OS Insider Trading Activity and SEC Form 4 Filings
OS insider trading summary
Over the past 12 months, insiders at OneStream, Inc. (OS) reported 12 sales worth $8.1M by 5 insiders and no open-market purchases on SEC Form 4. Net insider selling was $8.1M.
Latest OS insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Mar 17, 2026 | Ken Hohenstein | Chief Revenue Officer | Sell | $236K (10,000 @ $23.62) |
| Mar 16, 2026 | Ken Hohenstein | Chief Revenue Officer | Sell | $1.2M (49,204 @ $23.58) |
| Mar 11, 2026 | Pamela McIntyre | Chief Accounting Officer | Sell | $48K (2,015 @ $23.68) |
| Mar 11, 2026 | Scott Leshinski | President | Sell | $176K (7,412 @ $23.68) |
| Feb 17, 2026 | Ken Hohenstein | Chief Revenue Officer | Sell | $1.4M (60,000 @ $23.46) |
| Jan 16, 2026 | Ken Hohenstein | Chief Revenue Officer | Sell | $2.8M (120,000 @ $23.63) |
| Jan 6, 2026 | Jonathan D Mariner | Insider | Sell | $55K (2,415 @ $22.66) |
| Jan 6, 2026 | Jonathan D Mariner | Insider | Sell | $131K (5,541 @ $23.59) |
| Dec 16, 2025 | Ken Hohenstein | Chief Revenue Officer | Sell | $688K (40,000 @ $17.21) |
| Dec 15, 2025 | William A Koefoed | Chief Financial Officer | Sell | $170K (9,571 @ $17.73) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.