| $350M | ||
| $217M | ||
| $172M | ||
| $109M | ||
| $107M | ||
| $104M |
Buys | $0 | 0 | 0 |
Sells | $2,827,543 | 12 | 100 |
| HANISH ARNOLD C | director | 0 | $0 | 2 | $282,094 | $-282,094 |
| Cable Thomas J. | director | 0 | $0 | 2 | $363,812 | $-363,812 |
| Cancelmo Peter B | VP, General Counsel | 0 | $0 | 2 | $929,668 | $-929,668 |
| Borges David J. | VP, Finance & CAO | 0 | $0 | 6 | $1.25M | $-1.25M |
Omeros Corporation is a biopharmaceutical firm with commercialized products, actively engaged in the discovery, development, and market introduction of both small-molecule and protein-based therapies, including treatments for rare diseases. The company's therapeutic endeavors primarily focus on inflammatory conditions, illnesses mediated by the complement system, cancers linked to immune system dysregulation, and disorders characterized by addiction or compulsion. Its robust clinical pipeline features several promising candidates. Narsoplimab …
Over the last 12 months, insiders at Omeros Corporation have bought $0 and sold $2.83M worth of Omeros Corporation stock.
On average, over the past 5 years, insiders at Omeros Corporation have bought $40,500 and sold $1.45M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 15,000 shares for transaction amount of $25,200 was made by Demopulos Gregory A MD (Chairman, CEO & President) on 2023‑11‑17.
| 2026-09-23 | Sale | Borges David J. | VP, Finance & CAO | 10,000 0.014% | $20.95 | $209,500 | -10.75% | |
| 2026-08-31 | Sale | Cancelmo Peter B | VP, General Counsel | 25,000 0.0342% | $18.54 | $463,540 | -1.06% | |
| 2026-08-28 | Sale | Cancelmo Peter B | VP, General Counsel | 25,000 0.0347% | $18.65 | $466,128 | -0.05% | |
| 2026-08-27 | Sale | HANISH ARNOLD C | director | 10,000 0.0136% | $18.95 | $189,462 | -3.32% | |
| 2026-08-26 | Sale | HANISH ARNOLD C | director | 5,000 0.007% | $18.53 | $92,633 | +2.14% | |
| 2026-08-24 | Sale | Borges David J. | VP, Finance & CAO | 906 0.0012% | $19.10 | $17,305 | -3.67% | |
| 2026-08-21 | Sale | Borges David J. | VP, Finance & CAO | 10,000 0.0136% | $18.95 | $189,500 | -3.42% | |
| 2026-08-20 | Sale | Cable Thomas J. | director | 15,000 0.0205% | $18.45 | $276,773 | +0.27% | |
| 2026-08-13 | Sale | Borges David J. | VP, Finance & CAO | 5,000 0.0068% | $16.95 | $84,750 | +7.26% | |
| 2026-05-22 | Sale | Cable Thomas J. | director | 7,500 0.0105% | $11.61 | $87,039 | +41.88% | |
| 2026-01-13 | Sale | Borges David J. | VP, Finance & CAO | 30,000 0.0413% | $12.31 | $369,315 | -5.07% | |
| 2026-01-12 | Sale | Borges David J. | VP, Finance & CAO | 30,000 0.042% | $12.72 | $381,600 | -6.44% | |
| 2023-11-17 | Demopulos Gregory A MD | Chairman, CEO & President | 15,000 0.0245% | $1.68 | $25,200 | +135.67% | ||
| 2023-11-15 | Demopulos Peter A MD | director | 10,000 0.0161% | $1.53 | $15,300 | +155.30% | ||
| 2023-05-22 | Sale | Cable Thomas J. | director | 5,000 0.0081% | $6.53 | $32,650 | -45.85% | |
| 2023-05-22 | Sale | HANISH ARNOLD C | director | 5,000 0.008% | $6.46 | $32,300 | -45.85% | |
| 2021-06-17 | Sale | Demopulos Gregory A MD | CHAIRMAN, CEO & PRESIDENT | 36,857 0.0588% | $14.90 | $549,169 | -53.84% | |
| 2021-06-15 | Sale | Demopulos Gregory A MD | CHAIRMAN, CEO & PRESIDENT | 36,856 0.0596% | $15.02 | $553,577 | -53.29% | |
| 2021-05-20 | Sale | Demopulos Gregory A MD | CHAIRMAN, CEO & PRESIDENT | 36,856 0.0584% | $14.96 | $551,366 | -51.92% | |
| 2021-05-19 | Sale | Demopulos Gregory A MD | CHAIRMAN, CEO & PRESIDENT | 36,857 0.0594% | $17.07 | $629,149 | -57.10% |
| HANISH ARNOLD C | director | 0 0% | $0 | 1 | 3 | +0.81% |
| Demopulos Peter A MD | director | 208516 0.2881% | $3.81M | 7 | 0 | +14.77% |
| Aspiri Ray | director | 186872 0.2582% | $3.41M | 1 | 0 | <0.0001% |
| Demopulos Gregory A MD | Chairman, CEO & President | 123945 0.1712% | $2.26M | 1 | 12 | +135.67% |
$8,217,280 | 112 | 46.33% | $1.6B | |
$831,902,292 | 108 | 9.34% | $1.2B | |
$54,660,406 | 66 | 22.24% | $1.5B | |
$530,111,731 | 35 | 8.69% | $1.51B | |
$4,431,947 | 22 | 36.10% | $1.46B |
| Increased Positions | 94 | +77.69% | 8M | +23.92% |
| Decreased Positions | 50 | -41.32% | 7M | -22.79% |
| New Positions | 34 | New | 2M | New |
| Sold Out Positions | 16 | Sold Out | 1M | Sold Out |
| Total Postitions | 165 | +36.36% | 33M | +1.13% |
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| Ingalls & Snyder Llc | $67,266.00 | 5.78% | 4.11M | +123,685 | +3.1% | 2025-09-30 |
| Vanguard Group Inc | $54,823.00 | 4.71% | 3.35M | +63,381 | +1.93% | 2025-09-30 |
| Morgan Stanley | $32,592.00 | 2.8% | 1.99M | +634,175 | +46.78% | 2025-09-30 |
| Stifel Financial Corp | $29,685.00 | 2.55% | 1.81M | +289,385 | +19% | 2025-09-30 |
| Geode Capital Management, Llc | $25,149.00 | 2.16% | 1.54M | +165,500 | +12.08% | 2025-09-30 |
| Polar Asset Management Partners Inc. | $24,547.00 | 2.11% | 1.5M | +1M | New | 2025-09-30 |
| State Street Corp | $20,307.00 | 1.75% | 1.24M | +39,602 | +3.3% | 2025-09-30 |
| D. E. Shaw & Co., Inc. | $16,466.00 | 1.42% | 1.01M | -642,191 | -38.98% | 2025-09-30 |
| Two Sigma Investments, Lp | $15,288.00 | 1.32% | 933,314 | +263,095 | +39.26% | 2025-09-30 |