MESA LABORATORIES INC /CO 4

4 · MESA LABORATORIES INC /CO · Filed Apr 28, 2015

Form 4

Period: 2015-04-27

DirectorCEO, Chairman, Treasurer

Transactions

Tax Payment
Common Stock
2015-04-27$84.46/sh−448$37,838→ 176,100 total
Exercise of In-Money
Non Qualified Stock Option
2015-04-27−750→ 2,570 total
Exercise: $50.50From: 2014-04-01Exp: 2022-04-02→ Common Stock (750 underlying)
Exercise/Conversion
Common Stock
2015-04-27$25.56/sh+2,000$51,120→ 175,749 total
Tax Payment
Common Stock
2015-04-27$84.46/sh−605$51,098→ 175,144 total
Exercise/Conversion
Common Stock
2015-04-27$50.50/sh+750$37,875→ 176,548 total
Tax Payment
Common Stock
2015-04-27$84.46/sh−307$25,929→ 176,293 total
Exercise/Conversion
Common Stock
2015-04-27$20.20/sh+1,000$20,200→ 176,144 total
Tax Payment
Common Stock
2015-04-27$84.46/sh−346$29,223→ 175,798 total
Exercise of In-Money
Non Qualified Stock Option
2015-04-27−500→ 2,070 total
Exercise: $51.85From: 2014-04-01Exp: 2023-04-01→ Common Stock (500 underlying)
Exercise/Conversion
Common Stock
2015-04-27$51.85/sh+500$25,925→ 176,600 total
Exercise of In-Money
Non Qualified Stock Option
2015-04-27−2,000→ 4,320 total
Exercise: $25.56From: 2011-04-01Exp: 2020-04-01→ Common Stock (2,000 underlying)
Exercise of In-Money
Non Qualified Stock Option
2015-04-27−1,000→ 3,320 total
Exercise: $29.20From: 2012-04-06Exp: 2021-04-06→ Common Stock (1,000 underlying)

Footnotes (4)

[F1]25% exercisable on each anniversary date following the 04/01/2010 grant date.
[F2]25% exercisable on each anniversary date following the 04/06/2011 grant date.
[F3]25% exercisable on each anniversary date following the 04/02/2012 grant date.
[F4]25% exercisable on each anniversary date following the 04/01/2013 grant date.

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