Shiraz Shabanali Ladiwala - 18 Aug 2025 Form 4 Insider Report for MESA LABORATORIES INC /CO/ (MLAB)

Role
Director
Signature
John Sakys under Power of Attorney by Shiraz Ladiwala
Issuer symbol
MLAB
Transactions as of
18 Aug 2025
Net transactions value
$0
Form type
4
Filing time
18 Aug 2025, 14:37:17 UTC
Previous filing
06 Sep 2024
Next filing
10 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Ladiwala Shiraz Shabanali Director C/O THERMO FISHER SCIENTIFIC INC., 168 THIRD AVENUE, WALTHAM John Sakys under Power of Attorney by Shiraz Ladiwala 15 Aug 2025 0001715573

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MLAB Common Stock Options Exercise $0 +1,949 +63% $0.000000 5,023 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 - 5 Options Exercise $0 -1,949 -100% $0.000000 0 15 Aug 2025 Common Stock 1,949 Direct F1, F2, F3
transaction MLAB Restricted Stock Units - 6 Award $0 +3,810 $0.000000 3,810 15 Aug 2025 Common Stock 3,810 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