Insider activity at OneStream, Inc. has been all selling for a year now: about $9 million from five sellers, and zero buyers on the open market.
Selling on its own is common and often pre-planned (10b5-1 plans, taxes, diversification), so it matters more when it is unusually heavy or broad.
Quarter by quarter: No open-market insider buying or selling in the last full quarter. Insiders bought in 0 of the last 7 full quarters.
| Filed | Insider | Role | Type | Shares | Price | Value | Source |
|---|---|---|---|---|---|---|---|
| Mar 18, 2026 | Hohenstein Ken | Executive Officer | Sell | 49,204 | $23.58 | $1.2M | SEC |
| Mar 18, 2026 | Hohenstein Ken | Executive Officer | Sell | 10,000 | $23.62 | $236K | SEC |
| Mar 12, 2026 | Leshinski Scott | President | Sell | 7,412 | $23.68 | $176K | SEC |
| Mar 12, 2026 | McIntyre Pamela | Executive Officer | Sell | 2,015 | $23.68 | $48K | SEC |
| Feb 19, 2026 | Hohenstein Ken | Executive Officer | Sell | 60,000 | $23.46 | $1.4M | SEC |
| Jan 20, 2026 | Hohenstein Ken | Executive Officer | Sell | 120,000 | $23.63 | $2.8M | SEC |
| Jan 9, 2026 | McIntyre Pamela | Executive Officer | Sell | 6,505 | $23.58 | $153K | SEC |
| Jan 8, 2026 | MARINER JONATHAN D | Director | Sell | 2,415 | $22.66 | $55K | SEC |
| Jan 8, 2026 | MARINER JONATHAN D | Director | Sell | 5,541 | $23.59 | $131K | SEC |
| Dec 18, 2025 | Hohenstein Ken | Executive Officer | Sell | 40,000 | $17.21 | $688K | SEC |
| Dec 16, 2025 | Koefoed William A | CFO | Sell | 9,571 | $17.73 | $170K | SEC |
| Dec 4, 2025 | MARINER JONATHAN D | Director | Sell | 18,423 | $20.90 | $385K | SEC |
| Nov 19, 2025 | Hohenstein Ken | Executive Officer | Sell | 40,000 | $20.94 | $838K | SEC |
| Oct 17, 2025 | Hohenstein Ken | Executive Officer | Sell | 39,510 | $16.84 | $665K | SEC |
| Oct 17, 2025 | Hohenstein Ken | Executive Officer | Sell | 490 | $17.59 | $9K | SEC |
In the last 12 months OneStream, Inc. insiders made open-market purchases worth about $0 and sales worth about $9 million. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
The most recent open-market insider trade in OS was filed on 2026-03-18.
No congressional trades in OS were reported in the past two years. The full list is free on CapitalSnitch.
Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1). Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).