Onestream, Inc. - OS

Include option trades

Include indirect trades

Latest data: 1/29/2026 10:05:26 PM

EDGAR CIK

1 Month 3 Month 6 Month 1 Year 2 Years

Buy Breakdown

Total $0

No buy transactions for this time period.

Sell Breakdown

Total $2,205,658

Monthly Totals

Transaction	Filed	Name	Type	Shares @ Price	Value	Balance change		Ownership
01/08/2026 10b5-1	01/09/2026	Mcintyre Pamela Chief Accounting Officer Officer	Sell	-6,505 @ $23.58	($153,387.90)	58,847	(-9.95%)	Direct
01/06/2026 10b5-1	01/08/2026	Mariner Jonathan D Director	Sell	-7,956 @ $23.31	($185,436.09)	7,130	(-52.74%)	Direct
12/15/2025 10b5-1	12/16/2025	Koefoed William A Chief Financial Officer CFO	Sell	-9,571 @ $17.73	($169,693.83)	206,127	(-4.44%)	Direct
12/02/2025 10b5-1	12/04/2025	Mariner Jonathan D Director	Sell	-18,423 @ $20.90	($385,040.70)	15,086	(-54.98%)	Direct
09/15/2025 10b5-1	09/16/2025	Koefoed William A Chief Financial Officer CFO	Sell	-8,943 @ $19.03	($170,185.29)	221,983	(-3.87%)	Direct
09/03/2025 10b5-1	09/04/2025	Mariner Jonathan D Director	Sell	-141 @ $20.07	($2,829.87)	33,509	(-0.42%)	Direct
08/04/2025 10b5-1	08/06/2025	Mariner Jonathan D Director	Sell	-6,630 @ $23.53	($156,003.90)	33,650	(-16.46%)	Direct
07/07/2025 10b5-1	07/09/2025	Mariner Jonathan D Director	Sell	-6,630 @ $26.59	($176,291.70)	40,280	(-14.13%)	Direct
06/16/2025 10b5-1	06/18/2025	Koefoed William A Chief Financial Officer CFO	Sell	-9,354 @ $27.90	($260,976.60)	237,839	(-3.78%)	Direct
06/11/2025	06/12/2025	Hohenstein Ken Chief Revenue Officer Officer	Sell	-6,280 @ $28.23	($177,284.40)	1,003,163	(-0.62%)	Direct
06/11/2025	06/12/2025	Koefoed William A Chief Financial Officer CFO	Sell	-6,501 @ $28.23	($183,523.23)	247,193	(-2.56%)	Direct
06/02/2025 10b5-1	06/04/2025	Mariner Jonathan D Director	Sell	-6,631 @ $27.90	($185,004.90)	46,910	(-12.38%)	Direct