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 |
|---|---|---|---|---|---|
|
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%
|
-
|
|
Sep 19
2025
|
John Kinzer |
SELL
Open market or private sale
|
Indirect |
30,000
-100.0%
|
$600,000
$20.0 P/Share
|
|
Sep 18
2025
|
John Kinzer |
BUY
Conversion of derivative security
|
Indirect |
30,000
+50.0%
|
-
|
|
Sep 16
2025
|
Ken Hohenstein Chief Revenue Officer |
SELL
Open market or private sale
|
Direct |
40,000
-3.86%
|
$720,000
$18.69 P/Share
|
|
Sep 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
|
|
Sep 15
2025
|
William A Koefoed Chief Financial Officer |
SELL
Open market or private sale
|
Direct |
8,943
-3.87%
|
$169,917
$19.03 P/Share
|
|
Sep 10
2025
|
Thomas Anthony Shea CEO and President |
SELL
Payment of exercise price or tax liability
|
Direct |
13,805
-2.78%
|
$262,295
$19.79 P/Share
|
|
Sep 10
2025
|
William A Koefoed Chief Financial Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
6,913
-2.91%
|
$131,347
$19.79 P/Share
|
|
Sep 10
2025
|
Ken Hohenstein Chief Revenue Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
6,101
-0.61%
|
$115,919
$19.79 P/Share
|
|
Sep 03
2025
|
Jonathan D Mariner |
SELL
Open market or private sale
|
Direct |
141
-0.42%
|
$2,820
$20.07 P/Share
|
|
Aug 18
2025
|
Ken Hohenstein Chief Revenue Officer |
SELL
Open market or private sale
|
Direct |
20,000
-1.95%
|
$420,000
$21.56 P/Share
|
|
Aug 18
2025
|
Ken Hohenstein Chief Revenue Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
20,000
+1.92%
|
$200,000
$10.65 P/Share
|
|
Aug 04
2025
|
Jonathan D Mariner |
SELL
Open market or private sale
|
Direct |
6,630
-16.46%
|
$152,490
$23.53 P/Share
|
|
Jul 25
2025
|
William A Koefoed Chief Financial Officer |
SELL
Open market or private sale
|
Direct |
25,000
-9.51%
|
$625,000
$25.0 P/Share
|
|
Jul 25
2025
|
William A Koefoed Chief Financial Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
25,000
+8.69%
|
$250,000
$10.65 P/Share
|
|
Jul 18
2025
|
Ken Hohenstein Chief Revenue Officer |
SELL
Open market or private sale
|
Direct |
20,000
-1.95%
|
$500,000
$25.12 P/Share
|
|
Jul 18
2025
|
Ken Hohenstein Chief Revenue Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
20,000
+1.92%
|
$200,000
$10.65 P/Share
|
|
Jul 07
2025
|
Jonathan D Mariner |
SELL
Open market or private sale
|
Direct |
6,630
-14.13%
|
$172,380
$26.59 P/Share
|
Last 12 Months Summary
Buy / Acquisition
31.7M
Shares
From
21
Insiders
| Grant, award, or other acquisition | 1.03M shares |
|---|---|
| Conversion of derivative security | 29.8M shares |
| Exercise of conversion of derivative security | 829K shares |
Sell / Disposition
30.5M
Shares
From
15
Insiders
| Open market or private sale | 30.5M shares |
|---|---|
| Payment of exercise price or tax liability | 26.8K shares |