Form 4 for ETON Eton Pharmaceuticals, Inc.
Accepted 2026-08-28 16:51:30 ET · period of report 2026-08-28 · accession 0001437749-26-029196 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-08-28 16:51 | 2026-08-28 | ETON | MAIER PAUL V | Dir | M - OptEx | $3.78 | +50.0K | 109.7K | +84% | +$189.0K |
| DM | 2026-08-28 16:51 | 2026-08-28 | ETON | MAIER PAUL V | Dir | S - Sale+OE | $59.07 | -50.0K | 59.7K | -46% | -$2.95M |
| D | 2026-08-28 16:51 | 2026-08-28 | ETON | MAIER PAUL V | Dir | M - OptEx | $0.00 | -50.0K | 0 | -100% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-08-28 | M | A | 50,000 | $3.78 | 109,745 | D | — | — | |
| 2 | Common | Common Stock | 2026-08-28 | S | D | 36,387 | $58.64 | 73,358 | D | — | — | (F1) The Reporting Person will provide upon request by the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price. (F2) The shares were sold in multiple trades at prices ranging from $58.50 to $58.97. The price reported above reflects the weighted average sales price. |
| 3 | Common | Common Stock | 2026-08-28 | S | D | 13,485 | $60.21 | 59,873 | D | — | — | (F1) The Reporting Person will provide upon request by the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price. (F4) The shares were sold in multiple trades at prices ranging from $60.00 to $61.00. The price reported above reflects the weighted average sales price. |
| 4 | Common | Common Stock | 2026-08-28 | S | D | 128 | $61.77 | 59,745 | D | — | — | (F1) The Reporting Person will provide upon request by the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price. (F5) The shares were sold in multiple trades at prices ranging from $61.10 to $61.98. The price reported above reflects the weighted average sales price. |
| 5 | Derivative | Employee Stock Option | 2026-08-28 | M | D | 50,000 | $0.00 | 0 | D | $3.78 · 2022-02-07 to 2032-02-06 | 50,000 Common Stock | (F3) The shares subject to the option vested in 48 equal monthly installments from the date of grant (2-07-2022) until fully vested. |