ETONHealthcareSmall-Cap
Eton Pharmaceuticals, Inc. Insider Trading Activity
Every SEC Form 4 insider transaction reported for Eton Pharmaceuticals, Inc. (ETON), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Quick Answer
Are ETON insiders buying or selling?
Eton Pharmaceuticals, Inc. insiders reported 18 open-market buys ($4.4M) and 18 sells ($40.9M) across 36 Form 4 filings — a net selling position of $36.5M.
Source: SEC EDGAR Form 4
Key Statistics (as of Jul 16, 2026)
Total Form 4 filings
36
SEC EDGAR
Insider filers
11
Insider buys (18)
$4.4M
Insider sells (18)
$40.9M
Insider sentiment
Net sellingNet insider flow of $36.5M in net selling.
Recent ETON insider transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jul 16, 2026 | Opaleye Management Inc. | 10% Owner | Sale | 28.3K | $37.54 | $1.1M |
| Jul 7, 2026 | Opaleye Management Inc. | 10% Owner | Sale | 126.7K | $37.64 | $4.8M |
| Jun 17, 2026 | Jennifer Mckie Adams | Director | Sale | 50.0K | $32.48 | $1.6M |
| May 29, 2026 | BRYNJELSEN SEAN | President & CEO | Sale | 120.0K | $31.88 | $3.8M |
| May 27, 2026 | David Krempa | Chief Business Officer | Sale | 100.0K | $32.30 | $3.2M |
| Aug 20, 2025 | James R. Gruber | Chief Financial Officer | Sale | 41.7K | $16.15 | $673.7K |
| Jun 16, 2025 | David Krempa | Chief Business Officer | Sale | 34.0K | $14.83 | $504.3K |
| Jun 12, 2025 | Opaleye Management Inc. | 10% Owner | Purchase | 7.9K | $15.82 | $125.5K |
| Jun 5, 2025 | BRYNJELSEN SEAN | President & CEO | Sale | 210.0K | $17.11 | $3.6M |
| Oct 25, 2024 | Opaleye Management Inc. | 10% Owner | Purchase | 10.0K | $7.98 | $79.8K |
| Oct 8, 2024 | Opaleye Management Inc. | 10% Owner | Purchase | 62.1K | $6.99 | $434.1K |
| Sep 12, 2024 | Opaleye Management Inc. | 10% Owner | Purchase | 107.5K | $4.70 | $504.9K |
| Sep 23, 2022 | BRYNJELSEN SEAN | Chief Executive Officer | Purchase | 10.0K | $2.10 | $21.0K |
| Nov 19, 2021 | Opaleye Management Inc. | 10% Owner | Sale | 25.0K | $4.67 | $116.7K |
| Nov 17, 2021 | Opaleye Management Inc. | 10% Owner | Sale | 15.4K | $4.85 | $74.9K |
| Nov 9, 2021 | Opaleye Management Inc. | 10% Owner | Sale | 220.4K | $6.25 | $1.4M |
| Nov 5, 2021 | Opaleye Management Inc. | 10% Owner | Sale | 202.2K | $6.49 | $1.3M |
| Oct 13, 2021 | Opaleye Management Inc. | 10% Owner | Sale | 165.1K | $5.03 | $830.7K |
| Aug 20, 2021 | William Wilson Troutman | CFO, Treasurer & Secretary | Purchase | 5.0K | $4.43 | $22.1K |
| Aug 20, 2021 | BRYNJELSEN SEAN | President & CEO | Purchase | 10.0K | $4.32 | $43.2K |
| Aug 7, 2021 | Opaleye Management Inc. | 10% Owner | Sale | 604.5K | $5.83 | $3.5M |
| Jun 21, 2021 | Opaleye Management Inc. | 10% Owner | Sale | 105.0K | $8.07 | $847.4K |
| Jun 17, 2021 | Opaleye Management Inc. | 10% Owner | Sale | 105.0K | $8.07 | $847.4K |
| Jun 3, 2021 | BRYNJELSEN SEAN | President & CEO | Purchase | 5.0K | $5.96 | $29.8K |
| May 27, 2021 | Opaleye Management Inc. | 10% Owner | Sale | 242.3K | $8.52 | $2.1M |
Showing the 25 most recent of 36 Form 4 filings for Eton Pharmaceuticals, Inc..
Most active ETON insiders
- Opaleye Management Inc.16 filings
- BRYNJELSEN SEAN8 filings
- Charles J Casamento2 filings
- David Krempa2 filings
- William Wilson Troutman2 filings
Ask anything about ETON insider activity
Use Trabud's AI agent to query Eton Pharmaceuticals, Inc.'s Form 4 history in plain English — "Show me ETON CEO purchases this year" or compare it against any other ticker.
Open the AI agentETON insider trading FAQ
Are Eton Pharmaceuticals, Inc. insiders buying or selling?
Across 36 SEC Form 4 filings, Eton Pharmaceuticals, Inc. (ETON) insiders reported 18 open-market purchases totaling $4.4M and 18 sales totaling $40.9M. That is a net selling position of $36.5M.
How many insiders trade ETON stock?
11 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for Eton Pharmaceuticals, Inc.. The most recent filing was accepted on Jul 16, 2026.
Where does Trabud get ETON insider trading data?
All ETON insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.
Looking for another company? Browse all tracked companies.