Insider Trading activities of Mesa Laboratories Inc /co insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Mesa Laboratories Inc /co since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Mesa Laboratories Inc /co since year 2005. Table 2 shows the detailed insider transactions of Mesa Laboratories Inc /co since 2005. The reporting company's ticker symbol is MLAB. The reporting company's CIK number is 724004.
The total value of stock buying since 2005 is $2,595,361.
The total value of stock sales since 2005 is $25,949,398.
The total value of stock option exercises since 2005 is $5,454,251.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Mesa Laboratories Inc /co (MLAB).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-08 0 $0 8,610 $1,176,788 0 $0
2017-06 0 $0 16,150 $2,292,850 1,000 $48,720
2017-05 0 $0 0 $0 9,000 $170,820
2017-03 0 $0 2,000 $245,880 0 $0
2017-02 0 $0 38,070 $4,712,061 16,070 $351,965
2016-12 0 $0 2,002 $266,394 0 $0
2016-11 0 $0 4,567 $612,002 4,567 $301,174
2016-10 0 $0 4,000 $476,080 0 $0
2016-09 0 $0 3,000 $345,090 0 $0
2016-06 0 $0 7,000 $821,740 5,859 $151,295
2016-03 0 $0 6,280 $543,113 0 $0
2016-02 0 $0 3,435 $315,193 0 $0
2015-12 0 $0 0 $0 3,000 $86,680
2015-11 0 $0 2,400 $271,176 12,700 $587,830
2015-10 0 $0 0 $0 938 $52,482
2015-09 150 $16,431 7,000 $781,400 0 $0
2015-08 0 $0 4,937 $578,355 0 $0
2015-04 0 $0 0 $0 13,925 $412,394
2015-03 0 $0 0 $0 975 $24,921
2015-02 0 $0 0 $0 975 $24,921
2014-10 0 $0 0 $0 4,650 $151,622
2014-09 0 $0 0 $0 14,000 $240,940
2014-04 0 $0 0 $0 1,500 $58,915
2014-03 0 $0 5,000 $450,200 0 $0
2014-02 0 $0 11,000 $957,781 14,925 $305,962
2013-12 0 $0 5,525 $413,727 8,225 $208,214
2013-11 0 $0 20,000 $1,426,623 0 $0
2013-08 0 $0 12,000 $760,740 19,000 $304,960
2013-05 0 $0 0 $0 1,350 $32,112
2013-03 0 $0 30,000 $1,582,500 0 $0
2013-02 0 $0 0 $0 8,200 $175,176
2013-01 0 $0 0 $0 1,075 $23,574
2012-12 0 $0 35,981 $1,743,776 7,000 $76,685
2012-06 0 $0 0 $0 3,225 $70,724
2012-04 0 $0 0 $0 5,650 $123,639
2012-03 0 $0 0 $0 5,050 $104,873
2012-02 0 $0 0 $0 3,000 $56,940
2011-08 1,000 $33,590 0 $0 0 $0
2011-06 750 $22,927 0 $0 2,550 $52,955
2011-04 0 $0 0 $0 18,975 $358,098
2011-03 10,000 $290,000 10,000 $290,000 0 $0
2010-12 41,700 $1,041,000 40,000 $990,000 4,000 $59,200
2010-10 30,000 $645,600 30,000 $645,600 0 $0
2010-05 0 $0 0 $0 6,500 $49,640
2010-04 0 $0 0 $0 4,100 $69,585
2010-01 0 $0 0 $0 5,025 $65,092
2009-12 20,000 $462,000 20,000 $462,000 0 $0
2009-11 0 $0 0 $0 15,475 $196,333
2009-04 0 $0 0 $0 1,000 $9,890
2008-12 0 $0 2,000 $34,840 0 $0
2008-11 0 $0 0 $0 5,970 $74,983
2008-07 0 $0 0 $0 1,750 $19,171
2008-05 0 $0 100,000 $2,100,000 5,175 $43,861
2007-12 0 $0 3,000 $70,890 4,000 $33,780
2007-11 0 $0 3,000 $60,330 0 $0
2007-10 0 $0 3,000 $63,090 0 $0
2007-09 0 $0 3,000 $66,810 0 $0
2007-08 0 $0 3,000 $74,820 2,750 $26,498
2007-07 0 $0 3,000 $70,620 0 $0
2007-06 0 $0 3,000 $69,930 0 $0
2007-05 0 $0 3,000 $57,270 0 $0
2007-04 0 $0 3,000 $57,719 0 $0
2007-03 0 $0 3,000 $62,010 4,400 $44,228
2006-11 1,500 $30,000 0 $0 9,000 $54,275
2006-09 150 $2,475 0 $0 0 $0
2006-08 928 $14,476 0 $0 0 $0
2006-04 0 $0 0 $0 8,000 $52,560
2006-01 0 $0 0 $0 19,500 $96,564
2005-12 832 $13,062 0 $0 0 $0
2005-06 2,000 $23,800 0 $0 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Mesa Laboratories Inc /co insiders (MLAB)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-08-21 Campbell H Stuart (Director) Sale 1,000 130.16 130,160
2017-08-18 Campbell H Stuart (Director) Sale 1,000 130.00 130,000
2017-08-17 Campbell H Stuart (Director) Sale 1,000 130.83 130,830
2017-08-15 Campbell H Stuart (Director) Sale 2 134.10 268
2017-08-11 Campbell H Stuart (Director) Sale 608 134.08 81,520
2017-08-10 Campbell H Stuart (Director) Sale 1,000 136.58 136,580
2017-08-09 Campbell H Stuart (Director) Sale 1,000 137.61 137,610
2017-08-04 Campbell H Stuart (Director) Sale 1,000 143.09 143,090
2017-08-03 Campbell H Stuart (Director) Sale 1,000 143.12 143,120
2017-08-02 Campbell H Stuart (Director) Sale 1,000 143.61 143,610
2017-06-20 Sakys John (CFO) Option Ex 1,000 48.72 48,720
2017-06-16 Dwyer Robert V (Director) Sale 7,150 139.00 993,850
2017-06-14 Dwyer Robert V (Director) Sale 4,000 140.27 561,080
2017-06-12 Kelly David M (Director) Sale 1,000 142.00 142,000
2017-06-09 Adriance Glenn E (CSMO) Sale 4,000 148.98 595,920
2017-05-10 Sullivan John James (President and CEO) Option Ex 9,000 18.98 170,820
2017-03-20 Brooks Michael T (Director) Sale 2,000 122.94 245,880
2017-02-22 Dwyer Robert V (Director) Sale 3,300 125.14 412,962
2017-02-21 Dwyer Robert V (Director) Sale 1,700 125.12 212,704
2017-02-21 Sullivan John James (President and CEO) Sale 6,918 125.21 866,202
2017-02-21 Sullivan John James (President and CEO) Option Ex 6,918 17.79 123,071
2017-02-17 Sullivan John James (President and CEO) Sale 2,160 123.60 266,976
2017-02-17 Sullivan John James (President and CEO) Option Ex 2,160 18.98 40,996
2017-02-13 Sullivan John James (President and CEO) Sale 5,922 123.99 734,268
2017-02-13 Sullivan John James (President and CEO) Option Ex 5,922 18.98 112,399
2017-02-07 Schmieder John Bradley (Director) Sale 2,000 122.90 245,800
2017-02-07 Adriance Glenn E (CSMO) Sale 3,695 122.39 452,212
2017-02-07 Campbell H Stuart (Director) Sale 8,000 121.55 972,400
2017-02-06 Adriance Glenn E (CSMO) Sale 4,375 125.38 548,537
2017-02-06 Adriance Glenn E (CSMO) Option Ex 1,070 70.56 75,499
2016-12-15 Dwyer Robert V (Director) Sale 1,000 134.00 134,000
2016-12-14 Dwyer Robert V (Director) Sale 1,002 132.13 132,394
2016-11-23 Adriance Glenn E (CMSO) Sale 3,567 135.93 484,862
2016-11-23 Adriance Glenn E (CMSO) Option Ex 3,567 70.78 252,454
2016-11-17 Sakys John (CFO) Sale 221 131.16 28,986
2016-11-15 Sakys John (CFO) Sale 779 126.00 98,154
2016-11-15 Sakys John (CFO) Option Ex 1,000 48.72 48,720
2016-10-21 Campbell H Stuart (Director) Sale 4,000 119.02 476,080
2016-09-16 Campbell H Stuart (Director) Sale 3,000 115.03 345,090
2016-06-22 Sullivan John James (President and CEO) Sale 4,000 121.63 486,520
2016-06-22 Sullivan John James (President and CEO) Option Ex 5,000 18.98 94,900
2016-06-06 Adriance Glenn E (CSMO) Sale 3,000 111.74 335,220
2016-06-02 Campbell H Stuart (Director) Option Ex 859 65.65 56,395
2016-03-11 Campbell H Stuart (Director) Sale 3,816 86.45 329,893
2016-03-10 Campbell H Stuart (Director) Sale 2,184 86.09 188,020
2016-03-07 Campbell H Stuart (Director) Sale 280 90.00 25,200
2016-02-29 Campbell H Stuart (Director) Sale 1,903 90.84 172,868
2016-02-24 Campbell H Stuart (Director) Sale 1,500 92.75 139,125
2016-02-23 Campbell H Stuart (Director) Sale 12 100.00 1,200
2016-02-22 Campbell H Stuart (Director) Sale 20 100.00 2,000
2015-12-15 Brooks Michael T (Director) Option Ex 2,000 18.98 37,960
2015-12-04 Sakys John V (CFO) Option Ex 1,000 48.72 48,720
2015-11-06 Sullivan John James (President and CEO) Sale 2,400 112.99 271,176
2015-11-06 Sullivan John James (President and CEO) Option Ex 5,000 18.98 94,900
2015-11-05 Sullivan John James (President and CEO) Option Ex 7,700 64.02 492,930
2015-10-07 Campbell H Stuart (Director) Option Ex 938 55.95 52,482
2015-09-22 Campbell H Stuart (Director) Buy 150 109.54 16,431
2015-09-17 Dwyer Robert V (Director) Sale 2,000 113.00 226,000
2015-09-15 Dwyer Robert V (Director) Sale 3,000 111.67 335,010
2015-09-11 Dwyer Robert V (Director) Sale 1,000 110.00 110,000
2015-09-08 Dwyer Robert V (Director) Sale 1,000 110.39 110,390
2015-08-17 Dwyer Robert V (Director) Sale 1,937 116.50 225,660
2015-08-11 Schmieder John Bradley (Director) Sale 500 113.11 56,555
2015-08-10 Schmieder John Bradley (Director) Sale 500 114.28 57,140
2015-08-07 Dwyer Robert V (Director) Sale 2,000 119.50 239,000
2015-04-27 Schmieder Luke R (Other) Option Ex 9,675 27.52 255,030
2015-03-24 Sullivan John James (President and CEO) Option Ex 975 25.56 24,921
2015-02-08 Adriance Glenn E (Chief Sales & Marketing Office) Option Ex 975 25.56 24,921
2014-10-03 Dwyer Robert V (Director) Option Ex 4,650 32.61 151,622
2014-09-23 Sullivan John James (President and CEO) Option Ex 14,000 17.21 240,940
2014-04-07 Campbell H Stuart (Director) Option Ex 1,500 39.28 58,915
2014-03-14 Schmieder Luke R (Director) Sale 5,000 90.04 450,200
2014-02-27 Adriance Glenn E (CSMO) Sale 198 87.00 17,226
2014-02-26 Adriance Glenn E (CSMO) Sale 802 87.85 70,455
2014-02-25 Sullivan John James (President and CEO) Sale 10,000 87.01 870,100
2014-02-25 Sullivan John James (President and CEO) Option Ex 14,925 20.50 305,962
2013-12-17 Brooks Michael T (Director) Option Ex 2,700 15.44 41,688
2013-12-09 Adriance Glenn E (Chief Sales and Marketing Officer) Sale 4,825 74.49 359,414
2013-12-09 Adriance Glenn E (Chief Sales and Marketing Officer) Option Ex 4,825 31.50 152,001
2013-12-05 Adriance Glenn E (Chief Sales and Marketing Officer) Sale 700 77.59 54,313
2013-12-05 Adriance Glenn E (Chief Sales and Marketing Officer) Option Ex 700 20.75 14,525
2013-11-15 Dwyer Robert V (Director) Sale 13,476 71.33 961,243
2013-11-14 Dwyer Robert V (Director) Sale 4,462 71.26 317,962
2013-11-13 Dwyer Robert V (Director) Sale 1,562 71.50 111,683
2013-11-12 Dwyer Robert V (Director) Sale 500 71.47 35,735
2013-08-19 Sullivan John James (President and CEO) Sale 6,000 64.87 389,220
2013-08-19 Sullivan John James (President and CEO) Option Ex 9,000 16.02 144,180
2013-08-14 Sullivan John James (President and CEO) Sale 6,000 61.92 371,520
2013-08-14 Sullivan John James (President and CEO) Option Ex 9,000 16.02 144,180
2013-08-12 Adriance Glenn E (Chief Sales and Marketing Officer) Option Ex 1,000 16.60 16,600
2013-05-03 Campbell H Stuart (Director) Option Ex 1,350 23.79 32,112
2013-03-05 Campbell H Stuart (Director) Sale 30,000 52.75 1,582,500
2013-02-05 Peterson Steven W (Other) Option Ex 8,200 21.36 175,176
2013-01-25 Sullivan John James (President and CEO) Option Ex 1,075 21.93 23,574
2012-12-28 Peterson Steven W (Other) Sale 1,946 48.70 94,770
2012-12-27 Peterson Steven W (Other) Sale 5,724 48.50 277,614
2012-12-26 Peterson Steven W (Other) Sale 11,230 48.50 544,655
2012-12-21 Peterson Steven W (Other) Sale 100 48.68 4,868
2012-12-19 Peterson Steven W (Other) Sale 1,152 48.76 56,174
2012-12-18 Peterson Steven W (Other) Sale 11,829 48.77 576,923
2012-12-13 Brooks Michael T (Director) Option Ex 7,000 10.96 76,685
2012-12-06 Brooks Michael T (Director) Sale 4,000 47.19 188,772
2012-06-25 Sullivan John James (President and CEO) Option Ex 3,225 21.93 70,724
2012-04-17 Campbell H Stuart (Director) Option Ex 1,800 23.32 41,981
2012-04-09 Adriance Glenn E (Executive Vice President) Option Ex 3,850 21.21 81,658
2012-03-19 Dwyer Robert V (Director) Option Ex 5,050 20.77 104,873
2012-02-20 Peterson Steven W (CFO and Secretary) Option Ex 3,000 18.98 56,940
2011-08-29 Adriance Glenn E (VP Sales and Marketing) Buy 1,000 33.59 33,590
2011-06-13 Kelly David M (Director) Buy 450 30.95 13,927
2011-06-09 Kelly David M (Director) Buy 300 30.00 9,000
2011-06-01 Campbell H Stuart (Director) Option Ex 2,550 20.77 52,955
2011-04-25 Adriance Glenn E (V.P. Sales & Marketing) Option Ex 11,275 21.86 246,448
2011-04-25 Sullivan John James (President and CEO) Option Ex 2,700 14.50 39,150
2011-04-15 Dwyer Robert V (Director) Option Ex 5,000 14.50 72,500
2011-03-03 Peterson Steven W (CFO, Secretary) Sale 10,000 29.00 290,000
2011-03-03 Guillemin Evan (Director) Buy 10,000 29.00 290,000
2010-12-31 Kelly David M (Director) Buy 1,700 30.00 51,000
2010-12-21 Dwyer Robert V (Director) Sale 40,000 24.75 990,000
2010-12-21 Guillemin Evan (Director) Buy 40,000 24.75 990,000
2010-12-03 Sullivan John James (President, CEO) Option Ex 4,000 14.80 59,200
2010-10-12 Dwyer Robert V (Director) Sale 30,000 21.52 645,600
2010-10-12 Guillemin Evan (Director) Buy 30,000 21.52 645,600
2010-05-15 Duke Paul D (Director) Option Ex 6,500 7.64 49,640
2010-04-16 Campbell H Stuart (Director) Option Ex 4,100 16.97 69,585
2010-01-07 Sullivan John James (President, CEO) Option Ex 3,000 11.91 35,730
2010-01-06 Peterson Steven W (CFO and Secretary) Option Ex 2,025 14.50 29,362
2009-12-30 Brooks Michael T (Director) Sale 10,000 23.10 231,000
2009-12-30 Peterson Steven W (CFO, Secretary) Sale 10,000 23.10 231,000
2009-12-30 Guillemin Evan (Director) Buy 20,000 23.10 462,000
2009-11-24 Schmieder Luke R (Director) Option Ex 12,475 12.87 160,603
2009-11-02 Peterson Steven W (VP-Finance,CFO & Secretary) Option Ex 3,000 11.91 35,730
2009-04-15 Peterson Steven W (VP Finance, CFO, Secretary) Option Ex 1,000 9.89 9,890
2008-12-31 Peterson Steven W (VP Finance, CFO, Secretary) Sale 2,000 17.42 34,840
2008-11-25 Sullivan John James (President and COO) Option Ex 5,970 12.56 74,983
2008-07-15 Campbell H Stuart (Director) Option Ex 1,750 10.96 19,171
2008-05-29 Campbell H Stuart (Director) Option Ex 1,175 17.21 20,221
2008-05-15 Brooks Michael T (Director) Option Ex 4,000 5.91 23,640
2008-05-14 Schmieder Luke R (CEO, Chairman, Treasurer) Sale 100,000 21.00 2,100,000
2007-12-06 Peterson Steven W (VP Finance, CFO, Secretary) Option Ex 4,000 8.45 33,780
2007-12-03 Duke Paul D (Director) Sale 3,000 23.63 70,890
2007-11-01 Duke Paul D (Director) Sale 3,000 20.11 60,330
2007-10-02 Duke Paul D (Director) Sale 3,000 21.03 63,090
2007-09-06 Duke Paul D (Director) Sale 3,000 22.27 66,810
2007-08-15 Campbell H Stuart (Director) Option Ex 2,750 9.64 26,498
2007-08-02 Duke Paul D (Director) Sale 3,000 24.94 74,820
2007-07-03 Duke Paul D (Director) Sale 3,000 23.54 70,620
2007-06-05 Duke Paul D (Director) Sale 3,000 23.31 69,930
2007-05-03 Duke Paul D (Director) Sale 3,000 19.09 57,270
2007-04-04 Duke Paul D (Director) Sale 3,000 19.24 57,719
2007-03-26 Campbell H Stuart (Director) Option Ex 4,400 10.05 44,228
2007-03-05 Duke Paul D (Director) Sale 3,000 20.67 62,010
2006-11-28 Brooks Michael T (Director) Option Ex 4,000 5.50 22,000
2006-11-06 Dwyer Robert V (Director) Buy 1,500 20.00 30,000
2006-11-02 Peterson Steven W (VP Finance, CFO, Secretary) Option Ex 5,000 6.46 32,275
2006-09-22 Sullivan John James (President, COO) Buy 150 16.50 2,475
2006-08-15 Sullivan John James (President, COO) Buy 928 15.60 14,476
2006-04-03 Schmieder Luke R (President, CEO, Treasurer) Option Ex 8,000 6.57 52,560
2006-01-12 Duke Paul D (Director) Option Ex 19,500 4.95 96,564
2005-12-09 Sullivan John James (Marketing) Buy 832 15.70 13,062
2005-06-16 Sullivan John James (Marketing) Buy 2,000 11.90 23,800

Insider trading activities including stock purchases, stock sales, and option exercises of MLAB listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Mesa Laboratories Inc /co (symbol MLAB, CIK number 724004) see the Securities and Exchange Commission (SEC) website.