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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
May 6, 2021Director200$250.05Sell$50,010.00
May 4, 2021Director735$250.14Sell$183,852.90
April 5, 2021Director500$250.76Sell$125,380.00
March 16, 2021Director720$269.48Sell$194,025.60
March 12, 2021CFO2,500$263.84Sell$659,600.00
March 10, 2021SVP223$271.78Sell$60,606.94
March 1, 2021Director1,250$273.94Sell$342,425.00
Feb. 10, 2021Director1,750$278.23Sell$486,902.50
Feb. 1, 2021Director1,250$277.67Sell$347,087.50
Jan. 12, 2021Director477$285.23Sell$136,054.71
Jan. 6, 2021CFO16$290.00Sell$4,640.00
Jan. 4, 2021Director1,250$280.82Sell$351,025.00
Dec. 11, 2020Director250$283.18Sell$70,795.00
Dec. 1, 2020Director1,250$275.22Sell$344,025.00
Nov. 17, 2020CFO984$290.00Sell$285,360.00
Nov. 16, 2020Director704$283.31Sell$199,450.24
Nov. 13, 2020Director2,050$274.30Sell$562,315.00
Nov. 11, 2020Director1,250$272.36Sell$340,450.00
Oct. 8, 2020CFO942$276.90Sell$260,839.80
Oct. 8, 2020CEO1,000$275.62Sell$275,620.00
Oct. 6, 2020CEO1,000$265.00Sell$265,000.00
Oct. 2, 2020SVP332$260.00Sell$86,320.00
Sept. 4, 2020SVP280$243.55Sell$68,194.00
Sept. 1, 2020CFO298$250.00Sell$74,500.00
Aug. 31, 2020Director600$245.00Sell$147,000.00
Aug. 28, 2020Director180$244.00Sell$43,920.00
Aug. 17, 2020Director800$247.72Sell$198,176.00
Aug. 17, 2020SVP835$245.70Sell$205,159.50
Aug. 14, 2020CFO1,000$244.00Sell$244,000.00
Aug. 10, 2020Director1,371$250.00Sell$342,750.00
Aug. 10, 2020SVP603$250.00Sell$150,750.00
Feb. 27, 2020Director1,702$256.02Sell$435,746.04
Feb. 25, 2020Director8,206$267.09Sell$2,191,740.54
Feb. 21, 2020SVP123$268.19Sell$32,987.37
Feb. 19, 2020Director1,800$266.46Sell$479,628.00
Feb. 12, 2020Director1,367$258.72Sell$353,670.24
Dec. 16, 2019Director7,500$251.31Sell$1,884,825.00
Nov. 25, 2019Director700$238.06Sell$166,642.00
March 19, 2019Director684$230.00Sell$157,320.00
Feb. 20, 2019Director1,746$232.31Sell$405,613.26
Feb. 15, 2019Director5,575$232.00Sell$1,293,400.00
Feb. 13, 2019Director3,254$230.70Sell$750,697.80
Feb. 11, 2019Director4,083$235.03Sell$959,627.49
Feb. 8, 2019Director2,500$232.70Sell$581,750.00
Feb. 6, 2019Director2,000$229.62Sell$459,240.00
Dec. 30, 2018Director20,000$23.10Buy$462,000.00
Dec. 21, 2018Director40,000$24.75Buy$990,000.00
Dec. 10, 2018Director15,000$212.72Sell$3,190,800.00
Dec. 6, 2018Director1,700$210.94Sell$358,598.00
Dec. 4, 2018Director2,000$218.74Sell$437,480.00
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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.