NOC

SEC source: 0001628280-23-000235 · wf-form4_167286796454404.xml · nonDerivative · entry 1

Brown Marianne Catherine · CIK 0001804183 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,217

F1 · kind: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F1 · shares: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F2 · balance_after: Represents shares of common stock, including dividends, held in a stock unit account pursuant to the Plan. Dividends earned on shares held in the stock unit account were exempt from Section 16 and not reportable under rule 16a-11.

SEC source: 0001628280-22-030400 · wf-form4_166878165918553.xml · nonDerivative · entry 1

KRISHNA ARVIND · CIK 0001629898 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 174

F1 · kind: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F1 · shares: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F2 · balance_after: Represents shares of common stock held in a stock unit account pursuant to the Plan.

SEC source: 0001628280-22-028939 · wf-form4_166794269338562.xml · nonDerivative · entry 2

Jones Thomas H · CIK 0001834674 · CVP & Pres Aeronautics Systems

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,728.815

F2 · shares: The gift reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

SEC source: 0001628280-22-028939 · wf-form4_166794269338562.xml · nonDerivative · entry 1

Jones Thomas H · CIK 0001834674 · CVP & Pres Aeronautics Systems

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,150.815

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

SEC source: 0001628280-22-028934 · wf-form4_166794245017983.xml · nonDerivative · entry 11

Caylor Mark A · CIK 0001559097 · CVP & Pres, Mission Systems

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,428.15

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

SEC source: 0001628280-22-028934 · wf-form4_166794245017983.xml · nonDerivative · entry 10

Caylor Mark A · CIK 0001559097 · CVP & Pres, Mission Systems

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,488.15

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F6 · price: Represents the weighted average sale price of $522.13 rounded to the nearest hundredth. The highest price at which the shares were sold was $522.35 and the lowest price at which the shares were sold was $522.01. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote in this Form 4.

SEC source: 0001628280-22-028934 · wf-form4_166794245017983.xml · nonDerivative · entry 9

Caylor Mark A · CIK 0001559097 · CVP & Pres, Mission Systems

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,533.15

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F5 · price: Represents the weighted average sale price of $521.72 rounded to the nearest hundredth. The highest price at which the shares were sold was $521.76 and the lowest price at which the shares were sold was $521.68. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote in this Form 4.

SEC source: 0001628280-22-028934 · wf-form4_166794245017983.xml · nonDerivative · entry 8

Caylor Mark A · CIK 0001559097 · CVP & Pres, Mission Systems

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,653.15

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F4 · price: Represents the weighted average sale price of $520.35 rounded to the nearest hundredth. The highest price at which the shares were sold was $520.41 and the lowest price at which the shares were sold was $520.29. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote in this Form 4.

SEC source: 0001628280-22-028934 · wf-form4_166794245017983.xml · nonDerivative · entry 7

Caylor Mark A · CIK 0001559097 · CVP & Pres, Mission Systems

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,773.15

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F3 · price: Represents the weighted average sale price of $518.42 rounded to the nearest hundredth. The highest price at which the shares were sold was $518.73 and the lowest price at which the shares were sold was $518.20. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote in this Form 4.

SEC source: 0001628280-22-028934 · wf-form4_166794245017983.xml · nonDerivative · entry 6

Caylor Mark A · CIK 0001559097 · CVP & Pres, Mission Systems

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,013.15

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · price: Represents the weighted average sale price of $517.77 rounded to the nearest hundredth. The highest price at which the shares were sold was $517.87 and the lowest price at which the shares were sold was $517.67. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote in this Form 4.

SEC source: 0001628280-22-028934 · wf-form4_166794245017983.xml · nonDerivative · entry 5

Caylor Mark A · CIK 0001559097 · CVP & Pres, Mission Systems

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,193.15

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

SEC source: 0001628280-22-028934 · wf-form4_166794245017983.xml · nonDerivative · entry 4

Caylor Mark A · CIK 0001559097 · CVP & Pres, Mission Systems

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,253.15

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

SEC source: 0001628280-22-028934 · wf-form4_166794245017983.xml · nonDerivative · entry 3

Caylor Mark A · CIK 0001559097 · CVP & Pres, Mission Systems

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,313.15

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

SEC source: 0001628280-22-028934 · wf-form4_166794245017983.xml · nonDerivative · entry 2

Caylor Mark A · CIK 0001559097 · CVP & Pres, Mission Systems

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,373.15

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

SEC source: 0001628280-22-028934 · wf-form4_166794245017983.xml · nonDerivative · entry 1

Caylor Mark A · CIK 0001559097 · CVP & Pres, Mission Systems

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,433.15

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

SEC source: 0001628280-22-025935 · wf-form4_166491147973517.xml · nonDerivative · entry 1

Brown Marianne Catherine · CIK 0001804183 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,117

F1 · kind: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F1 · shares: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F2 · balance_after: Represents shares of common stock, including dividends, held in a stock unit account pursuant to the Plan. Dividends earned on shares held in the stock unit account were exempt from Section 16 and not reportable under rule 16a-11.

SEC source: 0001628280-22-025934 · wf-form4_166491137241100.xml · nonDerivative · entry 1

KRAPEK KARL J · CIK 0001238288 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,650

F1 · kind: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F1 · shares: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F2 · balance_after: Amount includes (i) 1,368 shares of common stock; and (ii) 22,282 shares of common stock, including dividends, held in a stock unit account pursuant to the Plan. Dividends earned on shares held in the stock unit account were exempt from Section 16 and not reportable under Rule 16a-11.

SEC source: 0001628280-22-022521 · wf-form4_166025295444400.xml · nonDerivative · entry 1

CHESTON SHEILA C. · CIK 0001499087 · Corp. VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,349.86

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

SEC source: 0001628280-22-021985 · wf-form4_166007905769663.xml · nonDerivative · entry 7

Caylor Mark A · CIK 0001559097 · CVP & Pres, Mission Systems

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,493.15

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F6 · price: Represents the weighted average sale price of $477.23 rounded to the nearest hundredth. The highest price at which the shares were sold was $477.43 and the lowest price at which the shares were sold was $477.03. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote in this Form 4.

SEC source: 0001628280-22-021985 · wf-form4_166007905769663.xml · nonDerivative · entry 6

Caylor Mark A · CIK 0001559097 · CVP & Pres, Mission Systems

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,760.15

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F5 · price: Represents the weighted average sale price of $476.36 rounded to the nearest hundredth. The highest price at which the shares were sold was $476.89 and the lowest price at which the shares were sold was $476.01. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote in this Form 4.

SEC source: 0001628280-22-021985 · wf-form4_166007905769663.xml · nonDerivative · entry 5

Caylor Mark A · CIK 0001559097 · CVP & Pres, Mission Systems

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,143.15

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F4 · price: Represents the weighted average sale price of $475.34 rounded to the nearest hundredth. The highest price at which the shares were sold was $475.58 and the lowest price at which the shares were sold was $475.15. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote in this Form 4.

SEC source: 0001628280-22-021985 · wf-form4_166007905769663.xml · nonDerivative · entry 4

Caylor Mark A · CIK 0001559097 · CVP & Pres, Mission Systems

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,458.15

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

SEC source: 0001628280-22-021985 · wf-form4_166007905769663.xml · nonDerivative · entry 3

Caylor Mark A · CIK 0001559097 · CVP & Pres, Mission Systems

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,658.15

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

SEC source: 0001628280-22-021985 · wf-form4_166007905769663.xml · nonDerivative · entry 2

Caylor Mark A · CIK 0001559097 · CVP & Pres, Mission Systems

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,758.15

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F3 · price: Represents the weighted average sale price of $471.60 rounded to the nearest hundredth. The highest price at which the shares were sold was $471.90 and the lowest price at which the shares were sold was $471.27. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote in this Form 4.

SEC source: 0001628280-22-021985 · wf-form4_166007905769663.xml · nonDerivative · entry 1

Caylor Mark A · CIK 0001559097 · CVP & Pres, Mission Systems

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,258.15

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · price: Represents the weighted average sale price of $470.34 rounded to the nearest hundredth. The highest price at which the shares were sold was $470.52 and the lowest price at which the shares were sold was $470.16. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote in this Form 4.

SEC source: 0001628280-22-021621 · wf-form4_165999253311872.xml · nonDerivative · entry 1

Wilson Thomas L Jr · CIK 0001901418 · CVP and Pres. Space Systems

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,094.3

F1 · shares: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

SEC source: 0001628280-22-021617 · wf-form4_165999240755936.xml · nonDerivative · entry 9

Warden Kathy J · CIK 0001559112 · Director · Chair, CEO and President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 134,583.29

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F10 · price: Represents the weighted average sale price of $485.73 rounded to the nearest hundredth. The highest price at which the shares were sold was $485.80 and the lowest price at which the shares were sold was $485.67. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote in this Form 4.

SEC source: 0001628280-22-021617 · wf-form4_165999240755936.xml · nonDerivative · entry 8

Warden Kathy J · CIK 0001559112 · Director · Chair, CEO and President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 134,983.29

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F9 · price: Represents the weighted average sale price of $484.33 rounded to the nearest hundredth. The highest price at which the shares were sold was $484.85 and the lowest price at which the shares were sold was $484.03. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote in this Form 4.

SEC source: 0001628280-22-021617 · wf-form4_165999240755936.xml · nonDerivative · entry 7

Warden Kathy J · CIK 0001559112 · Director · Chair, CEO and President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 135,984.29

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F8 · price: Represents the weighted average sale price of $483.45 rounded to the nearest hundredth. The highest price at which the shares were sold was $483.87 and the lowest price at which the shares were sold was $483.00. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote in this Form 4.

SEC source: 0001628280-22-021617 · wf-form4_165999240755936.xml · nonDerivative · entry 6

Warden Kathy J · CIK 0001559112 · Director · Chair, CEO and President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 138,177.29

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F7 · price: Represents the weighted average sale price of $482.66 rounded to the nearest hundredth. The highest price at which the shares were sold was $482.94 and the lowest price at which the shares were sold was $482.02. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote in this Form 4.

SEC source: 0001628280-22-021617 · wf-form4_165999240755936.xml · nonDerivative · entry 5

Warden Kathy J · CIK 0001559112 · Director · Chair, CEO and President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 140,377.29

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F6 · price: Represents the weighted average sale price of $481.60 rounded to the nearest hundredth. The highest price at which the shares were sold was $481.98 and the lowest price at which the shares were sold was $481.03. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote in this Form 4.

SEC source: 0001628280-22-021617 · wf-form4_165999240755936.xml · nonDerivative · entry 4

Warden Kathy J · CIK 0001559112 · Director · Chair, CEO and President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 141,409.29

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F5 · price: Represents the weighted average sale price of $480.76 rounded to the nearest hundredth. The highest price at which the shares were sold was $480.98 and the lowest price at which the shares were sold was $480.46. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote in this Form 4.

SEC source: 0001628280-22-021617 · wf-form4_165999240755936.xml · nonDerivative · entry 3

Warden Kathy J · CIK 0001559112 · Director · Chair, CEO and President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 142,409.29

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F4 · price: Represents the weighted average sale price of $479.51 rounded to the nearest hundredth. The highest price at which the shares were sold was $479.98 and the lowest price at which the shares were sold was $479.03. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote in this Form 4.

SEC source: 0001628280-22-021617 · wf-form4_165999240755936.xml · nonDerivative · entry 2

Warden Kathy J · CIK 0001559112 · Director · Chair, CEO and President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 142,609.29

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F3 · price: Represents the weighted average sale price of $478.74 rounded to the nearest hundredth. The highest price at which the shares were sold was $478.98 and the lowest price at which the shares were sold was $478.05. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote in this Form 4.

SEC source: 0001628280-22-021617 · wf-form4_165999240755936.xml · nonDerivative · entry 1

Warden Kathy J · CIK 0001559112 · Director · Chair, CEO and President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 143,409.29

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · price: Represents the weighted average sale price of $477.78 rounded to the nearest hundredth. The highest price at which the shares were sold was $477.95 and the lowest price at which the shares were sold was $477.60. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote in this Form 4.

SEC source: 0001628280-22-018454 · wf-form4_165705210566155.xml · nonDerivative · entry 1

KRAPEK KARL J · CIK 0001238288 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,497

F1 · kind: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F1 · shares: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F2 · balance_after: Amount includes (i) 1,368 shares of common stock; and (ii) 22,129 shares of common stock, including dividends, held in a stock unit account pursuant to the Plan. Dividends earned on shares held in the stock unit account were exempt from Section 16 and not reportable under Rule 16a-11.

SEC source: 0001628280-22-018451 · wf-form4_165705196415158.xml · nonDerivative · entry 1

Brown Marianne Catherine · CIK 0001804183 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,006

F1 · kind: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F1 · shares: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F2 · balance_after: Represents shares of common stock, including dividends, held in a stock unit account pursuant to the Plan. Dividends earned on shares held in the stock unit account were exempt from Section 16 and not reportable under Rule 16a-11.

SEC source: 0001628280-22-014957 · wf-form4_165299788004306.xml · nonDerivative · entry 1

KLEINER MADELEINE · CIK 0001188275 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,904

F1 · kind: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F1 · shares: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F2 · balance_after: Represents shares of common stock, including dividends, held in a stock unit account pursuant to the Plan. Dividends earned on shares held in the stock unit account were exempt from Section 16 and not reportable under rule 16a-11.

SEC source: 0001628280-22-014956 · wf-form4_165299775345785.xml · nonDerivative · entry 1

ROUGHEAD GARY · CIK 0001543052 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,010

F1 · kind: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F1 · shares: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F2 · balance_after: Represents shares of common stock, including dividends, held in a stock unit account pursuant to the Plan. Dividends earned on shares held in the stock unit account were exempt from Section 16 and not reportable under rule 16a-11.

SEC source: 0001628280-22-014954 · wf-form4_165299732515449.xml · nonDerivative · entry 1

WELSH MARK A III · CIK 0001692554 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,409

F1 · kind: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F1 · shares: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F2 · balance_after: Represents shares of common stock, including dividends, held in a stock unit account pursuant to the Plan. Dividends earned on shares held in the stock unit account were exempt from Section 16 and not reportable under rule 16a-11.

SEC source: 0001628280-22-014955 · wf-form4_165299745623537.xml · nonDerivative · entry 1

Brown Marianne Catherine · CIK 0001804183 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,897

F1 · kind: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F1 · shares: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F2 · balance_after: Represents shares of common stock, including dividends, held in a stock unit account pursuant to the Plan. Dividends earned on shares held in the stock unit account were exempt from Section 16 and not reportable under rule 16a-11.

SEC source: 0001628280-22-014952 · wf-form4_165299706326498.xml · nonDerivative · entry 1

FUDGE ANN M · CIK 0001198098 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,461

F1 · kind: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F1 · shares: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F2 · balance_after: Amount includes (i) 1,178 shares of common stock; and (ii) 3,283 shares of common stock, including dividends, held in a stock unit account pursuant to the Plan. Dividends earned on shares held in the stock unit account were exempt from Section 16 and not reportable under Rule 16a-11.

SEC source: 0001628280-22-014953 · wf-form4_165299720652994.xml · nonDerivative · entry 1

Robinson Graham · CIK 0001810641 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 747

F1 · kind: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F1 · shares: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F2 · balance_after: Represents shares of common stock, including dividends, held in a stock unit account pursuant to the Plan. Dividends earned on shares held in the stock unit account were exempt from Section 16 and not reportable under rule 16a-11.

SEC source: 0001628280-22-014951 · wf-form4_165299673609091.xml · nonDerivative · entry 1

Felsinger Donald E · CIK 0001228373 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,831

F1 · kind: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F1 · shares: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F2 · balance_after: Represents shares of common stock, including dividends, held in a stock unit account pursuant to the Plan. Dividends earned on shares held in the stock unit account were exempt from Section 16 and not reportable under rule 16a-11.

SEC source: 0001628280-22-014949 · wf-form4_165299633175765.xml · nonDerivative · entry 1

KRAPEK KARL J · CIK 0001238288 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,344

F1 · kind: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F1 · shares: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F2 · balance_after: Amount includes (i) 1,368 shares of common stock; and (ii) 21,976 shares of common stock, including dividends, held in a stock unit account pursuant to the Plan. Dividends earned on shares held in the stock unit account were exempt from Section 16 and not reportable under Rule 16a-11.

SEC source: 0001628280-22-014950 · wf-form4_165299645429244.xml · nonDerivative · entry 1

Turley James S · CIK 0001580994 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,916

F1 · kind: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F1 · shares: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F2 · balance_after: Amount includes (i) 635 shares of common stock; and (ii) 4,281 shares of common stock, including dividends, held in a stock unit account pursuant to the Plan. Dividends earned on shares held in the stock unit account were exempt from Section 16 and not reportable under Rule 16a-11.

SEC source: 0001628280-22-014946 · wf-form4_165299613980273.xml · nonDerivative · entry 1

HERNANDEZ WILLIAM H · CIK 0001189027 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,585

F1 · kind: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F1 · shares: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F2 · balance_after: Amount includes (i) 1,000 shares of common stock; and (ii) 6,585 shares of common stock, including dividends, held in a stock unit account pursuant to the Plan. Dividends earned on shares held in the stock unit account were exempt from Section 16 and not reportable under Rule 16a-11.

SEC source: 0001628280-22-014934 · wf-form4_165299587980968.xml · nonDerivative · entry 1

SCHOEWE THOMAS M · CIK 0001161375 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,452

F1 · kind: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F1 · shares: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F2 · balance_after: Amount includes (i) 3,160 shares of common stock; and (ii) 11,292 shares of common stock, including dividends, held in a stock unit account pursuant to the Plan. Dividends earned on shares held in the stock unit account were exempt from Section 16 and not reportable under Rule 16a-11.

SEC source: 0001628280-22-014925 · wf-form4_165299565415845.xml · nonDerivative · entry 1

ABNEY DAVID P · CIK 0001229820 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,298

F1 · kind: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F1 · shares: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2011 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

F2 · balance_after: Amount includes (i) 447 shares of common stock; and (ii) 851 shares of common stock, including dividends, held in a stock unit account pursuant to the Plan. Dividends earned on shares held in the stock unit account were exempt from Section 16 and not reportable under Rule 16a-11.

SEC source: 0001628280-22-013655 · wf-form4_165221696506790.xml · nonDerivative · entry 1

Warden Kathy J · CIK 0001559112 · Director · Chair, CEO and President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 144,583.29