MSA SAFETY INC

Ticker: MSA CUSIP: 553498106 Class: Com

NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC's Holding History (CIK: 0001629649)

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

Q4 2025

Shares 8,234 Value ($000) $1,319 Avg Close $162.81 Range $151.11 - $177.20

Q3 2025

Shares 8,201 Value ($000) $1,411 Avg Close $172.87 Range $165.94 - $182.86

Q2 2025

Shares 8,776 Value ($000) $1,470 Avg Close $156.47 Range $127.86 - $170.11

Q1 2025

Shares 8,728 Value ($000) $1,280 Avg Close $159.40 Range $146.01 - $167.77

Q4 2024

Shares 8,736 Value ($000) $1,448 Avg Close $171.42 Range $161.68 - $181.37

Q3 2024

Shares 8,731 Value ($000) $1,548 Avg Close $181.80 Range $167.76 - $200.61

Q2 2024

Shares 8,262 Value ($000) $1,551 Avg Close $185.92 Range $169.05 - $196.02

Q1 2024

Shares 8,242 Value ($000) $1,596 Avg Close $175.84 Range $160.02 - $195.48

Q4 2023

Shares 8,221 Value ($000) $1,388 Avg Close $162.61 Range $147.35 - $179.43

Q3 2023

Shares 8,194 Value ($000) $1,292 Avg Close $171.77 Range $157.40 - $185.57

Q2 2023

Shares 8,202 Value ($000) $1,427 Avg Close $143.11 Range $122.57 - $176.00

Q1 2023

Shares 8,175 Value ($000) $1,091 Avg Close $134.73 Range $127.94 - $146.33

Q4 2022

Shares 3,409 Value ($000) $492 Avg Close $130.95 Range $110.19 - $144.94

Q3 2022

Shares 5,312 Value ($000) $580 Avg Close $123.01 Range $108.75 - $132.89

Q2 2022

Shares 6,123 Value ($000) $741 Avg Close $124.30 Range $112.89 - $138.65

Q1 2022

Shares 6,056 Value ($000) $804 Avg Close $138.12 Range $127.20 - $151.98

Q4 2021

Shares 6,044 Value ($000) $912 Avg Close $150.05 Range $136.91 - $157.29

Q3 2021

Shares 6,020 Value ($000) $877 Avg Close $158.79 Range $141.25 - $167.49

Q2 2021

Shares 6,066 Value ($000) $1,004 Avg Close $162.15 Range $149.59 - $172.31

Q1 2021

Shares 6,064 Value ($000) $910 Avg Close $161.14 Range $145.56 - $172.84

Q4 2020

Shares 12,456 Value ($000) $1,861 Avg Close $144.38 Range $124.58 - $155.47

Q3 2020

Shares 12,437 Value ($000) $1,423 Avg Close $122.44 Range $108.35 - $135.47

Q2 2020

Shares 12,437 Value ($000) $1,423 Avg Close $111.17 Range $88.18 - $126.16

Q1 2020

Shares 12,379 Value ($000) $1,253 Avg Close $125.88 Range $83.57 - $142.34

Q4 2019

Shares 10,179 Value ($000) $1,286 Avg Close $120.34 Range $104.14 - $128.18

Q3 2019

Shares 10,157 Value ($000) $1,108 Avg Close $105.47 Range $98.71 - $114.64

Q2 2019

Shares 10,041 Value ($000) $1,058 Avg Close $105.05 Range $96.01 - $113.06

Q1 2019

Shares 6,238 Value ($000) $645 Avg Close $100.71 Range $90.81 - $105.37

Q4 2018

Shares 6,617 Value ($000) $624 Avg Close $102.10 Range $86.72 - $110.83

Q3 2018

Shares 6,592 Value ($000) $702 Avg Close $100.99 Range $91.22 - $108.86

Q2 2018

Shares 6,702 Value ($000) $646 Avg Close $90.37 Range $80.86 - $97.36

Q1 2018

Shares 6,961 Value ($000) $579 Avg Close $80.24 Range $71.47 - $87.31

Q4 2017

Shares 4,433 Value ($000) $344 Avg Close $79.81 Range $75.79 - $86.36

Q3 2017

Shares 4,446 Value ($000) $354 Avg Close $74.83 Range $65.95 - $81.88

Q2 2017

Shares 5,420 Value ($000) $440 Avg Close $77.51 Range $66.78 - $84.86

Q1 2017

Shares 5,401 Value ($000) $382 Avg Close $69.85 Range $66.47 - $74.64

Q4 2016

Shares 5,377 Value ($000) $373 Avg Close $61.85 Range $55.00 - $71.28

Q3 2016

Shares 5,363 Value ($000) $311 Avg Close $55.92 Range $51.25 - $58.62

Q2 2016

Shares 5,495 Value ($000) $289 Avg Close $49.54 Range $44.16 - $54.70

Q1 2016

Shares 5,480 Value ($000) $265 Avg Close $43.17 Range $37.68 - $49.77

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	8,234	$1,319	$162.81	$151.11 - $177.20
Q3 2025	8,201	$1,411	$172.87	$165.94 - $182.86
Q2 2025	8,776	$1,470	$156.47	$127.86 - $170.11
Q1 2025	8,728	$1,280	$159.40	$146.01 - $167.77
Q4 2024	8,736	$1,448	$171.42	$161.68 - $181.37
Q3 2024	8,731	$1,548	$181.80	$167.76 - $200.61
Q2 2024	8,262	$1,551	$185.92	$169.05 - $196.02
Q1 2024	8,242	$1,596	$175.84	$160.02 - $195.48
Q4 2023	8,221	$1,388	$162.61	$147.35 - $179.43
Q3 2023	8,194	$1,292	$171.77	$157.40 - $185.57
Q2 2023	8,202	$1,427	$143.11	$122.57 - $176.00
Q1 2023	8,175	$1,091	$134.73	$127.94 - $146.33
Q4 2022	3,409	$492	$130.95	$110.19 - $144.94
Q3 2022	5,312	$580	$123.01	$108.75 - $132.89
Q2 2022	6,123	$741	$124.30	$112.89 - $138.65
Q1 2022	6,056	$804	$138.12	$127.20 - $151.98
Q4 2021	6,044	$912	$150.05	$136.91 - $157.29
Q3 2021	6,020	$877	$158.79	$141.25 - $167.49
Q2 2021	6,066	$1,004	$162.15	$149.59 - $172.31
Q1 2021	6,064	$910	$161.14	$145.56 - $172.84
Q4 2020	12,456	$1,861	$144.38	$124.58 - $155.47
Q3 2020	12,437	$1,423	$122.44	$108.35 - $135.47
Q2 2020	12,437	$1,423	$111.17	$88.18 - $126.16
Q1 2020	12,379	$1,253	$125.88	$83.57 - $142.34
Q4 2019	10,179	$1,286	$120.34	$104.14 - $128.18
Q3 2019	10,157	$1,108	$105.47	$98.71 - $114.64
Q2 2019	10,041	$1,058	$105.05	$96.01 - $113.06
Q1 2019	6,238	$645	$100.71	$90.81 - $105.37
Q4 2018	6,617	$624	$102.10	$86.72 - $110.83
Q3 2018	6,592	$702	$100.99	$91.22 - $108.86
Q2 2018	6,702	$646	$90.37	$80.86 - $97.36
Q1 2018	6,961	$579	$80.24	$71.47 - $87.31
Q4 2017	4,433	$344	$79.81	$75.79 - $86.36
Q3 2017	4,446	$354	$74.83	$65.95 - $81.88
Q2 2017	5,420	$440	$77.51	$66.78 - $84.86
Q1 2017	5,401	$382	$69.85	$66.47 - $74.64
Q4 2016	5,377	$373	$61.85	$55.00 - $71.28
Q3 2016	5,363	$311	$55.92	$51.25 - $58.62
Q2 2016	5,495	$289	$49.54	$44.16 - $54.70
Q1 2016	5,480	$265	$43.17	$37.68 - $49.77