Form 4 Tracker
MESA LABORATORIES INC /CO/
MLAB

17 insider filings · Latest: Aug 13, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Mar 19, 2025Mar 19 8:12 PMOwens Gary M
Proposed Sale
21,000$123.91$2.6M

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Oct 29, 2024Oct 29 7:47 PMOwens Gary M
Proposed Sale
2,551$111.98$285.7K

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Oct 28, 2024Oct 28 7:12 PMOwens Gary M
Proposed Sale
2,518$113.62$286.1K

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Sep 13, 2024Sep 13 8:35 PMArchbold Brian David
Proposed Sale
1,499$125.00$187.4K

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Jun 18, 2026Jun 23 5:34 PMLyndsey Elizabeth CrennenCAO
Option Exercise
726367(D)

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Jun 18, 2026Jun 23 5:02 PMBrian David ArchboldSVP Operations
Option Exercise
3,3242,480(D)

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Jun 18, 2026Jun 23 4:23 PMJohn SakysCFO
Option Exercise
3,7922,755(D)

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Jun 15, 2026Jun 16 6:44 PMBrian David ArchboldSVP Operations
Grant/Award
4,3284,328(D)

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Jun 15, 2026Jun 16 6:44 PMBrian David ArchboldSVP Operations
E
1,780$226.7211,852(D)

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Jun 15, 2026Jun 16 6:44 PMBrian David ArchboldSVP Operations
Option Exercise
2,4544,892(D)

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Jun 15, 2026Jun 16 6:15 PMJohn SakysCFO
Grant/Award
8,4168,416(D)

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Jun 15, 2026Jun 16 6:15 PMJohn SakysCFO
E
3,951$226.7215,755(D)

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Jun 15, 2026Jun 16 6:15 PMJohn SakysCFO
Option Exercise
2,7175,416(D)

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Apr 14, 2026May 19 1:04 PMSiddhartha KadiaPresident and CEO
Grant/Award
35,23635,236(D)

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Apr 14, 2026Apr 24 2:49 PMSiddhartha KadiaPresident and CEO
Grant/Award
34,80734,807(D)

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Mar 31, 2026Apr 2 8:29 PMGary M OwensPresident and CEO
Disposition
8,21116,448(D)

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