John James Sullivan - 02 Dec 2025 Form 4 Insider Report for MESA LABORATORIES INC /CO/ (MLAB)

Role
Director
Signature
John Sakys under Power of Attorney by John Sullivan
Issuer symbol
MLAB
Transactions as of
02 Dec 2025
Net transactions value
$0
Form type
4
Filing time
05 Dec 2025, 11:10:57 UTC
Previous filing
18 Aug 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Sullivan John James Director 12100 W. 6TH AVENUE, LAKEWOOD John Sakys under Power of Attorney by John Sullivan 05 Dec 2025 0001305784

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MLAB Common Stock Gift $0 -2,000 -7.3% $0.000000 25,282 02 Dec 2025 Direct
holding MLAB Common Stock 44,780 02 Dec 2025 By Trust F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents shares held in a spousal lifetime access trust