There have been 50 recent insider transactions recorded for Eton Pharmaceuticals, Inc. (ETON), including 32 buys and 16 sells. Total insider buying was valued at $10.37M and total insider selling at $4.13M.
Notable insiders with recent activity include Riedel Norbert G, Gruber James R., Krempa David. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — ETON
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-02-03 |
Riedel Norbert G |
Director |
Option Exercise (ITM) |
30,000 |
$4.42 |
$132.6K |
- |
| 2026-01-14 |
Gruber James R. |
Chief Financial Officer |
Tax Withholding of RSU |
2,293 |
$15.47 |
$35.47K |
213,420 |
| 2026-01-14 |
Krempa David |
Chief Business Officer |
Tax Withholding of RSU |
1,942 |
$15.62 |
$30.33K |
630,238 |
| 2026-01-12 |
Casamento Charles J |
Director |
RSU Award |
12,196 |
$15.47 |
$188.67K |
295,171 |
| 2026-01-12 |
Riedel Norbert G |
Director |
RSU Award |
12,196 |
$15.47 |
$188.67K |
286,496 |
| 2026-01-12 |
Maier Paul V |
Director |
RSU Award |
12,196 |
$15.47 |
$188.67K |
286,496 |
| 2026-01-12 |
Brynjelsen Sean |
10 Percent Owner, Officer: President & CEO |
RSU Award |
158,046 |
$15.47 |
$2.44M |
3,047,312 |
| 2026-01-12 |
Adams Jennifer Mckie |
Director |
RSU Award |
12,196 |
$15.47 |
$188.67K |
170,329 |
| 2026-01-12 |
Gruber James R. |
Chief Financial Officer |
RSU Award |
40,655 |
$15.47 |
$628.93K |
254,075 |
| 2026-01-12 |
Krempa David |
Chief Business Officer |
RSU Award |
40,655 |
$15.47 |
$628.93K |
670,893 |
| 2026-01-12 |
Erdogan-trinkaus Ipek |
Chief Commercial Officer |
RSU Award |
40,655 |
$15.47 |
$628.93K |
123,878 |
| 2026-01-01 |
Brynjelsen Sean |
10 Percent Owner, Officer: President & CEO |
Tax Withholding of RSU |
5,015 |
$15.39 |
$77.18K |
2,889,266 |
| 2025-12-12 |
Brynjelsen Sean |
10 Percent Owner, Officer: President & CEO |
Tax Withholding of RSU |
6,732 |
$16.83 |
$113.3K |
2,894,281 |
| 2025-12-12 |
Gruber James R. |
Chief Financial Officer |
Tax Withholding of RSU |
4,542 |
$16.99 |
$77.17K |
215,713 |
| 2025-12-12 |
Krempa David |
Chief Business Officer |
Tax Withholding of RSU |
6,264 |
$17.00 |
$106.49K |
632,180 |
| 2025-12-12 |
Erdogan-trinkaus Ipek |
Chief Commercial Officer |
Tax Withholding of RSU |
85 |
$16.90 |
$1.44K |
2,403 |
| 2025-12-11 |
Gruber James R. |
Chief Financial Officer |
RSU Award |
5,502 |
- |
- |
210,255 |
| 2025-12-11 |
Krempa David |
Chief Business Officer |
RSU Award |
5,300 |
- |
- |
638,468 |
| 2025-08-20 |
Gruber James R. |
Chief Financial Officer |
Informative Sell |
2,631 |
$16.02 |
$42.15K |
204,753 |
| 2025-08-19 |
Gruber James R. |
Chief Financial Officer |
Informative Sell |
39,082 |
$16.16 |
$631.57K |
205,299 |
| 2025-06-16 |
Krempa David |
Chief Business Officer |
Informative Sell |
10,223 |
$14.73 |
$150.58K |
612,646 |
| 2025-06-13 |
Krempa David |
Chief Business Officer |
Informative Sell |
6,800 |
$14.77 |
$100.44K |
622,869 |
| 2025-06-12 |
Krempa David |
Chief Business Officer |
Informative Sell |
16,977 |
$14.92 |
$253.3K |
629,669 |
| 2025-06-10 |
Opaleye Management Inc. |
10 Percent Owner |
Informative Buy |
2,930 |
$15.82 |
$46.36K |
85,000 |
| 2025-06-05 |
Brynjelsen Sean |
10 Percent Owner, Officer: President & CEO |
Informative Sell |
70,000 |
$16.81 |
$1.18M |
2,873,513 |
| 2025-06-04 |
Brynjelsen Sean |
10 Percent Owner, Officer: President & CEO |
Informative Sell |
70,000 |
$17.00 |
$1.19M |
2,943,513 |
| 2025-06-03 |
Brynjelsen Sean |
10 Percent Owner, Officer: President & CEO |
Informative Sell |
400 |
$19.02 |
$7.61K |
3,013,513 |
| 2025-01-03 |
Casamento Charles J |
Director |
RSU Award |
25,000 |
$13.00 |
$325K |
25,000 |
| 2025-01-03 |
Riedel Norbert G |
Director |
RSU Award |
25,000 |
$13.00 |
$325K |
25,000 |
| 2025-01-03 |
Maier Paul V |
Director |
RSU Award |
25,000 |
$13.00 |
$325K |
25,000 |
| 2025-01-03 |
Brynjelsen Sean |
President & CEO |
RSU Award |
72,004 |
- |
- |
72,004 |
| 2025-01-03 |
Adams Jennifer Mckie |
Director |
RSU Award |
25,000 |
$13.00 |
$325K |
25,000 |
| 2025-01-03 |
Gruber James R. |
Chief Financial Officer |
RSU Award |
25,876 |
- |
- |
25,876 |
| 2025-01-03 |
Krempa David |
Chief Business Officer |
RSU Award |
25,876 |
- |
- |
25,876 |
| 2024-12-02 |
Erdogan-trinkaus Ipek |
Chief Commercial Officer |
Unknown |
8,026 |
- |
- |
- |
| 2024-10-23 |
Opaleye Management Inc. |
10 Percent Owner |
Informative Buy |
10,000 |
$7.98 |
$79.81K |
2,770,000 |
| 2024-10-08 |
Opaleye Management Inc. |
10 Percent Owner |
Informative Buy |
3,970 |
$7.03 |
$27.91K |
82,070 |
| 2024-10-07 |
Opaleye Management Inc. |
10 Percent Owner |
Informative Buy |
1,248 |
$7.22 |
$9.01K |
78,100 |
| 2024-10-04 |
Opaleye Management Inc. |
10 Percent Owner |
Informative Buy |
1,852 |
$6.77 |
$12.54K |
76,852 |
| 2024-10-02 |
Krempa David |
Chief Business Officer |
RSU Award |
42,088 |
- |
- |
861,374 |
| 2024-09-11 |
Opaleye Management Inc. |
10 Percent Owner |
Informative Buy |
5,000 |
$4.75 |
$23.75K |
75,000 |
| 2024-09-10 |
Opaleye Management Inc. |
10 Percent Owner |
Informative Buy |
7,500 |
$4.65 |
$34.88K |
70,000 |
| 2024-09-09 |
Opaleye Management Inc. |
10 Percent Owner |
Unknown |
- |
- |
- |
62,500 |
| 2024-02-13 |
Casamento Charles J |
Director |
RSU Award |
30,000 |
$4.42 |
$132.6K |
164,555 |
| 2024-02-13 |
Riedel Norbert G |
Director |
RSU Award |
30,000 |
$4.42 |
$132.6K |
164,555 |
| 2024-02-13 |
Maier Paul V |
Director |
RSU Award |
30,000 |
$4.42 |
$132.6K |
164,555 |
| 2024-02-13 |
Brynjelsen Sean |
President & CEO |
RSU Award |
438,633 |
$4.42 |
$1.94M |
2,473,014 |
| 2024-02-13 |
Adams Jennifer Mckie |
Director |
RSU Award |
30,000 |
$4.42 |
$132.6K |
133,133 |
| 2024-02-13 |
Gruber James R. |
Chief Financial Officer |
RSU Award |
144,677 |
$4.42 |
$639.47K |
374,763 |
| 2024-02-13 |
Krempa David |
Chief Business Officer |
RSU Award |
144,677 |
$4.42 |
$639.47K |
813,430 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
