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$MLAB·4

MESA LABORATORIES INC /CO · Jun 6, 1:39 PM ET

MESA LABORATORIES INC /CO 4

4 · MESA LABORATORIES INC /CO · Filed Jun 6, 2016

Insider Transaction Report

Form 4

Period: 2016-06-02

MESA LABORATORIES INC /COMLAB

CAMPBELL H STUART

Director

Transactions

Exercise of In-Money
Non Qualified Stock Option
2016-06-02−188→ 3,343 total
Exercise: $70.56From: 2016-04-01Exp: 2023-04-01→ Common Stock (188 underlying)
Exercise of In-Money
Non Qualified Stock Option
2016-06-02−171→ 3,531 total
Exercise: $89.70From: 2015-04-01Exp: 2022-04-01→ Common Stock (171 underlying)
Exercise of In-Money
Non Qualified Stock Option
2016-06-02−250→ 3,952 total
Exercise: $50.50From: 2013-04-02Exp: 2022-04-02→ Common Stock (250 underlying)
Exercise/Conversion
Common Stock
2016-06-02$50.50/sh+250$12,625→ 70,321 total
Exercise/Conversion
Common Stock
2016-06-02$70.56/sh+188$13,265→ 70,930 total
Exercise/Conversion
Common Stock
2016-06-02$89.70/sh+171$15,339→ 70,742 total

Footnotes (2)

[F1]1/4 exercisable on each of the first 4 anniversary dates
[F2]1/7 exercisable on each of the first 7 anniversary dates

Documents

1 file

4
primary_doc.xmlPrimary
PRIMARY DOCUMENT