Omeros Corp. (OMER) Insider Trading
Directors, officers and holders of more than 10% of OMER report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 74 transactions on file: 0 with code P, 11 with code S and 39 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 28, 2026 | Demopulos Gregory A MD | Chairman, CEO & President | A Award | 500,000 | Not measured | Not measured |
| Sep 23, 2026 | Borges David J. | VP, Finance & CAO | M Exercise | 10,000 | $15.58 | $155,800 |
| Sep 23, 2026 | Borges David J. | VP, Finance & CAO | S Sale | 10,000 | $20.95 | $209,500 |
| Sep 23, 2026 | Borges David J. | VP, Finance & CAO | M Exercise | 10,000 | Not measured | Not measured |
| Sep 22, 2026 | Borges David J. | VP, Finance & CAO | S Sale | 10,000 | $20.95 | $209,500 |
| Sep 22, 2026 | Borges David J. | VP, Finance & CAO | M Exercise | 5,000 | $2.94 | $14,700 |
| Sep 22, 2026 | Borges David J. | VP, Finance & CAO | M Exercise | 5,000 | $3.93 | $19,650 |
| Sep 22, 2026 | Borges David J. | VP, Finance & CAO | M Exercise | 5,000 | Not measured | Not measured |
| Sep 22, 2026 | Borges David J. | VP, Finance & CAO | M Exercise | 5,000 | Not measured | Not measured |
| Aug 31, 2026 | Cancelmo Peter B | VP, General Counsel | M Exercise | 25,000 | Not measured | Not measured |
| Aug 31, 2026 | Cancelmo Peter B | VP, General Counsel | M Exercise | 25,000 | $2.94 | $73,500 |
| Aug 31, 2026 | Cancelmo Peter B | VP, General Counsel | S Sale | 25,000 | $18.54 | $463,540 |
| Aug 28, 2026 | Cancelmo Peter B | VP, General Counsel | S Sale | 25,000 | $18.65 | $466,128 |
| Aug 28, 2026 | Cancelmo Peter B | VP, General Counsel | M Exercise | 25,000 | Not measured | Not measured |
| Aug 28, 2026 | Cancelmo Peter B | VP, General Counsel | M Exercise | 25,000 | $2.94 | $73,500 |
| Aug 27, 2026 | HANISH ARNOLD C | Director | M Exercise | 2,500 | $15.81 | $39,525 |
| Aug 27, 2026 | HANISH ARNOLD C | Director | M Exercise | 7,500 | $14.66 | $109,950 |
| Aug 27, 2026 | HANISH ARNOLD C | Director | S Sale | 5,000 | $18.88 | $94,381 |
| Aug 27, 2026 | HANISH ARNOLD C | Director | S Sale | 5,000 | $19.02 | $95,081 |
| Aug 27, 2026 | HANISH ARNOLD C | Director | M Exercise | 7,500 | Not measured | Not measured |
| Aug 27, 2026 | HANISH ARNOLD C | Director | M Exercise | 2,500 | Not measured | Not measured |
| Aug 26, 2026 | HANISH ARNOLD C | Director | M Exercise | 5,000 | $15.81 | $79,050 |
| Aug 26, 2026 | HANISH ARNOLD C | Director | M Exercise | 5,000 | Not measured | Not measured |
| Aug 26, 2026 | HANISH ARNOLD C | Director | S Sale | 5,000 | $18.53 | $92,633 |
| Aug 24, 2026 | Borges David J. | VP, Finance & CAO | M Exercise | 906 | Not measured | Not measured |
| Aug 24, 2026 | Borges David J. | VP, Finance & CAO | S Sale | 906 | $19.10 | $17,305 |
| Aug 24, 2026 | Borges David J. | VP, Finance & CAO | M Exercise | 906 | $2.94 | $2,664 |
| Aug 21, 2026 | Borges David J. | VP, Finance & CAO | S Sale | 10,000 | $18.95 | $189,500 |
| Aug 21, 2026 | Borges David J. | VP, Finance & CAO | M Exercise | 5,906 | $3.93 | $23,211 |
| Aug 21, 2026 | Borges David J. | VP, Finance & CAO | M Exercise | 4,094 | $2.94 | $12,036 |
| Aug 21, 2026 | Borges David J. | VP, Finance & CAO | M Exercise | 4,094 | Not measured | Not measured |
| Aug 21, 2026 | Borges David J. | VP, Finance & CAO | M Exercise | 5,906 | Not measured | Not measured |
| Aug 20, 2026 | Cable Thomas J. | Director | M Exercise | 7,500 | Not measured | Not measured |
| Aug 20, 2026 | Cable Thomas J. | Director | M Exercise | 7,500 | $2.00 | $15,000 |
| Aug 20, 2026 | Cable Thomas J. | Director | M Exercise | 7,500 | $3.93 | $29,475 |
| Aug 20, 2026 | Cable Thomas J. | Director | S Sale | 15,000 | $18.45 | $276,773 |
| Aug 20, 2026 | Cable Thomas J. | Director | M Exercise | 7,500 | Not measured | Not measured |
| Aug 13, 2026 | Borges David J. | VP, Finance & CAO | M Exercise | 5,000 | $3.93 | $19,650 |
| Aug 13, 2026 | Borges David J. | VP, Finance & CAO | M Exercise | 5,000 | Not measured | Not measured |
| Aug 13, 2026 | Borges David J. | VP, Finance & CAO | S Sale | 5,000 | $16.95 | $84,750 |
| Aug 12, 2026 | Schocken Joseph L | Director | A Award | 30,000 | Not measured | Not measured |
| Jul 22, 2026 | Borges David J. | VP, Finance & CAO | A Award | 105,000 | Not measured | Not measured |
| Jul 22, 2026 | Demopulos Gregory A MD | Chairman, CEO & President | A Award | 1,000,000 | Not measured | Not measured |
| Jul 22, 2026 | Cancelmo Peter B | VP, General Counsel | A Award | 105,000 | Not measured | Not measured |
| Jun 18, 2026 | Hood Leroy E. MD PhD | Director | A Award | 15,000 | Not measured | Not measured |
| Jun 18, 2026 | HANISH ARNOLD C | Director | A Award | 15,000 | Not measured | Not measured |
| Jun 18, 2026 | Demopulos Peter A MD | Director | A Award | 15,000 | Not measured | Not measured |
| Jun 18, 2026 | Cable Thomas J. | Director | A Award | 15,000 | Not measured | Not measured |
| Jun 18, 2026 | Bumol Thomas F. | Director | A Award | 15,000 | Not measured | Not measured |
| Jun 18, 2026 | Shah Rajiv | Director | A Award | 15,000 | Not measured | Not measured |
The full Form 4 history is on the OMER company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.