NORTHROP GRUMMAN CORP

Ticker: NOC CUSIP: 666807102 Class: COM

WELCH & FORBES LLC's Holding History (CIK: 0000105495)

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

Q4 2025

Shares 2,983 Value ($000) $1,701 Avg Close $578.81 Range $543.66 - $638.31

Q3 2025

Shares 2,969 Value ($000) $1,809 Avg Close $563.27 Range $485.64 - $607.66

Q2 2025

Shares 3,144 Value ($000) $1,572 Avg Close $486.10 Range $444.43 - $537.86

Q1 2025

Shares 3,187 Value ($000) $1,632 Avg Close $470.02 Range $418.96 - $512.32

Q4 2024

Shares 3,219 Value ($000) $1,511 Avg Close $492.97 Range $454.91 - $543.79

Q3 2024

Shares 3,219 Value ($000) $1,700 Avg Close $478.00 Range $412.10 - $523.27

Q2 2024

Shares 3,315 Value ($000) $1,407 Avg Close $444.00 Range $408.11 - $476.20

Q1 2024

Shares 3,305 Value ($000) $1,582 Avg Close $445.90 Range $411.80 - $467.71

Q4 2023

Shares 3,634 Value ($000) $1,701 Avg Close $452.04 Range $399.15 - $478.42

Q3 2023

Shares 3,775 Value ($000) $1,662 Avg Close $421.70 Range $401.22 - $442.91

Q2 2023

Shares 4,404 Value ($000) $2,007 Avg Close $433.83 Range $409.59 - $461.42

Q1 2023

Shares 4,717 Value ($000) $2,178 Avg Close $442.02 Range $409.85 - $521.00

Q4 2022

Shares 4,818 Value ($000) $2,629 Avg Close $495.16 Range $438.99 - $527.30

Q3 2022

Shares 4,818 Value ($000) $2,267 Avg Close $450.68 Range $409.84 - $488.64

Q2 2022

Shares 4,854 Value ($000) $2,323 Avg Close $432.80 Range $406.48 - $465.03

Q1 2022

Shares 5,243 Value ($000) $2,345 Avg Close $387.65 Range $341.78 - $461.91

Q4 2021

Shares 6,043 Value ($000) $2,338 Avg Close $348.21 Range $322.83 - $380.81

Q3 2021

Shares 6,218 Value ($000) $2,240 Avg Close $336.41 Range $321.89 - $347.54

Q2 2021

Shares 8,458 Value ($000) $3,074 Avg Close $333.78 Range $297.33 - $352.23

Q1 2021

Shares 8,469 Value ($000) $2,741 Avg Close $278.19 Range $260.51 - $301.81

Q4 2020

Shares 8,519 Value ($000) $2,596 Avg Close $280.94 Range $261.36 - $297.23

Q3 2020

Shares 8,519 Value ($000) $2,687 Avg Close $298.08 Range $260.61 - $322.77

Q2 2020

Shares 8,581 Value ($000) $2,638 Avg Close $298.50 Range $264.17 - $324.61

Q1 2020

Shares 8,581 Value ($000) $2,596 Avg Close $315.50 Range $239.34 - $348.69

Q4 2019

Shares 8,456 Value ($000) $2,909 Avg Close $317.67 Range $303.11 - $340.24

Q3 2019

Shares 8,456 Value ($000) $3,169 Avg Close $318.69 Range $285.79 - $346.38

Q2 2019

Shares 8,281 Value ($000) $2,676 Avg Close $267.26 Range $236.79 - $292.13

Q1 2019

Shares 8,481 Value ($000) $2,287 Avg Close $243.65 Range $211.35 - $261.00

Q4 2018

Shares 8,900 Value ($000) $2,180 Avg Close $245.46 Range $199.36 - $285.49

Q3 2018

Shares 9,288 Value ($000) $2,948 Avg Close $269.78 Range $253.73 - $287.48

Q2 2018

Shares 9,505 Value ($000) $2,925 Avg Close $291.51 Range $266.24 - $317.78

Q1 2018

Shares 9,371 Value ($000) $3,271 Avg Close $294.31 Range $266.13 - $315.68

Q4 2017

Shares 9,699 Value ($000) $2,977 Avg Close $263.02 Range $251.27 - $273.10

Q3 2017

Shares 9,943 Value ($000) $2,861 Avg Close $234.97 Range $223.70 - $251.79

Q2 2017

Shares 10,143 Value ($000) $2,604 Avg Close $217.50 Range $204.18 - $228.88

Q1 2017

Shares 10,292 Value ($000) $2,448 Avg Close $205.77 Range $193.67 - $215.78

Q4 2016

Shares 11,226 Value ($000) $2,611 Avg Close $200.65 Range $182.75 - $218.77

Q3 2016

Shares 10,385 Value ($000) $2,222 Avg Close $186.23 Range $178.16 - $192.37

Q2 2016

Shares 10,445 Value ($000) $2,322 Avg Close $180.17 Range $167.24 - $191.50

Q1 2016

Shares 10,198 Value ($000) $2,018 Avg Close $161.05 Range $148.95 - $170.52

Q4 2015

Shares 10,398 Value ($000) $1,963 Avg Close $155.62 Range $137.87 - $164.41

Q3 2015

Shares 10,498 Value ($000) $1,742 Avg Close $141.60 Range $128.46 - $149.14

Q2 2015

Shares 11,298 Value ($000) $1,792 Avg Close $134.61 Range $127.92 - $140.47

Q1 2015

Shares 11,398 Value ($000) $1,834 Avg Close $133.81 Range $118.31 - $143.99

Q4 2014

Shares 11,704 Value ($000) $1,725 Avg Close $114.24 Range $98.32 - $128.02

Q3 2014

Shares 12,132 Value ($000) $1,598 Avg Close $104.60 Range $97.77 - $111.63

Q2 2014

Shares 14,370 Value ($000) $1,719 Avg Close $99.58 Range $95.46 - $103.59

Q1 2014

Shares 14,904 Value ($000) $1,839 Avg Close $97.12 Range $89.29 - $103.07

Q4 2013

Shares 16,046 Value ($000) $1,839 Avg Close $87.28 Range $75.26 - $95.04

Q3 2013

Shares 16,046 Value ($000) $1,529 Avg Close $74.87 Range $66.06 - $80.62

Q2 2013

Shares 16,046 Value ($000) $1,329 Avg Close $62.64 Range $55.45 - $68.16

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,983	$1,701	$578.81	$543.66 - $638.31
Q3 2025	2,969	$1,809	$563.27	$485.64 - $607.66
Q2 2025	3,144	$1,572	$486.10	$444.43 - $537.86
Q1 2025	3,187	$1,632	$470.02	$418.96 - $512.32
Q4 2024	3,219	$1,511	$492.97	$454.91 - $543.79
Q3 2024	3,219	$1,700	$478.00	$412.10 - $523.27
Q2 2024	3,315	$1,407	$444.00	$408.11 - $476.20
Q1 2024	3,305	$1,582	$445.90	$411.80 - $467.71
Q4 2023	3,634	$1,701	$452.04	$399.15 - $478.42
Q3 2023	3,775	$1,662	$421.70	$401.22 - $442.91
Q2 2023	4,404	$2,007	$433.83	$409.59 - $461.42
Q1 2023	4,717	$2,178	$442.02	$409.85 - $521.00
Q4 2022	4,818	$2,629	$495.16	$438.99 - $527.30
Q3 2022	4,818	$2,267	$450.68	$409.84 - $488.64
Q2 2022	4,854	$2,323	$432.80	$406.48 - $465.03
Q1 2022	5,243	$2,345	$387.65	$341.78 - $461.91
Q4 2021	6,043	$2,338	$348.21	$322.83 - $380.81
Q3 2021	6,218	$2,240	$336.41	$321.89 - $347.54
Q2 2021	8,458	$3,074	$333.78	$297.33 - $352.23
Q1 2021	8,469	$2,741	$278.19	$260.51 - $301.81
Q4 2020	8,519	$2,596	$280.94	$261.36 - $297.23
Q3 2020	8,519	$2,687	$298.08	$260.61 - $322.77
Q2 2020	8,581	$2,638	$298.50	$264.17 - $324.61
Q1 2020	8,581	$2,596	$315.50	$239.34 - $348.69
Q4 2019	8,456	$2,909	$317.67	$303.11 - $340.24
Q3 2019	8,456	$3,169	$318.69	$285.79 - $346.38
Q2 2019	8,281	$2,676	$267.26	$236.79 - $292.13
Q1 2019	8,481	$2,287	$243.65	$211.35 - $261.00
Q4 2018	8,900	$2,180	$245.46	$199.36 - $285.49
Q3 2018	9,288	$2,948	$269.78	$253.73 - $287.48
Q2 2018	9,505	$2,925	$291.51	$266.24 - $317.78
Q1 2018	9,371	$3,271	$294.31	$266.13 - $315.68
Q4 2017	9,699	$2,977	$263.02	$251.27 - $273.10
Q3 2017	9,943	$2,861	$234.97	$223.70 - $251.79
Q2 2017	10,143	$2,604	$217.50	$204.18 - $228.88
Q1 2017	10,292	$2,448	$205.77	$193.67 - $215.78
Q4 2016	11,226	$2,611	$200.65	$182.75 - $218.77
Q3 2016	10,385	$2,222	$186.23	$178.16 - $192.37
Q2 2016	10,445	$2,322	$180.17	$167.24 - $191.50
Q1 2016	10,198	$2,018	$161.05	$148.95 - $170.52
Q4 2015	10,398	$1,963	$155.62	$137.87 - $164.41
Q3 2015	10,498	$1,742	$141.60	$128.46 - $149.14
Q2 2015	11,298	$1,792	$134.61	$127.92 - $140.47
Q1 2015	11,398	$1,834	$133.81	$118.31 - $143.99
Q4 2014	11,704	$1,725	$114.24	$98.32 - $128.02
Q3 2014	12,132	$1,598	$104.60	$97.77 - $111.63
Q2 2014	14,370	$1,719	$99.58	$95.46 - $103.59
Q1 2014	14,904	$1,839	$97.12	$89.29 - $103.07
Q4 2013	16,046	$1,839	$87.28	$75.26 - $95.04
Q3 2013	16,046	$1,529	$74.87	$66.06 - $80.62
Q2 2013	16,046	$1,329	$62.64	$55.45 - $68.16