Mesa Laboratories Inc /Co/

Symbol
MLAB on Nasdaq
Entity
Company
Business address
12100 W 6 Th Ave, 80228 Lakewood, CO
Phone
3039878000
State of incorporation
CO
Fiscal year end
March 31
Category
Accelerated filer
Signature Ownership
John Sakys under Power of Attorney by Evan Guillemin
All SEC filings
View on sec.gov
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Mesa Laboratories Inc /Co/ has filed 1,259 SEC EDGAR filings since 12/11/1995

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
8-K Open Document | Data Open Filing FORM 8-K Aug 25, 2025 Aug 22, 2025 000-11740
4 Open Document Open Filing PRIMARY DOCUMENT Aug 18, 2025 Aug 18, 2025
4 Open Document Open Filing PRIMARY DOCUMENT Aug 18, 2025 Aug 15, 2025
8-K Open Document | Data Open Filing FORM 8-K Aug 18, 2025 Aug 12, 2025 000-11740
4 Open Document Open Filing PRIMARY DOCUMENT Aug 18, 2025 Aug 15, 2025
4 Open Document Open Filing PRIMARY DOCUMENT Aug 18, 2025 Aug 15, 2025
4 Open Document Open Filing PRIMARY DOCUMENT Aug 18, 2025 Aug 15, 2025
4 Open Document Open Filing PRIMARY DOCUMENT Aug 18, 2025 Aug 15, 2025
10-Q Open Document | Data Open Filing FORM 10-Q Aug 5, 2025 Jun 30, 2025 000-11740
8-K Open Document | Data Open Filing FORM 8-K Aug 5, 2025 Aug 5, 2025 000-11740
SCHEDULE 13G/A Open Document Open Filing Jul 18, 2025 005-35904
DEF 14A Open Document | Data Open Filing FORM DEF 14A Jul 11, 2025 Aug 22, 2025 000-11740
4 Open Document Open Filing PRIMARY DOCUMENT Jun 25, 2025 Jun 21, 2025
4 Open Document Open Filing PRIMARY DOCUMENT Jun 25, 2025 Jun 21, 2025
4 Open Document Open Filing PRIMARY DOCUMENT Jun 24, 2025 Jun 20, 2025
4 Open Document Open Filing PRIMARY DOCUMENT Jun 20, 2025 Jun 18, 2025
4 Open Document Open Filing PRIMARY DOCUMENT Jun 20, 2025 Jun 18, 2025
4 Open Document Open Filing PRIMARY DOCUMENT Jun 20, 2025 Jun 18, 2025
4 Open Document Open Filing PRIMARY DOCUMENT Jun 18, 2025 Jun 15, 2025
4 Open Document Open Filing PRIMARY DOCUMENT Jun 18, 2025 Jun 15, 2025
4 Open Document Open Filing PRIMARY DOCUMENT Jun 18, 2025 Jun 15, 2025
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4 Open Document Open Filing PRIMARY DOCUMENT Jun 18, 2025 Jun 15, 2025
4 Open Document Open Filing PRIMARY DOCUMENT Jun 18, 2025 Jun 15, 2025
144 Open Document Open Filing Jun 16, 2025 000-11740
144 Open Document Open Filing Jun 16, 2025 000-11740
144 Open Document Open Filing Jun 16, 2025 000-11740
4 Open Document Open Filing PRIMARY DOCUMENT Jun 11, 2025 Jun 10, 2025
4 Open Document Open Filing PRIMARY DOCUMENT Jun 11, 2025 Jun 10, 2025
4 Open Document Open Filing PRIMARY DOCUMENT Jun 11, 2025 Jun 10, 2025
8-K Open Document | Data Open Filing FORM 8-K Jun 6, 2025 Jun 3, 2025 000-11740
10-K Open Document | Data Open Filing FORM 10-K May 28, 2025 Mar 31, 2025 000-11740
8-K Open Document | Data Open Filing FORM 8-K May 28, 2025 May 28, 2025 000-11740
SCHEDULE 13G/A Open Document Open Filing Apr 30, 2025 005-35904
4 Open Document Open Filing PRIMARY DOCUMENT Mar 24, 2025 Mar 19, 2025
144 Open Document Open Filing Mar 19, 2025 000-11740
10-Q Open Document | Data Open Filing FORM 10-Q Feb 4, 2025 Dec 31, 2024 000-11740
8-K Open Document | Data Open Filing FORM 8-K Feb 4, 2025 Feb 4, 2025 000-11740
SCHEDULE 13G/A Open Document Open Filing Jan 28, 2025 005-35904
SCHEDULE 13G/A Open Document Open Filing Jan 10, 2025 005-35904
4 Open Document Open Filing PRIMARY DOCUMENT Nov 25, 2024 Nov 19, 2024
10-Q Open Document | Data Open Filing FORM 10-Q Nov 7, 2024 Sep 30, 2024 000-11740
8-K Open Document | Data Open Filing FORM 8-K Nov 7, 2024 Nov 7, 2024 000-11740
4 Open Document Open Filing PRIMARY DOCUMENT Oct 29, 2024 Oct 27, 2024
144 Open Document Open Filing Oct 29, 2024 000-11740
144 Open Document Open Filing Oct 28, 2024 000-11740
SC 13G/A Open Document Open Filing Oct 15, 2024 005-35904
4 Open Document Open Filing PRIMARY DOCUMENT Sep 16, 2024 Sep 13, 2024
144 Open Document Open Filing Sep 13, 2024 000-11740
8-K Open Document | Data Open Filing FORM 8-K Sep 11, 2024 Sep 6, 2024 000-11740
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4 Open Document Open Filing PRIMARY DOCUMENT Sep 6, 2024 Sep 6, 2024
4 Open Document Open Filing PRIMARY DOCUMENT Sep 6, 2024 Sep 1, 2024
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4 Open Document Open Filing PRIMARY DOCUMENT Sep 6, 2024 Sep 1, 2024
8-K Open Document | Data Open Filing FORM 8-K Aug 30, 2024 Aug 30, 2024 000-11740
4 Open Document Open Filing PRIMARY DOCUMENT Aug 19, 2024 Aug 15, 2024
4 Open Document Open Filing PRIMARY DOCUMENT Aug 19, 2024 Aug 15, 2024
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10-Q Open Document | Data Open Filing FORM 10-Q Aug 5, 2024 Jun 30, 2024 000-11740
8-K Open Document | Data Open Filing FORM 8-K Aug 5, 2024 Aug 5, 2024 000-11740
DEF 14A Open Document | Data Open Filing FORM DEF 14A Jul 19, 2024 Aug 30, 2024 000-11740
10-K Open Document | Data Open Filing FORM 10-K Jun 28, 2024 Mar 31, 2024 000-11740
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4 Open Document Open Filing PRIMARY DOCUMENT Jun 21, 2024 Jun 18, 2024
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NT 10-K Open Document Open Filing FORM NT 10-K Jun 14, 2024 Mar 31, 2024 000-11740
8-K Open Document | Data Open Filing FORM 8-K Jun 5, 2024 Jun 5, 2024 000-11740
8-K Open Document | Data Open Filing FORM 8-K Apr 8, 2024 Apr 5, 2024 000-11740
4 Open Document Open Filing PRIMARY DOCUMENT Apr 3, 2024 Apr 2, 2024
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UPLOAD Open Document Open Filing Apr 2, 2024 000-11740
8-K Open Document | Data Open Filing FORM 8-K Apr 2, 2024 Apr 1, 2024 000-11740
4 Open Document Open Filing PRIMARY DOCUMENT Mar 26, 2024 Jan 8, 2024
CORRESP Open Document Open Filing Mar 25, 2024
UPLOAD Open Document Open Filing Mar 20, 2024 000-11740
CORRESP Open Document Open Filing Mar 15, 2024
UPLOAD Open Document Open Filing Mar 6, 2024 000-11740
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3 Open Document Open Filing PRIMARY DOCUMENT Feb 16, 2024 Jan 8, 2024
SC 13G/A Open Document Open Filing SCHEDULE 13G/A Feb 13, 2024 005-35904
10-Q Open Document | Data Open Filing FORM 10-Q Feb 5, 2024 Dec 31, 2023 000-11740
8-K Open Document | Data Open Filing FORM 8-K Feb 5, 2024 Feb 5, 2024 000-11740
SC 13G/A Open Document Open Filing Jan 23, 2024 005-35904
SC 13G/A Open Document Open Filing Jan 22, 2024 005-35904
8-K Open Document | Data Open Filing FORM 8-K Jan 8, 2024 Jan 5, 2024 000-11740
SC 13G/A Open Document Open Filing CONESTOGA CAPITAL ADVISORS Jan 5, 2024 005-35904
4 Open Document Open Filing PRIMARY DOCUMENT Dec 19, 2023 Dec 15, 2023
144 Open Document Open Filing Dec 15, 2023 000-11740
4 Open Document Open Filing PRIMARY DOCUMENT Nov 14, 2023 Nov 9, 2023
10-Q Open Document | Data Open Filing FORM 10-Q Nov 6, 2023 Sep 30, 2023 000-11740
8-K Open Document | Data Open Filing FORM 8-K Nov 6, 2023 Nov 6, 2023 000-11740
8-K Open Document | Data Open Filing FORM 8-K Oct 18, 2023 Oct 16, 2023 000-11740
8-K Open Document | Data Open Filing FORM 8-K Oct 10, 2023 Oct 5, 2023 000-11740
4 Open Document Open Filing PRIMARY DOCUMENT Sep 19, 2023 Sep 14, 2023
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144 Open Document Open Filing Sep 13, 2023 000-11740
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4 Open Document Open Filing PRIMARY DOCUMENT Sep 5, 2023 Sep 1, 2023
144 Open Document Open Filing Sep 1, 2023 000-11740
8-K Open Document | Data Open Filing FORM 8-K Aug 30, 2023 Aug 30, 2023 000-11740
S-8 Open Document Open Filing FORM S-8 Aug 30, 2023 333-274263
8-K Open Document | Data Open Filing FORM 8-K Aug 25, 2023 Aug 25, 2023 000-11740
4 Open Document Open Filing PRIMARY DOCUMENT Aug 16, 2023 Aug 16, 2023
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10-Q Open Document | Data Open Filing FORM 10-Q Aug 3, 2023 Jun 30, 2023 000-11740
8-K Open Document | Data Open Filing FORM 8-K Aug 3, 2023 Aug 3, 2023 000-11740
PX14A6G Open Document Open Filing Jul 31, 2023 000-11740
DEF 14A Open Document | Data Open Filing FORM DEF 14A Jul 14, 2023 Aug 25, 2023 000-11740
PRE 14A Open Document | Data Open Filing FORM PRE 14A Jul 3, 2023 Aug 25, 2023 000-11740
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10-K Open Document | Data Open Filing FORM 10-K May 30, 2023 Mar 31, 2023 000-11740
8-K Open Document | Data Open Filing FORM 8-K May 25, 2023 May 25, 2023 000-11740
8-K Open Document | Data Open Filing FORM 8-K May 8, 2023 May 3, 2023 000-11740
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144 Open Document Open Filing Mar 24, 2023 000-11740
144 Open Document Open Filing Mar 22, 2023 000-11740
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144 Open Document Open Filing Mar 15, 2023 000-11740
8-K Open Document | Data Open Filing FORM 8-K Mar 13, 2023 Mar 10, 2023 000-11740
4 Open Document Open Filing PRIMARY DOCUMENT Mar 9, 2023 Mar 9, 2023
144 Open Document Open Filing Mar 9, 2023 000-11740
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SC 13G/A Open Document Open Filing SCHEDULE 13G/A Feb 9, 2023 005-35904
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8-K Open Document | Data Open Filing FORM 8-K Feb 6, 2023 Feb 6, 2023 000-11740
10-Q Open Document | Data Open Filing FORM 10-Q Feb 6, 2023 Dec 31, 2022 000-11740
SC 13G/A Open Document Open Filing SEC SCHEDULE 13G Feb 2, 2023 005-35904
SC 13G/A Open Document Open Filing Jan 27, 2023 005-35904
SC 13G/A Open Document Open Filing Jan 26, 2023 005-35904
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SC 13G/A Open Document Open Filing Jan 20, 2023 005-35904
SC 13G/A Open Document Open Filing CONESTOGA CAPITAL ADVISORS Jan 18, 2023 005-35904
4/A Open Document Open Filing PRIMARY DOCUMENT Jan 17, 2023 Jan 13, 2023
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8-K/A Open Document | Data Open Filing FORM 8-K/A Jan 4, 2023 Aug 26, 2022 000-11740
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8-K Open Document | Data Open Filing FORM 8-K Nov 21, 2022 Nov 16, 2022 000-11740
4 Open Document Open Filing PRIMARY DOCUMENT Nov 21, 2022 Nov 11, 2022
SC 13G/A Open Document Open Filing CONESTOGA CAPITAL ADVISORS Nov 18, 2022 005-35904
8-K Open Document | Data Open Filing FORM 8-K Nov 4, 2022 Nov 3, 2022 000-11740
8-K/A Open Document | Data Open Filing FORM 8-K/A Nov 4, 2022 Jun 23, 2022 000-11740
8-K Open Document | Data Open Filing FORM 8-K Nov 3, 2022 Nov 3, 2022 000-11740
10-Q Open Document | Data Open Filing FORM 10-Q Nov 3, 2022 Sep 30, 2022 000-11740
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8-K Open Document | Data Open Filing FORM 8-K Aug 26, 2022 Aug 26, 2022 000-11740
DEFA14A Open Document Open Filing FORM DEFA14A Aug 23, 2022 000-11740
DEFA14A Open Document Open Filing FORM DEFA14A Aug 22, 2022 000-11740
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10-Q Open Document | Data Open Filing FORM 10-Q Aug 4, 2022 Jun 30, 2022 000-11740
8-K Open Document | Data Open Filing FORM 8-K Aug 4, 2022 Aug 4, 2022 000-11740
DEF 14A Open Document Open Filing FORM DEF 14A Jul 14, 2022 Aug 26, 2022 000-11740
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8-K Open Document | Data Open Filing FORM 8-K Jun 27, 2022 Jun 23, 2022 000-11740
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4 Open Document Open Filing PRIMARY DOCUMENT Jun 16, 2022 Jun 15, 2022 000-11740
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10-K Open Document | Data Open Filing FORM 10-K May 31, 2022 Mar 31, 2022 000-11740
8-K Open Document | Data Open Filing FORM 8-K May 31, 2022 May 31, 2022 000-11740
SD Open Document Open Filing FORM SD May 31, 2022 000-11740
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8-K Open Document | Data Open Filing FORM 8-K Apr 11, 2022 Apr 8, 2022 000-11740
8-K Open Document | Data Open Filing FORM 8-K Apr 5, 2022 Apr 5, 2022 000-11740
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S-3ASR Open Document Open Filing S-3ASR Apr 5, 2022 333-264137
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8-K Open Document | Data Open Filing FORM 8-K Mar 30, 2022 Mar 30, 2022 000-11740
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10-Q Open Document | Data Open Filing FORM 10-Q Feb 3, 2022 Dec 31, 2021 000-11740
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8-K Open Document | Data Open Filing FORM 8-K Dec 23, 2021 Dec 23, 2021 000-11740
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10-Q Open Document | Data Open Filing FORM 10-Q Nov 4, 2021 Sep 30, 2021 000-11740
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10-Q Open Document | Data Open Filing FORM 10-Q Aug 5, 2021 Jun 30, 2021 000-11740
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