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: SKOGLUND WILLIAM B (Director, CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-02-22	Old Second Bancorp, Inc. Common Stock	S	999	$10.80	Disposed	66487	Direct
2017-02-22	Old Second Bancorp, Inc. Common Stock	S	1	$10.90	Disposed	67486	Direct
2017-02-21	Old Second Bancorp, Inc. Common Stock	S	6900	$10.85	Disposed	67487	Direct
2017-02-21	Old Second Bancorp, Inc. Common Stock	S	100	$10.90	Disposed	74387	Direct
2017-02-21	Old Second Bancorp, Inc. Common Stock	A	5000	—	Acquired	74487	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Old Second Bancorp Inc. Common Stock	14206	Indirect
Old Second Bancorp Inc. Common Stock	47038	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Employee Stock Option	$27.75	2017-12-18	Common Stock (40000)	40000	Direct

Footnotes

F1: Included in this total are 532 shares in Mr. Skoglund's name alone; 12,500 shares of restricted stock units and 53,455 shares held by William Skoglund as Trustee of the William Skoglund Trust in a brokerage account.

F2: These shares represent Restricted Stock Units granted in 2017 under Old Second's Equity Award Program. These shares have a 3-year cliff vesting.