OLD SECOND BANCORP INC — Director's Dealing 2017

Sep 21, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OLD SECOND BANCORP INC (OSBC)
CIK: 0000357173
Period of Report: 2017-09-20

Reporting Person: Ladowicz John (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-09-20	Old Second Bancorp, Inc. Common Stock	S	1000	$12.1075	Disposed	248177	Indirect
2017-09-20	Old Second Bancorp, Inc. Common Stock	S	1000	$12.1025	Disposed	249177	Indirect
2017-09-20	Old Second Bancorp, Inc. Common Stock	S	1000	$12.105	Disposed	250177	Indirect
2017-09-20	Old Second Bancorp, Inc. Common Stock	S	1000	$12.155	Disposed	251177	Indirect
2017-09-20	Old Second Bancorp, Inc. Common Stock	S	4450	$12.1	Disposed	252177	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Old Second Bancorp, Inc. Common Stock	9750	Indirect
Old Second Bancorp, Inc. Common Stock	12146	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Employee Stock Option Right to Buy	$7.49	2019-02-17	Common Stock (1500)	1500	Direct

Footnotes

F1: Included in this total are 233,750 shares held by Mr. Ladowicz in a ROTH IRA account and 14,427 shares held in Trust in an IRA account.

F2: Included in this total are 4,646 shares in Mr. Ladowicz' name outright and 7,500 shares of restricted stock units in Mr. Ladowicz' name.