NORTHROP GRUMMAN CORP

Ticker: NOC CUSIP: 666807102 Class: COM

Mason Investment Advisory Services, Inc.'s Holding History (CIK: 0001635007)

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

Q1 2021

Shares 2,854 Value ($000) $924 Avg Close $278.19 Range $260.51 - $301.81

Q4 2020

Shares 4,301 Value ($000) $1,311 Avg Close $280.94 Range $261.36 - $297.23

Q3 2020

Shares 2,729 Value ($000) $861 Avg Close $298.08 Range $260.61 - $322.77

Q2 2020

Shares 2,010 Value ($000) $618 Avg Close $298.50 Range $264.17 - $324.61

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	2,854	$924	$278.19	$260.51 - $301.81
Q4 2020	4,301	$1,311	$280.94	$261.36 - $297.23
Q3 2020	2,729	$861	$298.08	$260.61 - $322.77
Q2 2020	2,010	$618	$298.50	$264.17 - $324.61