OneStream, Inc. (OS) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-04-08

OneStream, Inc. (OS) — no SEC Form 4 insider filings recorded in the last 90 days. InsiderAlpha tracks every OS SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About OneStream, Inc. (OS)

SIC classification	Services-Prepackaged Software (SIC 7372)
SEC CIK	0001889956

Recent OS Insider Transactions (Form 4)

Date	Insider	Role	Transaction	Shares	Price	Value	Filing
2026-04-01	Hohenstein Ken	Chief Revenue Officer	D — Derivative transaction	821.2K	—	—	SEC
2026-04-01	Hohenstein Ken	Chief Revenue Officer	D — Derivative transaction	790.3K	—	—	SEC
2026-04-01	Kinzer John	See Remarks	D — Derivative transaction	30.0K	—	—	SEC
2026-04-01	Kinzer John	See Remarks	D — Derivative transaction	7.1K	—	—	SEC
2026-04-01	Kinzer John	See Remarks	D — Derivative transaction	94.6K	—	—	SEC
2026-04-01	Hohenstein Ken	Chief Revenue Officer	D — Derivative transaction	209.4K	—	—	SEC
2026-04-01	Leshinski Scott	President	D — Derivative transaction	9.1K	—	—	SEC
2026-04-01	Shea Thomas Anthony	CEO	D — Derivative transaction	80.0K	—	—	SEC
2026-04-01	Sridharan Baskar	Insider	D — Derivative transaction	21.6K	—	—	SEC
2026-04-01	Leshinski Scott	President	D — Derivative transaction	369.4K	—	—	SEC
2026-04-01	McIntyre Pamela	Chief Accounting Officer	D — Derivative transaction	250	—	—	SEC
2026-04-01	MARINER JONATHAN D	Insider	D — Derivative transaction	7.1K	—	—	SEC
2026-04-01	Shea Thomas Anthony	CEO	D — Derivative transaction	380.0K	—	—	SEC
2026-04-01	McIntyre Pamela	Chief Accounting Officer	D — Derivative transaction	100.5K	—	—	SEC
2026-04-01	Burkland Michael	Insider	D — Derivative transaction	7.1K	—	—	SEC

All transactions sourced from SEC EDGAR Form 4 filings for OneStream, Inc. (OS). Updated in real time as new filings are submitted to the SEC.

Recent OS Form 8-K Material Events

2026-04-01 — Item 1.01, 1.02, 2.01, 3.01, 3.03, 5.01, 5.03, 8.01, 9.01 · Acquisition · neutral [SEC]
OneStream, Inc. completed its merger with Onward AcquireCo, Inc. (an affiliate of Hg) on April 1, 2026, pursuant to a merger agreement dated January 6, 2026. OneStream is now a subsidiary of Parent, with the transaction consummated through two merger transactions involving OneStr
2026-02-26 — Item 2.02, 9.01 [SEC]

Recent Insider Filings

2026-04-08 — K-PRIME AG Financing LP (Insider)
2026-04-08 — KKR Dream Holdings LLC (Insider)
2026-04-08 — KKR TFO Partners L.P. (Insider)
2026-04-08 — KKR NGT (Dream) Blocker Parent L.P. (Insider)
2026-04-08 — KKR Group Partnership L.P. (Insider)

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in OS insider filings:

P	Open-market purchase by the insider
S	Open-market sale by the insider
A	Grant, award, or other acquisition from the issuer
M	Exercise or conversion of derivative security (e.g. options)
F	Payment of exercise price or tax liability via share withholding
G	Bona-fide gift of securities
D	Disposition to the issuer (e.g. share buyback participation)
J	Other acquisition or disposition
X	Exercise of in-the-money or at-the-money derivative security
C	Conversion of derivative security
V	Transaction voluntarily reported earlier than required

OS Insider Trading — FAQ

What is the latest insider trade for OS?: OneStream, Inc. (OS) had 0 insider filings in the last 90 days, with the most recent on 2026-04-08. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying OS stock?: 0 insider purchases of OS were filed in the last 90 days.
How many insiders are selling OS stock?: 0 insider sales of OS were filed in the last 90 days.
Where can I see OS SEC filings (Form 4, 10-K, 10-Q, 8-K)?: InsiderAlpha aggregates every OS SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

Related Companies — Recent Insider Activity

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