Fredrick M. Jr. Ross

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
31 Dec 24	CTOS Custom Truck One Source	Common Stock	Payment of exercise	Dispose F	No	No	4.81	28,526	137.21 k	282,575
31 Dec 24	CTOS Custom Truck One Source	Common Stock	Option exercise	Acquire M	No	No	0	31,588	0.00	311,101
31 Dec 24	CTOS Custom Truck One Source	Performance Stock Unit Common Stock	Option exercise	Dispose M	No	No	0	15,794	0.00	122,806
31 Dec 24	CTOS Custom Truck One Source	Performance Stock Unit Common Stock	Option exercise	Dispose M	No	No	0	15,794	0.00	122,806
1 Apr 24	CTOS Custom Truck One Source	Common Stock	Payment of exercise	Dispose F	No	No	5.88	77,264	454.31 k	279,513
1 Apr 24	CTOS Custom Truck One Source	Common Stock	Option exercise	Acquire M	No	No	0	175,000	0.00	356,777
1 Apr 24	CTOS Custom Truck One Source	RSU Common Stock	Option exercise	Dispose M	No	No	0	87,500	0.00	262,500
1 Apr 24	CTOS Custom Truck One Source	RSU Common Stock	Option exercise	Dispose M	No	No	0	87,500	0.00	87,500
27 Feb 24	CTOS Custom Truck One Source	Common Stock	Grant	Acquire A	No	No	0	31,588	0.00	181,777
31 Dec 23	CTOS Custom Truck One Source	Common Stock	Payment of exercise	Dispose F	No	No	6.18	12,911	79.79 k	150,189

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