OMER
Omeros Corporation
NASDAQ · Healthcare · Biotechnology · US
$18.95
−0.84%0
Insider buys (3m)
6
Insider sells (3m)
-$1.1M
Net value (3m)
+94.7%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Sep 1, 2026 | Cancelmo Peter B · officer: VP, General Counsel | Sale | 25,000 | $19 |
| Sep 1, 2026 | Cancelmo Peter B · officer: VP, General Counsel | M-Exempt | 25,000 | $2.94 |
| Aug 28, 2026 | HANISH ARNOLD C · director | M-Exempt | 5,000 | $16 |
| Aug 28, 2026 | HANISH ARNOLD C · director | Sale | 5,000 | $19 |
| Aug 28, 2026 | HANISH ARNOLD C · director | M-Exempt | 2,500 | $16 |
| Aug 28, 2026 | HANISH ARNOLD C · director | M-Exempt | 7,500 | $15 |
| Aug 25, 2026 | Borges David J. · officer: VP, Finance & CAO | M-Exempt | 4,094 | $2.94 |
| Aug 25, 2026 | Borges David J. · officer: VP, Finance & CAO | M-Exempt | 5,906 | $3.93 |
| Aug 25, 2026 | Borges David J. · officer: VP, Finance & CAO | Sale | 906 | $19 |
| Aug 25, 2026 | Borges David J. · officer: VP, Finance & CAO | M-Exempt | 906 | $2.94 |
| Aug 25, 2026 | Borges David J. · officer: VP, Finance & CAO | Sale | 10,000 | $19 |
| Aug 21, 2026 | Cable Thomas J. · director | M-Exempt | 7,500 | $2.00 |
| Aug 21, 2026 | Cable Thomas J. · director | Sale | 15,000 | $18 |
| Aug 18, 2026 | Schocken Joseph L · director | A-Award | 30,000 | $14 |
| Aug 17, 2026 | Borges David J. · officer: VP, Finance & CAO | M-Exempt | 5,000 | $3.93 |
| Aug 17, 2026 | Borges David J. · officer: VP, Finance & CAO | Sale | 5,000 | $17 |
| Jul 24, 2026 | Cancelmo Peter B · officer: VP, General Counsel | A-Award | 105,000 | $9.84 |
| Jul 24, 2026 | Borges David J. · officer: VP, Finance & CAO | A-Award | 105,000 | $9.84 |
| Jul 24, 2026 | Demopulos Gregory A MD · director, officer: Chairman, CEO & President | A-Award | 1,000,000 | $9.84 |
| Jun 22, 2026 | Shah Rajiv · director | A-Award | 15,000 | $10 |
| Jun 22, 2026 | Perkinson Diana T. · director | A-Award | 15,000 | $10 |
| Jun 22, 2026 | Hood Leroy E. MD PhD · director | A-Award | 15,000 | $10 |
| Jun 22, 2026 | HANISH ARNOLD C · director | A-Award | 15,000 | $10 |
| Jun 22, 2026 | Demopulos Peter A MD · director | A-Award | 15,000 | $10 |
| Jun 22, 2026 | Cable Thomas J. · director | A-Award | 15,000 | $10 |
| Jun 22, 2026 | Bumol Thomas F. · director | A-Award | 15,000 | $10 |
| May 27, 2026 | Cable Thomas J. · director | M-Exempt | 7,500 | $11 |
| May 27, 2026 | Cable Thomas J. · director | Sale | 7,500 | $12 |
| Feb 20, 2026 | Demopulos Gregory A MD · director, officer: Chairman, CEO & President | M-Exempt | 400,000 | $10 |
| Feb 20, 2026 | Demopulos Gregory A MD · director, officer: Chairman, CEO & President | F-InKind | 357,678 | $12 |
Institutional positioning
13F filings over the trailing two quarters
New 76Increased 132Reduced 86Sold out 24
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|---|---|---|---|
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| BLACKROCK, INC. | Increased | 5,309,626 | May 13, 2026 |
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| INGALLS & SNYDER LLC | Increased | 3,559,423 | May 13, 2026 |
| UBS Group AG | Increased | 3,148,384 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 3,072,050 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 2,983,259 | May 15, 2026 |
| UBS GROUP AG | Increased | 2,340,731 | May 5, 2026 |
| STATE STREET CORP | Increased | 2,319,906 | Aug 7, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 2,215,194 | Aug 14, 2026 |
| STATE STREET CORP | Increased | 1,919,575 | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 1,914,460 | Aug 12, 2026 |
| STIFEL FINANCIAL CORP | Increased | 1,836,925 | Aug 12, 2026 |
| STIFEL FINANCIAL CORP | Increased | 1,831,585 | May 12, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 1,752,323 | May 15, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Sep 1, 2026