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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview

Overview of all insider trading transactions in MESA LABORATORIES INC /CO/. Get notifications about new insider transactions in MESA LABORATORIES INC /CO/ for free.

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Apr 04 2017	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Option Exercise	A	122.66	830	101,808	8,870
Apr 04 2017	MLAB	MESA LABORATORIES ...	Dwyer Robert V	Director	Option Exercise	A	122.66	830	101,808	5,970
Apr 04 2017	MLAB	MESA LABORATORIES ...	Sullivan John James	CEO	Option Exercise	A	122.66	15,000	1,839,900	91,600
Apr 04 2017	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Option Exercise	A	122.66	830	101,808	4,173
Apr 04 2017	MLAB	MESA LABORATORIES ...	BROOKS MICHAEL T	Director	Option Exercise	A	122.66	830	101,808	13,670
Mar 21 2017	MLAB	MESA LABORATORIES ...	BROOKS MICHAEL T	Director	Sell	S	122.94	2,000	245,880	28,900	30.9 K to 28.9 K (-6.47 %)
Feb 23 2017	MLAB	MESA LABORATORIES ...	Dwyer Robert V	Director	Sell	S	125.14	3,300	412,962	84,671	88 K to 84.7 K (-3.75 %)
Feb 23 2017	MLAB	MESA LABORATORIES ...	Dwyer Robert V	Director	Sell	S	125.12	1,700	212,704	87,971	89.7 K to 88 K (-1.90 %)
Feb 21 2017	MLAB	MESA LABORATORIES ...	Sullivan John James	President and CEO	Option Exercise	X	16.60	2,000	33,200	76,600
Feb 21 2017	MLAB	MESA LABORATORIES ...	Sullivan John James	President and CEO	Option Exercise	X	18.98	4,918	93,344	78,600
Feb 21 2017	MLAB	MESA LABORATORIES ...	Sullivan John James	President and CEO	Option Exercise	X	18.98	2,160	40,997	83,518
Feb 21 2017	MLAB	MESA LABORATORIES ...	Sullivan John James	President and CEO	Sell	S	125.21	6,918	866,203	62,118	69 K to 62.1 K (-10.02 %)
Feb 21 2017	MLAB	MESA LABORATORIES ...	Sullivan John James	President and CEO	Sell	S	123.60	2,160	266,976	69,036	71.2 K to 69 K (-3.03 %)
Feb 21 2017	MLAB	MESA LABORATORIES ...	Sullivan John James	President and CEO	Buy	M	16.60	2,000	33,200	71,196	69.2 K to 71.2 K (+2.89 %)
Feb 21 2017	MLAB	MESA LABORATORIES ...	Sullivan John James	President and CEO	Buy	M	18.98	4,918	93,344	69,196	64.3 K to 69.2 K (+7.65 %)
Feb 21 2017	MLAB	MESA LABORATORIES ...	Sullivan John James	President and CEO	Buy	M	18.98	2,160	40,997	64,278	62.1 K to 64.3 K (+3.48 %)
Feb 15 2017	MLAB	MESA LABORATORIES ...	Sullivan John James	President and CEO	Option Exercise	X	18.98	5,922	112,400	85,678
Feb 15 2017	MLAB	MESA LABORATORIES ...	Sullivan John James	President and CEO	Sell	S	123.99	5,922	734,269	62,118	68 K to 62.1 K (-8.70 %)
Feb 15 2017	MLAB	MESA LABORATORIES ...	Sullivan John James	President and CEO	Buy	M	18.98	5,922	112,400	68,040	62.1 K to 68 K (+9.53 %)
Feb 08 2017	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Sell	S	121.55	8,000	972,400	55,930	63.9 K to 55.9 K (-12.51 %)
Feb 08 2017	MLAB	MESA LABORATORIES ...	Schmieder John Bradley	Director	Sell	S	122.90	2,000	245,800	80,869	82.9 K to 80.9 K (-2.41 %)
Feb 07 2017	MLAB	MESA LABORATORIES ...	Adriance Glenn E	CSMO	Option Exercise	X	70.56	199	14,041	20,638
Feb 07 2017	MLAB	MESA LABORATORIES ...	Adriance Glenn E	CSMO	Option Exercise	X	70.56	871	61,458	20,837
Feb 07 2017	MLAB	MESA LABORATORIES ...	Adriance Glenn E	CSMO	Sell	S	123.12	2,625	323,190	7,100	9.7 K to 7.1 K (-26.99 %)
Feb 07 2017	MLAB	MESA LABORATORIES ...	Adriance Glenn E	CSMO	Sell	S	125.38	4,375	548,538	9,725	14.1 K to 9.7 K (-31.03 %)
Feb 07 2017	MLAB	MESA LABORATORIES ...	Adriance Glenn E	CSMO	Sell	S	121.65	1,070	130,166	14,100	15.2 K to 14.1 K (-7.05 %)
Feb 07 2017	MLAB	MESA LABORATORIES ...	Adriance Glenn E	CSMO	Buy	M	70.56	1,070	75,499	15,170	14.1 K to 15.2 K (+7.59 %)
Dec 27 2016	MLAB	MESA LABORATORIES ...	Dwyer Robert V	Director	Sell	S	134.00	1,000	134,000	89,671	90.7 K to 89.7 K (-1.10 %)
Dec 27 2016	MLAB	MESA LABORATORIES ...	Dwyer Robert V	Director	Sell	S	132.13	1,002	132,394	90,671	91.7 K to 90.7 K (-1.09 %)
Nov 28 2016	MLAB	MESA LABORATORIES ...	Adriance Glenn E	CMSO	Option Exercise	X	89.70	314	28,166	21,708
Nov 28 2016	MLAB	MESA LABORATORIES ...	Adriance Glenn E	CMSO	Option Exercise	X	89.70	1,828	163,972	22,022
Nov 28 2016	MLAB	MESA LABORATORIES ...	Adriance Glenn E	CMSO	Option Exercise	X	51.85	1,425	73,886	23,850
Nov 28 2016	MLAB	MESA LABORATORIES ...	Adriance Glenn E	CMSO	Sell	S	135.93	3,567	484,862	14,100	17.7 K to 14.1 K (-20.19 %)
Nov 28 2016	MLAB	MESA LABORATORIES ...	Adriance Glenn E	CMSO	Buy	M	89.70	2,142	192,137	17,667	15.5 K to 17.7 K (+13.80 %)
Nov 28 2016	MLAB	MESA LABORATORIES ...	Adriance Glenn E	CMSO	Buy	M	51.85	1,425	73,886	15,525	14.1 K to 15.5 K (+10.11 %)
Nov 17 2016	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Option Exercise	X	48.72	1,000	48,720	32,700
Nov 17 2016	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Sell	S	131.16	221	28,986	1,000	1.2 K to 1,000 (-18.10 %)
Nov 17 2016	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Sell	S	126.00	779	98,154	1,221	2 K to 1.2 K (-38.95 %)
Nov 17 2016	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Buy	M	48.72	1,000	48,720	2,000	1,000 to 2 K (+100.00 %)
Oct 25 2016	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Sell	S	119.02	4,000	476,080	63,930	67.9 K to 63.9 K (-5.89 %)
Oct 12 2016	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Sell	S	115.03	3,000	345,090	67,930	70.9 K to 67.9 K (-4.23 %)
Jun 23 2016	MLAB	MESA LABORATORIES ...	Sullivan John James	President and CEO	Option Exercise	X	18.98	5,000	94,900	91,600
Jun 23 2016	MLAB	MESA LABORATORIES ...	Sullivan John James	President and CEO	Sell	S	121.63	4,000	486,520	62,118	66.1 K to 62.1 K (-6.05 %)
Jun 23 2016	MLAB	MESA LABORATORIES ...	Sullivan John James	President and CEO	Buy	M	18.98	5,000	94,900	66,118	61.1 K to 66.1 K (+8.18 %)
Jun 13 2016	MLAB	MESA LABORATORIES ...	Dwyer Robert V	Director	Gift	G	0.00	300	0	91,673	92 K to 91.7 K (-0.33 %)
Jun 08 2016	MLAB	MESA LABORATORIES ...	Adriance Glenn E	CSMO	Sell	S	111.74	3,000	335,220	14,100	17.1 K to 14.1 K (-17.54 %)
Jun 06 2016	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Option Exercise	X	70.56	188	13,265	3,343
Jun 06 2016	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Option Exercise	X	89.70	171	15,339	3,531
Jun 06 2016	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Option Exercise	X	51.85	250	12,963	3,702
Jun 06 2016	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Option Exercise	X	50.50	250	12,625	3,952
Jun 06 2016	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Buy	M	70.56	188	13,265	70,930	70.7 K to 70.9 K (+0.27 %)
Jun 06 2016	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Buy	M	89.70	171	15,339	70,742	70.6 K to 70.7 K (+0.24 %)
Jun 06 2016	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Buy	M	51.85	250	12,963	70,571	70.3 K to 70.6 K (+0.36 %)
Jun 06 2016	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Buy	M	50.50	250	12,625	70,321	70.1 K to 70.3 K (+0.36 %)
May 31 2016	MLAB	MESA LABORATORIES ...	Sullivan John James	President and CEO	Gift	G	0.00	275	0	61,118	61.4 K to 61.1 K (-0.45 %)
May 04 2016	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Option Exercise	A	97.78	4,600	449,788	33,700
May 03 2016	MLAB	MESA LABORATORIES ...	Schmieder John Bradley	Director	Option Exercise	A	97.78	1,000	97,780	3,000
May 03 2016	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Option Exercise	A	97.78	1,000	97,780	8,040
May 03 2016	MLAB	MESA LABORATORIES ...	GUILLEMIN EVAN	Director	Option Exercise	A	97.78	1,000	97,780	11,640
May 03 2016	MLAB	MESA LABORATORIES ...	Dwyer Robert V	Director	Option Exercise	A	97.78	1,000	97,780	5,140
May 03 2016	MLAB	MESA LABORATORIES ...	Sullivan John James	President and CEO	Option Exercise	A	97.78	9,200	899,576	96,600
May 03 2016	MLAB	MESA LABORATORIES ...	BROOKS MICHAEL T	Director	Option Exercise	A	97.78	1,000	97,780	12,840
May 03 2016	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Option Exercise	A	97.78	1,000	97,780	4,202
May 03 2016	MLAB	MESA LABORATORIES ...	Adriance Glenn E	Chief Sales&Marketi ...	Option Exercise	A	97.78	4,600	449,788	31,900
Mar 11 2016	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Sell	S	86.45	3,816	329,893	70,071	73.9 K to 70.1 K (-5.16 %)
Mar 11 2016	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Sell	S	86.09	2,184	188,021	73,887	76.1 K to 73.9 K (-2.87 %)
Mar 09 2016	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Sell	S	90.00	280	25,200	76,071	76.4 K to 76.1 K (-0.37 %)
Mar 04 2016	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Buy	S	90.84	1,903	172,869	76,351	74.4 K to 76.4 K (+2.56 %)
Feb 25 2016	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Sell	S	92.75	1,500	139,125	78,254	79.8 K to 78.3 K (-1.88 %)
Feb 25 2016	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Sell	S	100.00	12	1,200	79,754	79.8 K to 79.8 K (-0.02 %)
Feb 25 2016	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Sell	S	100.00	20	2,000	79,766	79.8 K to 79.8 K (-0.03 %)
Dec 16 2015	MLAB	MESA LABORATORIES ...	BROOKS MICHAEL T	Director	Option Exercise	X	18.98	2,000	37,960	11,840
Dec 16 2015	MLAB	MESA LABORATORIES ...	BROOKS MICHAEL T	Director	Buy	M	18.98	2,000	37,960	30,900	28.9 K to 30.9 K (+6.92 %)
Dec 08 2015	MLAB	MESA LABORATORIES ...	SAKYS JOHN V	CFO	Option Exercise	X	48.72	1,000	48,720	29,100
Dec 08 2015	MLAB	MESA LABORATORIES ...	SAKYS JOHN V	CFO	Buy	M	48.72	1,000	48,720	1,000	0 to 1,000
Nov 09 2015	MLAB	MESA LABORATORIES ...	Sullivan John James	President and CEO	Option Exercise	X	18.98	5,000	94,900	87,400
Nov 09 2015	MLAB	MESA LABORATORIES ...	Sullivan John James	President and CEO	Option Exercise	X	50.50	2,000	101,000	92,400
Nov 09 2015	MLAB	MESA LABORATORIES ...	Sullivan John James	President and CEO	Option Exercise	X	51.85	3,800	197,030	94,400
Nov 09 2015	MLAB	MESA LABORATORIES ...	Sullivan John James	President and CEO	Option Exercise	X	89.70	1,900	170,430	98,200
Nov 09 2015	MLAB	MESA LABORATORIES ...	Sullivan John James	President and CEO	Sell	S	112.99	2,400	271,176	61,393	63.8 K to 61.4 K (-3.76 %)
Nov 09 2015	MLAB	MESA LABORATORIES ...	Sullivan John James	President and CEO	Buy	M	18.98	5,000	94,900	63,793	58.8 K to 63.8 K (+8.50 %)
Nov 09 2015	MLAB	MESA LABORATORIES ...	Sullivan John James	President and CEO	Buy	M	50.50	2,000	101,000	58,793	56.8 K to 58.8 K (+3.52 %)
Nov 09 2015	MLAB	MESA LABORATORIES ...	Sullivan John James	President and CEO	Buy	M	51.85	3,800	197,030	56,793	53 K to 56.8 K (+7.17 %)
Nov 09 2015	MLAB	MESA LABORATORIES ...	Sullivan John James	President and CEO	Buy	M	89.70	1,900	170,430	52,993	51.1 K to 53 K (+3.72 %)
Oct 07 2015	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Option Exercise	X	58.51	17	995	3,202
Oct 07 2015	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Option Exercise	X	89.70	171	15,339	3,219
Oct 07 2015	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Option Exercise	X	51.85	250	12,963	3,390
Oct 07 2015	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Option Exercise	X	50.50	250	12,625	3,640
Oct 07 2015	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Option Exercise	X	29.20	250	7,300	3,890
Oct 07 2015	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Buy	M	58.51	17	995	79,786	79.8 K to 79.8 K (+0.02 %)
Oct 07 2015	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Buy	M	89.70	171	15,339	79,769	79.6 K to 79.8 K (+0.21 %)
Oct 07 2015	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Buy	M	51.85	250	12,963	79,598	79.3 K to 79.6 K (+0.32 %)
Oct 07 2015	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Buy	M	50.50	250	12,625	79,348	79.1 K to 79.3 K (+0.32 %)
Oct 07 2015	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Buy	M	29.20	250	7,300	79,098	78.8 K to 79.1 K (+0.32 %)
Sep 23 2015	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Buy	P	109.54	150	16,431	78,848	78.7 K to 78.8 K (+0.19 %)
Sep 17 2015	MLAB	MESA LABORATORIES ...	Dwyer Robert V	Director	Sell	S	113.00	2,000	226,000	92,373	94.4 K to 92.4 K (-2.12 %)
Sep 15 2015	MLAB	MESA LABORATORIES ...	Dwyer Robert V	Director	Sell	S	111.67	3,000	335,010	94,373	97.4 K to 94.4 K (-3.08 %)
Sep 14 2015	MLAB	MESA LABORATORIES ...	Dwyer Robert V	Director	Sell	S	110.00	1,000	110,000	97,373	98.4 K to 97.4 K (-1.02 %)
Sep 09 2015	MLAB	MESA LABORATORIES ...	Dwyer Robert V	Director	Sell	S	110.39	1,000	110,390	98,373	99.4 K to 98.4 K (-1.01 %)
Aug 21 2015	MLAB	MESA LABORATORIES ...	Dwyer Robert V	Director	Sell	S	119.50	2,000	239,000	99,373	101.4 K to 99.4 K (-1.97 %)
Aug 19 2015	MLAB	MESA LABORATORIES ...	Dwyer Robert V	Director	Sell	S	116.50	1,937	225,661	101,373	103.3 K to 101.4 K (-1.87 %)
Aug 11 2015	MLAB	MESA LABORATORIES ...	Schmieder John Bradley	Director	Sell	S	113.11	500	56,555	82,869	83.4 K to 82.9 K (-0.60 %)
Aug 11 2015	MLAB	MESA LABORATORIES ...	Schmieder John Bradley	Director	Sell	S	114.28	500	57,140	83,369	83.9 K to 83.4 K (-0.60 %)
Jul 27 2015	MLAB	MESA LABORATORIES ...	Dwyer Robert V	Director	Gift	G	0.00	300	0	103,310	103 K to 103.3 K (+0.29 %)
Jul 13 2015	MLAB	MESA LABORATORIES ...	GUILLEMIN EVAN	Director	Sell	J	89.98	28,845	2,595,473	171,155	200 K to 171.2 K (-14.42 %)
Apr 28 2015	MLAB	MESA LABORATORIES ...	SCHMIEDER LUKE R	Former Director	Option Exercise	X	51.85	500	25,925	2,070
Apr 28 2015	MLAB	MESA LABORATORIES ...	SCHMIEDER LUKE R	Former Director	Option Exercise	X	50.50	750	37,875	2,570
Apr 28 2015	MLAB	MESA LABORATORIES ...	SCHMIEDER LUKE R	Former Director	Option Exercise	X	29.20	1,000	29,200	3,320
Apr 28 2015	MLAB	MESA LABORATORIES ...	SCHMIEDER LUKE R	Former Director	Option Exercise	X	25.56	2,000	51,120	4,320
Apr 28 2015	MLAB	MESA LABORATORIES ...	SCHMIEDER LUKE R	Former Director	Payment of Exercise	F	84.46	307	25,929	176,293	176.6 K to 176.3 K (-0.17 %)
Apr 28 2015	MLAB	MESA LABORATORIES ...	SCHMIEDER LUKE R	Former Director	Buy	M	51.85	500	25,925	176,600	176.1 K to 176.6 K (+0.28 %)
Apr 28 2015	MLAB	MESA LABORATORIES ...	SCHMIEDER LUKE R	Former Director	Payment of Exercise	F	84.46	448	37,838	176,100	176.5 K to 176.1 K (-0.25 %)
Apr 28 2015	MLAB	MESA LABORATORIES ...	SCHMIEDER LUKE R	Former Director	Buy	M	50.50	750	37,875	176,548	175.8 K to 176.5 K (+0.43 %)
Apr 28 2015	MLAB	MESA LABORATORIES ...	SCHMIEDER LUKE R	Former Director	Payment of Exercise	F	84.46	346	29,223	175,798	176.1 K to 175.8 K (-0.20 %)
Apr 28 2015	MLAB	MESA LABORATORIES ...	SCHMIEDER LUKE R	Former Director	Buy	M	20.20	1,000	20,200	176,144	175.1 K to 176.1 K (+0.57 %)
Apr 28 2015	MLAB	MESA LABORATORIES ...	SCHMIEDER LUKE R	Former Director	Payment of Exercise	F	84.46	605	51,098	175,144	175.7 K to 175.1 K (-0.34 %)
Apr 28 2015	MLAB	MESA LABORATORIES ...	SCHMIEDER LUKE R	Former Director	Buy	M	25.56	2,000	51,120	175,749	173.7 K to 175.7 K (+1.15 %)
Apr 28 2015	MLAB	MESA LABORATORIES ...	SCHMIEDER LUKE R		Option Exercise	X	16.60	2,400	39,840	6,320
Apr 28 2015	MLAB	MESA LABORATORIES ...	SCHMIEDER LUKE R		Option Exercise	X	21.93	1,350	29,606	8,720
Apr 28 2015	MLAB	MESA LABORATORIES ...	SCHMIEDER LUKE R		Option Exercise	X	18.98	1,000	18,980	10,070
Apr 28 2015	MLAB	MESA LABORATORIES ...	SCHMIEDER LUKE R		Option Exercise	X	14.50	675	9,788	11,070
Apr 28 2015	MLAB	MESA LABORATORIES ...	SCHMIEDER LUKE R		Payment of Exercise	F	84.46	472	39,865	173,749	174.2 K to 173.7 K (-0.27 %)
Apr 28 2015	MLAB	MESA LABORATORIES ...	SCHMIEDER LUKE R		Buy	M	16.60	2,400	39,840	174,221	171.8 K to 174.2 K (+1.40 %)
Apr 28 2015	MLAB	MESA LABORATORIES ...	SCHMIEDER LUKE R		Payment of Exercise	F	84.46	351	29,645	171,821	172.2 K to 171.8 K (-0.20 %)
Apr 28 2015	MLAB	MESA LABORATORIES ...	SCHMIEDER LUKE R		Buy	M	21.93	1,350	29,606	172,172	170.8 K to 172.2 K (+0.79 %)
Apr 28 2015	MLAB	MESA LABORATORIES ...	SCHMIEDER LUKE R		Payment of Exercise	F	84.46	225	19,004	170,822	171 K to 170.8 K (-0.13 %)
Apr 28 2015	MLAB	MESA LABORATORIES ...	SCHMIEDER LUKE R		Buy	M	18.98	1,000	18,980	171,047	170 K to 171 K (+0.59 %)
Apr 28 2015	MLAB	MESA LABORATORIES ...	SCHMIEDER LUKE R		Payment of Exercise	F	84.46	116	9,797	170,047	170.2 K to 170 K (-0.07 %)
Apr 28 2015	MLAB	MESA LABORATORIES ...	SCHMIEDER LUKE R		Buy	M	14.50	675	9,788	170,163	169.5 K to 170.2 K (+0.40 %)
Apr 03 2015	MLAB	MESA LABORATORIES ...	SAKYS JOHN V	Chief Financial Off ...	Option Exercise	A	70.56	1,400	98,784	29,000
Apr 03 2015	MLAB	MESA LABORATORIES ...	SAKYS JOHN V	Chief Financial Off ...	Option Exercise	A	70.56	3,300	232,848	27,600
Apr 03 2015	MLAB	MESA LABORATORIES ...	SAKYS JOHN V	Chief Financial Off ...	Option Exercise	A	70.56	6,100	430,416	24,300
Apr 03 2015	MLAB	MESA LABORATORIES ...	Adriance Glenn E	Chief Sales & Mktg. ...	Option Exercise	A	70.56	1,400	98,784	27,575
Apr 03 2015	MLAB	MESA LABORATORIES ...	Adriance Glenn E	Chief Sales & Mktg. ...	Option Exercise	A	70.56	3,300	232,848	26,175
Apr 03 2015	MLAB	MESA LABORATORIES ...	Adriance Glenn E	Chief Sales & Mktg. ...	Option Exercise	A	70.56	6,100	430,416	22,875
Apr 03 2015	MLAB	MESA LABORATORIES ...	Sullivan John James	President and CEO	Option Exercise	A	70.56	1,400	98,784	100,100
Apr 03 2015	MLAB	MESA LABORATORIES ...	Sullivan John James	President and CEO	Option Exercise	A	70.56	4,500	317,520	98,700
Apr 03 2015	MLAB	MESA LABORATORIES ...	Sullivan John James	President and CEO	Option Exercise	A	70.56	13,600	959,616	94,200
Apr 03 2015	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Option Exercise	A	70.56	1,320	93,139	7,040
Apr 03 2015	MLAB	MESA LABORATORIES ...	GUILLEMIN EVAN	Director	Option Exercise	A	70.56	1,320	93,139	10,640
Apr 03 2015	MLAB	MESA LABORATORIES ...	Dwyer Robert V	Director	Option Exercise	A	70.56	1,320	93,139	4,140
Apr 03 2015	MLAB	MESA LABORATORIES ...	BROOKS MICHAEL T	Director	Option Exercise	A	70.56	1,320	93,139	13,840
Apr 03 2015	MLAB	MESA LABORATORIES ...	CAMPBELL H STUART	Director	Option Exercise	A	70.56	1,320	93,139	4,140
Mar 25 2015	MLAB	MESA LABORATORIES ...	Sullivan John James	President and CEO	Option Exercise	X	25.56	975	24,921	80,600
Mar 25 2015	MLAB	MESA LABORATORIES ...	Sullivan John James	President and CEO	Buy	M	25.56	975	24,921	51,093	50.1 K to 51.1 K (+1.95 %)
Feb 11 2015	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Gift	G	0.00	600	0	6,050	6.7 K to 6.1 K (-9.02 %)
Feb 09 2015	MLAB	MESA LABORATORIES ...	Adriance Glenn E	Chief Sales & Marke ...	Option Exercise	X	25.56	975	24,921	16,775
Feb 09 2015	MLAB	MESA LABORATORIES ...	Adriance Glenn E	Chief Sales & Marke ...	Buy	M	25.56	975	24,921	17,100	16.1 K to 17.1 K (+6.05 %)
Dec 29 2014	MLAB	MESA LABORATORIES ...	Dwyer Robert V	Director	Gift	G	0.00	400	0	103,610	104 K to 103.6 K (-0.38 %)
Nov 19 2014	MLAB	MESA LABORATORIES ...	SCHMIEDER LUKE R	Director	Gift	G	0.00	3,000	0	169,488	172.5 K to 169.5 K (-1.74 %)

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