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 |
|---|---|---|---|---|---|
|
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
|
|
Jun 25
2025
|
William A Koefoed Chief Financial Officer |
SELL
Open market or private sale
|
Direct |
25,000
-9.51%
|
$650,000
$26.77 P/Share
|
|
Jun 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
|
|
Jun 20
2025
|
John Kinzer |
SELL
Open market or private sale
|
Indirect |
30,000
-98.17%
|
$840,000
$28.53 P/Share
|
|
Jun 20
2025
|
John Kinzer |
BUY
Conversion of derivative security
|
Indirect |
30,000
+50.0%
|
-
|
|
Jun 18
2025
|
Ken Hohenstein Chief Revenue Officer |
SELL
Open market or private sale
|
Direct |
20,000
-1.95%
|
$560,000
$28.28 P/Share
|
|
Jun 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
|
|
Jun 16
2025
|
William A Koefoed Chief Financial Officer |
SELL
Open market or private sale
|
Direct |
9,354
-3.78%
|
$252,558
$27.9 P/Share
|
|
Jun 11
2025
|
Thomas Anthony Shea CEO and President |
SELL
Open market or private sale
|
Direct |
9,913
-1.96%
|
$277,564
$28.23 P/Share
|
|
Jun 11
2025
|
Craig Colby |
SELL
Open market or private sale
|
Direct |
6,279
-2.87%
|
$175,812
$28.23 P/Share
|
|
Jun 11
2025
|
Ken Hohenstein Chief Revenue Officer |
SELL
Open market or private sale
|
Direct |
6,280
-0.62%
|
$175,840
$28.23 P/Share
|
|
Jun 11
2025
|
William A Koefoed Chief Financial Officer |
SELL
Open market or private sale
|
Direct |
6,501
-2.56%
|
$182,028
$28.23 P/Share
|
|
Jun 10
2025
|
Thomas Anthony Shea CEO and President |
BUY
Conversion of derivative security
|
Direct |
150
+0.03%
|
-
|
|
Jun 02
2025
|
Jonathan D Mariner |
SELL
Open market or private sale
|
Direct |
6,631
-12.38%
|
$179,037
$27.9 P/Share
|
|
May 27
2025
|
William A Koefoed Chief Financial Officer |
SELL
Open market or private sale
|
Direct |
25,000
-8.97%
|
$700,000
$28.76 P/Share
|
Last 12 Months Summary
Buy / Acquisition
31.5M
Shares
From
20
Insiders
| Grant, award, or other acquisition | 1.01M shares |
|---|---|
| Conversion of derivative security | 29.8M shares |
| Exercise of conversion of derivative security | 729K shares |
Sell / Disposition
30.3M
Shares
From
12
Insiders
| Open market or private sale | 30.3M shares |
|---|