Historical shareholding details of Portolan Capital Management, LLC holdings in Custom Truck One Source Inc (CTOS)

Monthly changes of Portolan Capital Management, LLC shareholding in Custom Truck One Source Inc over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Dec 31, 2024	Portolan Capital Management, Llc	1,451,573	0.64%

Sep 30, 2024	Portolan Capital Management, Llc	574,300	0.25%

Jun 30, 2024	Portolan Capital Management, Llc	1,186,380	0.51%

Mar 31, 2024	Portolan Capital Management, Llc	1,244,282	0.53%
Mar 31, 2024	Portolan Capital Management, Llc	1,041,914	0.43%

Feb 29, 2024	Portolan Capital Management, Llc	1,041,914	0.43%

Jan 31, 2024	Portolan Capital Management, Llc	1,041,914	0.43%

Dec 31, 2023	Portolan Capital Management, Llc	1,042,255	0.43%
Dec 31, 2023	Portolan Capital Management, Llc	1,041,914	0.43%

Nov 30, 2023	Portolan Capital Management, Llc	1,041,914	0.43%

Oct 31, 2023	Portolan Capital Management, Llc	1,041,914	0.42%

Sep 30, 2023	Portolan Capital Management, Llc	977,050	0.40%
Sep 30, 2023	Portolan Capital Management, Llc	1,041,914	0.42%

Aug 31, 2023	Portolan Capital Management, Llc	1,041,914	0.42%

Jul 31, 2023	Portolan Capital Management, Llc	1,041,914	0.42%

Jun 30, 2023	Portolan Capital Management, Llc	861,933	0.35%
Jun 30, 2023	Portolan Capital Management, Llc	1,041,914	0.42%

May 31, 2023	Portolan Capital Management, Llc	1,041,914	0.42%

Mar 31, 2023	Portolan Capital Management, Llc	1,010,185	0.41%