Mesa Laboratories, Inc. (MLAB)
Nasdaq: MLAB · Industrial Instruments For Measurement, Display, and Control · Lakewood, CO · filing with the SEC since 1995
Grade5.1
◀ Past 4.8● Present 5.0▶ Future 5.6
Who runs Mesa Laboratories, Inc.
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedChief executive, as filed
Sullivan John James
President and CEO. First filing Mar 2006, latest Oct 29, 2026, 29 filings in all.
Officers reporting now
6
of 11 people with a filing in the last fifteen months
Directors reporting now
5
22 people on the record since 2006
Officerssales are open-market, Oct 29, 2025 to Oct 29, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Sullivan John James | President and CEO | Mar 2006 | Oct 29, 2026 | 1 · $800,000 |
| Kadia Siddhartha | President and CEO | Apr 2026 | Aug 17, 2026 | none |
| Sakys John | CFO | Dec 2012 | Jun 23, 2026 | 2 · $400,000 |
| Archbold Brian David | SVP Operations | Jun 2019 | Jun 23, 2026 | 2 · $300,000 |
| Crennen Lyndsey Elizabeth | CAO | Jun 2026 | Jun 23, 2026 | 2 · $100,000 |
| Owens Gary M | President and CEO | Mar 2017 | Apr 2, 2026 | none |
Directorssales are open-market, Oct 29, 2025 to Oct 29, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Alltoft Jennifer Sadie | director | Apr 2019 | Sep 11, 2026 | none |
| Capone Mark Christopher | director | Feb 2024 | Sep 11, 2026 | none |
| Hall Shannon | director | Jun 2020 | Sep 11, 2026 | none |
| Ladiwala Shiraz Shabanali | director | Nov 2021 | Sep 11, 2026 | none |
| Tripeny R Tony | director | Jul 2022 | Sep 11, 2026 | none |
Earlier names on the record11, newest filing first
Schmieder John Bradley · director · last filing Sep 2023Guillemin Evan · director · last filing Sep 2022Dinoia Gregory · officer · last filing Jun 2022Mesa Laboratories Inc /co/ · director · last filing Jun 2022Kelly David M · director · last filing Nov 2021Perez David Brian · director · last filing Jun 2020Dwyer Robert V · officer · last filing Apr 2020Brooks Michael T · director · last filing Jun 2019Campbell H Stuart · director · last filing Nov 2018Seg Ventures, LLC · director · last filing Oct 2018Adriance Glenn E · officer · last filing Mar 2018
A person is listed as reporting now after a filing in the last fifteen months. The record shows when someone last filed; it does not say why they stopped. Each name links to the filings on sec.gov.