Boardroom Alpha
10-K primary document
OSBC · Annual Report (Form 10-K) · Filed February 26, 2026

Old Second Bancorp Inc10-K exhibit

osbc-20251231xex21d1.htm

Exhibit 21.1

LIST OF SUBSIDIARIES

Subsidiaries of the Company

Incorporated Under Laws of

Percent Owned by the Company

Old Second National Bank

United States

100% of the common stock

Old Second Capital Trust II

State of Delaware

100% of the common stock

Old Second Affordable Housing Fund, L.L.C.

State of Illinois

Owned by Old Second National Bank

Station I, LLC

State of Illinois

Owned by Old Second National Bank

Station II, LLC

State of Illinois

Owned by Old Second National Bank

Station III, LLC

State of Illinois

Owned by Old Second National Bank

River Street Advisors, LLC

State of Illinois

Owned by Old Second National Bank


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