NORTHROP GRUMMAN CORP

Ticker: NOC CUSIP: 666807102 Class: COM

MainStreet Investment Advisors LLC's Holding History (CIK: 0001729854)

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

Q4 2023

Shares 914 Value ($000) $428 Avg Close $452.04 Range $399.15 - $478.42

Q3 2023

Shares 596 Value ($000) $262 Avg Close $421.70 Range $401.22 - $442.91

Q1 2023

Shares 1,460 Value ($000) $674 Avg Close $442.02 Range $409.85 - $521.00

Q4 2022

Shares 10,156 Value ($000) $5,541 Avg Close $495.16 Range $438.99 - $527.30

Q3 2022

Shares 10,832 Value ($000) $5,095 Avg Close $450.68 Range $409.84 - $488.64

Q2 2022

Shares 10,832 Value ($000) $5,184 Avg Close $432.80 Range $406.48 - $465.03

Q1 2022

Shares 12,159 Value ($000) $5,438 Avg Close $387.65 Range $341.78 - $461.91

Q4 2021

Shares 12,492 Value ($000) $4,835 Avg Close $348.21 Range $322.83 - $380.81

Q3 2021

Shares 13,035 Value ($000) $4,695 Avg Close $336.41 Range $321.89 - $347.54

Q2 2021

Shares 13,807 Value ($000) $5,018 Avg Close $333.78 Range $297.33 - $352.23

Q1 2021

Shares 16,117 Value ($000) $5,216 Avg Close $278.19 Range $260.51 - $301.81

Q4 2020

Shares 17,876 Value ($000) $5,447 Avg Close $280.94 Range $261.36 - $297.23

Q3 2020

Shares 20,587 Value ($000) $6,495 Avg Close $298.08 Range $260.61 - $322.77

Q2 2020

Shares 14,433 Value ($000) $4,437 Avg Close $298.50 Range $264.17 - $324.61

Q1 2020

Shares 4,501 Value ($000) $1,362 Avg Close $315.50 Range $239.34 - $348.69

Q3 2018

Shares 714 Value ($000) $227 Avg Close $269.78 Range $253.73 - $287.48

Q2 2018

Shares 822 Value ($000) $253 Avg Close $291.51 Range $266.24 - $317.78

Q1 2018

Shares 894 Value ($000) $312 Avg Close $294.31 Range $266.13 - $315.68

Q4 2017

Shares 1,024 Value ($000) $314 Avg Close $263.02 Range $251.27 - $273.10

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2023	914	$428	$452.04	$399.15 - $478.42
Q3 2023	596	$262	$421.70	$401.22 - $442.91
Q1 2023	1,460	$674	$442.02	$409.85 - $521.00
Q4 2022	10,156	$5,541	$495.16	$438.99 - $527.30
Q3 2022	10,832	$5,095	$450.68	$409.84 - $488.64
Q2 2022	10,832	$5,184	$432.80	$406.48 - $465.03
Q1 2022	12,159	$5,438	$387.65	$341.78 - $461.91
Q4 2021	12,492	$4,835	$348.21	$322.83 - $380.81
Q3 2021	13,035	$4,695	$336.41	$321.89 - $347.54
Q2 2021	13,807	$5,018	$333.78	$297.33 - $352.23
Q1 2021	16,117	$5,216	$278.19	$260.51 - $301.81
Q4 2020	17,876	$5,447	$280.94	$261.36 - $297.23
Q3 2020	20,587	$6,495	$298.08	$260.61 - $322.77
Q2 2020	14,433	$4,437	$298.50	$264.17 - $324.61
Q1 2020	4,501	$1,362	$315.50	$239.34 - $348.69
Q3 2018	714	$227	$269.78	$253.73 - $287.48
Q2 2018	822	$253	$291.51	$266.24 - $317.78
Q1 2018	894	$312	$294.31	$266.13 - $315.68
Q4 2017	1,024	$314	$263.02	$251.27 - $273.10