Historical shareholding details of Arrowstreet Capital Limited Partnership holdings in Old Second Bancorporation Inc. (OSBC)

Monthly changes of Arrowstreet Capital Limited Partnership shareholding in Old Second Bancorporation Inc. over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Dec 31, 2024	Arrowstreet Capital Limited Partnership	168,934	0.38%

Sep 30, 2024	Arrowstreet Capital Limited Partnership	128,392	0.29%

Jun 30, 2024	Arrowstreet Capital Limited Partnership	40,913	0.09%

Dec 31, 2023	Arrowstreet Capital Limited Partnership	0	0.00%

Sep 30, 2023	Arrowstreet Capital Limited Partnership	53,168	0.12%

Jun 30, 2023	Arrowstreet Capital Limited Partnership	0	0.00%

Mar 31, 2023	Arrowstreet Capital Limited Partnership	34,519	0.08%