NORTHROP GRUMMAN CORP

Ticker: NOC CUSIP: 666807102 Class: COM

HARBOR INVESTMENT ADVISORY, LLC's Holding History (CIK: 0001468792)

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

Q4 2025

Shares 2,033 Value ($000) $1,159 Avg Close $578.81 Range $543.66 - $638.31

Q3 2025

Shares 2,096 Value ($000) $1,277 Avg Close $563.27 Range $485.64 - $607.66

Q2 2025

Shares 2,189 Value ($000) $1,095 Avg Close $486.10 Range $444.43 - $537.86

Q1 2025

Shares 2,212 Value ($000) $1,133 Avg Close $470.02 Range $418.96 - $512.32

Q4 2024

Shares 2,207 Value ($000) $1,036 Avg Close $492.97 Range $454.91 - $543.79

Q3 2024

Shares 2,394 Value ($000) $1,264 Avg Close $478.00 Range $412.10 - $523.27

Q2 2024

Shares 2,642 Value ($000) $1,152 Avg Close $444.00 Range $408.11 - $476.20

Q1 2024

Shares 2,658 Value ($000) $1,272 Avg Close $445.90 Range $411.80 - $467.71

Q4 2023

Shares 2,535 Value ($000) $1,187 Avg Close $452.04 Range $399.15 - $478.42

Q3 2023

Shares 2,595 Value ($000) $1,142 Avg Close $421.70 Range $401.22 - $442.91

Q2 2023

Shares 2,687 Value ($000) $1,225 Avg Close $433.83 Range $409.59 - $461.42

Q1 2023

Shares 3,131 Value ($000) $1,446 Avg Close $442.02 Range $409.85 - $521.00

Q4 2022

Shares 3,131 Value ($000) $1,708 Avg Close $495.16 Range $438.99 - $527.30

Q3 2022

Shares 3,488 Value ($000) $1,640 Avg Close $450.68 Range $409.84 - $488.64

Q2 2022

Shares 3,458 Value ($000) $1,655 Avg Close $432.80 Range $406.48 - $465.03

Q1 2022

Shares 3,459 Value ($000) $1,547 Avg Close $387.65 Range $341.78 - $461.91

Q4 2021

Shares 2,946 Value ($000) $1,140 Avg Close $348.21 Range $322.83 - $380.81

Q3 2021

Shares 2,873 Value ($000) $1,035 Avg Close $336.41 Range $321.89 - $347.54

Q2 2021

Shares 2,878 Value ($000) $1,046 Avg Close $333.78 Range $297.33 - $352.23

Q1 2021

Shares 2,820 Value ($000) $913 Avg Close $278.19 Range $260.51 - $301.81

Q4 2020

Shares 2,213 Value ($000) $674 Avg Close $280.94 Range $261.36 - $297.23

Q3 2020

Shares 1,530 Value ($000) $483 Avg Close $298.08 Range $260.61 - $322.77

Q2 2020

Shares 1,410 Value ($000) $433 Avg Close $298.50 Range $264.17 - $324.61

Q1 2020

Shares 1,268 Value ($000) $384 Avg Close $315.50 Range $239.34 - $348.69

Q4 2019

Shares 1,184 Value ($000) $407 Avg Close $317.67 Range $303.11 - $340.24

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,033	$1,159	$578.81	$543.66 - $638.31
Q3 2025	2,096	$1,277	$563.27	$485.64 - $607.66
Q2 2025	2,189	$1,095	$486.10	$444.43 - $537.86
Q1 2025	2,212	$1,133	$470.02	$418.96 - $512.32
Q4 2024	2,207	$1,036	$492.97	$454.91 - $543.79
Q3 2024	2,394	$1,264	$478.00	$412.10 - $523.27
Q2 2024	2,642	$1,152	$444.00	$408.11 - $476.20
Q1 2024	2,658	$1,272	$445.90	$411.80 - $467.71
Q4 2023	2,535	$1,187	$452.04	$399.15 - $478.42
Q3 2023	2,595	$1,142	$421.70	$401.22 - $442.91
Q2 2023	2,687	$1,225	$433.83	$409.59 - $461.42
Q1 2023	3,131	$1,446	$442.02	$409.85 - $521.00
Q4 2022	3,131	$1,708	$495.16	$438.99 - $527.30
Q3 2022	3,488	$1,640	$450.68	$409.84 - $488.64
Q2 2022	3,458	$1,655	$432.80	$406.48 - $465.03
Q1 2022	3,459	$1,547	$387.65	$341.78 - $461.91
Q4 2021	2,946	$1,140	$348.21	$322.83 - $380.81
Q3 2021	2,873	$1,035	$336.41	$321.89 - $347.54
Q2 2021	2,878	$1,046	$333.78	$297.33 - $352.23
Q1 2021	2,820	$913	$278.19	$260.51 - $301.81
Q4 2020	2,213	$674	$280.94	$261.36 - $297.23
Q3 2020	1,530	$483	$298.08	$260.61 - $322.77
Q2 2020	1,410	$433	$298.50	$264.17 - $324.61
Q1 2020	1,268	$384	$315.50	$239.34 - $348.69
Q4 2019	1,184	$407	$317.67	$303.11 - $340.24