OS
OneStream, Inc.Company with tickers: OS
CIK
1889956
CUSIP
68278B107
Shares Outstanding
99,803,647
Website
https://www.onestream.com
13F Activity (30d)
101 filings
99 filers
Notices of intent to sell restricted or control shares, filed with the SEC on Form 144 by insiders and affiliates. A Form 144 signals a planned sale — it does not confirm the shares were actually sold.
| Filed | Seller | Relationship | Shares | Approx. Sale | Broker |
|---|---|---|---|---|---|
| 2026-03-17 | Hohenstein Ken | Officer | 10,000 | 2026-03-17 | Fidelity Brokerage Services LLC |
| 2026-03-16 | Hohenstein Ken | Officer | 49,204 | 2026-03-16 | Fidelity Brokerage Services LLC |
| 2026-03-11 | Leshinski Scott | Officer | 7,412 | 2026-03-11 | Fidelity Brokerage Services LLC |
| 2026-02-17 | Hohenstein Ken | Officer | 60,000 | 2026-02-17 | Fidelity Brokerage Services LLC |
| 2026-01-16 | Hohenstein Ken | Officer | 120,000 | 2026-01-16 | Fidelity Brokerage Services LLC |
| 2025-12-16 | Hohenstein Ken | Officer | 40,000 | 2025-12-16 | Fidelity Brokerage Services LLC |
| 2025-12-15 | Koefoed William A | Officer | 9,571 | 2025-12-15 | Fidelity Brokerage Services LLC |
| 2025-11-17 | Hohenstein Ken | Officer | 40,000 | 2025-11-17 | Fidelity Brokerage Services LLC |
| 2025-10-16 | Hohenstein Ken | Officer | 40,000 | 2025-10-16 | Fidelity Brokerage Services LLC |
| 2025-09-19 | Kinzer John | Director | 30,000 | 2025-09-19 | Fidelity Brokerage Services LLC |
| 2025-09-16 | Hohenstein Ken | Officer | 40,000 | 2025-09-16 | Fidelity Brokerage Services LLC |
| 2025-09-15 | Koefoed William A | Officer | 8,943 | 2025-09-15 | Fidelity Brokerage Services LLC |
| 2025-08-18 | Hohenstein Ken | Officer | 20,000 | 2025-08-18 | Fidelity Brokerage Services LLC |
| 2025-07-25 | Koefoed William A | Officer | 25,000 | 2025-07-25 | Fidelity Brokerage Services LLC |
| 2025-07-18 | Hohenstein Ken | Officer | 20,000 | 2025-07-18 | Fidelity Brokerage Services LLC |
| 2025-06-25 | Koefoed William A | Officer | 25,000 | 2025-06-25 | Fidelity Brokerage Services LLC |
| 2025-06-20 | Kinzer John | Director | 30,000 | 2025-06-20 | Fidelity Brokerage Services LLC |
| 2025-06-18 | Hohenstein Ken | Officer | 20,000 | 2025-06-18 | Fidelity Brokerage Services LLC |
| 2025-06-16 | Koefoed William A | Officer | 9,354 | 2025-06-16 | Fidelity Brokerage Services LLC |
| 2025-06-11 | Powers Robert Allan Jr. | Officer | 634 | 2025-06-11 | Fidelity Brokerage Services LLC |
| 2025-06-11 | Shea Thomas Anthony | Officer, Director | 9,913 | 2025-06-11 | Fidelity Brokerage Services LLC |
| 2025-06-11 | Hohenstein Ken | Officer | 6,280 | 2025-06-11 | Fidelity Brokerage Services LLC |
| 2025-06-11 | Koefoed William A | Officer | 6,501 | 2025-06-11 | Fidelity Brokerage Services LLC |
| 2025-06-11 | Colby Craig | Officer | 6,279 | 2025-06-11 | Fidelity Brokerage Services LLC |
| 2025-05-27 | Koefoed William A | Officer | 25,000 | 2025-05-27 | Fidelity Brokerage Services LLC |
| 2025-05-19 | Hohenstein Ken | Officer | 20,000 | 2025-05-19 | Fidelity Brokerage Services LLC |
| 2025-05-09 | Colby Craig | Officer | 280,000 | 2025-05-09 | Fidelity Brokerage Services LLC |
| 2025-04-09 | Kinzer John | Director | 40,000 | 2025-04-09 | Fidelity Brokerage Services LLC |
| 2025-02-18 | Koefoed William A | Officer | 10,000 | 2025-02-18 | Fidelity Brokerage Services LLC |
| 2025-01-15 | Koefoed William A | Officer | 10,000 | 2025-01-15 | Fidelity Brokerage Services LLC |
| 2024-12-13 | Koefoed William A | Officer | 13,765 | 2024-12-13 | Fidelity Brokerage Services LLC |
| 2024-12-13 | Colby Craig | Officer | 280,000 | 2024-12-13 | Fidelity Brokerage Services LLC |
Showing 1–32 of 32 filings