Historical shareholding details of Portolan Capital Management, LLC holdings in Overseas Shipholding Group, Inc. - Ordinary Shares - Class A (OSG)

Monthly changes of Portolan Capital Management, LLC shareholding in Overseas Shipholding Group, Inc. - Ordinary Shares - Class A over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Mar 31, 2024	Portolan Capital Management, Llc	771,227	1.07%
Mar 31, 2024	Portolan Capital Management, Llc	843,363	1.19%

Feb 29, 2024	Portolan Capital Management, Llc	843,363	1.19%

Jan 31, 2024	Portolan Capital Management, Llc	843,363	1.19%

Dec 31, 2023	Portolan Capital Management, Llc	706,457	1.00%
Dec 31, 2023	Portolan Capital Management, Llc	843,363	1.19%

Nov 30, 2023	Portolan Capital Management, Llc	843,363	1.19%

Oct 31, 2023	Portolan Capital Management, Llc	843,363	1.10%

Sep 30, 2023	Portolan Capital Management, Llc	800,039	1.13%
Sep 30, 2023	Portolan Capital Management, Llc	843,363	1.10%

Aug 31, 2023	Portolan Capital Management, Llc	843,363	1.10%

Jul 31, 2023	Portolan Capital Management, Llc	843,363	1.08%

Jun 30, 2023	Portolan Capital Management, Llc	774,510	1.01%
Jun 30, 2023	Portolan Capital Management, Llc	843,363	1.08%

May 31, 2023	Portolan Capital Management, Llc	843,363	1.08%

Mar 31, 2023	Portolan Capital Management, Llc	1,369,748	1.75%