Omeros Corp
OMER- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001285819
In the last 90 days, Omeros Corp insiders filed 0 open-market purchases and 6 sales; 171 institutions reported holding it in 13F filings for Q2 2026, worth $343.9M in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Omeros Corp insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 6 filings
- 4 insiders, $2.20M in total
- Insiders trading
- 4
- Net value
- −$2.20M
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Omeros Corp, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Borges David J. | VP, Finance & CAO | 0 | Sep 24, 2026 | 5 |
| Cancelmo Peter B | VP, General Counsel | 200 | Sep 1, 2026 | 2 |
| Hanish Arnold C | Director | 0 | Aug 28, 2026 | 2 |
| Cable Thomas J. | Director | 35,067 | Aug 21, 2026 | 3 |
| Schocken Joseph L | Director | – | Aug 18, 2026 | 1 |
| Demopulos Gregory A MD | Chairman, CEO & President | 1,469,308 | Jul 24, 2026 | 3 |
| Demopulos Peter A MD | Director | 208,516 | Jun 22, 2026 | 1 |
| Hood Leroy E. MD PhD | Director | – | Jun 22, 2026 | 1 |
| Shah Rajiv | Director | – | Jun 22, 2026 | 1 |
| Bumol Thomas F. | Director | 10,000Indirect | Jun 22, 2026 | 1 |
| Perkinson Diana T. | Director | – | Jun 22, 2026 | 1 |
| Jacobsen Michael A | VP, Finance & CAO | – | Apr 29, 2024 | 0 |
| Zumwalt Kurt | Director | – | Sep 23, 2022 | 0 |
| Aspiri Ray | Director | – | Feb 14, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 24, 2026 (view filing)9:00 PM ET | Sep 22-23 | 2 days | Borges David J.VP, Finance & CAO | SSale | −20.0K | $20.95 | −$419.0K | −100.0%0 after | 2 lots10b5-1 |
| Sep 1, 2026 (view filing)4:41 PM ET | Aug 28-31 | 4 days | Cancelmo Peter BVP, General Counsel | SSale | −50.0K | $18.59 | −$929.7K | −99.6%200 after | 2 lots |
| Aug 28, 2026 (view filing)4:31 PM ET | Aug 26-27 | 2 days | Hanish Arnold CDirector | SSale | −15.0K | $18.81 | −$282.1K | −100.0%0 after | 3 lots |
| Aug 25, 2026 (view filing)5:40 PM ET | Aug 21-24 | 4 days | Borges David J.VP, Finance & CAO | SSale | −10.9K | $18.96 | −$206.8K | −100.0%0 after | 2 lots10b5-1 |
| Aug 21, 2026 (view filing)5:34 PM ET | Aug 20 | 1 day | Cable Thomas J.Director | SSale | −15.0K | $18.45 | −$276.8K | −30.0%35.1K after | |
| Aug 17, 2026 (view filing)7:42 PM ET | Aug 13 | 4 days | Borges David J.VP, Finance & CAO | SSale | −5.00K | $16.95 | −$84.8K | −100.0%0 after | 10b5-1 |
| May 27, 2026 (view filing) | May 22 | 5 days | Cable Thomas J.Director | SSale | −7.50K | $11.61 | −$87.1K | −17.6%35.1K after | 10b5-1 |
| Jan 14, 2026 (view filing) | Jan 12-13 | 2 days | Borges David J.VP, Finance & CAO | SSale | −60.0K | $12.52 | −$750.9K | −100.0%0 after | 2 lots |
| Nov 21, 2023 (view filing) | Nov 17 | 4 days | Demopulos Gregory A MDChairman, CEO & President | PPurchase | +15.0K | $1.68 | +$25.2K | +13.8%123.9K after | |
| Nov 17, 2023 (view filing) | Nov 15 | 2 days | Demopulos Peter A MDDirector | PPurchase | +10.0K | $1.53 | +$15.3K | +5.0%208.5K after | |
| May 23, 2023 (view filing) | May 22 | 1 day | Hanish Arnold CDirector | SSale | −5.00K | $6.46 | −$32.3K | −100.0%0 after | |
| May 23, 2023 (view filing) | May 22 | 1 day | Cable Thomas J.Director | SSale | −5.00K | $6.53 | −$32.6K | −12.5%35.1K after |