Michael Burkland

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
3 Dec 24	FIVN Five9	Common Stock	Sell	Dispose S	No	No	41.4	12,594	521.39 k	240,894
27 Nov 24	OS OneStream, Inc. Class A Common Stock	Class A Common Stock	Sell	Dispose S	Yes	No	31	9,541	295.77 k	0
25 Nov 24	OS OneStream, Inc. Class A Common Stock	Class A Common Stock	Conversion	Acquire C	Yes	No	0	9,541	0.00	9,541
25 Nov 24	OS OneStream, Inc. Class A Common Stock	Class D Common Stock Class A Common Stock	Conversion	Dispose C	Yes	No	0	9,541	0.00	0
25 Nov 24	OS OneStream, Inc. Class A Common Stock	Class D Common Stock Class A Common Stock	Conversion	Acquire C	Yes	No	0	9,541	0.00	9,541
25 Nov 24	OS OneStream, Inc. Class A Common Stock	Common Units Class D Common Stock	Conversion	Dispose C	Yes	No	0	9,541	0.00	486,057
18 Nov 24	OS OneStream, Inc. Class A Common Stock	Class A Common Stock	Sell	Dispose S	Yes	No	31	63,608	1.97 mm	0
14 Nov 24	OS OneStream, Inc. Class A Common Stock	Class A Common Stock	Conversion	Acquire C	Yes	No	0	63,608	0.00	63,608
14 Nov 24	OS OneStream, Inc. Class A Common Stock	Class D Common Stock Class A Common Stock	Conversion	Dispose C	Yes	No	0	63,608	0.00	0
14 Nov 24	OS OneStream, Inc. Class A Common Stock	Class D Common Stock Class A Common Stock	Conversion	Acquire C	Yes	No	0	63,608	0.00	63,608

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.