🕵️ Outset Medical, Inc. ($OM)
SEC insider & ownership activity, last 12 months · CIK 1484612 · every row links its SEC filing
Over the last 12 months insiders sold $369K with no open-market buying against it. Trigg Leslie sold $122K (Nov–Aug). BML Investment Partners, L.P. added 11.8% → 13.6%. No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 5 sellers, $369K (23 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Trigg Leslie | 0 | – | 7 | $122K | Aug 17, 2026 |
| Gaeta Renee | 0 | – | 2 | $107K | Aug 17, 2026 |
| John L. Brottem | 0 | – | 7 | $87K | Aug 17, 2026 |
| Nash Marc | 0 | – | 6 | $46K | May 15, 2026 |
| Drexler Karen | 0 | – | 1 | $7K | Dec 1, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| FMR LLC | 14.5% | 13G | Apr 7, 2025 | filing ↗ | |
| Abigail P. Johnson | 14.5% | 13G | Apr 7, 2025 | filing ↗ | |
| BML Investment Partners, L.P. | 13.6% | 13G | May 18, 2026 | filing ↗ | |
| Perceptive Credit Advisors LLC | 9.5% | 13G | Feb 28, 2025 | filing ↗ | |
| Perceptive Advisors LLC | 6.7% | 13G | May 15, 2025 | filing ↗ | |
| Joseph Edelman | 6.7% | 13G | May 15, 2025 | filing ↗ | |
| Perceptive Credit Advisors, LLC | 6.7% | 13G | May 15, 2025 | filing ↗ | |
| Perceptive Credit Holdings IV, LP | 6.7% | 13G | May 15, 2025 | filing ↗ | |
| AQR Capital Management, LLC | 5.4% | 13G | Aug 12, 2026 | filing ↗ | |
| AQR Capital Management Holdings, LLC | 5.4% | 13G | Aug 12, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| John L. Brottem | $12K | Aug 17, 2026 | filing ↗ |
| Gaeta Renee | $20K | Aug 17, 2026 | filing ↗ |
| Trigg Leslie | $15K | Aug 17, 2026 | filing ↗ |
| Gaeta Renee | $87K | Jun 3, 2026 | filing ↗ |
| Nash Marc | $6K | May 15, 2026 | filing ↗ |
| John L. Brottem | $10K | May 15, 2026 | filing ↗ |
| Trigg Leslie | $13K | May 15, 2026 | filing ↗ |
| John L. Brottem | $10K | Feb 17, 2026 | filing ↗ |
| Trigg Leslie | $11K | Feb 17, 2026 | filing ↗ |
| Trigg Leslie | $11K | Jan 21, 2026 | filing ↗ |
| Nash Marc | $5K | Jan 21, 2026 | filing ↗ |
| John L. Brottem | $6K | Jan 21, 2026 | filing ↗ |
| Nash Marc | $28K | Jan 20, 2026 | filing ↗ |
| Trigg Leslie | $60K | Jan 20, 2026 | filing ↗ |
| John L. Brottem | $48K | Jan 20, 2026 | filing ↗ |
| Nash Marc | $461 | Jan 7, 2026 | filing ↗ |
| Trigg Leslie | $8K | Jan 7, 2026 | filing ↗ |
| John L. Brottem | $956 | Jan 7, 2026 | filing ↗ |
| Nash Marc | $1K | Nov 17, 2025 | filing ↗ |
| Trigg Leslie | $4K | Nov 17, 2025 | filing ↗ |
| John L. Brottem | $2K | Nov 17, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Officer/director changes (5.02) | Aug 27, 2026 | filing ↗ |
| Earnings (2.02) | Aug 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 6, 2026 | filing ↗ |
| Material agreement (1.01) | Jun 14, 2026 | filing ↗ |
| Earnings (2.02) | Jun 14, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 14, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 4, 2026 | filing ↗ |
| Officer/director changes (5.02) | May 26, 2026 | filing ↗ |
| Earnings (2.02) | May 7, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 7, 2026 | filing ↗ |
| Earnings (2.02) | Feb 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 11, 2026 | filing ↗ |
| Other events (8.01) | Jan 27, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 27, 2026 | filing ↗ |
| Earnings (2.02) | Jan 7, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jan 7, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 7, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 7, 2026 | filing ↗ |
| Earnings (2.02) | Nov 10, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 10, 2025 | filing ↗ |