Insider Transactions in Q4 2025 at One Stream, Inc. (OS)
Insider Transaction List (Q4 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
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 Chief Financial Officer |
SELL
Open market or private sale
|
Direct |
9,571
-4.44%
|
$162,707
$17.73 P/Share
|
|
Dec 10
2025
|
William A Koefoed Chief Financial Officer |
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%
|
-
|