MESA LABORATORIES INC /CO/ — Director's Dealing 2014

Feb 26, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MESA LABORATORIES INC /CO (MLAB)
CIK: 0000724004
Period of Report: 2014-02-25

Reporting Person: Sullivan John James (President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-02-25	Common Stock	M	12000	$15.44	Acquired	42997	Direct
2014-02-25	Common Stock	S	10000	$87.01	Disposed	32997	Direct
2014-02-25	Common Stock	M	2925	$25.56	Acquired	35922	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-02-25	Non-Qualified Stock Option	$15.44	X	12000	Disposed	2016-03-20	Common Stock (12000)	Direct
2014-02-25	Incentive Stock Option	$25.56	X	2925	Disposed	2015-04-01	Common Stock (2925)	Direct

Footnotes

F1: 3000 shares exercisable on 3/20/2011, 6000 shares exercisable on 3/20/2012, 3000 shares exercisable on 3/20/2013

F2: 25% exercisable on each anniversary date of grant