MESA LABS INC

Ticker: MLAB CUSIP: 59064R109 Class: Common Stock

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

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

Q4 2025

Shares 14,892 Value ($000) $1,169 Avg Close $75.96 Range $66.39 - $83.18

Q3 2025

Shares 10,065 Value ($000) $674 Avg Close $71.72 Range $55.21 - $103.28

Q2 2025

Shares 29,778 Value ($000) $2,806 Avg Close $109.15 Range $87.42 - $130.43

Q1 2025

Shares 43,659 Value ($000) $5,181 Avg Close $135.40 Range $114.00 - $154.03

Q4 2024

Shares 38,359 Value ($000) $5,058 Avg Close $121.79 Range $97.08 - $139.36

Q3 2024

Shares 35,107 Value ($000) $4,559 Avg Close $116.53 Range $85.22 - $139.82

Q2 2024

Shares 28,815 Value ($000) $2,500 Avg Close $103.60 Range $82.88 - $122.43

Q1 2024

Shares 29,719 Value ($000) $3,261 Avg Close $99.55 Range $87.54 - $114.48

Q4 2023

Shares 28,828 Value ($000) $3,020 Avg Close $96.12 Range $81.68 - $118.22

Q3 2023

Shares 154,765 Value ($000) $16,260 Avg Close $126.18 Range $101.78 - $143.38

Q2 2023

Shares 158,637 Value ($000) $20,384 Avg Close $149.94 Range $122.07 - $184.65

Q1 2023

Shares 163,688 Value ($000) $28,601 Avg Close $176.11 Range $151.50 - $202.76

Q4 2022

Shares 150,522 Value ($000) $25,018 Avg Close $153.87 Range $112.11 - $186.80

Q3 2022

Shares 138,590 Value ($000) $19,518 Avg Close $178.97 Range $133.61 - $212.24

Q2 2022

Shares 128,332 Value ($000) $26,172 Avg Close $214.62 Range $174.88 - $258.13

Q1 2022

Shares 112,752 Value ($000) $28,738 Avg Close $266.04 Range $239.75 - $326.08

Q4 2021

Shares 90,735 Value ($000) $29,601 Avg Close $307.32 Range $285.14 - $326.54

Q3 2021

Shares 73,880 Value ($000) $22,338 Avg Close $278.11 Range $257.33 - $318.62

Q2 2021

Shares 33,776 Value ($000) $9,159 Avg Close $248.03 Range $227.68 - $268.74

Q1 2021

Shares 34,518 Value ($000) $8,405 Avg Close $268.89 Range $231.88 - $300.91

Q4 2020

Shares 34,654 Value ($000) $9,933 Avg Close $268.73 Range $247.92 - $285.33

Q3 2020

Shares 34,675 Value ($000) $8,834 Avg Close $231.93 Range $202.54 - $252.24

Q2 2020

Shares 30,213 Value ($000) $6,550 Avg Close $224.85 Range $197.47 - $262.51

Q1 2020

Shares 30,469 Value ($000) $6,889 Avg Close $240.43 Range $177.40 - $264.58

Q4 2019

Shares 31,726 Value ($000) $7,912 Avg Close $228.21 Range $201.87 - $248.54

Q3 2019

Shares 34,222 Value ($000) $8,137 Avg Close $225.06 Range $200.11 - $261.29

Q2 2019

Shares 31,039 Value ($000) $7,584 Avg Close $226.56 Range $176.37 - $256.07

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	14,892	$1,169	$75.96	$66.39 - $83.18
Q3 2025	10,065	$674	$71.72	$55.21 - $103.28
Q2 2025	29,778	$2,806	$109.15	$87.42 - $130.43
Q1 2025	43,659	$5,181	$135.40	$114.00 - $154.03
Q4 2024	38,359	$5,058	$121.79	$97.08 - $139.36
Q3 2024	35,107	$4,559	$116.53	$85.22 - $139.82
Q2 2024	28,815	$2,500	$103.60	$82.88 - $122.43
Q1 2024	29,719	$3,261	$99.55	$87.54 - $114.48
Q4 2023	28,828	$3,020	$96.12	$81.68 - $118.22
Q3 2023	154,765	$16,260	$126.18	$101.78 - $143.38
Q2 2023	158,637	$20,384	$149.94	$122.07 - $184.65
Q1 2023	163,688	$28,601	$176.11	$151.50 - $202.76
Q4 2022	150,522	$25,018	$153.87	$112.11 - $186.80
Q3 2022	138,590	$19,518	$178.97	$133.61 - $212.24
Q2 2022	128,332	$26,172	$214.62	$174.88 - $258.13
Q1 2022	112,752	$28,738	$266.04	$239.75 - $326.08
Q4 2021	90,735	$29,601	$307.32	$285.14 - $326.54
Q3 2021	73,880	$22,338	$278.11	$257.33 - $318.62
Q2 2021	33,776	$9,159	$248.03	$227.68 - $268.74
Q1 2021	34,518	$8,405	$268.89	$231.88 - $300.91
Q4 2020	34,654	$9,933	$268.73	$247.92 - $285.33
Q3 2020	34,675	$8,834	$231.93	$202.54 - $252.24
Q2 2020	30,213	$6,550	$224.85	$197.47 - $262.51
Q1 2020	30,469	$6,889	$240.43	$177.40 - $264.58
Q4 2019	31,726	$7,912	$228.21	$201.87 - $248.54
Q3 2019	34,222	$8,137	$225.06	$200.11 - $261.29
Q2 2019	31,039	$7,584	$226.56	$176.37 - $256.07