In the last 12 months, insiders at Eton Pharmaceuticals, Inc. ($ETON) filed 80 transactions with the SEC: 13 open-market purchases totaling $1,144,309 and 10 sales totaling $4,770,642. Net insider sentiment: net selling.
Eton Pharmaceuticals, Inc. operates in the Pharmaceutical preparations industry (Life sciences sector).
Most Active Insiders
- BRYNJELSEN SEAN (President & CEO) — 13 transactions totaling $3,783,091
- Opaleye Management Inc. (TenPercentOwner) — 13 transactions totaling $1,144,309
- Gruber James R. (Chief Financial Officer) — 11 transactions totaling $786,355
- Krempa David (Chief Business Officer) — 12 transactions totaling $641,140
- RIEDEL NORBERT G (Director) — 13 transactions totaling $506,442
View all SEC Filings for Eton Pharmaceuticals, Inc. (ETON).
Set Up your own filters →Recent Insider Transactions
| Transaction Date | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 3, 2026 | RIEDEL NORBERT G | Director | X | Common Stock | 30000 | $4.42 | 192,145.0000 | 26,893,000 | 18.50% | 0.11% |
| Feb. 3, 2026 | RIEDEL NORBERT G | Director | X | Employee Stock Option (Right to Buy) | 30000 | $0.00 | 0.0000 | 26,893,000 | 100.00% | 0.11% |
| Jan. 12, 2026 | Erdogan-Trinkaus Ipek | Chief Commercial Officer | A | Restricted Stock Units | 25856 | $0.00 | 149,734.0000 | 26,893,000 | 20.87% | 0.10% |
| Jan. 12, 2026 | Erdogan-Trinkaus Ipek | Chief Commercial Officer | A | Employee Stock Option (Right to Buy) | 40655 | $0.00 | 123,878.0000 | 26,893,000 | 48.85% | 0.15% |
| Jan. 12, 2026 | MAIER PAUL V | Director | A | Restricted Stock Units | 7757 | $0.00 | 294,253.0000 | 26,893,000 | 2.71% | 0.03% |
| Jan. 12, 2026 | RIEDEL NORBERT G | Director | A | Employee Stock Option (Right to Buy) | 12196 | $0.00 | 286,496.0000 | 26,893,000 | 4.45% | 0.05% |
| Jan. 12, 2026 | RIEDEL NORBERT G | Director | A | Restricted Stock Units | 7757 | $0.00 | 294,253.0000 | 26,893,000 | 2.71% | 0.03% |
| Jan. 12, 2026 | Adams Jennifer McKie | Director | A | Employee Stock Option (Right to Buy) | 12196 | $0.00 | 170,329.0000 | 26,893,000 | 7.71% | 0.05% |
| Jan. 12, 2026 | Adams Jennifer McKie | Director | A | Restricted Stock Units | 7757 | $0.00 | 178,086.0000 | 26,893,000 | 4.55% | 0.03% |
| Jan. 12, 2026 | CASAMENTO CHARLES J | Director | A | Employee Stock Option (Right to Buy) | 12196 | $0.00 | 295,171.0000 | 26,893,000 | 4.31% | 0.05% |
| Jan. 12, 2026 | CASAMENTO CHARLES J | Director | A | Restricted Stock Units | 7757 | $0.00 | 302,928.0000 | 26,893,000 | 2.63% | 0.03% |
| Jan. 12, 2026 | MAIER PAUL V | Director | A | Employee Stock Option (Right to Buy) | 12196 | $0.00 | 286,496.0000 | 26,893,000 | 4.45% | 0.05% |
| Jan. 12, 2026 | Gruber James R. | Chief Financial Officer | A | Restricted Stock Units | 25856 | $0.00 | 279,931.0000 | 26,893,000 | 10.18% | 0.10% |
| Jan. 12, 2026 | Gruber James R. | Chief Financial Officer | A | Employee Stock Option (Right to Buy) | 40655 | $0.00 | 254,075.0000 | 26,893,000 | 19.05% | 0.15% |
| Jan. 14, 2026 | Gruber James R. | Chief Financial Officer | F | Common Stock | 2293 | $15.47 | 213,420.0000 | 26,893,000 | 1.06% | 0.01% |
| Jan. 12, 2026 | Krempa David | Chief Business Officer | A | Restricted Stock Units | 25856 | $0.00 | 696,749.0000 | 26,893,000 | 3.85% | 0.10% |
| Jan. 12, 2026 | Krempa David | Chief Business Officer | A | Employee Stock Option (Right to Buy) | 40655 | $0.00 | 670,893.0000 | 26,893,000 | 6.45% | 0.15% |
| Jan. 14, 2026 | Krempa David | Chief Business Officer | F | Common Stock | 1942 | $15.62 | 630,238.0000 | 26,893,000 | 0.31% | 0.01% |
| Jan. 12, 2026 | BRYNJELSEN SEAN | President & CEO | A | Employee Stock Option (Right to Buy) | 158046 | $0.00 | 3,047,312.0000 | 26,893,000 | 5.47% | 0.59% |
| Jan. 12, 2026 | BRYNJELSEN SEAN | President & CEO | A | Restricted Stock Units | 100517 | $0.00 | 3,147,829.0000 | 26,893,000 | 3.30% | 0.37% |
| Jan. 1, 2026 | BRYNJELSEN SEAN | President & CEO | F | Common Stock | 5015 | $15.39 | 2,889,266.0000 | 26,893,000 | 0.17% | 0.02% |
| Dec. 12, 2025 | BRYNJELSEN SEAN | President & CEO | F | Common Stock | 6732 | $16.83 | 2,894,281.0000 | 26,893,000 | 0.23% | 0.03% |
| Dec. 12, 2025 | Gruber James R. | Chief Financial Officer | F | Common Stock | 4542 | $16.99 | 215,713.0000 | 26,893,000 | 2.06% | 0.02% |
| Dec. 11, 2025 | Krempa David | Chief Business Officer | A | Restricted Stock Units | 5300 | $0.00 | 638,468.0000 | 26,893,000 | 0.84% | 0.02% |
| Dec. 12, 2025 | Krempa David | Chief Business Officer | F | Common Stock | 6264 | $17.00 | 632,180.0000 | 26,893,000 | 0.98% | 0.02% |
| Dec. 12, 2025 | Erdogan-Trinkaus Ipek | Chief Commercial Officer | F | Common Stock | 85 | $16.90 | 2,403.0000 | 26,893,000 | 3.42% | 0.00% |
| Dec. 11, 2025 | Gruber James R. | Chief Financial Officer | A | Restricted Stock Units | 5502 | $0.00 | 210,255.0000 | 26,893,000 | 2.69% | 0.02% |
| Aug. 20, 2025 | Gruber James R. | Chief Financial Officer | S | Common Stock | 2631 | $16.02 | 204,753.0000 | 25,895,086 | 1.27% | 0.01% |
| Aug. 19, 2025 | Gruber James R. | Chief Financial Officer | S | Common Stock | 39082 | $16.16 | 205,299.0000 | 25,895,086 | 15.99% | 0.15% |
| June 12, 2025 | Krempa David | Chief Business Officer | S | Common Stock | 16977 | $14.92 | 629,669.0000 | 25,895,086 | 2.63% | 0.07% |
| June 16, 2025 | Krempa David | Chief Business Officer | S | Common Stock | 10223 | $14.73 | 612,646.0000 | 25,895,086 | 1.64% | 0.04% |
| June 13, 2025 | Krempa David | Chief Business Officer | S | Common Stock | 6800 | $14.77 | 622,869.0000 | 25,895,086 | 1.08% | 0.03% |
| June 10, 2025 | Opaleye Management Inc. | TenPercentOwner | P | Common Stock, par value $0.001 per share | 2930 | $15.82 | 2,855,000.0000 | 25,895,086 | 0.10% | 0.01% |
| June 10, 2025 | Opaleye Management Inc. | TenPercentOwner | P | Common Stock, par value $0.001 per share | 5000 | $15.82 | 2,855,000.0000 | 25,895,086 | 0.18% | 0.02% |
| June 4, 2025 | BRYNJELSEN SEAN | President & CEO | S | Common Stock | 70000 | $17.00 | 2,943,513.0000 | 25,895,086 | 2.32% | 0.27% |
| June 3, 2025 | BRYNJELSEN SEAN | President & CEO | S | Common Stock | 60945 | $17.38 | 3,022,568.0000 | 25,895,086 | 1.98% | 0.24% |
| June 3, 2025 | BRYNJELSEN SEAN | President & CEO | S | Common Stock | 8655 | $18.38 | 3,013,913.0000 | 25,895,086 | 0.29% | 0.03% |
| June 3, 2025 | BRYNJELSEN SEAN | President & CEO | S | Common Stock | 400 | $19.02 | 3,013,513.0000 | 25,895,086 | 0.01% | 0.00% |
| June 5, 2025 | BRYNJELSEN SEAN | President & CEO | S | Common Stock | 70000 | $16.81 | 2,873,513.0000 | 25,895,086 | 2.38% | 0.27% |
| Jan. 3, 2025 | Gruber James R. | Chief Financial Officer | A | Restricted Stock Units | 25876 | $0.00 | 25,876.0000 | 25,895,086 | 9999.99% | 0.10% |
| Jan. 3, 2025 | Adams Jennifer McKie | Director | A | Employee Stock Option (Right to Buy) | 25000 | $0.00 | 25,000.0000 | 25,895,086 | 9999.99% | 0.10% |
| Jan. 3, 2025 | RIEDEL NORBERT G | Director | M | Common Stock | 27400 | $3.58 | 87,145.0000 | 25,895,086 | 45.86% | 0.11% |
| Jan. 3, 2025 | RIEDEL NORBERT G | Director | M | Common Stock | 50000 | $3.78 | 137,145.0000 | 25,895,086 | 57.38% | 0.19% |
| Jan. 3, 2025 | RIEDEL NORBERT G | Director | M | Common Stock | 25000 | $3.47 | 162,145.0000 | 25,895,086 | 18.23% | 0.10% |
| Jan. 3, 2025 | RIEDEL NORBERT G | Director | M | Employee Stock Option (Right to Buy) | 27400 | $0.00 | 0.0000 | 25,895,086 | 100.00% | 0.11% |
| Jan. 3, 2025 | RIEDEL NORBERT G | Director | M | Employee Stock Option (Right to Buy) | 50000 | $0.00 | 0.0000 | 25,895,086 | 100.00% | 0.19% |
| Jan. 3, 2025 | RIEDEL NORBERT G | Director | M | Employee Stock Option (Right to Buy) | 25000 | $0.00 | 0.0000 | 25,895,086 | 100.00% | 0.10% |
| Jan. 3, 2025 | CASAMENTO CHARLES J | Director | A | Employee Stock Option (Right to Buy) | 25000 | $0.00 | 25,000.0000 | 25,895,086 | 9999.99% | 0.10% |
| Jan. 3, 2025 | RIEDEL NORBERT G | Director | A | Employee Stock Option (Right to Buy) | 25000 | $0.00 | 25,000.0000 | 25,895,086 | 9999.99% | 0.10% |
| Jan. 3, 2025 | MAIER PAUL V | Director | A | Employee Stock Option (Right to Buy) | 25000 | $0.00 | 25,000.0000 | 25,895,086 | 9999.99% | 0.10% |
| Jan. 3, 2025 | BRYNJELSEN SEAN | President & CEO | A | Employee Stock Option (Right to Buy) | 107469 | $0.00 | 107,469.0000 | 25,895,086 | 9999.99% | 0.42% |
| Jan. 3, 2025 | BRYNJELSEN SEAN | President & CEO | A | Restricted Stock Units | 72004 | $0.00 | 72,004.0000 | 25,895,086 | 9999.99% | 0.28% |
| Jan. 3, 2025 | Krempa David | Chief Business Officer | A | Employee Stock Option (Right to Buy) | 38621 | $0.00 | 38,621.0000 | 25,895,086 | 9999.99% | 0.15% |
| Jan. 3, 2025 | Krempa David | Chief Business Officer | A | Restricted Stock Units | 25876 | $0.00 | 25,876.0000 | 25,895,086 | 9999.99% | 0.10% |
| Jan. 3, 2025 | Gruber James R. | Chief Financial Officer | A | Employee Stock Option (Right to Buy) | 38621 | $0.00 | 38,621.0000 | 25,895,086 | 9999.99% | 0.15% |
| Oct. 23, 2024 | Opaleye Management Inc. | TenPercentOwner | P | Common Stock, par value $0.001 per share | 10000 | $7.98 | 2,770,000.0000 | 25,900,000 | 0.36% | 0.04% |
| Oct. 7, 2024 | Opaleye Management Inc. | TenPercentOwner | P | Common Stock, par value $0.001 per share | 1248 | $7.22 | 2,808,100.0000 | 25,900,000 | 0.04% | 0.00% |
| Oct. 8, 2024 | Opaleye Management Inc. | TenPercentOwner | P | Common Stock, par value $0.001 per share | 3970 | $7.03 | 2,812,070.0000 | 25,900,000 | 0.14% | 0.02% |
| Oct. 8, 2024 | Opaleye Management Inc. | TenPercentOwner | P | Common Stock, par value $0.001 per share | 30000 | $7.03 | 5,490,000.0000 | 25,900,000 | 0.55% | 0.12% |
| Oct. 7, 2024 | Opaleye Management Inc. | TenPercentOwner | P | Common Stock, par value $0.001 per share | 10000 | $7.22 | 2,812,070.0000 | 25,900,000 | 0.36% | 0.04% |
| Oct. 4, 2024 | Opaleye Management Inc. | TenPercentOwner | P | Common Stock, par value $0.001 per share | 1852 | $6.77 | 2,806,852.0000 | 25,900,000 | 0.07% | 0.01% |
| Oct. 4, 2024 | Opaleye Management Inc. | TenPercentOwner | P | Common Stock, par value $0.001 per share | 15000 | $6.77 | 2,802,070.0000 | 25,900,000 | 0.54% | 0.06% |
| Oct. 2, 2024 | Krempa David | Chief Business Officer | A | Restricted Stock Units | 42088 | $0.00 | 861,374.0000 | 25,900,000 | 5.14% | 0.16% |
| Sept. 11, 2024 | Opaleye Management Inc. | TenPercentOwner | P | Common Stock, par value $0.001 per share | 5000 | $4.75 | 2,780,000.0000 | 25,645,366 | 0.18% | 0.02% |
| Sept. 10, 2024 | Opaleye Management Inc. | TenPercentOwner | P | Common Stock, par value $0.001 per share | 50000 | $4.65 | 2,735,000.0000 | 25,645,366 | 1.86% | 0.19% |
| Sept. 10, 2024 | Opaleye Management Inc. | TenPercentOwner | P | Common Stock, par value $0.001 per share | 7500 | $4.65 | 2,775,000.0000 | 25,645,366 | 0.27% | 0.03% |
| Sept. 11, 2024 | Opaleye Management Inc. | TenPercentOwner | P | Common Stock, par value $0.001 per share | 45000 | $4.75 | 2,780,000.0000 | 25,645,366 | 1.65% | 0.18% |
| Feb. 13, 2024 | Gruber James R. | Chief Financial Officer | A | Stock Option (Right to buy) | 144677 | $0.00 | 374,763.0000 | 25,645,366 | 62.88% | 0.56% |
| Feb. 13, 2024 | RIEDEL NORBERT G | Director | A | Stock Option (Right to buy) | 30000 | $0.00 | 164,555.0000 | 25,645,366 | 22.30% | 0.12% |
| Feb. 13, 2024 | MAIER PAUL V | Director | A | Stock Option (Right to buy) | 30000 | $0.00 | 164,555.0000 | 25,645,366 | 22.30% | 0.12% |
| Feb. 13, 2024 | Krempa David | Chief Business Officer | A | Stock Option (Right to buy) | 144677 | $0.00 | 813,430.0000 | 25,645,366 | 21.63% | 0.56% |
| Feb. 13, 2024 | CASAMENTO CHARLES J | Director | A | Stock Option (Right to buy) | 30000 | $0.00 | 164,555.0000 | 25,645,366 | 22.30% | 0.12% |
| Feb. 13, 2024 | BRYNJELSEN SEAN | President & CEO | A | Stock Option (Right to buy) | 438633 | $0.00 | 2,473,014.0000 | 25,645,366 | 21.56% | 1.71% |
| Feb. 13, 2024 | Adams Jennifer McKie | Director | A | Stock Option (Right to buy) | 30000 | $0.00 | 133,133.0000 | 25,645,366 | 29.09% | 0.12% |
| March 3, 2023 | Adams Jennifer McKie | Director | A | Stock Option (Right to buy) | 25000 | $0.00 | 103,133.0000 | 25,146,000 | 32.00% | 0.10% |
| March 3, 2023 | BRYNJELSEN SEAN | President & CEO | A | Stock Option (Right to buy) | 350381 | $0.00 | 1,951,881.0000 | 25,146,000 | 21.88% | 1.39% |
| March 3, 2023 | MAIER PAUL V | Director | A | Stock Option(Right to buy) | 25000 | $0.00 | 134,555.0000 | 25,146,000 | 22.82% | 0.10% |
| March 3, 2023 | RIEDEL NORBERT G | Director | A | Stock Option (Right to buy) | 25000 | $0.00 | 134,555.0000 | 25,146,000 | 22.82% | 0.10% |
| March 3, 2023 | CASAMENTO CHARLES J | Director | A | Stock Option (Right to buy) | 25000 | $0.00 | 134,555.0000 | 25,146,000 | 22.82% | 0.10% |
| March 3, 2023 | Gruber James R. | Chief Financial Officer | A | Stock Option (right to buy) | 100086 | $0.00 | 200,086.0000 | 25,146,000 | 100.09% | 0.40% |