How many insider trades does FilingIQ track for MLAB?

FilingIQ tracks 629 Form 4 insider transactions for MLAB (MESA LABORATORIES INC /CO/), covering filings from Dec 30, 2009 onwards. 5 of those were filed in the last 90 days.

Are MLAB insiders net buyers or net sellers?

Across the full Form 4 history for MLAB, 8 transactions (1%) were open-market purchases and 184 (29%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does MLAB insider data come from?

Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.

What sector is MLAB in?

MESA LABORATORIES INC /CO/ (MLAB) is classified in the Technology sector, specifically Scientific & Technical Instruments, with a current market capitalisation of $525.24M.

MLAB insider trading

NasdaqGS Technology

MESA LABORATORIES INC /CO/ — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades

629

Last 90 days

Buys / sells

1% / 29%

Market cap

$525.24M

About MESA LABORATORIES INC /CO/

Mesa Laboratories, Inc. develops, designs, manufactures, sells, and services life sciences tools and quality control products and services in North America, Europe, the Asia Pacific, and internationally. The Sterilization and Disinfection Control segment offers 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. This segment also provides testing and laboratory services to the dental and pharmaceutical industries. Its Clinical Genomics segment offers MassARRAY, a genetic analysis tool system, and related consumables, including chips, panels, and chemical reagent solutions used by clinical labs to analyze DNA samples for inherited genetic disease testing, pharmacogenetics, oncology testing, infectious disease testing, doping and toxicology testing, and other differentiated applications for use in research. The Biopharmaceutical Development segment provides automated systems, such as Gyrolab xPand and Gyrolab xPlore hardware and software, Gyrolab Bioaffy consumable microfluidic disks, Gyrolab kits and Rexxip buffers for protein analysis; PurePep Chorus and Symphony instruments for peptide synthesis; and PurePep EasyClean products for purifying peptides. Its Calibration Solutions segment offers quality control products to measure and calibrate critical parameters in applications, such as environmental and process monitoring, dialysis, gas flow, air quality, and torque testing in medical device and pharmaceutical manufacturing, laboratory, and hospital environments. This segment's products include continuous monitoring systems, dialysate meters and consumables, data loggers, gas flow calibration and air sampling equipment, and torque testing systems under DialyGuard, ViewPoint, DataTrace, DryCal, and BGI brands. Mesa Laboratories, Inc. was incorporated in 1982 and is headquartered in Lakewood, Colorado.

Company website: www.mesalabs.com

MLAB insider activity at a glance

FilingIQ has scored 629 insider transactions for MLAB since Dec 30, 2009. The most recent filing in our index is dated Apr 14, 2026.

Across the full history, 8 open-market purchases and 184 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on MLAB insider trades is 63.0/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live MLAB trades on FilingIQ Raw filings on SEC EDGAR

Latest MLAB Form 4 filings

Sakys John CFO

S Jun 16, 2025

Archbold Brian David SVP Operations

S Sep 13, 2024

Archbold Brian David SVP Operations

S Dec 15, 2023

Most recent disclosures. Sign up to filter by score, transaction code, or insider role.

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Frequently asked

How many insider trades does FilingIQ track for MLAB?: FilingIQ tracks 629 Form 4 insider transactions for MLAB (MESA LABORATORIES INC /CO/), covering filings from Dec 30, 2009 onwards. 5 of those were filed in the last 90 days.
Are MLAB insiders net buyers or net sellers?: Across the full Form 4 history for MLAB, 8 transactions (1%) were open-market purchases and 184 (29%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does MLAB insider data come from?: Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
What sector is MLAB in?: MESA LABORATORIES INC /CO/ (MLAB) is classified in the Technology sector, specifically Scientific & Technical Instruments, with a current market capitalisation of $525.24M.

Methodology & sources

Every MLAB insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.