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

Role
Director
Signature
John Sakys under Power of Attorney by Tony Tripeny
Issuer symbol
MLAB
Transactions as of
15 Aug 2025
Net transactions value
$0
Form type
4
Filing time
18 Aug 2025, 13:54:04 UTC
Previous filing
02 Jul 2025
Next filing
01 Oct 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 18 Aug 2025 0001339381

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MLAB Common Stock Options Exercise $0 +1,404 +52% $0.000000 4,083 15 Aug 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 -1,404 -100% $0.000000 0 15 Aug 2025 Common Stock 1,404 Direct F1, F2, F3
transaction MLAB Restricted Stock Units - 4 Award $0 +2,784 $0.000000 2,784 15 Aug 2025 Common Stock 2,784 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