Mesa Laboratories (MLAB) appoints Lyndsey Crennen Chief Accounting Officer

Rhea-AI Filing Summary

Mesa Laboratories appointed Lyndsey Crennen as Chief Accounting Officer, effective upon entry into a new Employment Agreement. She has over 20 years of accounting experience and has served in progressively senior roles at Mesa since 2018, including Corporate Controller since 2022.

Under the expected Employment Agreement, Crennen will receive a base salary of $325,000, be eligible for an annual cash bonus equal to 40% of base salary under the short-term incentive plan, and have a long-term incentive target award value of $300,000. The agreement includes customary severance and other terms, and the company states there are no related-party transactions or family relationships requiring disclosure.

8-K Event Classification

2 items: 5.02, 9.01

2 items

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers Governance

Key personnel changes including departures, elections, or appointments of directors and executive officers.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

Key Figures

Annual base salary: $325,000 Target annual bonus: 40% of base salary Long-term incentive target: $300,000 +3 more

6 metrics

Annual base salary $325,000 Base salary for Chief Accounting Officer role under Employment Agreement

Target annual bonus 40% of base salary Short-term incentive bonus opportunity tied to performance targets

Long-term incentive target $300,000 Annual target award value under Mesa’s long-term incentive plan

Expected agreement date June 26, 2026 Planned date to enter Employment Agreement with Lyndsey Crennen

Experience Over 20 years Accounting and related roles experience for Lyndsey Crennen

Age 41 Age of newly appointed Chief Accounting Officer

Key Terms

Chief Accounting Officer, Employment Agreement, short-term incentive bonus plan, long-term incentive plan, +2 more

6 terms

Chief Accounting Officer financial

"the Board approved the appointment of Lyndsey Crennen as the Chief Accounting Officer of the Company"

A chief accounting officer is a senior executive responsible for overseeing a company's financial records and ensuring all accounting practices are accurate and compliant with regulations. They play a key role in preparing financial reports that help investors understand the company's financial health, much like a trusted navigator guiding a ship through complex waters. Their work ensures transparency and trust in the company's financial information.

Employment Agreement financial

"enter into an Employment Agreement on or about June 26, 2026"

short-term incentive bonus plan financial

"eligible to participate in the Company’s short-term incentive bonus plan"

long-term incentive plan financial

"eligible to participate in Mesa’s long-term incentive plan with an annual target award value"

A long-term incentive plan is a company program that pays executives or employees with stock, options, or cash tied to multi-year performance goals, where the rewards become theirs only after meeting conditions over time. Think of it as a delayed bonus or retirement-style reward that aligns employees’ interests with shareholders by encouraging them to boost long-term value; investors watch these plans because they affect pay costs, share dilution and management incentives.

related party transactions financial

"there are no related party transactions between Ms. Crennen and the Company"

Transactions between a company and people or entities that have close ties to it—such as executives, board members, major shareholders, family members, or related companies—where the parties are not independent. These deals matter to investors because they can create conflicts of interest or hide favorable terms that distort a company’s true profits and risks; think of it like a business buying or selling to a family member instead of using the open market, which can lead to biased prices or undisclosed obligations.

Item 404(a) of Regulation S-K regulatory

"that require disclosure pursuant to Item 404(a) of Regulation S-K"

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Understanding 8-K Material Events →

false 0000724004 0000724004 2026-06-11 2026-06-11

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549   

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): June 11, 2026

MESA LABORATORIES, INC.
(Exact name of registrant as specified in its charter)

Colorado
(State or other jurisdiction of
incorporation) 0-11740 (Commission File Number) 84-0872291
(I.R.S. Employer
Identification No.)

12100 WEST SIXTH AVENUE, LAKEWOOD, Colorado
(Address of principal executive offices) 80228
(Zip Code)

Registrant’s telephone number, including area code: 303-987-8000

Not Applicable
(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered under Section 12(b) of the Act:

Title of each class		Trading Symbol		Name of each exchange on which registered
Common Stock, no par value		MLAB		The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On June 11, 2026, the board of directors (the “Board”) of Mesa Laboratories, Inc. (“Mesa” or the “Company”) approved the appointment of Lyndsey Crennen as the Chief Accounting Officer of the Company, effective as of her entry into the Employment Agreement described below.

Ms. Crennen, age 41, has over 20 years of experience in accounting and related roles. Ms. Crennen joined Mesa in 2018 as Assistant Controller and has held progressive accounting roles at the Company, including serving as Corporate Controller since 2022. Prior to joining Mesa, Ms. Crennen worked at Chipotle Mexican Grill, Inc., where she led the internal audit function from 2012 to 2014 and subsequently oversaw technical accounting and financial reporting through 2018. Ms. Crennen began her career as an auditor at PricewaterhouseCoopers, LLP in Denver. Ms. Crennen holds a B.S. degree in accounting and finance from the University of Colorado and is a Certified Public Accountant.

There are no family relationships between Ms. Crennen and any director or executive officer of the Company, and there are no arrangements or understandings between Ms. Crennen and any other persons pursuant to which she was appointed as Chief Accounting Officer of the Company. In addition, there are no related party transactions between Ms. Crennen and the Company that require disclosure pursuant to Item 404(a) of Regulation S-K.

In connection with her appointment, Ms. Crennen and the Company expect to enter into an Employment Agreement on or about June 26, 2026 (the “Employment Agreement”), pursuant to which Ms. Crennen will receive an annual base salary of $325,000, which may be increased from time to time by the Compensation Committee of the Board. She will be eligible to participate in the Company’s short-term incentive bonus plan, with the opportunity to receive an annual cash bonus equal to 40% of her annual base salary, pursuant to the terms and conditions of such plan and subject to the achievement of performance targets set by the Compensation Committee of the Board. Ms. Crennen will also be eligible to participate in Mesa’s long-term incentive plan with an annual target award value of $300,000, subject to the terms and conditions of the plan. The Employment Agreement contains customary severance and other terms.

The foregoing description of the Employment Agreement does not purport to be complete and is qualified in its entirety by reference to the full text of the Employment Agreement, a copy of which is filed as Exhibit 10.1 to this Current Report on Form 8-K and incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits

(d) Exhibits

	10.1	Form of Employment Agreement by and among Mesa Laboratories, Inc. and Lyndsey Crennen
	104	Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

DATE: June 15, 2026				Mesa Laboratories, Inc.
				(Registrant)
			BY:	/s/ John Sakys
				John Sakys
				Chief Financial Officer

FAQ

What executive change did Mesa Laboratories (MLAB) announce in this 8-K?

Mesa Laboratories appointed Lyndsey Crennen as Chief Accounting Officer, effective upon entry into her Employment Agreement. She has over 20 years of accounting experience and has held progressive roles at Mesa since 2018, including serving as Corporate Controller since 2022.

What is Lyndsey Crennen’s compensation as Chief Accounting Officer at MLAB?

Lyndsey Crennen will receive a $325,000 annual base salary as Chief Accounting Officer. She is also eligible for an annual cash bonus equal to 40% of base salary and a long-term incentive plan target award value of $300,000, subject to plan terms and performance conditions.

When will Lyndsey Crennen’s Employment Agreement with Mesa Laboratories be effective?

Mesa Laboratories and Lyndsey Crennen expect to enter into her Employment Agreement on or about June 26, 2026. Her appointment as Chief Accounting Officer becomes effective upon entry into this agreement, which includes customary severance and other employment terms for her new role.

Does Mesa Laboratories disclose any related-party transactions with Lyndsey Crennen?

Mesa Laboratories states there are no related-party transactions with Lyndsey Crennen requiring disclosure under Item 404(a) of Regulation S-K. The company also notes there are no family relationships or special arrangements underlying her appointment as Chief Accounting Officer.

What incentive opportunities will Lyndsey Crennen have at Mesa Laboratories (MLAB)?

Lyndsey Crennen will be eligible for a short-term incentive bonus equal to 40% of her $325,000 base salary, based on performance targets. She will also participate in Mesa’s long-term incentive plan with an annual target award value of $300,000, subject to plan conditions.

Filing Exhibits & Attachments

5 documents

Agreements & Contracts

• EX-10.1 EXHIBIT 10.1 175.5 KB

Other Documents

• EX-101 XBRL TAXONOMY EXTENSION SCHEMA 3.5 KB
• EX-101 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE 11.2 KB
• EX-101 XBRL TAXONOMY EXTENSION LABEL LINKBASE 15.0 KB
• EX-101 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE 11.3 KB