Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Eton Pharmaceuticals, Inc. (ETON) since 2018 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Eton Pharmaceuticals, Inc.. Table 2 shows the detailed insider transactions. This company's CIK number is 1710340.
Total stock buying since 2018: $4,431,938.
Total stock sales since 2018: $25,092,279.
Total stock option exercises since 2018: $369,664.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2025 | 7,930 | $125,484 | 251,713 | $4,318,613 | 102,400 | $369,664 |
| 2024 | 179,570 | $1,018,819 | 0 | $0 | 0 | $0 |
| 2022 | 10,000 | $21,040 | 0 | $0 | 0 | $0 |
| 2021 | 20,000 | $95,150 | 3,097,900 | $20,773,666 | 0 | $0 |
| 2020 | 400,000 | $2,800,000 | 0 | $0 | 0 | $0 |
| 2019 | 18,500 | $131,445 | 0 | $0 | 0 | $0 |
| 2018 | 40,000 | $240,000 | 0 | $0 | 0 | $0 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2025-08 | 0 | $0 | 41,713 | $673,713 | 0 | $0 |
| 2025-06 | 7,930 | $125,484 | 210,000 | $3,644,900 | 0 | $0 |
| 2025-01 | 0 | $0 | 0 | $0 | 102,400 | $369,664 |
| 2024-10 | 72,070 | $513,944 | 0 | $0 | 0 | $0 |
| 2024-09 | 107,500 | $504,875 | 0 | $0 | 0 | $0 |
| 2022-09 | 10,000 | $21,040 | 0 | $0 | 0 | $0 |
| 2021-11 | 0 | $0 | 463,000 | $2,882,081 | 0 | $0 |
| 2021-10 | 0 | $0 | 165,100 | $830,680 | 0 | $0 |
| 2021-08 | 15,000 | $65,350 | 604,500 | $3,523,045 | 0 | $0 |
| 2021-06 | 5,000 | $29,800 | 105,000 | $847,350 | 0 | $0 |
| 2021-05 | 0 | $0 | 242,300 | $2,064,510 | 0 | $0 |
| 2021-04 | 0 | $0 | 1,518,000 | $10,626,000 | 0 | $0 |
| 2020-10 | 400,000 | $2,800,000 | 0 | $0 | 0 | $0 |
| 2019-08 | 8,500 | $52,121 | 0 | $0 | 0 | $0 |
| 2019-05 | 10,000 | $79,324 | 0 | $0 | 0 | $0 |
| 2018-11 | 40,000 | $240,000 | 0 | $0 | 0 | $0 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-08-20 | Gruber James R. (Chief Financial Officer) | Sale | 2,631 | 16.02 | 42,148 |
| 2025-08-19 | Gruber James R. (Chief Financial Officer) | Sale | 39,082 | 16.16 | 631,565 |
| 2025-06-10 | Opaleye Management Inc. | Buy | 7,930 | 15.82 | 125,484 |
| 2025-06-05 | Brynjelsen Sean (President & CEO) | Sale | 70,000 | 16.81 | 1,176,700 |
| 2025-06-04 | Brynjelsen Sean (President & CEO) | Sale | 70,000 | 17.00 | 1,190,000 |
| 2025-06-03 | Brynjelsen Sean (President & CEO) | Sale | 70,000 | 18.26 | 1,278,200 |
| 2025-01-03 | Riedel Norbert G (Director) | Option Ex | 102,400 | 3.61 | 369,664 |
| 2024-10-23 | Opaleye Management Inc. | Buy | 10,000 | 7.98 | 79,810 |
| 2024-10-08 | Opaleye Management Inc. | Buy | 33,970 | 7.03 | 238,775 |
| 2024-10-07 | Opaleye Management Inc. | Buy | 11,248 | 7.22 | 81,255 |
| 2024-10-04 | Opaleye Management Inc. | Buy | 16,852 | 6.77 | 114,104 |
| 2024-09-11 | Opaleye Management Inc. | Buy | 50,000 | 4.75 | 237,500 |
| 2024-09-10 | Opaleye Management Inc. | Buy | 57,500 | 4.65 | 267,375 |
| 2022-09-22 | Brynjelsen Sean (Chief Executive Officer) | Buy | 10,000 | 2.10 | 21,040 |
| 2021-11-17 | Opaleye Management Inc. | Sale | 25,000 | 4.67 | 116,724 |
| 2021-11-16 | Opaleye Management Inc. | Sale | 12,438 | 4.86 | 60,473 |
| 2021-11-15 | Opaleye Management Inc. | Sale | 3,000 | 4.80 | 14,405 |
| 2021-11-08 | Opaleye Management Inc. | Sale | 52,661 | 6.10 | 321,284 |
| 2021-11-05 | Opaleye Management Inc. | Sale | 167,701 | 6.30 | 1,056,684 |
| 2021-11-04 | Opaleye Management Inc. | Sale | 85,700 | 6.44 | 551,650 |
| 2021-11-03 | Opaleye Management Inc. | Sale | 116,500 | 6.53 | 760,861 |
| 2021-10-12 | Opaleye Management Inc. | Sale | 87,307 | 5.06 | 441,511 |
| 2021-10-11 | Opaleye Management Inc. | Sale | 34,101 | 5.01 | 170,709 |
| 2021-10-08 | Opaleye Management Inc. | Sale | 43,692 | 5.00 | 218,460 |
| 2021-08-20 | Troutman William Wilson (CFO, Treasurer & Secretary) | Buy | 5,000 | 4.43 | 22,150 |
| 2021-08-20 | Brynjelsen Sean (President & CEO) | Buy | 10,000 | 4.32 | 43,200 |
| 2021-08-06 | Opaleye Management Inc. | Sale | 345,000 | 5.84 | 2,014,800 |
| 2021-08-05 | Opaleye Management Inc. | Sale | 155,500 | 5.85 | 910,141 |
| 2021-08-04 | Opaleye Management Inc. | Sale | 104,000 | 5.75 | 598,104 |
| 2021-06-15 | Opaleye Management Inc. | Sale | 105,000 | 8.07 | 847,350 |
| 2021-06-03 | Brynjelsen Sean (President & CEO) | Buy | 5,000 | 5.96 | 29,800 |
| 2021-05-27 | Opaleye Management Inc. | Sale | 126,000 | 8.49 | 1,069,740 |
| 2021-05-26 | Opaleye Management Inc. | Sale | 68,300 | 8.57 | 585,331 |
| 2021-05-25 | Opaleye Management Inc. | Sale | 48,000 | 8.53 | 409,439 |
| 2021-04-12 | Harrow Health, Inc. | Sale | 1,518,000 | 7.00 | 10,626,000 |
| 2020-10-16 | Opaleye Management Inc. | Buy | 400,000 | 7.00 | 2,800,000 |
| 2019-08-13 | Brynjelsen Sean (President & CEO) | Buy | 5,000 | 6.15 | 30,750 |
| 2019-08-09 | Casamento Charles J (Director) | Buy | 3,500 | 6.11 | 21,371 |
| 2019-05-21 | Brynjelsen Sean (President & CEO) | Buy | 8,600 | 7.96 | 68,430 |
| 2019-05-20 | Brynjelsen Sean (President & CEO) | Buy | 1,400 | 7.78 | 10,894 |
| 2018-11-15 | Troutman William Wilson (CFO, Treasurer & Secretary) | Buy | 5,000 | 6.00 | 30,000 |
| 2018-11-15 | Brynjelsen Sean (President & CEO) | Buy | 10,000 | 6.00 | 60,000 |
| 2018-11-15 | Baum Mark L (Director) | Buy | 10,000 | 6.00 | 60,000 |
| 2018-11-15 | Maier Paul V (Director) | Buy | 5,000 | 6.00 | 30,000 |
| 2018-11-15 | Riedel Norbert G (Director) | Buy | 5,000 | 6.00 | 30,000 |
| 2018-11-15 | Casamento Charles J (Director) | Buy | 5,000 | 6.00 | 30,000 |
Insider trading activities including stock purchases, stock sales, and option exercises of ETON listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Eton Pharmaceuticals, Inc. (symbol ETON, CIK number 1710340) see the Securities and Exchange Commission (SEC) website.