Jonathan D Mariner sold $385K of OneStream (OS)

Executed Dec 2 2025, disclosed Dec 4 2025, 2 days later.

Value, as filed

$385K

18,423 sh × $20.90

Executed

Dec 2 2025

the trade date, as filed

Disclosed

Dec 4 2025

2 days after the trade

Return, 21 sessionsiFrom the disclosed entry session; derived

–

purchases only

Returns are measured on stock purchases only.

The filer

JM Jonathan D Mariner Director profile →

Jonathan D Mariner (Director) filed 2 Form 4 reports in the trailing twelve months (0 purchases, 2 sales), most often in OS. The largest single filing was $385K of OS (18,423 sh × $20.90, as filed), executed Dec 2 2025.

The name

OS OS OS · 50 filings in 24 months ticker → Insider filings, newest first→ View the original filing at www.sec.gov→

Other filings by Jonathan D Mariner in OS

OSSALE OneStream, Inc. $131K
5,541 sh × $23.59
Exec Jan 6
Filed Jan 8 · 5:30 PM ET OSSALE OneStream, Inc. $156K
6,630 sh × $23.53
Exec Aug 4 2025
Filed Aug 6 2025 · 5:30 PM ET OSSALE OneStream, Inc. $176K
6,630 sh × $26.59
Exec Jul 7 2025
Filed Jul 9 2025 · 5:30 PM ET OSSALE OneStream, Inc. $185K
6,631 sh × $27.90
Exec Jun 2 2025
Filed Jun 4 2025 · 5:30 PM ET OSSALE OneStream, Inc. $154K
4,973 sh × $31.00
Exec Nov 27 2024
Filed Nov 27 2024 · 5:30 PM ET OSSALE OneStream, Inc. $1.2M
38,397 sh across 2 lots
Exec Nov 18 2024
Filed Nov 18 2024 · 5:30 PM ET