ETON
Eton Pharmaceuticals Inc
NASDAQ: ETON · HEALTHCARE · DRUG MANUFACTURERS - SPECIALTY & GENERIC
$24.12
+2.29% today
Updated 2026-04-30
Market cap
$628.09M
P/E ratio
—
P/S ratio
7.86x
EPS (TTM)
$-0.17
Dividend yield
—
52W range
$13 – $27
Volume
0.4M
Eton Pharmaceuticals Inc (ETON) Insider transactions
Net insider activity
Net buying (2,632,633 shares)
Buy transactions
68
Sell transactions
32
All transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-02-03 | RIEDEL, NORBERT G | Director | Sale | 30,000 | — | — |
| 2026-02-03 | RIEDEL, NORBERT G | Director | Buy | 30,000 | $4.42 | $132600.00 |
| 2026-01-14 | KREMPA, DAVID | Chief Business Officer | Sale | 1,942 | $15.62 | $30334.04 |
| 2026-01-14 | GRUBER, JAMES R. | Chief Financial Officer | Sale | 2,293 | $15.47 | $35472.71 |
| 2026-01-12 | RIEDEL, NORBERT G | Director | Buy | 7,757 | — | — |
| 2026-01-12 | RIEDEL, NORBERT G | Director | Buy | 12,196 | — | — |
| 2026-01-12 | MAIER, PAUL V | Director | Buy | 7,757 | — | — |
| 2026-01-12 | MAIER, PAUL V | Director | Buy | 12,196 | — | — |
| 2026-01-12 | KREMPA, DAVID | Chief Business Officer | Buy | 25,856 | — | — |
| 2026-01-12 | KREMPA, DAVID | Chief Business Officer | Buy | 40,655 | — | — |
| 2026-01-12 | GRUBER, JAMES R. | Chief Financial Officer | Buy | 25,856 | — | — |
| 2026-01-12 | GRUBER, JAMES R. | Chief Financial Officer | Buy | 40,655 | — | — |
| 2026-01-12 | ERDOGAN-TRINKAUS, IPEK | Chief Commercial Officer | Buy | 25,856 | — | — |
| 2026-01-12 | ERDOGAN-TRINKAUS, IPEK | Chief Commercial Officer | Buy | 40,655 | — | — |
| 2026-01-12 | CASAMENTO, CHARLES J | Director | Buy | 7,757 | — | — |
| 2026-01-12 | CASAMENTO, CHARLES J | Director | Buy | 12,196 | — | — |
| 2026-01-12 | BRYNJELSEN, SEAN | Director, President & CEO, 10% Owner | Buy | 100,517 | — | — |
| 2026-01-12 | BRYNJELSEN, SEAN | Director, President & CEO, 10% Owner | Buy | 158,046 | — | — |
| 2026-01-12 | ADAMS, JENNIFER MCKIE | Director | Buy | 7,757 | — | — |
| 2026-01-12 | ADAMS, JENNIFER MCKIE | Director | Buy | 12,196 | — | — |
| 2026-01-01 | BRYNJELSEN, SEAN | Director, President & CEO, 10% Owner | Sale | 5,015 | $15.39 | $77180.85 |
| 2025-12-12 | KREMPA, DAVID | Chief Business Officer | Sale | 6,264 | $17.00 | $106488.00 |
| 2025-12-12 | GRUBER, JAMES R. | Chief Financial Officer | Sale | 4,542 | $16.99 | $77168.58 |
| 2025-12-12 | ERDOGAN-TRINKAUS, IPEK | Chief Commercial Officer | Sale | 85 | $16.90 | $1436.50 |
| 2025-12-12 | BRYNJELSEN, SEAN | Director, President & CEO, 10% Owner | Sale | 6,732 | $16.83 | $113299.56 |
| 2025-12-11 | KREMPA, DAVID | Chief Business Officer | Buy | 5,300 | — | — |
| 2025-12-11 | GRUBER, JAMES R. | Chief Financial Officer | Buy | 5,502 | — | — |
| 2025-08-20 | GRUBER, JAMES R. | Chief Financial Officer | Sale | 2,631 | $16.02 | $42148.62 |
| 2025-08-19 | GRUBER, JAMES R. | Chief Financial Officer | Sale | 39,082 | $16.16 | $631565.12 |
| 2025-06-16 | KREMPA, DAVID | Chief Business Officer | Sale | 10,223 | $14.73 | $150584.79 |
| 2025-06-13 | KREMPA, DAVID | Chief Business Officer | Sale | 6,800 | $14.77 | $100436.00 |
| 2025-06-12 | KREMPA, DAVID | Chief Business Officer | Sale | 16,977 | $14.92 | $253296.84 |
| 2025-06-10 | OPALEYE, MANAGEMENT INC. | 10% Owner | Buy | 5,000 | $15.82 | $79119.50 |
| 2025-06-10 | OPALEYE, MANAGEMENT INC. | 10% Owner | Buy | 2,930 | $15.82 | $46364.03 |
| 2025-06-05 | BRYNJELSEN, SEAN | Director, President & CEO, 10% Owner | Sale | 70,000 | $16.81 | $1.18M |
| 2025-06-04 | BRYNJELSEN, SEAN | Director, President & CEO, 10% Owner | Sale | 70,000 | $17.00 | $1.19M |
| 2025-06-03 | BRYNJELSEN, SEAN | Director, President & CEO, 10% Owner | Sale | 60,945 | $17.38 | $1.06M |
| 2025-06-03 | BRYNJELSEN, SEAN | Director, President & CEO, 10% Owner | Sale | 8,655 | $18.38 | $159078.90 |
| 2025-06-03 | BRYNJELSEN, SEAN | Director, President & CEO, 10% Owner | Sale | 400 | $19.02 | $7608.00 |
| 2025-01-03 | RIEDEL, NORBERT G | Director | Sale | 50,000 | — | — |
| 2025-01-03 | RIEDEL, NORBERT G | Director | Sale | 27,400 | — | — |
| 2025-01-03 | RIEDEL, NORBERT G | Director | Buy | 25,000 | — | — |
| 2025-01-03 | RIEDEL, NORBERT G | Director | Buy | 50,000 | $3.78 | $189000.00 |
| 2025-01-03 | RIEDEL, NORBERT G | Director | Buy | 27,400 | $3.58 | $98092.00 |
| 2025-01-03 | RIEDEL, NORBERT G | Director | Buy | 25,000 | $3.47 | $86750.00 |
| 2025-01-03 | MAIER, PAUL V | Director | Buy | 25,000 | — | — |
| 2025-01-03 | KREMPA, DAVID | Chief Business Officer | Buy | 25,876 | — | — |
| 2025-01-03 | KREMPA, DAVID | Chief Business Officer | Buy | 38,621 | — | — |
| 2025-01-03 | GRUBER, JAMES R. | Chief Financial Officer | Buy | 25,876 | — | — |
| 2025-01-03 | GRUBER, JAMES R. | Chief Financial Officer | Buy | 38,621 | — | — |
| 2025-01-03 | CASAMENTO, CHARLES J | Director | Buy | 25,000 | — | — |
| 2025-01-03 | BRYNJELSEN, SEAN | Director, President & CEO | Buy | 72,004 | — | — |
| 2025-01-03 | BRYNJELSEN, SEAN | Director, President & CEO | Buy | 107,469 | — | — |
| 2025-01-03 | ADAMS, JENNIFER MCKIE | Director | Buy | 25,000 | — | — |
| 2024-10-23 | OPALEYE, MANAGEMENT INC. | 10% Owner | Buy | 10,000 | $7.98 | $79814.00 |
| 2024-10-08 | OPALEYE, MANAGEMENT INC. | 10% Owner | Buy | 30,000 | $7.03 | $210876.00 |
| 2024-10-08 | OPALEYE, MANAGEMENT INC. | 10% Owner | Buy | 3,970 | $7.03 | $27905.92 |
| 2024-10-07 | OPALEYE, MANAGEMENT INC. | 10% Owner | Buy | 10,000 | $7.22 | $72235.00 |
| 2024-10-07 | OPALEYE, MANAGEMENT INC. | 10% Owner | Buy | 1,248 | $7.22 | $9014.93 |
| 2024-10-04 | OPALEYE, MANAGEMENT INC. | 10% Owner | Buy | 15,000 | $6.77 | $101565.00 |
| 2024-10-04 | OPALEYE, MANAGEMENT INC. | 10% Owner | Buy | 1,852 | $6.77 | $12539.89 |
| 2024-10-02 | KREMPA, DAVID | Chief Business Officer | Buy | 42,088 | — | — |
| 2024-09-11 | OPALEYE, MANAGEMENT INC. | 10% Owner | Buy | 45,000 | $4.75 | $213750.00 |
| 2024-09-11 | OPALEYE, MANAGEMENT INC. | 10% Owner | Buy | 5,000 | $4.75 | $23750.00 |
| 2024-09-10 | OPALEYE, MANAGEMENT INC. | 10% Owner | Buy | 50,000 | $4.65 | $232500.00 |
| 2024-09-10 | OPALEYE, MANAGEMENT INC. | 10% Owner | Buy | 7,500 | $4.65 | $34875.00 |
| 2024-02-13 | RIEDEL, NORBERT G | Director | Buy | 30,000 | — | — |
| 2024-02-13 | MAIER, PAUL V | Director | Buy | 30,000 | — | — |
| 2024-02-13 | KREMPA, DAVID | Chief Business Officer | Buy | 144,677 | — | — |
| 2024-02-13 | GRUBER, JAMES R. | Chief Financial Officer | Buy | 144,677 | — | — |
| 2024-02-13 | CASAMENTO, CHARLES J | Director | Buy | 30,000 | — | — |
| 2024-02-13 | BRYNJELSEN, SEAN | Director, President & CEO | Buy | 438,633 | — | — |
| 2024-02-13 | ADAMS, JENNIFER MCKIE | Director | Buy | 30,000 | — | — |
| 2023-03-03 | RIEDEL, NORBERT G | Director | Buy | 25,000 | — | — |
| 2023-03-03 | MAIER, PAUL V | Director | Buy | 25,000 | — | — |
| 2023-03-03 | GRUBER, JAMES R. | Chief Financial Officer | Buy | 100,086 | — | — |
| 2023-03-03 | CASAMENTO, CHARLES J | Director | Buy | 25,000 | — | — |
| 2023-03-03 | BRYNJELSEN, SEAN | Director, President & CEO | Buy | 350,381 | — | — |
| 2023-03-03 | ADAMS, JENNIFER MCKIE | Director | Buy | 25,000 | — | — |
| 2022-09-22 | BRYNJELSEN, SEAN | Director, Chief Executive Officer | Buy | 10,000 | $2.10 | $21042.00 |
| 2022-07-12 | GRUBER, JAMES R. | Chief Financial Officer | Buy | 40,000 | — | — |
| 2022-07-12 | BRYNJELSEN, SEAN | Chief Executive Officer | Buy | 110,000 | — | — |
| 2022-02-07 | TROUTMAN, WILLIAM WILSON | CFO and Secretary | Buy | 15,000 | — | — |
| 2022-02-07 | RIEDEL, NORBERT G | Director | Buy | 50,000 | — | — |
| 2022-02-07 | MAIER, PAUL V | Director | Buy | 50,000 | — | — |
| 2022-02-07 | CASAMENTO, CHARLES J | Director | Buy | 50,000 | — | — |
| 2022-02-07 | BRYNJELSEN, SEAN | Director, President & CEO | Buy | 416,500 | — | — |
| 2022-02-07 | ADAMS, JENNIFER MCKIE | Director | Buy | 50,000 | — | — |
| 2021-11-17 | OPALEYE, MANAGEMENT INC. | 10% Owner | Sale | 25,000 | $4.67 | $116712.50 |
| 2021-11-16 | OPALEYE, MANAGEMENT INC. | 10% Owner | Sale | 11,500 | $4.86 | $55911.85 |
| 2021-11-16 | OPALEYE, MANAGEMENT INC. | 10% Owner | Sale | 938 | $4.86 | $4560.46 |
| 2021-11-15 | OPALEYE, MANAGEMENT INC. | 10% Owner | Sale | 2,500 | $4.80 | $12004.00 |
| 2021-11-15 | OPALEYE, MANAGEMENT INC. | 10% Owner | Sale | 500 | $4.80 | $2400.80 |
| 2021-11-08 | OPALEYE, MANAGEMENT INC. | 10% Owner | Sale | 50,000 | $6.10 | $305050.00 |
| 2021-11-08 | OPALEYE, MANAGEMENT INC. | 10% Owner | Sale | 2,661 | $6.10 | $16234.76 |
| 2021-11-05 | OPALEYE, MANAGEMENT INC. | 10% Owner | Sale | 159,300 | $6.30 | $1.00M |
| 2021-11-05 | OPALEYE, MANAGEMENT INC. | 10% Owner | Sale | 8,401 | $6.30 | $52935.54 |
| 2021-11-04 | OPALEYE, MANAGEMENT INC. | 10% Owner | Sale | 81,700 | $6.44 | $525902.90 |
| 2021-11-04 | OPALEYE, MANAGEMENT INC. | 10% Owner | Sale | 4,000 | $6.44 | $25748.00 |
| 2021-11-03 | OPALEYE, MANAGEMENT INC. | 10% Owner | Sale | 110,000 | $6.53 | $718399.00 |