NASDAQ: MLAB

MESA LABORATORIES INC /CO/

CIK 0000724004 · Industrial Instruments

In this annual report, Mesa Laboratories, Inc., a Colorado corporation, together with its subsidiaries is collectively referred to as “we,” “us,” “our,” the “Company,” or “Mesa.” Mesa was organized in 1982 as a Colorado corporation. About this business →

10-K Filed Jun 3, 2026 · Period ending Mar 31, 2026

Mesa Labs returns to profit, names new CEO; China headwinds persist in Clinical Genomics

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8-K Filed May 27, 2026 · Period ending May 27, 2026

Mesa Labs reports Q4 and full-year fiscal 2026 earnings for period ended March 31

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8-K Filed Mar 23, 2026 · Period ending Mar 20, 2026 Red flag

Mesa Labs CEO Gary Owens departing April 13; receives severance and pro-rated equity

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8-K Filed Mar 9, 2026 · Period ending Mar 3, 2026

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10-Q Filed Feb 3, 2026 · Period ending Dec 31, 2025

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10-Q Filed Nov 6, 2025 · Period ending Sep 30, 2025

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10-K Filed May 28, 2025 · Period ending Mar 31, 2025

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About MESA LABORATORIES INC /CO/

Source: Item 1 (Business) from the 10-K filed June 3, 2026. Description as filed by the company with the SEC.

Item 1. Business

In this annual report, Mesa Laboratories, Inc., a Colorado corporation, together with its subsidiaries is collectively referred to as “we,” “us,” “our,” the “Company,” or “Mesa.” Mesa was organized in 1982 as a Colorado corporation.

General

We are a global leader in the design and manufacture of life sciences tools and critical quality control solutions for regulated applications in the pharmaceutical, healthcare and medical device industries. We offer products and services to help our customers ensure product integrity, increase patient and worker safety, and improve the quality of life throughout the world. We have manufacturing operations in the United States and Europe, and our products are marketed by our sales personnel in North America, Europe and the Asia Pacific region ("APAC"), and by independent distributors throughout the world.

We are headquartered in Lakewood, Colorado and our common stock is listed for trading on the Nasdaq Global Market (“Nasdaq”) under the symbol MLAB.

Our fiscal year ends on March 31. References in this annual report to a particular “fiscal year,” “year” or “year-end” refer to our fiscal year.

Strategy

We strive to create stakeholder value and further our purpose of Protecting the Vulnerable® by growing our business both organically and through acquisitions, by improving our operating efficiency, and by continuing to hire, develop and retain top talent. As a business, we commit to our purpose of Protecting the Vulnerable® every day by taking a customer-focused approach to developing, building and delivering our products and services. By delivering the highest quality products and services possible, we are committed to protecting the communities we serve.

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Our revenues are derived from sales of products and services. Product sales consist primarily of consumables and hardware, while services consist primarily of discrete and ongoing maintenance, calibration and testing services. We grow revenues organically by expanding our customer base and our product offerings, increasing sales volumes, and implementing price increases, as well as inorganically through acquisitions.

Our acquisition strategy is focused on businesses that complement our existing portfolio and those that expand our global presence further into life sciences tools and critical quality control solutions markets for regulated applications.

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Our ongoing goal is to maximize value in our businesses by implementing efficiencies in our manufacturing, commercial, engineering and administrative operations. We achieve efficiencies using the Mesa Way, our customer-centric, lean-based system for continuous improvement. The Mesa Way is built on four key pillars:

Measure what matters: We use our customers’ perspectives to define and measure what matters most and to set high standards for performance. We emphasize leading indicators to guide decision‑making to allow us to anticipate customer needs.

Empower Teams: We move decision-making as close to the customer as possible and utilize real-time communication forums to align the organization around delivering value and exceeding customer expectations.

Sustainably Improve: We apply a common and proven set of lean-based tools to continuously enhance our processes, products and services, to identify and prioritize our best opportunities, and to enable us to implement and embrace change.

Always Learn: We ensure that improvements are maintained, enabling us to raise performance expectations and repeat the cycle of improvement. We foster a culture of learning and adaptability by reflecting on outcomes, sharing knowledge, and building capabilities across the organization. This mindset supports employee development and helps us attract and retain talent in our communities.

We hire, develop, and retain top talent capable of taking on new challenges using a team approach to continuously improve our products, our services, and ourselves, resulting in long-term value creation for our stakeholders.

Our Segments

We report our financial performance in four segments, or divisions: (1) Sterilization and Disinfection Control, (2) Biopharmaceutical Development, (3) Calibration Solutions, and (4) Clinical Genomics. Unallocated corporate expenses and other business activities are reported within Corporate and Other.

Sterilization and Disinfection Control

Our Sterilization and Disinfection Control division manufactures and sells biological, chemical and cleaning indicators used to assess the effectiveness of sterilization, decontamination, disinfection and cleaning processes in the pharmaceutical, medical device and healthcare industries. The division also provides sterility assurance testing and laboratory services, primarily to dental and pharmaceutical customers. The majority of our Sterilization and Disinfection Control products are single-use consumables used by customers on a routine basis.

Biological Indicators

Biological indicators contain spores of certain microorganisms that provide defined resistance to specified sterilization processes. In use, these indicators are exposed to a sterilization process and then tested to determine the presence of surviving organisms. To ensure reliable performance, we employ extensive quality control procedures to characterize spore purity, population, and resistance to sterilization.

We offer a variety of biological indicator formats to support different sterilization environments and workflows. Our biological indicator products include inoculated carriers such as spore strips or discs, self-contained indicators with prepackaged growth media, process challenge devices (“PCDs”) that increase indicator resistance, and growth media. Our simple spore strips are used most often in small table-top steam sterilizers in dental offices, while our more complex self-contained biological indicators, which may be used with or without PCDs, are frequently used by medical device manufacturers to assure sterility in complex ethylene oxide sterilization processes. We also provide sterility assurance services in which dental customers mail spore strips to our microbiological laboratory for testing.

Chemical Indicators

Chemical indicators use a chemical reaction, generally evaluated through color change, to assess whether sterilization conditions have been achieved. These indicators are offered in multiple classifications designed to measure exposure to a process or the achievement of specific or multiple critical process parameters, for example, exposure to a given temperature for a specified period of time in a steam sterilization process. Biological indicators and chemical indicators are often used together as part of a comprehensive sterility assurance program.

Cleaning Indicators

Cleaning indicators are used to assess the effectiveness of cleaning processes prior to disinfection and sterilization. These products simulate the challenge of removing blood and tissue from surgical instruments and are used to evaluate washer disinfectors, ultrasonic cleaners, and other cleaning systems.

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Our facilities in Bozeman, Montana and in Waldems, Germany and Munich, Germany manufacture our Sterilization and Disinfection Control division products, which include, among others, our GKE Clean-Record® Indicators, Apex® biological indicators, EZTest® self-contained biological indicators, and PCDs. We generate sales globally through our direct sales personnel and independent distributors. Customers include industrial users involved in pharmaceutical and medical device manufacturing, hospitals, dental offices, and contract sterilization providers. Our sterilization and disinfection control products are used in highly regulated industries and compete on the basis of quality, flexibility, cost effectiveness, and suitability for intended use.

Clinical Genomics

Our Clinical Genomics division develops, manufactures and sells highly sensitive high-throughput genetic analysis instruments, consumables and related services that enable clinical research labs and contract research organizations to perform genomic testing across a broad range of non-diagnostic applications in several therapeutic areas, including hereditary disease screenings, pharmacogenetics, oncology related applications and toxicology research.

Clinical Genomics’ MassARRAY® system combines mass spectrometry with end-point polymerase chain reaction ("PCR") methods to enable highly multiplexed genetic analysis. Using our MassARRAY® instruments and proprietary consumables, which include chips, panels, and chemical reagent solutions, customers can analyze DNA samples with a high degree of accuracy, sensitivity and throughput. The MassARRAY® platform is designed to support the analysis of multiple genetic variants within a single PCR reaction and to process large sample volumes efficiently.

In addition to instruments and consumables, Clinical Genomics provides service and support offerings, including equipment maintenance contracts and custom laboratory service.

Approximately 80% of our Clinical Genomics revenues are from consumables used on a routine basis, a significant portion of which is generated from ongoing purchases by a limited number of key customers; sales of these products are less sensitive to general economic conditions and generally have higher gross margins than hardware products. Hardware sales are typically more sensitive to general economic conditions and changes in customer capital spending patterns. The remainder of Clinical Genomics revenues relate to services and support agreements.

Clinical Genomics products and services are sold primarily to clinical research labs and contract research organizations, including specialty, reference and pathology labs, as well as to a variety of academic, hospital, and government facilities.

Clinical Genomics products are manufactured in San Diego, California. Clinical Genomics generates revenues through direct sales personnel and through independent distributors.

Biopharmaceutical Development

Our Biopharmaceutical Development division develops, manufactures, sells and services automated systems for protein analysis (immunoassays) and peptide synthesis solutions. Immunoassays and peptide synthesis solutions accelerate the discovery, development and manufacture of biologic therapies, among other applications. Customers include biopharmaceutical research, development and manufacturing teams at biopharmaceutical companies, their contract research organization partners, and academic research and development laboratories.

The Biopharmaceutical Development division offers two primary categories of instruments and consumables: (i) protein analysis (immunoassays) solutions are used to detect and quantify specific proteins in a sample, and (ii) peptide synthesis solutions automate the chemical synthesis of peptides from amino acids. The division also sells service and support agreements associated with maintaining immunoassays and peptides synthesis instruments.

Protein Analysis (Immunoassays)

Our protein analysis products are widely used across human and non-human applications, primarily for therapy development and bioprocess design. These products support the efficient development and processing of assays to obtain accurate results for pre-clinical and clinical studies, as well as for upstream and downstream bioprocessing of biological therapies. Our protein analysis instruments are designed to facilitate effective experimental design, data interpretation, and assay optimization. By reducing labor and variability relative to more manual analysis methods, our products enable reliable data generation and support customers’ quality and regulatory requirements across research, development and manufacturing workflows.

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Peptide Synthesis

Our peptide synthesis solutions enable customers to automate the chemical synthesis of peptides used in peptide-based therapeutics, biomaterials, and research applications. The division’s peptide synthesizers and related consumables support the efficient production of complex and longer peptides with high purity. These products are designed to support regulated laboratory and manufacturing environments and are used by commercial and academic biopharmaceutical laboratories, as well as contract manufacturers of peptides.

The Biopharmaceutical Development division’s protein analysis products are developed and manufactured in Uppsala, Sweden, including our Gyrolab® xPand and Gyrolab xPlore™ hardware and software, as well as Gyrolab Bioaffy® consumable microfluidic disks (“CDs”) and Gyrolab kits and Rexxip® buffers. The division’s peptide synthesis products are developed and manufactured in Tucson, Arizona, including our PurePep® Symphony and Chorus instruments.

Products manufactured in Sweden are generally sold in U.S dollars or euros, while production costs are incurred primarily in Swedish krona, resulting in greater exposure to foreign currency fluctuations relative to other divisions. For a discussion of risks related to our non-U.S. operations and foreign currency exchange, refer to