STERLING INFRASTRUCTURE, INC. - Director's Dealing 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: STERLING CONSTRUCTION CO INC (STRL)
CIK: 0000874238
Period of Report: 2012-06-28

Reporting Person: HARPER JOSEPH P SR (Director, President & COO)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-06-28	Common Stock	M	3500	$1.725	Acquired	431248	Direct
2012-06-28	Common Stock	M	3500	$3.05	Acquired	434748	Direct
2012-06-28	Common Stock	M	3500	$3.10	Acquired	438248	Direct

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-06-28	Employee Stock Option (right to buy)	$1.725	M	3500	Disposed	2012-07-24	Common Stock (3500)	Direct
2012-06-28	Employee Stock Option (right to buy)	$3.05	M	3500	Disposed	2013-08-20	Common Stock (3500)	Direct
2012-06-28	Employee Stock Option (right to buy)	$3.10	M	3500	Disposed	2014-08-12	Common Stock (3500)	Direct

F1: This option became exercisable in three equal annual installments commencing July 24, 2003.

F2: This option became exercisable in three equal annual installments commencing August 20, 2004.

F3: This option became exercisable in three equal annual installments commencing August 12, 2005.