SEC Filings for MESA LABORATORIES INC /CO/ (MLAB)

Last updated: 2026-03-27 17:10 UTC | Total filings: 1005

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SCHEDULE 13G/A March 27, 2026 - View Document
8-K March 23, 2026 FORM 8-K View Document
SCHEDULE 13G March 13, 2026 - View Document
4 March 10, 2026 PRIMARY DOCUMENT View Document
4 March 10, 2026 PRIMARY DOCUMENT View Document
4 March 10, 2026 PRIMARY DOCUMENT View Document
8-K March 9, 2026 FORM 8-K View Document
10-Q Feb. 3, 2026 FORM 10-Q View Document
8-K Feb. 3, 2026 FORM 8-K View Document
4 Dec. 5, 2025 PRIMARY DOCUMENT View Document
8-K Nov. 6, 2025 FORM 8-K View Document
10-Q Nov. 6, 2025 FORM 10-Q View Document
SCHEDULE 13G/A Oct. 31, 2025 - View Document
4 Oct. 28, 2025 PRIMARY DOCUMENT View Document
8-K Aug. 25, 2025 FORM 8-K View Document
4 Aug. 18, 2025 PRIMARY DOCUMENT View Document
8-K Aug. 18, 2025 FORM 8-K View Document
4 Aug. 18, 2025 PRIMARY DOCUMENT View Document
4 Aug. 18, 2025 PRIMARY DOCUMENT View Document
4 Aug. 18, 2025 PRIMARY DOCUMENT View Document
4 Aug. 18, 2025 PRIMARY DOCUMENT View Document
4 Aug. 18, 2025 PRIMARY DOCUMENT View Document
10-Q Aug. 5, 2025 FORM 10-Q View Document
8-K Aug. 5, 2025 FORM 8-K View Document
DEF 14A July 11, 2025 FORM DEF 14A View Document
4 June 25, 2025 PRIMARY DOCUMENT View Document
4 June 25, 2025 PRIMARY DOCUMENT View Document
4 June 24, 2025 PRIMARY DOCUMENT View Document
4 June 20, 2025 PRIMARY DOCUMENT View Document
4 June 20, 2025 PRIMARY DOCUMENT View Document
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4 June 18, 2025 PRIMARY DOCUMENT View Document
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4 June 18, 2025 PRIMARY DOCUMENT View Document
4 June 18, 2025 PRIMARY DOCUMENT View Document
4 June 18, 2025 PRIMARY DOCUMENT View Document
4 June 18, 2025 PRIMARY DOCUMENT View Document
144 June 16, 2025 - View Document
144 June 16, 2025 - View Document
144 June 16, 2025 - View Document
4 June 11, 2025 PRIMARY DOCUMENT View Document
4 June 11, 2025 PRIMARY DOCUMENT View Document
4 June 11, 2025 PRIMARY DOCUMENT View Document
8-K June 6, 2025 FORM 8-K View Document
8-K May 28, 2025 FORM 8-K View Document
10-K May 28, 2025 FORM 10-K View Document
SCHEDULE 13G/A April 30, 2025 - View Document
4 March 24, 2025 PRIMARY DOCUMENT View Document
144 March 19, 2025 - View Document
8-K Feb. 4, 2025 FORM 8-K View Document
10-Q Feb. 4, 2025 FORM 10-Q View Document
SCHEDULE 13G/A Jan. 28, 2025 - View Document
SCHEDULE 13G/A Jan. 10, 2025 - View Document
4 Nov. 25, 2024 PRIMARY DOCUMENT View Document
10-Q Nov. 7, 2024 FORM 10-Q View Document
8-K Nov. 7, 2024 FORM 8-K View Document
144 Oct. 29, 2024 - View Document
4 Oct. 29, 2024 PRIMARY DOCUMENT View Document
144 Oct. 28, 2024 - View Document
SC 13G/A Oct. 15, 2024 - View Document
4 Sept. 16, 2024 PRIMARY DOCUMENT View Document
144 Sept. 13, 2024 - View Document
8-K Sept. 11, 2024 FORM 8-K View Document
4 Sept. 6, 2024 PRIMARY DOCUMENT View Document
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4 Sept. 6, 2024 PRIMARY DOCUMENT View Document
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8-K Aug. 30, 2024 FORM 8-K View Document
4 Aug. 19, 2024 PRIMARY DOCUMENT View Document
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4 Aug. 19, 2024 PRIMARY DOCUMENT View Document
4 Aug. 19, 2024 PRIMARY DOCUMENT View Document
10-Q Aug. 5, 2024 FORM 10-Q View Document
8-K Aug. 5, 2024 FORM 8-K View Document
DEF 14A July 19, 2024 FORM DEF 14A View Document
10-K June 28, 2024 FORM 10-K View Document
4 June 21, 2024 PRIMARY DOCUMENT View Document
4 June 21, 2024 PRIMARY DOCUMENT View Document
4 June 21, 2024 PRIMARY DOCUMENT View Document
4 June 17, 2024 PRIMARY DOCUMENT View Document
4 June 17, 2024 PRIMARY DOCUMENT View Document
4 June 17, 2024 PRIMARY DOCUMENT View Document
NT 10-K June 14, 2024 FORM NT 10-K View Document
8-K June 5, 2024 FORM 8-K View Document
8-K April 8, 2024 FORM 8-K View Document
4 April 3, 2024 PRIMARY DOCUMENT View Document
4 April 3, 2024 PRIMARY DOCUMENT View Document
4 April 3, 2024 PRIMARY DOCUMENT View Document
4 April 3, 2024 PRIMARY DOCUMENT View Document
UPLOAD April 2, 2024 - View Document
8-K April 2, 2024 FORM 8-K View Document
4 March 26, 2024 PRIMARY DOCUMENT View Document
CORRESP March 25, 2024 - View Document
UPLOAD March 20, 2024 - View Document
CORRESP March 15, 2024 - View Document
UPLOAD March 6, 2024 - View Document
4 Feb. 16, 2024 PRIMARY DOCUMENT View Document
3 Feb. 16, 2024 PRIMARY DOCUMENT View Document
SC 13G/A Feb. 13, 2024 SCHEDULE 13G/A View Document
10-Q Feb. 5, 2024 FORM 10-Q View Document
8-K Feb. 5, 2024 FORM 8-K View Document
SC 13G/A Jan. 23, 2024 - View Document
SC 13G/A Jan. 22, 2024 - View Document
8-K Jan. 8, 2024 FORM 8-K View Document
SC 13G/A Jan. 5, 2024 CONESTOGA CAPITAL ADVISORS View Document
4 Dec. 19, 2023 PRIMARY DOCUMENT View Document
144 Dec. 15, 2023 - View Document
4 Nov. 14, 2023 PRIMARY DOCUMENT View Document
10-Q Nov. 6, 2023 FORM 10-Q View Document
8-K Nov. 6, 2023 FORM 8-K View Document
8-K Oct. 18, 2023 FORM 8-K View Document
8-K Oct. 10, 2023 FORM 8-K View Document
4 Sept. 19, 2023 PRIMARY DOCUMENT View Document
4 Sept. 14, 2023 PRIMARY DOCUMENT View Document
144 Sept. 13, 2023 - View Document
4 Sept. 6, 2023 PRIMARY DOCUMENT View Document
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144 Sept. 1, 2023 - View Document
S-8 Aug. 30, 2023 FORM S-8 View Document
8-K Aug. 30, 2023 FORM 8-K View Document
8-K Aug. 25, 2023 FORM 8-K View Document
4 Aug. 16, 2023 PRIMARY DOCUMENT View Document
4 Aug. 16, 2023 PRIMARY DOCUMENT View Document
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10-Q Aug. 3, 2023 FORM 10-Q View Document
8-K Aug. 3, 2023 FORM 8-K View Document
PX14A6G July 31, 2023 - View Document
DEF 14A July 14, 2023 FORM DEF 14A View Document
PRE 14A July 3, 2023 FORM PRE 14A View Document
4 June 26, 2023 PRIMARY DOCUMENT View Document
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4 June 16, 2023 PRIMARY DOCUMENT View Document
10-K May 30, 2023 FORM 10-K View Document
8-K May 25, 2023 FORM 8-K View Document
8-K May 8, 2023 FORM 8-K View Document
4 March 27, 2023 PRIMARY DOCUMENT View Document
144 March 24, 2023 - View Document
144 March 22, 2023 - View Document
4 March 16, 2023 PRIMARY DOCUMENT View Document
144 March 15, 2023 - View Document
8-K March 13, 2023 FORM 8-K View Document
144 March 9, 2023 - View Document
4 March 9, 2023 PRIMARY DOCUMENT View Document
SC 13G/A Feb. 9, 2023 SCHEDULE 13G/A View Document
4 Feb. 9, 2023 PRIMARY DOCUMENT View Document
8-K Feb. 6, 2023 FORM 8-K View Document
4 Feb. 6, 2023 PRIMARY DOCUMENT View Document
10-Q Feb. 6, 2023 FORM 10-Q View Document
SC 13G/A Jan. 27, 2023 - View Document
SC 13G/A Jan. 26, 2023 - View Document
4 Jan. 25, 2023 PRIMARY DOCUMENT View Document
SC 13G/A Jan. 20, 2023 - View Document
SC 13G/A Jan. 18, 2023 CONESTOGA CAPITAL ADVISORS View Document
4/A Jan. 17, 2023 PRIMARY DOCUMENT View Document
4 Jan. 17, 2023 PRIMARY DOCUMENT View Document
8-K/A Jan. 4, 2023 FORM 8-K/A View Document
4 Dec. 14, 2022 PRIMARY DOCUMENT View Document
4 Dec. 9, 2022 PRIMARY DOCUMENT View Document
4 Nov. 29, 2022 PRIMARY DOCUMENT View Document
4 Nov. 21, 2022 PRIMARY DOCUMENT View Document
8-K Nov. 21, 2022 FORM 8-K View Document
SC 13G/A Nov. 18, 2022 CONESTOGA CAPITAL ADVISORS View Document
8-K Nov. 4, 2022 FORM 8-K View Document
8-K/A Nov. 4, 2022 FORM 8-K/A View Document
8-K Nov. 3, 2022 FORM 8-K View Document
10-Q Nov. 3, 2022 FORM 10-Q View Document
4 Sept. 2, 2022 PRIMARY DOCUMENT View Document
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8-K Aug. 26, 2022 FORM 8-K View Document
DEFA14A Aug. 23, 2022 FORM DEFA14A View Document
DEFA14A Aug. 22, 2022 FORM DEFA14A View Document
4 Aug. 19, 2022 PRIMARY DOCUMENT View Document
4 Aug. 18, 2022 PRIMARY DOCUMENT View Document
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4/A Aug. 17, 2022 PRIMARY DOCUMENT View Document
4 Aug. 17, 2022 PRIMARY DOCUMENT View Document
4 Aug. 16, 2022 PRIMARY DOCUMENT View Document
4 Aug. 9, 2022 FORM 4 View Document
8-K Aug. 4, 2022 FORM 8-K View Document
10-Q Aug. 4, 2022 FORM 10-Q View Document
DEF 14A July 14, 2022 FORM DEF 14A View Document
3 July 11, 2022 PRIMARY DOCUMENT View Document
4 July 6, 2022 PRIMARY DOCUMENT View Document
8-K June 27, 2022 FORM 8-K View Document
4 June 22, 2022 PRIMARY DOCUMENT View Document
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4 June 13, 2022 PRIMARY DOCUMENT View Document
4/A June 13, 2022 PRIMARY DOCUMENT View Document
8-K May 31, 2022 FORM 8-K View Document
10-K May 31, 2022 FORM 10-K View Document
SD May 31, 2022 FORM SD View Document
4 April 22, 2022 PRIMARY DOCUMENT View Document
8-K April 11, 2022 FORM 8-K View Document
8-K April 5, 2022 FORM 8-K View Document
424B5 April 5, 2022 424B5 View Document
S-3ASR April 5, 2022 S-3ASR View Document
4 March 31, 2022 PRIMARY DOCUMENT View Document
8-K March 30, 2022 FORM 8-K View Document
4 March 25, 2022 PRIMARY DOCUMENT View Document
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4 Feb. 16, 2022 PRIMARY DOCUMENT View Document
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SC 13G/A Feb. 14, 2022 - View Document
SC 13G/A Feb. 10, 2022 SCHEDULE 13G/A View Document
10-Q Feb. 3, 2022 FORM 10-Q View Document
8-K Feb. 3, 2022 FORM 8-K View Document
SC 13G/A Jan. 27, 2022 - View Document
SC 13G/A Jan. 25, 2022 - View Document
SC 13G/A Jan. 21, 2022 - View Document
SC 13G/A Jan. 10, 2022 CONESTOGA CAPITAL ADVISORS View Document
4 Jan. 4, 2022 PRIMARY DOCUMENT View Document
8-K Dec. 23, 2021 FORM 8-K View Document
8-K/A Dec. 22, 2021 FORM 8-K/A View Document
4 Dec. 15, 2021 PRIMARY DOCUMENT View Document
4 Dec. 10, 2021 PRIMARY DOCUMENT View Document
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4 Nov. 19, 2021 FORM 4 View Document
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3 Nov. 8, 2021 PRIMARY DOCUMENT View Document
10-Q Nov. 4, 2021 FORM 10-Q View Document
8-K Nov. 4, 2021 FORM 8-K View Document
8-K Oct. 29, 2021 FORM 8-K View Document
4 Oct. 25, 2021 PRIMARY DOCUMENT View Document
8-K Oct. 21, 2021 FORM 8-K View Document
4 Oct. 4, 2021 PRIMARY DOCUMENT View Document
8-K Sept. 29, 2021 FORM 8-K View Document
8-K Sept. 14, 2021 FORM 8-K View Document
4 Sept. 10, 2021 PRIMARY DOCUMENT View Document
8-K Sept. 3, 2021 FORM 8-K View Document
4 Sept. 1, 2021 PRIMARY DOCUMENT View Document
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S-8 Aug. 30, 2021 FORM S-8 View Document
8-K Aug. 27, 2021 FORM 8-K View Document
4 Aug. 19, 2021 PRIMARY DOCUMENT View Document
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8-K Aug. 5, 2021 FORM 8-K View Document
10-Q Aug. 5, 2021 FORM 10-Q View Document
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4 July 19, 2021 PRIMARY DOCUMENT View Document
DEF 14A July 16, 2021 FORM DEF 14A View Document
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10-K June 1, 2021 FORM 10-K View Document
8-K June 1, 2021 FORM 8-K View Document
SD May 28, 2021 FORM SD View Document
4 May 18, 2021 PRIMARY DOCUMENT View Document
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4 May 7, 2021 PRIMARY DOCUMENT View Document
4 May 5, 2021 PRIMARY DOCUMENT View Document
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4/A April 12, 2021 PRIMARY DOCUMENT View Document
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8-K March 8, 2021 FORM 8-K View Document
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SC 13G/A Feb. 16, 2021 - View Document
4 Feb. 10, 2021 PRIMARY DOCUMENT View Document
SC 13G/A Feb. 10, 2021 SCHEDULE 13G/A View Document
8-K Feb. 3, 2021 FORM 8-K View Document
10-Q Feb. 3, 2021 FORM 10-Q View Document
4 Feb. 1, 2021 PRIMARY DOCUMENT View Document
SC 13G/A Jan. 27, 2021 - View Document
SC 13G/A Jan. 26, 2021 - View Document
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SC 13G/A Jan. 6, 2021 CONESTOGA CAPITAL ADVISORS View Document
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4 Nov. 13, 2020 FORM 4 View Document
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10-Q Nov. 5, 2020 FORM 10-Q View Document
8-K Nov. 5, 2020 FORM 8-K View Document
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4 Oct. 6, 2020 PRIMARY DOCUMENT View Document
4 Oct. 5, 2020 FORM 4 View Document
8-K Oct. 1, 2020 FORM 8-K View Document
4 Sept. 17, 2020 FORM 4 View Document
4 Sept. 8, 2020 PRIMARY DOCUMENT View Document
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8-K Aug. 28, 2020 FORM 8-K View Document
DEFA14A Aug. 20, 2020 FORM DEFA14A View Document
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4 Aug. 13, 2020 FORM 4 View Document
4 Aug. 13, 2020 FORM 4 View Document
8-K Aug. 6, 2020 FORM 8-K View Document
10-Q Aug. 6, 2020 FORM 10-Q View Document
DEF 14A July 17, 2020 FORM DEF 14A View Document
4 June 17, 2020 PRIMARY DOCUMENT View Document
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8-K June 12, 2020 FORM 8-K View Document
424B5 June 10, 2020 424B5 View Document
424B5 June 8, 2020 424B5 View Document
8-K June 4, 2020 FORM 8-K View Document
3 June 2, 2020 FORM 3 View Document
8-K June 1, 2020 FORM 8-K View Document
10-K June 1, 2020 FORM 10-K View Document
8-K June 1, 2020 FORM 8-K View Document
SD May 29, 2020 FORM SD View Document
8-K May 15, 2020 FORM 8-K View Document
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8-K April 2, 2020 FORM 8-K View Document
8-K March 30, 2020 FORM 8-K View Document
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SC 13G/A Feb. 14, 2020 - View Document
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SC 13G Feb. 11, 2020 SCHEDULE 13G View Document
10-Q Feb. 10, 2020 FORM 10-Q View Document
8-K Feb. 10, 2020 FORM 8-K View Document
SC 13G/A Feb. 4, 2020 - View Document
SC 13G/A Jan. 23, 2020 - View Document
SC 13G/A Jan. 17, 2020 CONESTOGA CAPITAL ADVISORS View Document
8-K/A Jan. 15, 2020 FORM 8-K/A View Document
4/A Dec. 30, 2019 PRIMARY DOCUMENT View Document
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UPLOAD Dec. 16, 2019 - View Document
10-K/A Dec. 13, 2019 FORM 10-K/A View Document
10-Q/A Dec. 13, 2019 FORM 10-Q/A View Document
10-Q/A Dec. 13, 2019 FORM 10-Q/A View Document
CORRESP Dec. 13, 2019 - View Document
UPLOAD Dec. 3, 2019 - View Document
8-K Dec. 2, 2019 FORM 8-K View Document
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8-K Nov. 6, 2019 FORM 8-K View Document
10-Q Nov. 6, 2019 FORM 10-Q View Document
8-K Nov. 5, 2019 FORM 8-K View Document
8-K Nov. 4, 2019 FORM 8-K View Document
DEFA14A Oct. 4, 2019 FORM DEFA14A View Document
DEF 14A Sept. 25, 2019 FORM DEF 14A View Document
4 Sept. 19, 2019 PRIMARY DOCUMENT View Document
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8-K Aug. 14, 2019 FORM 8-K View Document
8-K Aug. 12, 2019 8-K View Document
FWP Aug. 8, 2019 FWP View Document
424B5 Aug. 8, 2019 424B5 View Document
424B5 Aug. 8, 2019 424B5 View Document
S-3ASR Aug. 6, 2019 S-3ASR View Document
424B5 Aug. 6, 2019 424B5 View Document
424B5 Aug. 6, 2019 424B5 View Document
8-K/A Aug. 5, 2019 FORM 8-K/A View Document
8-K July 30, 2019 FORM 8-K View Document
10-Q July 30, 2019 FORM 10-Q View Document
10-K/A July 18, 2019 FORM 10-K/A View Document
SC 13G/A July 10, 2019 - View Document
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3/A June 18, 2019 PRIMARY DOCUMENT View Document
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3/A June 17, 2019 PRIMARY DOCUMENT View Document
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8-K June 5, 2019 FORM 8-K View Document
10-K June 3, 2019 FORM 10-K View Document
8-K June 3, 2019 FORM 8-K View Document
SD May 30, 2019 FORM SD View Document
8-K May 10, 2019 FORM 8-K View Document
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8-K March 6, 2019 FORM 8-K View Document
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SC 13G Feb. 14, 2019 - View Document
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SC 13G/A Feb. 13, 2019 - View Document
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SC 13G Feb. 8, 2019 - View Document
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8-K Feb. 4, 2019 FORM 8-K View Document
10-Q Feb. 4, 2019 FORM 10-Q View Document
3 Jan. 25, 2019 PRIMARY DOCUMENT View Document
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