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Mesa Laboratories Inc (MLAB)  
$79.77 1.14 (1.45%) as of 4:30 Wed 12/17


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  Company Roster

Total Insiders  : 23  
Total Direct Shares :
655,310
Total Indirect Shares :
235,545
 
% Held by Insiders:
11.86%
 
10 other people own 
 $3,128,340 Sakys John V
 $1,200,060 Peterson Steven W
 $2,097,153 Sullivan John James
 $2,176,285 Guillemin Evan
 $2,329,842 Mesa Laboratories Inc /co/
 $2,376,189 Brooks Michael T
 $2,610,872 Dwyer Robert V
 $2,916,710 Campbell H Stuart
 $3,324,574 Schmieder John Bradley
 $5,006,365 Owens Gary M
 $5,116,049 Duke Paul D
 $5,928,746 Schmieder Luke R
 $14,062,893  
 
Filer's Name Relation Direct Date   Direct Shares Indirect Date Indirect Shares
   Owens Gary M President and CEO 2025-10-27 64,135 0
   Hall Shannon Director 2025-08-15 4,189 2020-11-15 0
   Alltoft Jennifer Sadie Director 2025-08-15 4,878 0
   Ladiwala Shiraz Shabanali Director 2025-08-15 5,023 2022-08-15 0
   Tripeny R Tony Director 2025-08-15 4,083 2022-08-09 0
   Sullivan John James Director 2025-08-15 27,282 2025-08-15 44,780
   Capone Mark Christopher Director 2025-08-15 2,128 2024-08-15 0
   Sakys John V CFO 2025-06-21 15,044 2025-06-21 100
   Archbold Brian David SVP Operations 2025-06-21 2,407 0
   Schmieder John Bradley Director 2023-09-15 62,760 2021-12-16 19,360
   Guillemin Evan Director 2022-09-01 29,207 2018-04-02 171,305
   Dinoia Gregory SVP Commercial 2022-06-21 3,634 2019-06-15 0
   Mesa Laboratories Inc /co/ Director 2022-06-15 29,788 2022-06-15 0
   Kelly David M Director 2021-11-08 2,600 2010-10-19 0
   Dwyer Robert V Director 2020-04-03 36,564 0
   Perez David Brian Director 2019-11-07 275 2019-11-07 0
   Brooks Michael T Director 2019-06-13 32,730 2003-11-12 0
   Campbell H Stuart Director 2018-11-07 41,677 2003-11-12 0
   Seg Ventures, Llc See Remarks, Director 2018-09-20 0 0
   Adriance Glenn E CSMO 2017-06-09 10,000 2011-04-25 0
   Schmieder Luke R Former Director 2015-04-27 176,293 2003-08-15 0
   Peterson Steven W Former Chief Financial Officer 2013-02-05 26,290 2003-08-18 0
   Duke Paul D Director 2010-05-15 74,323 2004-04-21 0
23 Records found