Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2025-02-18 Sale |
2025-02-20 4:34 pm |
OneStream Inc. | OS | Koefoed William A Chief Financial Officer |
10,000 | $25.04 | $250,400 | 245,481 (Direct) |
View |
2025-01-15 Sale |
2025-01-17 4:16 pm |
OneStream Inc. | OS | Koefoed William A Chief Financial Officer |
10,000 | $26.57 | $265,700 | 255,481 (Direct) |
View |
2024-12-13 Sale |
2024-12-17 8:45 pm |
OneStream Inc. | OS | Koefoed William A Chief Financial Officer |
13,765 | $30 | $412,917 | 701,166 (Direct) |
View |
2024-07-25 Sale |
2024-07-26 6:16 pm |
OneStream Inc. | OS | Koefoed William A Chief Financial Officer |
20,000 | $18.85 | $377,000 | 0 (Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2025-03-10 Option Award |
2025-03-12 5:20 pm |
N/A N/A |
OneStream Inc. | OS | Koefoed William A Chief Financial Officer |
253,694 | $0 | 253,694 (Direct) |
View |
2025-02-18 Exercise |
2025-02-20 4:34 pm |
N/A N/A |
OneStream Inc. | OS | Koefoed William A Chief Financial Officer |
10,000 | $10.65 | 245,481 (Direct) |
View |
2025-02-18 Exercise |
2025-02-20 4:34 pm |
N/A 2031-12-04 |
OneStream Inc. | OS | Koefoed William A Chief Financial Officer |
10,000 | $0 | 245,481 (Direct) |
View |
2025-01-15 Exercise |
2025-01-17 4:16 pm |
N/A N/A |
OneStream Inc. | OS | Koefoed William A Chief Financial Officer |
10,000 | $10.65 | 255,481 (Direct) |
View |
2025-01-15 Exercise |
2025-01-17 4:16 pm |
N/A 2031-12-04 |
OneStream Inc. | OS | Koefoed William A Chief Financial Officer |
10,000 | $0 | 255,481 (Direct) |
View |
2024-12-13 Exercise |
2024-12-17 8:45 pm |
N/A N/A |
OneStream Inc. | OS | Koefoed William A Chief Financial Officer |
13,765 | $10.65 | 701,166 (Direct) |
View |
2024-12-13 Exercise |
2024-12-17 8:45 pm |
N/A 2031-12-04 |
OneStream Inc. | OS | Koefoed William A Chief Financial Officer |
13,765 | $0 | 701,166 (Direct) |
View |
Ownership(A) |
2024-07-26 6:02 pm |
N/A N/A |
OneStream Inc. | OS | Koefoed William A Chief Financial Officer |
0 | $0 | 2,350,291 (Indirect) |
View |
Ownership |
2024-07-24 8:29 pm |
N/A N/A |
OneStream Inc. | OS | Koefoed William A Chief Financial Officer |
0 | $0 | 2,876,980 (Direct) |
View |