Mesa Laboratories Inc /CO/ SEC filings MLAB
Mesa Laboratories Inc /CO/ has 1,005 filings in SEC EDGAR's recent list, going back to Apr 7, 2011. Its latest annual report, Form 10-K, was filed on Jun 3, 2026 for the period ended Mar 31, 2026. The latest quarterly report (Form 10-Q) was filed on Aug 10, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 13, 2026 (exit or restructuring costs, regulation fd disclosure). The company's fiscal year ends on March 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Exit or restructuring costs, Regulation FD disclosure
|
Oct 13, 2026 | Oct 12, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Sep 8, 2026 | Sep 8, 2026 |
| 10-Q | Quarterly report | Aug 10, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2026 | Aug 10, 2026 |
| 8-K | Current report | Jul 30, 2026 | Jul 30, 2026 |
| DEF 14A | Proxy statement | Jul 22, 2026 | Sep 8, 2026 |
| 8-K |
Current report
Officer or director change
|
Jun 15, 2026 | Jun 11, 2026 |
| S-8 | Employee stock plan registration | Jun 3, 2026 | — |
| 10-K | Annual report | Jun 3, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 27, 2026 | May 27, 2026 |
| 8-K |
Current report
Officer or director change
|
Mar 23, 2026 | Mar 20, 2026 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Mar 9, 2026 | Mar 3, 2026 |
| 10-Q | Quarterly report | Feb 3, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 3, 2026 | Feb 3, 2026 |
| 10-Q | Quarterly report | Nov 6, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 6, 2025 | Nov 6, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Aug 25, 2025 | Aug 22, 2025 |
| 8-K |
Current report
New debt
|
Aug 18, 2025 | Aug 12, 2025 |
| 10-Q | Quarterly report | Aug 5, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2025 | Aug 5, 2025 |
| DEF 14A | Proxy statement | Jul 11, 2025 | Aug 22, 2025 |
| 8-K |
Current report
Auditor change
|
Jun 6, 2025 | Jun 3, 2025 |
| 10-K | Annual report | May 28, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 28, 2025 | May 28, 2025 |
| 10-Q | Quarterly report | Feb 4, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 4, 2025 | Feb 4, 2025 |
| 10-Q | Quarterly report | Nov 7, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2024 | Nov 7, 2024 |
| 8-K |
Current report
Auditor change
|
Sep 11, 2024 | Sep 6, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Aug 30, 2024 | Aug 30, 2024 |
| 10-Q | Quarterly report | Aug 5, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2024 | Aug 5, 2024 |
| DEF 14A | Proxy statement | Jul 19, 2024 | Aug 30, 2024 |
| 10-K | Annual report | Jun 28, 2024 | Mar 31, 2024 |
| NT 10-K | Form nt 10-k | Jun 14, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
Jun 5, 2024 | Jun 5, 2024 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure, Other events
|
Apr 8, 2024 | Apr 5, 2024 |
| UPLOAD | Letter from the SEC | Apr 2, 2024 | — |
| 8-K |
Current report
Impairment
|
Apr 2, 2024 | Apr 1, 2024 |
| CORRESP | Letter to the SEC | Mar 25, 2024 | — |
| UPLOAD | Letter from the SEC | Mar 20, 2024 | — |
| CORRESP | Letter to the SEC | Mar 15, 2024 | — |
| UPLOAD | Letter from the SEC | Mar 6, 2024 | — |
| 10-Q | Quarterly report | Feb 5, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 5, 2024 | Feb 5, 2024 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jan 8, 2024 | Jan 5, 2024 |
| 10-Q | Quarterly report | Nov 6, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 6, 2023 | Nov 6, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 18, 2023 | Oct 16, 2023 |
| 8-K |
Current report
Material agreement, New debt
|
Oct 10, 2023 | Oct 5, 2023 |
| 8-K |
Current report
Auditor change
|
Aug 30, 2023 | Aug 30, 2023 |
| S-8 | Employee stock plan registration | Aug 30, 2023 | — |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Aug 25, 2023 | Aug 25, 2023 |
| 10-Q | Quarterly report | Aug 3, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 3, 2023 | Aug 3, 2023 |
| PX14A6G | Filing | Jul 31, 2023 | — |
| DEF 14A | Proxy statement | Jul 14, 2023 | Aug 25, 2023 |
| PRE 14A | Preliminary proxy statement | Jul 3, 2023 | Aug 25, 2023 |
| 10-K | Annual report | May 30, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 25, 2023 | May 25, 2023 |
| 8-K |
Current report
Officer or director change
|
May 8, 2023 | May 3, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 13, 2023 | Mar 10, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 6, 2023 | Feb 6, 2023 |
| 10-Q | Quarterly report | Feb 6, 2023 | Dec 31, 2022 |
| 8-K/A |
Amended current report
Shareholder vote results
|
Jan 4, 2023 | Aug 26, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 21, 2022 | Nov 16, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 4, 2022 | Nov 3, 2022 |
| 8-K/A |
Amended current report
Officer or director change
|
Nov 4, 2022 | Jun 23, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 3, 2022 | Nov 3, 2022 |
| 10-Q | Quarterly report | Nov 3, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Aug 26, 2022 | Aug 26, 2022 |
| DEFA14A | Additional proxy material | Aug 23, 2022 | — |
| DEFA14A | Additional proxy material | Aug 22, 2022 | — |
| 10-Q | Quarterly report | Aug 4, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 4, 2022 | Aug 4, 2022 |
| DEF 14A | Proxy statement | Jul 14, 2022 | Aug 26, 2022 |
| 8-K |
Current report
Officer or director change
|
Jun 27, 2022 | Jun 23, 2022 |
| 10-K | Annual report | May 31, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
May 31, 2022 | May 31, 2022 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2022 | — |
| 8-K |
Current report
Officer or director change
|
Apr 11, 2022 | Apr 8, 2022 |
| 8-K |
Current report
Material agreement
|
Apr 5, 2022 | Apr 5, 2022 |
| 424B5 | Prospectus supplement | Apr 5, 2022 | — |
| S-3ASR | Automatic shelf registration | Apr 5, 2022 | — |
| 8-K |
Current report
Other events
|
Mar 30, 2022 | Mar 30, 2022 |
| 10-Q | Quarterly report | Feb 3, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations
|
Feb 3, 2022 | Feb 3, 2022 |
| 8-K |
Current report
Other events
|
Dec 23, 2021 | Dec 23, 2021 |
| 8-K/A | Amended current report | Dec 22, 2021 | Oct 18, 2021 |
| 10-Q | Quarterly report | Nov 4, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2021 | Nov 4, 2021 |
| 8-K |
Current report
Officer or director change
|
Oct 29, 2021 | Oct 28, 2021 |
| 8-K |
Current report
Acquisition or sale of assets, New debt, Regulation FD disclosure
|
Oct 21, 2021 | Oct 18, 2021 |
| 8-K |
Current report
Officer or director change
|
Sep 29, 2021 | Sep 24, 2021 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Sep 14, 2021 | Sep 13, 2021 |
| 8-K |
Current report
Officer or director change
|
Sep 3, 2021 | Aug 30, 2021 |
| S-8 | Employee stock plan registration | Aug 30, 2021 | — |
| 8-K |
Current report
Shareholder vote results
|
Aug 27, 2021 | Aug 27, 2021 |
| 10-Q | Quarterly report | Aug 5, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2021 | Aug 5, 2021 |
| DEF 14A | Proxy statement | Jul 16, 2021 | Aug 27, 2021 |
| 10-K | Annual report | Jun 1, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
Jun 1, 2021 | Jun 1, 2021 |
| SD | Specialized disclosure (conflict minerals) | May 28, 2021 | — |
| 8-K |
Current report
Material agreement, New debt
|
Mar 8, 2021 | Mar 5, 2021 |
| 10-Q | Quarterly report | Feb 3, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations
|
Feb 3, 2021 | Feb 3, 2021 |
| 10-Q | Quarterly report | Nov 5, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2020 | Nov 5, 2020 |
| 8-K |
Current report
Officer or director change
|
Oct 1, 2020 | Sep 28, 2020 |
| 8-K |
Current report
Shareholder vote results
|
Aug 28, 2020 | Aug 28, 2020 |
| DEFA14A | Additional proxy material | Aug 20, 2020 | — |
| 10-Q | Quarterly report | Aug 6, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2020 | Aug 6, 2020 |
| DEF 14A | Proxy statement | Jul 17, 2020 | Aug 28, 2020 |
| 8-K |
Current report
Material agreement
|
Jun 12, 2020 | Jun 9, 2020 |
| 424B5 | Prospectus supplement | Jun 10, 2020 | — |
| 424B5 | Prospectus supplement | Jun 8, 2020 | — |
| 8-K |
Current report
Other events
|
Jun 4, 2020 | Jun 1, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 1, 2020 | Jun 1, 2020 |
| 10-K | Annual report | Jun 1, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Results of operations
|
Jun 1, 2020 | Jun 1, 2020 |
| SD | Specialized disclosure (conflict minerals) | May 29, 2020 | — |
| 8-K |
Current report
Officer or director change
|
May 15, 2020 | May 11, 2020 |
| 8-K |
Current report
Officer or director change
|
Apr 2, 2020 | Apr 1, 2020 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Mar 30, 2020 | Mar 30, 2020 |
| 8-K |
Current report
Results of operations
|
Feb 10, 2020 | Feb 10, 2020 |
| 10-Q | Quarterly report | Feb 10, 2020 | Dec 31, 2019 |
| 8-K/A | Amended current report | Jan 15, 2020 | Oct 30, 2019 |
| UPLOAD | Letter from the SEC | Dec 16, 2019 | — |
| CORRESP | Letter to the SEC | Dec 13, 2019 | — |
| 10-Q/A | Amended quarterly report | Dec 13, 2019 | Sep 30, 2019 |
| 10-Q/A | Amended quarterly report | Dec 13, 2019 | Jun 30, 2019 |
| 10-K/A | Amended annual report | Dec 13, 2019 | Mar 31, 2019 |
| UPLOAD | Letter from the SEC | Dec 3, 2019 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 2, 2019 | Dec 2, 2019 |
| 10-Q | Quarterly report | Nov 6, 2019 | Sep 30, 2019 |
| 8-K |
Current report
Results of operations
|
Nov 6, 2019 | Nov 6, 2019 |
| 8-K |
Current report
Shareholder vote results
|
Nov 5, 2019 | Nov 5, 2019 |
| 8-K |
Current report
Material agreement, Agreement ended, Acquisition or sale of assets, Regulation FD disclosure
|
Nov 4, 2019 | Oct 30, 2019 |
| DEFA14A | Additional proxy material | Oct 4, 2019 | — |
| DEF 14A | Proxy statement | Sep 25, 2019 | Nov 5, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 14, 2019 | Aug 14, 2019 |
| 8-K |
Current report
Material agreement, New debt
|
Aug 12, 2019 | Aug 7, 2019 |
| 424B5 | Prospectus supplement | Aug 8, 2019 | — |
| 424B5 | Prospectus supplement | Aug 8, 2019 | — |
| FWP | Free writing prospectus | Aug 8, 2019 | — |
| 424B5 | Prospectus supplement | Aug 6, 2019 | — |
| 424B5 | Prospectus supplement | Aug 6, 2019 | — |
| S-3ASR | Automatic shelf registration | Aug 6, 2019 | — |
| 8-K/A |
Amended current report
Other events
|
Aug 5, 2019 | Jun 5, 2019 |
| 10-Q | Quarterly report | Jul 30, 2019 | Jun 30, 2019 |
| 8-K |
Current report
Results of operations
|
Jul 30, 2019 | Jul 30, 2019 |
| 10-K/A | Amended annual report | Jul 18, 2019 | Mar 31, 2019 |
| 8-K |
Current report
Other events
|
Jun 5, 2019 | Jun 5, 2019 |
| 10-K | Annual report | Jun 3, 2019 | Mar 31, 2019 |
| 8-K |
Current report
Results of operations
|
Jun 3, 2019 | Jun 3, 2019 |
| SD | Specialized disclosure (conflict minerals) | May 30, 2019 | — |
| 8-K |
Current report
Bylaw or fiscal year change
|
May 10, 2019 | May 7, 2019 |
| 8-K |
Current report
Officer or director change
|
Mar 6, 2019 | Mar 4, 2019 |
| 8-K |
Current report
Results of operations
|
Feb 4, 2019 | Feb 4, 2019 |
| 10-Q | Quarterly report | Feb 4, 2019 | Dec 31, 2018 |
| 8-K |
Current report
Officer or director change
|
Jan 24, 2019 | Jan 23, 2019 |
| 8-K |
Current report
Other events
|
Jan 9, 2019 | Jan 8, 2019 |
| 8-K |
Current report
Other events
|
Nov 29, 2018 | Nov 27, 2018 |
| 8-K/A |
Amended current report
Shareholder vote results
|
Nov 6, 2018 | Oct 30, 2018 |
| 10-Q | Quarterly report | Oct 31, 2018 | Sep 30, 2018 |
| 8-K |
Current report
Results of operations
|
Oct 31, 2018 | Oct 31, 2018 |
| 8-K |
Current report
Shareholder vote results
|
Oct 30, 2018 | Oct 30, 2018 |
| 8-K |
Current report
Auditor change
|
Oct 4, 2018 | Oct 1, 2018 |
| DEFR14A | Form defr14a | Sep 26, 2018 | — |
| DEF 14A | Proxy statement | Sep 20, 2018 | Oct 30, 2018 |
| 10-Q | Quarterly report | Jul 31, 2018 | Jun 30, 2018 |
| 8-K |
Current report
Results of operations
|
Jul 31, 2018 | Jul 31, 2018 |
| RW | Form rw | Jul 30, 2018 | — |
| 424B3 | Prospectus | Jun 22, 2018 | — |
| EFFECT | Filing | Jun 20, 2018 | — |
| 8-K |
Current report
Officer or director change
|
Jun 11, 2018 | Jun 5, 2018 |
| 8-K |
Current report
Other events
|
Jun 7, 2018 | Jun 7, 2018 |
| S-3 | Shelf registration | Jun 6, 2018 | — |
| 10-K | Annual report | Jun 5, 2018 | Mar 31, 2018 |
| 8-K |
Current report
Results of operations
|
Jun 5, 2018 | Jun 5, 2018 |
| RW | Form rw | May 30, 2018 | — |
| POS AM | Form pos am | May 30, 2018 | — |
| SD | Specialized disclosure (conflict minerals) | May 29, 2018 | — |
| 8-K |
Current report
Other events
|
May 9, 2018 | May 9, 2018 |
| 8-K |
Current report
Officer or director change
|
Apr 11, 2018 | Apr 6, 2018 |
| 10-Q | Quarterly report | Feb 6, 2018 | Dec 31, 2017 |
| 8-K |
Current report
Results of operations
|
Feb 5, 2018 | Feb 5, 2018 |
| 8-K |
Current report
Other events
|
Jan 16, 2018 | Jan 12, 2018 |
| 8-K |
Current report
Other events
|
Nov 8, 2017 | Nov 7, 2017 |
| 10-Q | Quarterly report | Nov 6, 2017 | Sep 30, 2017 |
| 8-K |
Current report
Results of operations
|
Nov 6, 2017 | Nov 6, 2017 |
| 8-K |
Current report
Shareholder vote results
|
Nov 2, 2017 | Nov 2, 2017 |
| 8-K |
Current report
Other events
|
Oct 10, 2017 | Sep 29, 2017 |
| 8-K |
Current report
Other events
|
Oct 5, 2017 | Oct 2, 2017 |
| DEF 14A | Proxy statement | Sep 20, 2017 | Nov 2, 2017 |
| 8-K |
Current report
Other events
|
Sep 19, 2017 | Sep 19, 2017 |
| 8-K |
Current report
Officer or director change
|
Sep 1, 2017 | Sep 1, 2017 |
| 10-Q | Quarterly report | Aug 1, 2017 | Jun 30, 2017 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Industrial Instruments For Measurement, Display, and Control (SIC 3823)
- Listed as
- MLAB (Nasdaq)
- Fiscal year ends
- March 31
- Incorporated in
- CO
- Headquarters
- Lakewood, CO
- SEC filer status
- Accelerated filer
- SEC CIK
- 724004
- Former names
- MESA LABORATORIES INC /CO (until Aug 28, 2020)
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All 18 Industrial Instruments For Measurement, Display, and Control companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.