OLD SECOND BANCORP INC — Director's Dealing 2017

Feb 22, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OLD SECOND BANCORP INC (OSBC)
CIK: 0000357173
Period of Report: 2017-02-21

Reporting Person: Ladowicz John (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-02-21	Old Second Bancorp, Inc. Common Stock	A	2500	—	Acquired	12146	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Old Second Bancorp, Inc. Common Stock	13900	Indirect
Old Second Bancorp, Inc. Common Stock	290908	Indirect

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 268,181 shares held by Mr. Ladowicz in a ROTH IRA account and 22,727 shares held in Trust in an IRA account.

F2: Included in this total are 2,146 shares in Mr. Ladowicz' name outright and 10,000 shares of restricted stock units in Mr. Ladowicz' name.

F3: These shares represent Restricted Stock Units granted in 2017 under Old Second's Equity Award Program. These shares have a 3-year cliff vesting.