Insider Transactions in Q3 2025 at One Stream, Inc. (OS)
Insider Transaction List (Q3 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
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
|