SEC Filings for OneStream, Inc. (OS)

Last updated: 2026-03-27 17:10 UTC | Total filings: 241

Browse the latest SEC filings and forms submitted by OneStream, Inc. (OS). Access annual reports, quarterly statements, and other official disclosures.

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Form Filing Date Description Link
SCHEDULE 13G/A March 27, 2026 - View Document
4 March 26, 2026 - View Document
4 March 20, 2026 - View Document
4 March 20, 2026 - View Document
4 March 20, 2026 - View Document
4 March 18, 2026 - View Document
144 March 17, 2026 - View Document
144 March 16, 2026 - View Document
4 March 12, 2026 - View Document
4 March 12, 2026 - View Document
4 March 12, 2026 - View Document
4 March 12, 2026 - View Document
144 March 11, 2026 - View Document
DEFM14C Feb. 27, 2026 DEFM14C View Document
8-K Feb. 26, 2026 8-K View Document
10-K Feb. 26, 2026 10-K View Document
4 Feb. 19, 2026 - View Document
144 Feb. 17, 2026 - View Document
PREM14C Feb. 17, 2026 PREM14C View Document
SCHEDULE 13G/A Feb. 17, 2026 - View Document
SCHEDULE 13G/A Feb. 13, 2026 - View Document
SCHEDULE 13G/A Feb. 13, 2026 - View Document
SCHEDULE 13G Feb. 12, 2026 - View Document
SCHEDULE 13G Feb. 9, 2026 - View Document
SCHEDULE 13G/A Jan. 26, 2026 - View Document
4 Jan. 20, 2026 - View Document
144 Jan. 16, 2026 - View Document
4 Jan. 9, 2026 - View Document
4 Jan. 8, 2026 - View Document
144 Jan. 6, 2026 - View Document
8-K Jan. 6, 2026 8-K View Document
4 Jan. 5, 2026 - View Document
3 Jan. 5, 2026 - View Document
3 Jan. 5, 2026 - View Document
4 Jan. 5, 2026 - View Document
4 Jan. 5, 2026 - View Document
8-K/A Jan. 2, 2026 8-K/A View Document
4 Dec. 23, 2025 - View Document
4 Dec. 18, 2025 - View Document
144 Dec. 16, 2025 - View Document
4 Dec. 16, 2025 - View Document
144 Dec. 15, 2025 - View Document
4 Dec. 12, 2025 - View Document
4 Dec. 12, 2025 - View Document
4 Dec. 12, 2025 - View Document
4 Dec. 4, 2025 - View Document
4 Dec. 4, 2025 - View Document
8-K Dec. 2, 2025 8-K View Document
4 Nov. 19, 2025 - View Document
144 Nov. 17, 2025 - View Document
SCHEDULE 13G/A Nov. 13, 2025 - View Document
10-Q Nov. 6, 2025 10-Q View Document
8-K Nov. 6, 2025 8-K View Document
SCHEDULE 13G/A Nov. 3, 2025 - View Document
4 Oct. 17, 2025 - View Document
144 Oct. 16, 2025 - View Document
8-K Oct. 7, 2025 8-K View Document
4 Oct. 7, 2025 - View Document
3 Oct. 7, 2025 - View Document
4 Sept. 22, 2025 - View Document
144 Sept. 19, 2025 - View Document
4 Sept. 18, 2025 - View Document
144 Sept. 16, 2025 - View Document
4 Sept. 16, 2025 - View Document
144 Sept. 15, 2025 - View Document
4 Sept. 12, 2025 - View Document
4 Sept. 12, 2025 - View Document
4 Sept. 12, 2025 - View Document
4 Sept. 4, 2025 - View Document
144 Sept. 3, 2025 - View Document
4 Aug. 20, 2025 - View Document
144 Aug. 18, 2025 - View Document
10-Q Aug. 7, 2025 10-Q View Document
8-K Aug. 7, 2025 8-K View Document
4 Aug. 6, 2025 - View Document
4 July 28, 2025 - View Document
SCHEDULE 13G/A July 28, 2025 - View Document
144 July 25, 2025 - View Document
4 July 21, 2025 - View Document
144 July 18, 2025 - View Document
4 July 9, 2025 - View Document
SCHEDULE 13G/A July 7, 2025 - View Document
4 June 27, 2025 - View Document
144 June 25, 2025 - View Document
4 June 24, 2025 - View Document
4 June 23, 2025 - View Document
144 June 20, 2025 - View Document
4 June 18, 2025 - View Document
144 June 18, 2025 - View Document
144 June 16, 2025 - View Document
4 June 12, 2025 - View Document
4 June 12, 2025 - View Document
4 June 12, 2025 - View Document
4 June 12, 2025 - View Document
144 June 11, 2025 - View Document
144 June 11, 2025 - View Document
144 June 11, 2025 - View Document
144 June 11, 2025 - View Document
144 June 11, 2025 - View Document
4 June 4, 2025 - View Document
144 June 2, 2025 - View Document
4 May 29, 2025 - View Document
144 May 27, 2025 - View Document
4 May 22, 2025 - View Document
4 May 22, 2025 - View Document
4 May 22, 2025 - View Document
8-K May 22, 2025 8-K View Document
4 May 22, 2025 - View Document
4 May 21, 2025 - View Document
144 May 19, 2025 - View Document
SCHEDULE 13G May 14, 2025 - View Document
SCHEDULE 13G/A May 14, 2025 - View Document
SCHEDULE 13G/A May 14, 2025 - View Document
SCHEDULE 13G/A May 14, 2025 - View Document
SCHEDULE 13G/A May 14, 2025 - View Document
4 May 13, 2025 - View Document
144 May 9, 2025 - View Document
10-Q May 8, 2025 10-Q View Document
8-K May 8, 2025 8-K View Document
3 May 6, 2025 - View Document
SCHEDULE 13G/A April 30, 2025 - View Document
4 April 10, 2025 - View Document
144 April 9, 2025 - View Document
DEF 14A April 8, 2025 DEF 14A View Document
8-K April 8, 2025 8-K View Document
DEFA14A April 8, 2025 DEFA14A View Document
ARS April 8, 2025 ARS View Document
4 March 26, 2025 - View Document
4 March 26, 2025 - View Document
4 March 26, 2025 - View Document
SCHEDULE 13G March 25, 2025 - View Document
4 March 12, 2025 - View Document
4 March 12, 2025 - View Document
4 March 12, 2025 - View Document
S-8 Feb. 27, 2025 S-8 View Document
10-K Feb. 27, 2025 10-K View Document
4 Feb. 20, 2025 - View Document
144 Feb. 18, 2025 - View Document
SCHEDULE 13G/A Feb. 14, 2025 - View Document
SCHEDULE 13G/A Feb. 13, 2025 - View Document
SCHEDULE 13G Feb. 13, 2025 - View Document
SCHEDULE 13G/A Feb. 12, 2025 - View Document
8-K Feb. 11, 2025 8-K View Document
SCHEDULE 13G/A Feb. 7, 2025 - View Document
SCHEDULE 13G Feb. 5, 2025 - View Document
4 Jan. 17, 2025 - View Document
144 Jan. 15, 2025 - View Document
4 Dec. 17, 2024 - View Document
4 Dec. 17, 2024 - View Document
144 Dec. 13, 2024 - View Document
144 Dec. 13, 2024 - View Document
SC 13G Dec. 9, 2024 SCHEDULE 13G View Document
4 Nov. 29, 2024 FORM 4 View Document
4 Nov. 29, 2024 FORM 4 View Document
4 Nov. 29, 2024 FORM 4 View Document
4 Nov. 27, 2024 - View Document
4 Nov. 27, 2024 - View Document
4 Nov. 27, 2024 - View Document
4 Nov. 18, 2024 - View Document
4 Nov. 18, 2024 FORM 4 View Document
4 Nov. 18, 2024 FORM 4 View Document
4 Nov. 18, 2024 FORM 4 View Document
4 Nov. 18, 2024 - View Document
4 Nov. 18, 2024 - View Document
424B4 Nov. 15, 2024 424B4 View Document
SC 13G/A Nov. 14, 2024 - View Document
EFFECT Nov. 14, 2024 - View Document
SC 13G Nov. 13, 2024 SC 13G View Document
SC 13G Nov. 13, 2024 ONESTREAM, INC. View Document
CORRESP Nov. 12, 2024 - View Document
SC 13G/A Nov. 12, 2024 - View Document
SC 13G Nov. 12, 2024 SC 13G View Document
SC 13G Nov. 12, 2024 SC 13G View Document
SC 13G Nov. 12, 2024 SC 13G View Document
S-1 Nov. 12, 2024 S-1 View Document
CORRESP Nov. 12, 2024 - View Document
10-Q Nov. 7, 2024 10-Q View Document
8-K Nov. 7, 2024 8-K View Document
SC 13G/A Nov. 4, 2024 - View Document
DRS Nov. 1, 2024 - View Document
SC 13G Oct. 15, 2024 - View Document
SC 13G Oct. 7, 2024 - View Document
8-K Sept. 3, 2024 8-K View Document
10-Q Sept. 3, 2024 10-Q View Document
SC 13G Aug. 12, 2024 OS AS OF 07/31/2024 View Document
4 July 29, 2024 - View Document
4 July 29, 2024 - View Document
4 July 29, 2024 - View Document
4 July 29, 2024 FORM 4 View Document
4 July 29, 2024 FORM 4 View Document
4 July 29, 2024 FORM 4 View Document
4 July 29, 2024 - View Document
4 July 29, 2024 - View Document
4 July 29, 2024 - View Document
4 July 26, 2024 - View Document
8-K July 26, 2024 8-K View Document
3/A July 26, 2024 - View Document
3/A July 26, 2024 - View Document
3/A July 26, 2024 - View Document
3/A July 26, 2024 - View Document
4 July 26, 2024 - View Document
4 July 26, 2024 - View Document
4 July 26, 2024 - View Document
4 July 26, 2024 - View Document
3 July 24, 2024 - View Document
3 July 24, 2024 FORM 3 View Document
3 July 24, 2024 - View Document
3 July 24, 2024 - View Document
3 July 24, 2024 - View Document
3 July 24, 2024 - View Document
3 July 24, 2024 - View Document
3 July 24, 2024 - View Document
3 July 24, 2024 - View Document
3 July 24, 2024 - View Document
3 July 24, 2024 - View Document
3 July 24, 2024 - View Document
3 July 24, 2024 - View Document
3 July 24, 2024 - View Document
3 July 24, 2024 FORM 3 View Document
3 July 24, 2024 - View Document
3 July 24, 2024 - View Document
3 July 24, 2024 - View Document
S-8 July 24, 2024 S-8 View Document
424B4 July 24, 2024 424B4 View Document
CERT July 24, 2024 - View Document
8-A12B July 24, 2024 8-A12B View Document
3 July 24, 2024 FORM 3 View Document
EFFECT July 23, 2024 - View Document
CORRESP July 19, 2024 - View Document
CORRESP July 19, 2024 - View Document
CORRESP July 15, 2024 - View Document
S-1/A July 15, 2024 S-1/A View Document
UPLOAD July 9, 2024 - View Document
CORRESP June 28, 2024 - View Document
S-1 June 28, 2024 S-1 View Document
UPLOAD June 18, 2024 - View Document
DRS/A June 4, 2024 - View Document
DRSLTR March 14, 2024 - View Document
DRS/A March 14, 2024 - View Document
UPLOAD March 7, 2024 - View Document
DRS Feb. 7, 2024 - View Document