Form 4 for OSBC OLD SECOND BANCORP INC

Accepted 2021-12-02 00:00:00 ET · period of report 2021-12-01 · accession 0001415889-21-005630 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
I	2021-12-02	2021-12-01	OSBC	COLLINS GARY S	VICE COB, Dir	A - Grant	—	+2,120	76.8K	+3%	—

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Old Second Bancorp, Inc. Common Stock	2021-12-01	A	A	2,120	—	76,768	I By IRA	—	—	(F1) Received in exchange for 50 shares of West Suburban Bancorp, Inc. ("West Suburban") common stock in connection with the merger (the "Merger") of West Suburban with and into Old Second Bancorp, Inc. ("Old Second"). The exchange ratio in the Merger was 42.413 Old Second shares and $271.15 in cash for each share of West Suburban common stock, plus cash in lieu of fractional shares. The closing price per share of West Suburban common stock on the OTC Pink Open Market on the day immediately preceding the effective date of the Merger (the last closing price available) was $801.00 per share, and the closing price per share of Old Second common stock on the effective date of the Merger was $12.35 per share.