ONESTREAM INC

Ticker: OS CUSIP: 68278B107 Class: CL A

Portside Wealth Group, LLC's Holding History (CIK: 0001978608)

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

Q4 2025

Shares 15,160 Value ($000) $279 Avg Close $19.07 Range $16.51 - $23.93

Q3 2025

Shares 25,876 Value ($000) $477 Avg Close $21.95 Range $18.15 - $27.21

Q2 2025

Shares 31,243 Value ($000) $884 Avg Close $24.90 Range $16.69 - $29.66

Q1 2025

Shares 20,191 Value ($000) $431 Avg Close $25.65 Range $20.00 - $30.93

Q4 2024

Shares 14,819 Value ($000) $423 Avg Close $30.68 Range $27.85 - $35.39

Q3 2024

Shares 17,479 Value ($000) $593 Avg Close $29.47 Range $24.50 - $35.17

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	15,160	$279	$19.07	$16.51 - $23.93
Q3 2025	25,876	$477	$21.95	$18.15 - $27.21
Q2 2025	31,243	$884	$24.90	$16.69 - $29.66
Q1 2025	20,191	$431	$25.65	$20.00 - $30.93
Q4 2024	14,819	$423	$30.68	$27.85 - $35.39
Q3 2024	17,479	$593	$29.47	$24.50 - $35.17