PRE 14A

Proxy Statement (Preliminary)

OLD SECOND BANCORP INC Filed 2016-03-21 Acc 0001047469-16-011399

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PRE 14A Proxy Statement (Preliminary) , a2227908zpre14a.htm

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2019-03-21 PRE 14A Proxy Statement (Preliminary)
2016-03-21 PRE 14A Proxy Statement (Preliminary)
2013-03-25 PRE 14A Proxy Statement (Preliminary)

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