Form 4 for OMER OMEROS CORP
Accepted 2026-05-27 18:21:29 ET · period of report 2026-05-22 · accession 0001437749-26-018625 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DT | 2026-05-27 18:21 | 2026-05-22 | OMER | Cable Thomas J. | Dir | M - OptEx | $10.84 | +7,500 | 42.6K | +21% | +$81.3K |
| DT | 2026-05-27 18:21 | 2026-05-22 | OMER | Cable Thomas J. | Dir | S - Sale+OE | $11.61 | -7,500 | 35.1K | -18% | -$87.0K |
| DT | 2026-05-27 18:21 | 2026-05-22 | OMER | Cable Thomas J. | Dir | M - OptEx | $0.00 | -7,500 | 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 | 2026-05-22 | M | A | 7,500 | $10.84 | 42,567 | D | — | — | |
| 2 | Common | Common Stock | 2026-05-22 | S | D | 7,500 | $11.61 | 35,067 | D | — | — | (F1) Open market sale pursuant to a previously established Rule 10b5-1 trading plan adopted by the reporting person on June 14, 2024. The trading schedule, including sale periods and the number of shares to be sold, was established at the time of the trading plan's adoption in accordance with Rule 10b5-1 under the Securities Exchange Act of 1934, as amended. The shares sold were acquired upon the exercise of vested stock options scheduled to expire on June 9, 2026. (F2) This transaction was executed in multiple trades at prices ranging from $11.46 to $11.93. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide full information regarding the number of shares and prices at which the transactions referenced in this footnote were effected upon request to the SEC staff, the issuer, or a security holder of the issuer. |
| 3 | Derivative | Stock Option (Right to Buy) | 2026-05-22 | M | D | 7,500 | $0.00 | 0 | D | $10.84 · 2017-06-15 to 2026-06-09 | 7,500 Common Stock |