R. Tony Tripeny - Aug 15, 2025 Form 4 Insider Report for MESA LABORATORIES INC /CO/ (MLAB)

Role
Director
Signature
John Sakys under Power of Attorney by Tony Tripeny
Stock symbol
MLAB
Transactions as of
Aug 15, 2025
Transactions value $
$0
Form type
4
Date filed
8/18/2025, 01:54 PM
Previous filing
Jul 2, 2025
Next filing
Oct 1, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Tripeny R Tony Director ONE RIVERFRONT PLAZA, CORNING John Sakys under Power of Attorney by Tony Tripeny 2025-08-18 0001339381

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MLAB Common Stock Options Exercise $0 +1.4K +52.41% $0.00 4.08K Aug 15, 2025 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction MLAB Restricted Stock Units - 3 Options Exercise $0 -1.4K -100% $0.00 0 Aug 15, 2025 Common Stock 1.4K Direct F1, F2, F3
transaction MLAB Restricted Stock Units - 4 Award $0 +2.78K $0.00 2.78K Aug 15, 2025 Common Stock 2.78K Direct F1, F3, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each RSU represents a contingent right to receive one share of the Issuer's common stock
F2 RSUs that vested on August 15, 2025
F3 Not Applicable
F4 RSUs that vest on August 15, 2026