleye Management Inc. | — | Sale | 11,500 | $4.86 | $55,890 | 2,400,000 | Nov 16, 2021 |
| Opaleye Management Inc. | — | Sale | 2,661 | $6.10 | $16,232 | 86,438 | Nov 8, 2021 |
| Opaleye Management Inc. | — | Sale | 81,700 | $6.44 | $526,148 | 2,623,300 | Nov 3, 2021 |
| Opaleye Management Inc. | — | Sale | 1,601 | $5.01 | $8,021 | 112,807 | Oct 12, 2021 |
| BRYNJELSEN SEAN | President & CEO | Purchase | 10,000 | $4.32 | $43,200 | 1,030,000 | Aug 20, 2021 |
| Troutman William Wilson | CFO, Treasurer & Secretary | Purchase | 5,000 | $4.43 | $22,150 | 23,027 | Aug 20, 2021 |
| Opaleye Management Inc. | — | Sale | 5,500 | $5.85 | $32,175 | 132,100 | Aug 4, 2021 |
| Opaleye Management Inc. | — | Sale | 4,000 | $8.07 | $32,280 | 141,600 | Jun 15, 2021 |
| Opaleye Management Inc. | — | Sale | 101,000 | $8.07 | $815,070 | 3,551,100 | Jun 15, 2021 |
| BRYNJELSEN SEAN | President & CEO | Purchase | 5,000 | $5.96 | $29,800 | 1,030,000 | Jun 3, 2021 |
| Opaleye Management Inc. | — | Sale | 2,800 | $8.57 | $23,996 | 150,200 | May 26, 2021 |
| HARROW HEALTH, INC. | — | Sale | 1,518,000 | $7.00 | $10,626,000 | 1,982,000 | Apr 12, 2021 |
| Opaleye Management Inc. | — | Purchase | 385,000 | $7.00 | $2,695,000 | 3,885,000 | Oct 16, 2020 |
| CASAMENTO CHARLES J | — | Gift | 3,500 | — | — | 68,420 | Mar 19, 2020 |
| BRYNJELSEN SEAN | President & CEO | Purchase | 5,000 | $6.15 | $30,750 | 1,025,000 | Aug 13, 2019 |
| CASAMENTO CHARLES J | — | Purchase | 3,500 | $6.11 | $21,385 | 71,920 | Aug 9, 2019 |
| BRYNJELSEN SEAN | President & CEO | Purchase | 1,400 | $7.78 | $10,892 | 1,011,400 | May 21, 2019 |
| BAUM MARK L | — | Purchase | 10,000 | $6.00 | $60,000 | 10,000 | Nov 15, 2018 |
| Troutman William Wilson | CFO, Treasurer & Secretary | Purchase | 5,000 | $6.00 | $30,000 | 5,000 | Nov 15, 2018 |
| RIEDEL NORBERT G | — | Purchase | 5,000 | $6.00 | $30,000 | 59,745 | Nov 15, 2018 |
| MAIER PAUL V | — | Purchase | 5,000 | $6.00 | $30,000 | 59,745 | Nov 15, 2018 |
| BRYNJELSEN SEAN | President & CEO | Purchase | 10,000 | $6.00 | $60,000 | 1,010,000 | Nov 15, 2018 |
| CASAMENTO CHARLES J | — | C | 8,675 | — | — | 63,420 | Nov 15, 2018 |