MLAB taps credit facility for $97M to retire convertible notes

Rhea-AI Filing Summary

Mesa Laboratories, Inc. drew $97 million under its existing senior secured Credit Facility on August 12, 2025, bringing total outstanding borrowings under that facility to $108 million. The company used the proceeds to fund settlement of its outstanding convertible notes that matured on August 15, 2025, in accordance with the indenture.

The Credit Facility carries interest at either a base rate or a SOFR rate plus a spread and matures on April 5, 2029. The filing references the full credit agreement previously filed on April 8, 2024, and includes a press release as Exhibit 99.1 dated August 18, 2025.

Positive

• Convertible notes settled using proceeds, eliminating the scheduled August 15, 2025 maturity under the indenture
• Utilized existing credit facility rather than new financing, referencing an already-disclosed senior secured credit agreement

Negative

• Outstanding debt increased to $108 million under the Credit Facility, raising secured leverage
• Interest rate exposure tied to base rate or SOFR plus a spread introduces floating-rate cost risk

Insights

Financial Analyst

TL;DR: Company borrowed $97M to settle maturing convertible notes, raising outstanding debt to $108M under a credit facility maturing in 2029.

The draw converts near-term convertible note obligations into bank debt under the existing secured facility, eliminating the immediate note maturity event on August 15, 2025. This reduces potential near-term refinancing or conversion uncertainty tied to the notes but increases funded debt on the balance sheet to $108M under terms tied to base or SOFR rates plus a spread. Investors should note the credit facility maturity date of April 5, 2029, and that the filing incorporates the full credit agreement previously filed on April 8, 2024.

Risk Analyst

TL;DR: Settlement via credit draw removes convertible note maturity risk but increases interest rate exposure and secured leverage.

Replacing convertible notes with borrowings under a secured credit agreement reduces contingent equity dilution risk associated with convertible instruments but replaces it with higher secured leverage and floating-rate interest exposure (base rate or SOFR plus spread). The maturity profile now includes the facility's April 5, 2029 maturity. The filing is informational and references prior documentation for full terms.

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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): August 12, 2025

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 2.03 CREATION OF A DIRECT FINANCIAL OBLIGATION OR AN OBLIGATION UNDER AN OFF-BALANCE SHEET ARRANGEMENT OF A REGISTRANT.

On August 12, 2025, Mesa Laboratories, Inc. ("the "Company") drew $97 million under its existing Credit Facility. As of the date of this report, $108 million is outstanding under the Credit Facility.

The proceeds from the draw were used to fund the settlement of the Company's outstanding convertible notes that matured on August 15, 2025 in accordance with the terms of the indenture governing the notes.

The Credit Facility bears interest at either a base rate or a SOFR rate, plus an applicable spread. The Credit Facility matures on April 5, 2029.

The description of the Credit Facility in this Item 2.03 is qualified entirely by reference to the full text of the senior secured credit agreement, a copy of which was filed with the Company's Current Report on Form 8-K filed on April 8, 2024 and is incorporated by reference herein.

ITEM 9.01   Financial Statements and Exhibits

(d) Exhibits

99.1 Press Release Dated August 18, 2025.

SIGNATURES

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

DATE: August 18, 2025		Mesa Laboratories, Inc.
		(Registrant)
	BY:	/s/ Gary M. Owens
		Gary M. Owens
		President and Chief Executive Officer

FAQ

What did Mesa Laboratories (MLAB) do on August 12, 2025?

Mesa drew $97 million under its existing Credit Facility on August 12, 2025, to fund settlement of its convertible notes.

How much is outstanding under Mesa's Credit Facility after the draw?

$108 million was outstanding under the Credit Facility as of the date of the report.

What were the proceeds used for?

Proceeds were used to fund the settlement of the company's outstanding convertible notes that matured on August 15, 2025.

What interest terms apply to the Credit Facility?

The Credit Facility bears interest at either a base rate or a SOFR rate plus an applicable spread.

When does the Credit Facility mature?

The Credit Facility matures on April 5, 2029.

Where can I find the full terms of the Credit Facility?

The filing references the senior secured credit agreement previously filed with the company's Current Report on April 8, 2024, which is incorporated by reference.