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Mesa Laboratories Inc (MLAB) Insider Trading

Total insider buys:
  • $2,114,031.00
Total insider sells:
  • $66,699,750.65
Most recent insider trade:
  • Dec. 15, 2023
Most active insider trader:
  • John James Sullivan
Trader NameDateTitleAmountPriceTypeTotal Value
Dec. 15, 2023SVP1,500$112.36Sell$168,540.00
Sept. 15, 2023Director1,000$123.74Sell$123,740.00
Sept. 13, 2023Director3,000$123.32Sell$369,960.00
Sept. 1, 2023CEO2,000$142.82Sell$285,640.00
March 24, 2023CFO2,128$167.01Sell$355,397.28
March 22, 2023CFO2,500$171.62Sell$429,050.00
March 15, 2023CFO1,000$165.71Sell$165,710.00
March 9, 2023CFO400$169.97Sell$67,988.00
Feb. 9, 2023CFO1,000$184.27Sell$184,270.00
Jan. 23, 2023CFO2,100$210.19Sell$441,399.00
Jan. 13, 2023Director1,571$191.31Sell$300,548.01
Dec. 8, 2022Director230$174.97Sell$40,243.10
Aug. 18, 2022Director3,692$196.12Sell$724,075.04
June 21, 2022CFO722$188.22Sell$135,894.84
June 21, 2022CEO1,756$188.22Sell$330,514.32
June 21, 2022SVP392$188.22Sell$73,782.24
April 20, 2022CFO72$250.44Sell$18,031.68
March 23, 2022CFO930$251.29Sell$233,699.70
Feb. 15, 2022Director5,192$259.42Sell$1,346,908.64
Jan. 3, 2022Director1,000$327.77Sell$327,770.00
Dec. 14, 2021SVP1,659$325.02Sell$539,208.18
Dec. 10, 2021CFO1,758$324.74Sell$570,892.92
Dec. 2, 2021Director2,320$310.61Sell$720,615.20
Nov. 15, 2021Director5,192$308.02Sell$1,599,239.84
Nov. 11, 2021CFO1,000$317.12Sell$317,120.00
Nov. 8, 2021Director18$324.07Sell$5,833.26
Nov. 8, 2021SVP280$323.72Sell$90,641.60
Oct. 20, 2021CFO2,000$309.86Sell$619,720.00
Oct. 1, 2021Director1,250$304.48Sell$380,600.00
Sept. 10, 2021CFO1,400$270.21Sell$378,294.00
Aug. 31, 2021Director603$267.29Sell$161,175.87
Aug. 16, 2021Director5,192$272.16Sell$1,413,054.72
Aug. 12, 2021CFO1,000$275.16Sell$275,160.00
Aug. 11, 2021Director800$278.06Sell$222,448.00
Aug. 9, 2021SVP639$280.03Sell$178,939.17
Aug. 2, 2021Director1,250$290.47Sell$363,087.50
July 16, 2021Director720$282.18Sell$203,169.60
July 12, 2021CFO1,000$278.77Sell$278,770.00
July 12, 2021CFO1,000$278.77Sell$278,770.00
July 1, 2021Director1,250$267.44Sell$334,300.00
June 16, 2021CEO6,545$255.67Sell$1,673,360.15
June 16, 2021Director720$256.36Sell$184,579.20
June 16, 2021CFO2,119$255.67Sell$541,764.73
June 16, 2021SVP1,211$255.67Sell$309,616.37
June 8, 2021Director5,192$258.19Sell$1,340,522.48
June 7, 2021CEO1,350$264.00Sell$356,400.00
June 4, 2021SVP540$260.27Sell$140,545.80
June 4, 2021Director851$260.28Sell$221,498.28
June 1, 2021Director2,215$251.46Sell$556,983.90
May 17, 2021Director720$244.25Sell$175,860.00
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  • Insiders are both buying and selling Mesa Laboratories Inc stock.

  • The insider traders at Mesa Laboratories Inc are: John James Sullivan, John Sakys, H Stuart Campbell, Robert V Dwyer, David M Kelly, Evan Guillemin, John Bradley Schmieder, Brian David Archbold, Gregory Dinoia, Glenn E Adriance, Gary M Owens, Seg Ventures, Llc, Michael T Brooks, Steven W Peterson, Shannon Hall, and Luke R Schmieder

  • The most active insider trader at Mesa Laboratories Inc is John James Sullivan with 27 trades.

  • John James Sullivan has sold the most Mesa Laboratories Inc stock with a total value of $20,565,599.22.

  • Seg Ventures, Llc has bought the most Mesa Laboratories Inc stock with a total value of $2,559,600.00.

  • The most recent insider trade for Mesa Laboratories Inc was on Dec. 15, 2023.

  • The single biggest insider buy for Mesa Laboratories Inc was from Seg Ventures, Llc with a total value of $990,000.00 on Dec. 21, 2018.

  • The single biggest insider sell for Mesa Laboratories Inc was from Evan Guillemin with a total value of $3,190,800.00 on Dec. 10, 2018.