ONESTREAM INC

Ticker: OS CUSIP: 68278B107 Class: CL A

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 29,058 Value ($000) $534 Avg Close $19.07 Range $16.51 - $23.93

Q3 2025

Shares 38,590 Value ($000) $1 Avg Close $21.95 Range $18.15 - $27.21

Q1 2025

Shares 2,493 Value ($000) $0 Avg Close $25.65 Range $20.00 - $30.93

Q3 2024

Shares 329 Value ($000) $0 Avg Close $29.47 Range $24.50 - $35.17

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	29,058	$534	$19.07	$16.51 - $23.93
Q3 2025	38,590	$1	$21.95	$18.15 - $27.21
Q1 2025	2,493	$0	$25.65	$20.00 - $30.93
Q3 2024	329	$0	$29.47	$24.50 - $35.17