Form 4 Tracker
MESA LABORATORIES INC /CO/
MLAB

29 insider filings · Latest: Sep 9, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Jun 16, 2025Jun 16 7:47 PMOwens Gary M
Proposed Sale
1,939$97.12$188.3K—

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Jun 16, 2025Jun 16 7:40 PMSakys John
Proposed Sale
642$97.12$62.3K—

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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
Sep 9, 2026Sep 11 6:13 PMMark Christopher CaponeDirector
Grant/Award
2,423—2,423(D)

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Sep 9, 2026Sep 11 6:09 PMShiraz Shabanali LadiwalaDirector
Grant/Award
2,510—2,510(D)

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Sep 9, 2009Sep 11 6:02 PMJennifer Sadie AlltoftDirector
Grant/Award
1,774—1,774(D)

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Sep 9, 2026Sep 11 5:57 PMShannon HallDirector
Grant/Award
1,774—1,774(D)

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Sep 9, 2026Sep 11 5:42 PMJohn James SullivanDirector
Grant/Award
1,774—1,774(D)

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Sep 9, 2026Sep 11 5:34 PMTony R TripenyDirector
Grant/Award
1,774—1,774(D)

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Aug 15, 2026Aug 17 11:40 PMMark Christopher CaponeDirector
Option Exercise
2,784—0(D)

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Aug 15, 2026Aug 17 11:32 PMJennifer Sadie AlltoftDirector
Option Exercise
2,784—0(D)

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Aug 15, 2026Aug 17 9:55 PMShiraz Shabanali LadiwalaDirector
Option Exercise
3,810—0(D)

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Aug 15, 2026Aug 17 9:46 PMShannon HallDirector
Option Exercise
2,784—0(D)

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Aug 15, 2026Aug 17 9:30 PMTony R TripenyDirector
Option Exercise
2,784—0(D)

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Aug 15, 2026Aug 17 9:01 PMJohn James SullivanDirector
Option Exercise
2,784—0(D)

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Jun 18, 2026Jun 23 5:34 PMLyndsey Elizabeth CrennenCAO
Option Exercise
726—367(D)

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Jun 18, 2026Jun 23 5:02 PMBrian David ArchboldSVP Operations
Option Exercise
3,324—2,480(D)

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Jun 18, 2026Jun 23 4:23 PMJohn SakysCFO
Option Exercise
3,792—2,755(D)

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

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Jun 15, 2026Jun 16 6:44 PMBrian David ArchboldSVP Operations
Option Exercise
2,454—4,892(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 6:15 PMJohn SakysCFO
Grant/Award
8,416—8,416(D)

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Jun 15, 2026Jun 16 6:15 PMJohn SakysCFO
Option Exercise
2,717—5,416(D)

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