William A. Koefoed is CFO at OneStream, Inc. (OS). They have made 3 open-market trades across 2 companies since 2016, most recently 2025-12-15.
CIK 0001642337
1 open-market purchase totalling $42K since 2016, against 2 sales. Too few scored purchases to measure a record yet.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| OS | SELL · 10b5-1 | 2025-12-15 | 2025-12-16 | $17.73 | $339K | +3.8% | +31.8% | +31.8% |
| OS | SELL · 10b5-1 | 2025-09-15 | 2025-09-16 | $19.03 | $340K | +4.7% | -11.5% | -9.7% |
| OS | SELL · 10b5-1 | 2025-07-25 | 2025-07-28 | $25.00 | $625K | -11.1% | -18.7% | -23.4% |
| OS | SELL · 10b5-1 | 2025-06-25 | 2025-06-27 | $26.77 | $669K | -8.2% | -11.7% | -30.7% |
| OS | SELL · 10b5-1 | 2025-06-16 | 2025-06-18 | $27.90 | $522K | -9.4% | -13.7% | -35.0% |
| OS | SELL | 2025-06-11 | 2025-06-12 | $28.23 | $367K | -5.4% | -8.8% | -31.7% |
| OS | SELL · 10b5-1 | 2025-05-27 | 2025-05-29 | $28.76 | $719K | +0.8% | +1.3% | -27.2% |
| OS | SELL · 10b5-1 | 2025-02-18 | 2025-02-20 | $25.04 | $250K | -6.7% | -4.5% | +15.7% |
| OS | SELL · 10b5-1 | 2025-01-15 | 2025-01-17 | $26.57 | $266K | +3.3% | -12.7% | -31.9% |
| OS | SELL · 10b5-1 | 2024-12-13 | 2024-12-17 | $30.00 | $826K | -2.1% | -2.4% | -26.5% |
| OS | SELL | 2024-07-25 | 2024-07-26 | $18.85 | $377K | -4.3% | +5.8% | +10.0% |
| OZRK | BUY | 2016-04-28 | 2016-04-29 | $41.78 | $42K | -11.0% | -5.7% | -12.2% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.