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OS

OneStream, Inc.

Company with tickers: OS

CIK
1889956
CUSIP
68278B107
Shares Outstanding
99,803,647
13F Activity (30d)
101 filings 99 filers

Notices of intent to sell restricted or control shares, filed with the SEC on Form 144 by insiders and affiliates. A Form 144 signals a planned sale — it does not confirm the shares were actually sold.

Filed Seller Shares
2026-03-17 Hohenstein Ken 10,000
2026-03-16 Hohenstein Ken 49,204
2026-03-11 Leshinski Scott 7,412
2026-02-17 Hohenstein Ken 60,000
2026-01-16 Hohenstein Ken 120,000
2025-12-16 Hohenstein Ken 40,000
2025-12-15 Koefoed William A 9,571
2025-11-17 Hohenstein Ken 40,000
2025-10-16 Hohenstein Ken 40,000
2025-09-19 Kinzer John 30,000
2025-09-16 Hohenstein Ken 40,000
2025-09-15 Koefoed William A 8,943
2025-08-18 Hohenstein Ken 20,000
2025-07-25 Koefoed William A 25,000
2025-07-18 Hohenstein Ken 20,000
2025-06-25 Koefoed William A 25,000
2025-06-20 Kinzer John 30,000
2025-06-18 Hohenstein Ken 20,000
2025-06-16 Koefoed William A 9,354
2025-06-11 Powers Robert Allan Jr. 634
2025-06-11 Shea Thomas Anthony 9,913
2025-06-11 Hohenstein Ken 6,280
2025-06-11 Koefoed William A 6,501
2025-06-11 Colby Craig 6,279
2025-05-27 Koefoed William A 25,000
2025-05-19 Hohenstein Ken 20,000
2025-05-09 Colby Craig 280,000
2025-04-09 Kinzer John 40,000
2025-02-18 Koefoed William A 10,000
2025-01-15 Koefoed William A 10,000
2024-12-13 Koefoed William A 13,765
2024-12-13 Colby Craig 280,000
Showing 1–32 of 32 filings