
Omeros Corporation
OMERHealthcare|Biotechnology|US
$16.92
-0.15 (-0.88%)
Cash / Share
$1.83
Ownership Breakdown
95.7%
Float
72.4M
Shares Outstanding
69.3M
Float Shares
Major Holders (2)
Combined: 13.0%
Holders of 5%+ from their latest Schedule 13D/13G filing in the last two years. Percentages are as of each filing date.
Insider Trades (100)
Last 4 quarters: 2,373,406 acquired · 1,084,490 disposed
| Insider | Position | Date | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Demopulos Gregory A MD | director, officer: Chairman, CEO & President | Oct 28, 2026 | AWARD | 500,000 | $17.88 | $8.9M | Form 4 |
| Borges David J. | VP, Finance & CAO | Sep 22, 2026 | OPTION EX. | 5,000 | $2.94 | $14.7K | Form 4 |
| Borges David J. | VP, Finance & CAO | Sep 23, 2026 | OPTION EX. | 10,000 | $15.58 | $155.8K | Form 4 |
| Borges David J. | VP, Finance & CAO | Sep 22, 2026 | OPTION EX. | 5,000 | $2.94 | $14.7K | Form 4 |
| Borges David J. | VP, Finance & CAO | Sep 22, 2026 | OPTION EX. | 5,000 | $3.93 | $19.6K | Form 4 |
| Borges David J. | VP, Finance & CAO | Sep 23, 2026 | OPTION EX. | 10,000 | $15.58 | $155.8K | Form 4 |
| Borges David J. | VP, Finance & CAO | Sep 22, 2026 | OPTION EX. | 5,000 | $3.93 | $19.6K | Form 4 |
| Borges David J. | VP, Finance & CAO | Sep 23, 2026 | SELL | 10,000 | $20.95 | $209.5K | Form 4 |
| Cancelmo Peter B | VP, General Counsel | Aug 28, 2026 | OPTION EX. | 25,000 | $2.94 | $73.5K | Form 4 |
| Cancelmo Peter B | VP, General Counsel | Aug 31, 2026 | OPTION EX. | 25,000 | $2.94 | $73.5K | Form 4 |
| Cancelmo Peter B | VP, General Counsel | Aug 31, 2026 | OPTION EX. | 25,000 | $2.94 | $73.5K | Form 4 |
| Cancelmo Peter B | VP, General Counsel | Aug 28, 2026 | SELL | 25,000 | $18.65 | $466.1K | Form 4 |
| Cancelmo Peter B | VP, General Counsel | Aug 31, 2026 | SELL | 25,000 | $18.54 | $463.5K | Form 4 |
| HANISH ARNOLD C | director | Aug 27, 2026 | OPTION EX. | 7,500 | $14.66 | $110.0K | Form 4 |
| HANISH ARNOLD C | director | Aug 27, 2026 | SELL | 5,000 | $18.88 | $94.4K | Form 4 |
| HANISH ARNOLD C | director | Aug 26, 2026 | OPTION EX. | 5,000 | $15.81 | $79.0K | Form 4 |
| HANISH ARNOLD C | director | Aug 27, 2026 | OPTION EX. | 2,500 | $15.81 | $39.5K | Form 4 |
| HANISH ARNOLD C | director | Aug 26, 2026 | OPTION EX. | 5,000 | $15.81 | $79.0K | Form 4 |
| HANISH ARNOLD C | director | Aug 26, 2026 | SELL | 5,000 | $18.53 | $92.6K | Form 4 |
| HANISH ARNOLD C | director | Aug 27, 2026 | SELL | 5,000 | $19.02 | $95.1K | Form 4 |
| HANISH ARNOLD C | director | Aug 27, 2026 | OPTION EX. | 2,500 | $15.81 | $39.5K | Form 4 |
| HANISH ARNOLD C | director | Aug 27, 2026 | OPTION EX. | 7,500 | $14.66 | $110.0K | Form 4 |
| Borges David J. | VP, Finance & CAO | Aug 21, 2026 | OPTION EX. | 4,094 | $2.94 | $12.0K | Form 4 |
| Borges David J. | VP, Finance & CAO | Aug 24, 2026 | OPTION EX. | 906 | $2.94 | $2.7K | Form 4 |
| Borges David J. | VP, Finance & CAO | Aug 21, 2026 | OPTION EX. | 4,094 | $2.94 | $12.0K | Form 4 |
| Borges David J. | VP, Finance & CAO | Aug 21, 2026 | OPTION EX. | 5,906 | $3.93 | $23.2K | Form 4 |
| Borges David J. | VP, Finance & CAO | Aug 21, 2026 | OPTION EX. | 5,906 | $3.93 | $23.2K | Form 4 |
| Borges David J. | VP, Finance & CAO | Aug 24, 2026 | OPTION EX. | 906 | $2.94 | $2.7K | Form 4 |
| Borges David J. | VP, Finance & CAO | Aug 24, 2026 | SELL | 906 | $19.10 | $17.3K | Form 4 |
| Borges David J. | VP, Finance & CAO | Aug 21, 2026 | SELL | 10,000 | $18.95 | $189.5K | Form 4 |
| Cable Thomas J. | director | Aug 20, 2026 | OPTION EX. | 7,500 | $3.93 | $29.5K | Form 4 |
| Cable Thomas J. | director | Aug 20, 2026 | OPTION EX. | 7,500 | $2.00 | $15.0K | Form 4 |
| Cable Thomas J. | director | Aug 20, 2026 | SELL | 15,000 | $18.45 | $276.8K | Form 4 |
| Cable Thomas J. | director | Aug 20, 2026 | OPTION EX. | 7,500 | $2.00 | $15.0K | Form 4 |
| Cable Thomas J. | director | Aug 20, 2026 | OPTION EX. | 7,500 | $3.93 | $29.5K | Form 4 |
| Schocken Joseph L | director | Aug 12, 2026 | AWARD | 30,000 | $13.71 | $411.3K | Form 4 |
| Schocken Joseph L | director | Aug 12, 2026 | OTHER | 0 | — | — | Form 4 |
| Schocken Joseph L | director | Aug 12, 2026 | OTHER | 0 | — | — | Form 4 |
| Schocken Joseph L | director | Aug 12, 2026 | OTHER | 0 | — | — | Form 4 |
| Borges David J. | VP, Finance & CAO | Aug 13, 2026 | OPTION EX. | 5,000 | $3.93 | $19.6K | Form 4 |
| Borges David J. | VP, Finance & CAO | Aug 13, 2026 | OPTION EX. | 5,000 | $3.93 | $19.6K | Form 4 |
| Borges David J. | VP, Finance & CAO | Aug 13, 2026 | SELL | 5,000 | $16.95 | $84.8K | Form 4 |
| Demopulos Gregory A MD | director, officer: Chairman, CEO & President | Jul 22, 2026 | AWARD | 1,000,000 | $9.84 | $9.8M | Form 4 |
| Cancelmo Peter B | VP, General Counsel | Jul 22, 2026 | AWARD | 105,000 | $9.84 | $1.0M | Form 4 |
| Borges David J. | VP, Finance & CAO | Jul 22, 2026 | AWARD | 105,000 | $9.84 | $1.0M | Form 4 |
| Shah Rajiv | director | Jun 18, 2026 | AWARD | 15,000 | $10.28 | $154.2K | Form 4 |
| Perkinson Diana T. | director | Jun 18, 2026 | AWARD | 15,000 | $10.28 | $154.2K | Form 4 |
| Hood Leroy E. MD PhD | director | Jun 18, 2026 | AWARD | 15,000 | $10.28 | $154.2K | Form 4 |
| HANISH ARNOLD C | director | Jun 18, 2026 | AWARD | 15,000 | $10.28 | $154.2K | Form 4 |
| Demopulos Peter A MD | director | Jun 18, 2026 | AWARD | 15,000 | $10.28 | $154.2K | Form 4 |
| Cable Thomas J. | director | Jun 18, 2026 | AWARD | 15,000 | $10.28 | $154.2K | Form 4 |
| Bumol Thomas F. | director | Jun 18, 2026 | AWARD | 15,000 | $10.28 | $154.2K | Form 4 |
| Cable Thomas J. | director | May 22, 2026 | OPTION EX. | 7,500 | $10.84 | $81.3K | Form 4 |
| Cable Thomas J. | director | May 22, 2026 | SELL | 7,500 | $11.61 | $87.0K | Form 4 |
| Cable Thomas J. | director | May 22, 2026 | OPTION EX. | 7,500 | $10.84 | $81.3K | Form 4 |
| Demopulos Gregory A MD | director, officer: Chairman, CEO & President | Feb 18, 2026 | OPTION EX. | 400,000 | $10.27 | $4.1M | Form 4 |
| Demopulos Gregory A MD | director, officer: Chairman, CEO & President | Feb 18, 2026 | TAX W/H | 357,678 | $11.93 | $4.3M | Form 4 |
| Demopulos Gregory A MD | director, officer: Chairman, CEO & President | Feb 18, 2026 | OPTION EX. | 400,000 | $10.27 | $4.1M | Form 4 |
| Borges David J. | VP, Finance & CAO | Jan 13, 2026 | OPTION EX. | 30,000 | $3.06 | $91.8K | Form 4 |
| Borges David J. | VP, Finance & CAO | Jan 13, 2026 | OPTION EX. | 30,000 | $3.06 | $91.8K | Form 4 |
| Borges David J. | VP, Finance & CAO | Jan 12, 2026 | SELL | 30,000 | $12.72 | $381.6K | Form 4 |
| Borges David J. | VP, Finance & CAO | Jan 13, 2026 | SELL | 30,000 | $12.31 | $369.3K | Form 4 |
| Demopulos Gregory A MD | director, officer: Chairman, CEO & President | Oct 13, 2025 | GIFT | 600,000 | — | — | Form 4 |
| Demopulos Gregory A MD | director, officer: Chairman, CEO & President | Oct 13, 2025 | GIFT | 300,000 | — | — | Form 4 |
| Demopulos Gregory A MD | director, officer: Chairman, CEO & President | Jun 30, 2025 | AWARD | 865,000 | $3.20 | $2.8M | Form 4 |
| Cancelmo Peter B | VP, General Counsel | Jun 30, 2025 | AWARD | 100,000 | $3.20 | $320.0K | Form 4 |
| Borges David J. | VP, Finance & CAO | Jun 30, 2025 | AWARD | 95,000 | $3.20 | $304.0K | Form 4 |
| Shah Rajiv | director | Jun 27, 2025 | AWARD | 15,000 | $3.20 | $48.0K | Form 4 |
| Perkinson Diana T. | director | Jun 27, 2025 | AWARD | 15,000 | $3.20 | $48.0K | Form 4 |
| Hood Leroy E. MD PhD | director | Jun 27, 2025 | AWARD | 15,000 | $3.20 | $48.0K | Form 4 |
| HANISH ARNOLD C | director | Jun 27, 2025 | AWARD | 15,000 | $3.20 | $48.0K | Form 4 |
| Demopulos Peter A MD | director | Jun 27, 2025 | AWARD | 15,000 | $3.20 | $48.0K | Form 4 |
| Cable Thomas J. | director | Jun 27, 2025 | AWARD | 15,000 | $3.20 | $48.0K | Form 4 |
| Bumol Thomas F. | director | Jun 27, 2025 | AWARD | 15,000 | $3.20 | $48.0K | Form 4 |
| Borges David J. | VP, Finance & CAO | Jun 30, 2024 | DISPOSED | 0 | — | — | Form 4 |
| Borges David J. | VP, Finance & CAO | Jun 30, 2024 | DISPOSED | 6,800 | $14.99 | $101.9K | Form 4 |
| Borges David J. | VP, Finance & CAO | Jun 30, 2024 | DISPOSED | 25,000 | $2.94 | $73.5K | Form 4 |
| Borges David J. | VP, Finance & CAO | Jun 30, 2024 | DISPOSED | 95,000 | $3.06 | $290.7K | Form 4 |
| Borges David J. | VP, Finance & CAO | Jun 30, 2024 | DISPOSED | 20,000 | $3.93 | $78.6K | Form 4 |
| Borges David J. | VP, Finance & CAO | Jun 30, 2024 | DISPOSED | 15,000 | $15.58 | $233.7K | Form 4 |
| Shah Rajiv | director | Jun 6, 2024 | AWARD | 15,000 | $3.91 | $58.6K | Form 4 |
| Perkinson Diana T. | director | Jun 6, 2024 | AWARD | 15,000 | $3.91 | $58.6K | Form 4 |
| Hood Leroy E. MD PhD | director | Jun 6, 2024 | AWARD | 15,000 | $3.91 | $58.6K | Form 4 |
| HANISH ARNOLD C | director | Jun 6, 2024 | AWARD | 15,000 | $3.91 | $58.6K | Form 4 |
| Demopulos Peter A MD | director | Jun 6, 2024 | AWARD | 15,000 | $3.91 | $58.6K | Form 4 |
| Cable Thomas J. | director | Jun 6, 2024 | AWARD | 15,000 | $3.91 | $58.6K | Form 4 |
| Bumol Thomas F. | director | Jun 6, 2024 | AWARD | 15,000 | $3.91 | $58.6K | Form 4 |
| Demopulos Gregory A MD | director, officer: Chairman, CEO & President | Apr 25, 2024 | AWARD | 725,000 | $3.06 | $2.2M | Form 4 |
| JACOBSEN MICHAEL A | VP, Finance & CAO | Apr 25, 2024 | AWARD | 100,000 | $3.06 | $306.0K | Form 4 |
| Cancelmo Peter B | VP, General Counsel | Apr 25, 2024 | AWARD | 100,000 | $3.06 | $306.0K | Form 4 |
| Demopulos Gregory A MD | Chairman, CEO & President | Nov 17, 2023 | BUY | 15,000 | $1.68 | $25.2K | Form 4 |
| Demopulos Peter A MD | director | Nov 15, 2023 | BUY | 10,000 | $1.53 | $15.3K | Form 4 |
| Demopulos Gregory A MD | Chairman, CEO & President | Nov 14, 2023 | AWARD | 25,000 | $1.44 | $36.0K | Form 4 |
| Demopulos Gregory A MD | Chairman, CEO & President | Nov 13, 2023 | AWARD | 37,500 | $1.29 | $48.4K | Form 4 |
| Demopulos Gregory A MD | Chairman, CEO & President | Sep 22, 2023 | AWARD | 715,000 | $2.94 | $2.1M | Form 4 |
| JACOBSEN MICHAEL A | VP, Finance & CAO | Sep 22, 2023 | AWARD | 100,000 | $2.94 | $294.0K | Form 4 |
| Cancelmo Peter B | VP, General Counsel | Sep 22, 2023 | AWARD | 100,000 | $2.94 | $294.0K | Form 4 |
| Bumol Thomas F. | director | Sep 12, 2023 | AWARD | 10,000 | $3.31 | $33.1K | Form 4 |
| HANISH ARNOLD C | director | Jun 23, 2023 | AWARD | 15,000 | $5.49 | $82.3K | Form 4 |
| Hood Leroy E. MD PhD | director | Jun 23, 2023 | AWARD | 15,000 | $5.49 | $82.3K | Form 4 |