OSTechnologyMid-Cap
OneStream, Inc. Insider Trading Activity
Every SEC Form 4 insider transaction reported for OneStream, Inc. (OS), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Quick Answer
Are OS insiders buying or selling?
OneStream, Inc. insiders reported 0 open-market buys ($0) and 64 sells ($1.2B) across 64 Form 4 filings — a net selling position of $1.2B.
Source: SEC EDGAR Form 4
Key Statistics (as of Mar 18, 2026)
Total Form 4 filings
64
SEC EDGAR
Insider filers
19
Insider buys (0)
$0
Insider sells (64)
$1.2B
Insider sentiment
Net sellingNet insider flow of $1.2B in net selling.
Recent OS insider transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Mar 18, 2026 | Ken Hohenstein | Chief Revenue Officer | Sale | 59.2K | $23.59 | $1.4M |
| Mar 12, 2026 | Scott Leshinski | President | Sale | 7.4K | $23.68 | $175.5K |
| Mar 12, 2026 | Pamela Mcintyre | Chief Accounting Officer | Sale | 2.0K | $23.68 | $47.7K |
| Feb 19, 2026 | Ken Hohenstein | Chief Revenue Officer | Sale | 60.0K | $23.46 | $1.4M |
| Jan 20, 2026 | Ken Hohenstein | Chief Revenue Officer | Sale | 120.0K | $23.63 | $2.8M |
| Jan 9, 2026 | Pamela Mcintyre | Chief Accounting Officer | Sale | 6.5K | $23.58 | $153.4K |
| Jan 8, 2026 | Jonathan D Mariner | Director | Sale | 8.0K | $23.31 | $185.4K |
| Dec 18, 2025 | Ken Hohenstein | Chief Revenue Officer | Sale | 40.0K | $17.21 | $688.4K |
| Dec 16, 2025 | Koefoed William A | Chief Financial Officer | Sale | 9.6K | $17.73 | $169.7K |
| Dec 4, 2025 | Jonathan D Mariner | Director | Sale | 18.4K | $20.90 | $385.0K |
| Nov 19, 2025 | Ken Hohenstein | Chief Revenue Officer | Sale | 40.0K | $20.94 | $837.6K |
| Oct 17, 2025 | Ken Hohenstein | Chief Revenue Officer | Sale | 40.0K | $16.85 | $674.0K |
| Sep 22, 2025 | John Kinzer | Director | Sale | 30.0K | $20.00 | $600.0K |
| Sep 18, 2025 | Ken Hohenstein | Chief Revenue Officer | Sale | 40.0K | $18.69 | $747.6K |
| Sep 16, 2025 | Koefoed William A | Chief Financial Officer | Sale | 8.9K | $19.03 | $170.2K |
| Sep 4, 2025 | Jonathan D Mariner | Director | Sale | 141 | $20.07 | $2.8K |
| Aug 20, 2025 | Ken Hohenstein | Chief Revenue Officer | Sale | 20.0K | $21.56 | $431.2K |
| Aug 6, 2025 | Jonathan D Mariner | Director | Sale | 6.6K | $23.53 | $156.0K |
| Jul 28, 2025 | Koefoed William A | Chief Financial Officer | Sale | 25.0K | $25.00 | $625.0K |
| Jul 21, 2025 | Ken Hohenstein | Chief Revenue Officer | Sale | 20.0K | $25.12 | $502.4K |
| Jul 9, 2025 | Jonathan D Mariner | Director | Sale | 6.6K | $26.59 | $176.3K |
| Jun 27, 2025 | Koefoed William A | Chief Financial Officer | Sale | 25.0K | $26.77 | $669.3K |
| Jun 24, 2025 | John Kinzer | Director | Sale | 30.0K | $28.26 | $847.8K |
| Jun 23, 2025 | Ken Hohenstein | Chief Revenue Officer | Sale | 20.0K | $28.28 | $565.6K |
| Jun 18, 2025 | Koefoed William A | Chief Financial Officer | Sale | 9.4K | $27.90 | $261.0K |
Showing the 25 most recent of 64 Form 4 filings for OneStream, Inc..
Most active OS insiders
- Ken Hohenstein13 filings
- Koefoed William A11 filings
- Jonathan D Mariner8 filings
- Colby Craig4 filings
- John Kinzer3 filings
Ask anything about OS insider activity
Use Trabud's AI agent to query OneStream, Inc.'s Form 4 history in plain English — "Show me OS CEO purchases this year" or compare it against any other ticker.
Open the AI agentOS insider trading FAQ
Are OneStream, Inc. insiders buying or selling?
Across 64 SEC Form 4 filings, OneStream, Inc. (OS) insiders reported 0 open-market purchases totaling $0 and 64 sales totaling $1.2B. That is a net selling position of $1.2B.
How many insiders trade OS stock?
19 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for OneStream, Inc.. The most recent filing was accepted on Mar 18, 2026.
Where does Trabud get OS insider trading data?
All OS insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.
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