Omeros Corp (OMER) insider trading.
In Q3 2026, insiders at Omeros Corp reported 25 non-derivative transactions on 11 Forms 3, 4 and 5: 0 open-market purchases and 11 sales worth $2.2M.
- Transactions
- 25
- Purchases (P)
- 0
- Sales (S)
- 11
- Net shares, P minus S
- -115,906
- Insiders
- 4
- Last filed
- 2026-09-24
Insiders
| Insider | Relationship | Transactions | Buys | Sales |
|---|---|---|---|---|
| Borges David J. | Officer · VP, Finance & CAO | 12 | 0 | 5 |
| Hanish Arnold C | Director | 6 | 0 | 3 |
| Cancelmo Peter B | Officer · VP, General Counsel | 4 | 0 | 2 |
| Cable Thomas J. | Director | 3 | 0 | 1 |
Transactions
| Date | Insider | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-09-23 | Borges David J. | M (A) | 10,000 | $15.58 | 10,000 | Form 4 |
| 2026-09-23 | Borges David J. | S (D) | 10,000 | $20.95 | 0 | Form 4 |
| 2026-09-22 | Borges David J. | S (D) | 10,000 | $20.95 | 0 | Form 4 |
| 2026-09-22 | Borges David J. | M (A) | 5,000 | $3.93 | 5,000 | Form 4 |
| 2026-09-22 | Borges David J. | M (A) | 5,000 | $2.94 | 10,000 | Form 4 |
| 2026-08-31 | Cancelmo Peter B | S (D) | 25,000 | $18.54 | 200 | Form 4 |
| 2026-08-31 | Cancelmo Peter B | M (A) | 25,000 | $2.94 | 25,200 | Form 4 |
| 2026-08-28 | Cancelmo Peter B | M (A) | 25,000 | $2.94 | 25,200 | Form 4 |
| 2026-08-28 | Cancelmo Peter B | S (D) | 25,000 | $18.65 | 200 | Form 4 |
| 2026-08-27 | Hanish Arnold C | S (D) | 5,000 | $19.02 | 0 | Form 4 |
| 2026-08-27 | Hanish Arnold C | M (A) | 7,500 | $14.66 | 10,000 | Form 4 |
| 2026-08-27 | Hanish Arnold C | S (D) | 5,000 | $18.88 | 5,000 | Form 4 |
| 2026-08-27 | Hanish Arnold C | M (A) | 2,500 | $15.81 | 2,500 | Form 4 |
| 2026-08-26 | Hanish Arnold C | S (D) | 5,000 | $18.53 | 0 | Form 4 |
| 2026-08-26 | Hanish Arnold C | M (A) | 5,000 | $15.81 | 5,000 | Form 4 |
| 2026-08-24 | Borges David J. | S (D) | 906 | $19.1 | 0 | Form 4 |
| 2026-08-24 | Borges David J. | M (A) | 906 | $2.94 | 906 | Form 4 |
| 2026-08-21 | Borges David J. | M (A) | 5,906 | $3.93 | 5,906 | Form 4 |
| 2026-08-21 | Borges David J. | S (D) | 10,000 | $18.95 | 0 | Form 4 |
| 2026-08-21 | Borges David J. | M (A) | 4,094 | $2.94 | 10,000 | Form 4 |
| 2026-08-20 | Cable Thomas J. | M (A) | 7,500 | $2 | 42,567 | Form 4 |
| 2026-08-20 | Cable Thomas J. | S (D) | 15,000 | $18.45 | 35,067 | Form 4 |
| 2026-08-20 | Cable Thomas J. | M (A) | 7,500 | $3.93 | 50,067 | Form 4 |
| 2026-08-13 | Borges David J. | S (D) | 5,000 | $16.95 | 0 | Form 4 |
| 2026-08-13 | Borges David J. | M (A) | 5,000 | $3.93 | 5,000 | Form 4 |
Transaction codes in this quarter
Get OMER insider transactions through the API
curl "https://sec-api.dev/api/v1/insider-transactions?period=2026q3&cik=1285819&limit=100" \
-H "Authorization: Bearer $SEC_API_KEY"Insider trading API guide · OMER company page · Omeros Corp on SEC.gov
Questions
Are insiders buying or selling Omeros Corp (OMER)?
In Q3 2026, insiders at Omeros Corp reported 25 non-derivative transactions on 11 Forms 3, 4 and 5: 0 open-market purchases and 11 sales worth $2.2M. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.
Where do these Omeros Corp insider trades come from?
From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.
Plain-text version for agents and LLMs: /insider-trading/omer.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.