Steven S. Williamson is CCO at Outset Medical, Inc. (OM). They have made 16 open-market trades across 2 companies since 2021, most recently 2025-09-02.
1 open-market purchase totalling $195K since 2024, against 15 sales. Too few scored purchases to measure a record yet.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| LUNG | SELL | 2025-09-02 | 2025-09-03 | $1.60 | $15K | -3.6% | +11.5% | +6.1% |
| LUNG | SELL | 2025-06-02 | 2025-06-04 | $3.13 | $31K | -2.6% | -13.7% | -43.5% |
| LUNG | SELL | 2025-03-03 | 2025-03-05 | $7.14 | $395K | -3.2% | -16.0% | -60.5% |
| LUNG | BUY | 2024-08-20 | 2024-08-22 | $6.84 | $195K | -10.9% | +10.5% | -16.3% |
| OM | SELL | 2024-02-15 | 2024-02-16 | $3.57 | $9K | -6.3% | -40.5% | +4.8% |
| OM | SELL | 2024-01-16 | 2024-01-17 | $4.29 | $4K | -6.6% | -10.0% | -45.1% |
| OM | SELL | 2024-01-08 | 2024-01-08 | $5.49 | $39K | -31.3% | -39.7% | -51.8% |
| OM | SELL | 2023-11-16 | 2023-11-17 | $4.76 | $17K | +0.4% | +15.1% | -32.0% |
| OM | SELL | 2023-08-16 | 2023-08-17 | $15.10 | $10K | +3.4% | -10.6% | -62.3% |
| OM | SELL | 2023-05-16 | 2023-05-16 | $19.91 | $14K | +6.6% | +14.4% | -19.8% |
| OM | SELL | 2023-05-08 | 2023-05-08 | $19.83 | $397K | +6.4% | +16.0% | -15.2% |
| OM | SELL | 2023-02-16 | 2023-02-16 | $24.36 | $17K | -7.4% | -11.4% | -17.6% |
| OM | SELL | 2023-01-27 | 2023-01-30 | $27.92 | $169K | +2.6% | -19.1% | -31.7% |
| OM | SELL | 2022-11-16 | 2022-11-17 | $19.29 | $132K | +10.4% | +29.3% | +31.5% |
| OM | SELL | 2022-01-25 | 2022-01-25 | $37.74 | $172K | -1.3% | +17.4% | +5.3% |
| OM | SELL | 2021-11-16 | 2021-11-17 | $51.69 | $255K | -9.4% | -14.4% | -32.0% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.