One Stream, Inc. OS
We take great care to ensure that the data presented and summarized in this overview for OneStream, Inc. is accurate and up-to-date, based on a comprehensive analysis of 13F filing forms for institutional ownership and form 4 filings for insider transactions. Please note that this data may differ from other sources and should not be relied upon as the sole basis for investment decisions.
Latest Institutional Activity in OS
Top Purchases
Top Sells
About OS
Insider Transactions at OS
Insider Transaction List
View all| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Jan 16
2026
|
Ken Hohenstein Chief Revenue Officer |
SELL
Open market or private sale
|
Direct |
120,000
-10.8%
|
$2,760,000
$23.63 P/Share
|
|
Jan 16
2026
|
Ken Hohenstein Chief Revenue Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
120,000
+5.21%
|
$1,440,000
$12.58 P/Share
|
|
Jan 08
2026
|
Pamela Mc Intyre Chief Accounting Officer |
SELL
Open market or private sale
|
Direct |
6,505
-9.95%
|
$149,615
$23.58 P/Share
|
|
Jan 06
2026
|
Jonathan D Mariner |
SELL
Open market or private sale
|
Direct |
7,956
-29.87%
|
$182,988
$23.13 P/Share
|
|
Jan 01
2026
|
Pamela Mc Intyre Chief Accounting Officer |
BUY
Grant, award, or other acquisition
|
Direct |
18,989
+22.51%
|
-
|
|
Jan 01
2026
|
Scott Leshinski President |
BUY
Grant, award, or other acquisition
|
Direct |
149,202
+33.82%
|
-
|
|
Dec 19
2025
|
John Kinzer |
BUY
Conversion of derivative security
|
Indirect |
30,000
+50.0%
|
-
|
|
Dec 16
2025
|
Ken Hohenstein Chief Revenue Officer |
SELL
Open market or private sale
|
Direct |
40,000
-3.88%
|
$680,000
$17.21 P/Share
|
|
Dec 16
2025
|
Ken Hohenstein Chief Revenue Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
40,000
+3.74%
|
$400,000
$10.65 P/Share
|
|
Dec 15
2025
|
William A Koefoed |
SELL
Open market or private sale
|
Direct |
9,571
-4.44%
|
$162,707
$17.73 P/Share
|
|
Dec 10
2025
|
William A Koefoed |
SELL
Payment of exercise price or tax liability
|
Direct |
6,285
-2.83%
|
$113,130
$18.38 P/Share
|
|
Dec 10
2025
|
Thomas Anthony Shea CEO and President |
SELL
Payment of exercise price or tax liability
|
Direct |
13,805
-2.86%
|
$248,490
$18.38 P/Share
|
|
Dec 10
2025
|
Ken Hohenstein Chief Revenue Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
6,101
-0.61%
|
$109,818
$18.38 P/Share
|
|
Dec 02
2025
|
John Kinzer |
BUY
Grant, award, or other acquisition
|
Direct |
94,607
+48.18%
|
-
|
|
Dec 02
2025
|
Jonathan D Mariner |
SELL
Open market or private sale
|
Direct |
18,423
-54.98%
|
$368,460
$20.9 P/Share
|
|
Nov 17
2025
|
Ken Hohenstein Chief Revenue Officer |
SELL
Open market or private sale
|
Direct |
40,000
-3.86%
|
$800,000
$20.94 P/Share
|
|
Nov 17
2025
|
Ken Hohenstein Chief Revenue Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
40,000
+3.71%
|
$400,000
$10.65 P/Share
|
|
Oct 16
2025
|
Ken Hohenstein Chief Revenue Officer |
SELL
Open market or private sale
|
Direct |
40,000
-1.93%
|
$680,000
$17.22 P/Share
|
|
Oct 16
2025
|
Ken Hohenstein Chief Revenue Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
40,000
+3.71%
|
$400,000
$10.65 P/Share
|
|
Oct 03
2025
|
Baskar Sridharan |
BUY
Grant, award, or other acquisition
|
Direct |
21,609
+50.0%
|
-
|
Last 12 Months Summary
Buy / Acquisition
2.2M
Shares
From
17
Insiders
| Grant, award, or other acquisition | 1.29M shares |
|---|---|
| Conversion of derivative security | 184K shares |
| Exercise of conversion of derivative security | 725K shares |
Sell / Disposition
988K
Shares
From
10
Insiders
| Open market or private sale | 935K shares |
|---|---|
| Payment of exercise price or tax liability | 53K shares |