MESA LABS INC

Ticker: MLAB CUSIP: 59064R109 Class: Common Stock

MARTINGALE ASSET MANAGEMENT L P's Holding History (CIK: 0000936944)

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

Q3 2022

Shares 1,450 Value ($000) $205 Avg Close $178.97 Range $133.61 - $212.24

Q2 2022

Shares 4,301 Value ($000) $878 Avg Close $214.62 Range $174.88 - $258.13

Q1 2022

Shares 4,301 Value ($000) $1,097 Avg Close $266.04 Range $239.75 - $326.08

Q4 2021

Shares 4,181 Value ($000) $1,373 Avg Close $307.32 Range $285.14 - $326.54

Q3 2021

Shares 4,281 Value ($000) $1,295 Avg Close $278.11 Range $257.33 - $318.62

Q2 2021

Shares 1,701 Value ($000) $463 Avg Close $248.03 Range $227.68 - $268.74

Q1 2021

Shares 1,801 Value ($000) $440 Avg Close $268.89 Range $231.88 - $300.91

Q4 2020

Shares 1,901 Value ($000) $546 Avg Close $268.73 Range $247.92 - $285.33

Q3 2020

Shares 10,301 Value ($000) $2,625 Avg Close $231.93 Range $202.54 - $252.24

Q2 2020

Shares 21,201 Value ($000) $4,598 Avg Close $224.85 Range $197.47 - $262.51

Q1 2020

Shares 19,601 Value ($000) $4,432 Avg Close $240.43 Range $177.40 - $264.58

Q4 2019

Shares 19,601 Value ($000) $4,889 Avg Close $228.21 Range $201.87 - $248.54

Q3 2019

Shares 18,701 Value ($000) $4,448 Avg Close $225.06 Range $200.11 - $261.29

Q2 2019

Shares 18,701 Value ($000) $4,571 Avg Close $226.56 Range $176.37 - $256.07

Q1 2019

Shares 18,601 Value ($000) $4,289 Avg Close $219.75 Range $195.71 - $235.22

Q3 2017

Shares 1,400 Value ($000) $210 Avg Close $136.33 Range $123.49 - $150.04

Q2 2017

Shares 8,101 Value ($000) $1,161 Avg Close $137.24 Range $116.47 - $164.05

Q3 2014

Shares 3,501 Value ($000) $203 Avg Close $68.77 Range $51.84 - $82.01

Q2 2014

Shares 3,501 Value ($000) $294 Avg Close $78.24 Range $70.63 - $86.28

Q1 2014

Shares 3,501 Value ($000) $316 Avg Close $80.28 Range $67.42 - $90.75

Q4 2013

Shares 3,501 Value ($000) $276 Avg Close $68.72 Range $61.20 - $78.13

Q3 2013

Shares 3,301 Value ($000) $224 Avg Close $60.15 Range $50.50 - $68.22

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2022	1,450	$205	$178.97	$133.61 - $212.24
Q2 2022	4,301	$878	$214.62	$174.88 - $258.13
Q1 2022	4,301	$1,097	$266.04	$239.75 - $326.08
Q4 2021	4,181	$1,373	$307.32	$285.14 - $326.54
Q3 2021	4,281	$1,295	$278.11	$257.33 - $318.62
Q2 2021	1,701	$463	$248.03	$227.68 - $268.74
Q1 2021	1,801	$440	$268.89	$231.88 - $300.91
Q4 2020	1,901	$546	$268.73	$247.92 - $285.33
Q3 2020	10,301	$2,625	$231.93	$202.54 - $252.24
Q2 2020	21,201	$4,598	$224.85	$197.47 - $262.51
Q1 2020	19,601	$4,432	$240.43	$177.40 - $264.58
Q4 2019	19,601	$4,889	$228.21	$201.87 - $248.54
Q3 2019	18,701	$4,448	$225.06	$200.11 - $261.29
Q2 2019	18,701	$4,571	$226.56	$176.37 - $256.07
Q1 2019	18,601	$4,289	$219.75	$195.71 - $235.22
Q3 2017	1,400	$210	$136.33	$123.49 - $150.04
Q2 2017	8,101	$1,161	$137.24	$116.47 - $164.05
Q3 2014	3,501	$203	$68.77	$51.84 - $82.01
Q2 2014	3,501	$294	$78.24	$70.63 - $86.28
Q1 2014	3,501	$316	$80.28	$67.42 - $90.75
Q4 2013	3,501	$276	$68.72	$61.20 - $78.13
Q3 2013	3,301	$224	$60.15	$50.50 - $68.22