OS
OneStream, Inc.
Insiders sold $6.2M net in the last 90 days ·4 sellers, 0 buyers· 8 of 8 sales under Rule 10b5-1 plans· latest Form 4 filed Mar 18, 2026
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$10.5M
reported sales (SEC code S)
Unique Insiders
6
in the rolling window
Latest filing
Apr 3, 2026
Hohenstein Ken
OneStream, Inc. (OS) has 41 SEC Form 4 filings (66 transaction rows) in the rolling window, disclosed by 6 distinct insiders. Most recent filing: Apr 3, 2026.
Inside the rolling window, 6 insiders at OneStream, Inc. reported no open-market purchases and 16 open-market sales totaling $10.5M. The most active filer is Chief Revenue Officer Hohenstein Ken with 8 filings. Insiders have net sold $9.0M over the trailing 6 months. The most recent open-market filing is a sale of 49,204 shares by Chief Revenue Officer Hohenstein Ken, dated Mar 16, 2026, worth $1.2M.
- Industry:Software - Application
- CEO:Thomas Shea
- Employees:1,500
- HQ:Birmingham, DE, US
- IPO:2005-07-11
| Source | |||||||
|---|---|---|---|---|---|---|---|
| Chief Revenue Officer | Sale | 49,204 | $1.2M | Mar 18 | +1.1% | SEC ↗ | |
| Chief Revenue Officer | Sale | 10,000 | $236K | Mar 18 | +1.1% | SEC ↗ | |
Leshinski ScottFirst filing | President | Sale | 7,412 | $176K | Mar 12 | +1.7% | SEC ↗ |
| Chief Accounting Officer | Sale | 2,015 | $48K | Mar 12 | +1.7% | SEC ↗ | |
| Chief Revenue Officer | Sale | 60,000 | $1.4M | Feb 19 | +1.7% | SEC ↗ | |
| Chief Revenue Officer | Sale | 120,000 | $2.8M | Jan 20 | +1.6% | SEC ↗ | |
McIntyre PamelaFirst filing | Chief Accounting Officer | Sale | 6,505 | $153K | Jan 9 | +1.6% | SEC ↗ |
| Director | Sale | 7,956 | $185K | Jan 8 | +1.7% | SEC ↗ | |
| Chief Revenue Officer | Sale | 40,000 | $688K | Dec 18 | +32.0% | SEC ↗ | |
Koefoed William AFirst in 3 months | Chief Financial Officer | Sale | 9,571 | $170K | Dec 16 | — | SEC ↗ |
MARINER JONATHAN DFirst filing | Director | Sale | 18,423 | $385K | Dec 4 | — | SEC ↗ |
| Chief Revenue Officer | Sale | 40,000 | $838K | Nov 19 | — | SEC ↗ | |
| Chief Revenue Officer | Sale | 40,000 | $674K | Oct 17 | — | SEC ↗ | |
Kinzer JohnFirst filing | Director | Sale | 30,000 | $600K | Sep 22 | — | SEC ↗ |
Hohenstein KenFirst filing | Chief Revenue Officer | Sale | 40,000 | $748K | Sep 18 | — | SEC ↗ |
Koefoed William AFirst filing | Chief Financial Officer | Sale | 8,943 | $170K | Sep 16 | — | SEC ↗ |
Frequently asked questions
How many SEC Form 4 insider filings does OS have?
OneStream, Inc. (OS) has 41 SEC Form 4 filings (66 transaction rows) in the rolling 365-day window, disclosed by 6 distinct insiders. Most recent filing: Apr 3, 2026.
When was the most recent SEC Form 4 filing for OS?
The most recent Form 4 filing for OS on Tracefour is dated Apr 3, 2026.
Who is the most active insider at OS?
The most active SEC Form 4 filer at OS in the rolling window is Chief Revenue Officer Hohenstein Ken, with 8 filings.
What is the net insider flow at OS over the last 6 months?
Over the trailing 180 days, insiders at OS have net sold $9.0M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at OS in the current window?
Inside the rolling window, insiders at OS bought $0 and sold $10.5M based on SEC Form 4 filings.
Can I get alerts for OS insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at OneStream, Inc. (OS). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.