MESA LABS INC

Ticker: MLAB CUSIP: 59064R109 Class: Common Stock

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

Note: Option positions (PUT/CALL) are excluded.

Q2 2025

Shares 22,471 Value ($000) $2,117 Avg Close $109.15 Range $87.42 - $130.43

Q4 2024

Shares 14,314 Value ($000) $1,888 Avg Close $121.79 Range $97.08 - $139.36

Q1 2023

Shares 2,435 Value ($000) $425 Avg Close $176.11 Range $151.50 - $202.76

Q4 2022

Shares 4,164 Value ($000) $692 Avg Close $153.87 Range $112.11 - $186.80

Q1 2020

Shares 24,941 Value ($000) $5,639 Avg Close $240.43 Range $177.40 - $264.58

Q4 2019

Shares 25,335 Value ($000) $6,318 Avg Close $228.21 Range $201.87 - $248.54

Q3 2019

Shares 25,557 Value ($000) $6,077 Avg Close $225.06 Range $200.11 - $261.29

Q2 2019

Shares 28,065 Value ($000) $6,858 Avg Close $226.56 Range $176.37 - $256.07

Q1 2019

Shares 26,760 Value ($000) $6,169 Avg Close $219.75 Range $195.71 - $235.22

Q4 2018

Shares 25,369 Value ($000) $5,286 Avg Close $189.46 Range $162.53 - $218.23

Q3 2018

Shares 29,406 Value ($000) $5,458 Avg Close $195.39 Range $165.11 - $218.31

Q2 2018

Shares 24,472 Value ($000) $5,165 Avg Close $169.69 Range $134.32 - $207.68

Q1 2018

Shares 5,625 Value ($000) $836 Avg Close $132.07 Range $118.48 - $150.10

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	22,471	$2,117	$109.15	$87.42 - $130.43
Q4 2024	14,314	$1,888	$121.79	$97.08 - $139.36
Q1 2023	2,435	$425	$176.11	$151.50 - $202.76
Q4 2022	4,164	$692	$153.87	$112.11 - $186.80
Q1 2020	24,941	$5,639	$240.43	$177.40 - $264.58
Q4 2019	25,335	$6,318	$228.21	$201.87 - $248.54
Q3 2019	25,557	$6,077	$225.06	$200.11 - $261.29
Q2 2019	28,065	$6,858	$226.56	$176.37 - $256.07
Q1 2019	26,760	$6,169	$219.75	$195.71 - $235.22
Q4 2018	25,369	$5,286	$189.46	$162.53 - $218.23
Q3 2018	29,406	$5,458	$195.39	$165.11 - $218.31
Q2 2018	24,472	$5,165	$169.69	$134.32 - $207.68
Q1 2018	5,625	$836	$132.07	$118.48 - $150.10