Other Information
−Removed: During the three months ended June 30, 2025 , none of our directors or officers entered into new or amended written plans for the purchase or sale of our securities intended to satisfy the affirmative defense conditions of Exchange Act Rule 10b5 - 1 (c).
+Added: During the three months ended September 30, 2025 , none of our directors or officers entered into new or amended written plans for the purchase or sale of our securities intended to satisfy the affirmative defense conditions of Exchange Act Rule 10b5 - 1 (c).
Description of Exhibit
3 unchanged sentences
(incorporated by reference from Exhibit 3.1 to the Company's Current Report on Form 8-K filed May 10, 2019).
−Removed: Form of 2026 Restricted Stock Unit Agreement, issued under the 2021 Equity Plan
−Removed: Form of 2026 Performance Stock Unit Agreement, issued under the 2021 Equity Plan
−Removed: Form of Amendment to Executive Employment Agreements, by and among Mesa Laboratories, Inc.
+Added: Amended and Restated Credit Agreement, dated as of April 5, 2024, by and among the Company, the guarantors and lenders party thereto, JPMorgan Chase Bank, N.A., as administrative agent, and the joint lead arrangers and joint bookrunners party thereto.
+Added: Mesa Laboratories, Inc Amended and Restated 2021 Equity Incentive Plan.
+Added: Form of Amendment to Executive Employment Agreements, by and between Mesa Laboratories, Inc.
+Added: and each of Messrs.
Owens, Sakys and Archbold.
19 unchanged sentences
MESA LABORATORIES, INC.
−Removed: August 5, 2025
+Added: November 6, 2025
Chief Executive Officer
−Removed: August 5, 2025
+Added: November 6, 2025
Chief Financial Officer
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.