Historical shareholding details of Nuveen Asset Management, LLC holdings in Old Second Bancorporation Inc. (OSBC)

Monthly changes of Nuveen Asset Management, LLC 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, 2025	Nuveen Asset Management, Llc	250,590	0.48%

Nov 30, 2025	Nuveen Asset Management, Llc	250,590	0.48%

Oct 31, 2025	Nuveen Asset Management, Llc	250,590	0.48%

Sep 30, 2025	Nuveen Asset Management, Llc	250,590	0.48%

Aug 31, 2025	Nuveen Asset Management, Llc	228,031	0.51%

Jul 31, 2025	Nuveen Asset Management, Llc	228,031	0.51%

Jun 30, 2025	Nuveen Asset Management, Llc	169,162	0.38%

May 31, 2025	Nuveen Asset Management, Llc	168,474	0.37%

Apr 30, 2025	Nuveen Asset Management, Llc	168,474	0.37%

Mar 31, 2025	Nuveen Asset Management, Llc	168,474	0.37%

Feb 28, 2025	Nuveen Asset Management, Llc	124,025	0.28%

Jan 31, 2025	Nuveen Asset Management, Llc	124,025	0.28%

Dec 31, 2024	Nuveen Asset Management, Llc	281,572	0.62%
Dec 31, 2024	Nuveen Asset Management, Llc	124,025	0.28%

Sep 30, 2024	Nuveen Asset Management, Llc	97,703	0.22%

Jun 30, 2024	Nuveen Asset Management, Llc	97,703	0.22%

Mar 31, 2024	Nuveen Asset Management, Llc	90,983	0.20%

Dec 31, 2023	Nuveen Asset Management, Llc	98,247	0.22%

Sep 30, 2023	Nuveen Asset Management, Llc	124,334	0.28%

Jun 30, 2023	Nuveen Asset Management, Llc	202,396	0.45%

Mar 31, 2023	Nuveen Asset Management, Llc	253,026	0.57%

Dec 31, 2022	Nuveen Asset Management, Llc	202,875	0.45%