NOC

SEC source: 0001628280-26-008117 · wk-form4_1771017266.xml · derivative · entry 3

Fleming Robert J. · CIK 0001995165 · CVP and Pres. Space Systems

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,087.16

Underlying: Common Stock · 3,982.16 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Performance Stock Right ("RPSR") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock. The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period. Grants awarded pursuant to Rule 16b-3(d).

F2 · shares: The RPSRs acquired include (i) 296.16 vested RPSRs with respect to the measurement period ended 12/31/25 acquired due to settlement of the RPSRs granted under the 2011 Long-Term Incentive Stock Plan ("2011 LTISP") on 2/16/23 that resulted in settlement at 148% of the target award; and (ii) 3,686 unvested RPSRs granted under the 2024 Long-Term Incentive Stock Plan (the "2024 LTISP") on 2/18/25 with a measurement period ending on 12/31/27. A total of 913.16 shares were issued in settlement of the 2023 RPSRs with a measurement period that ended 12/31/25, and the target award amount of 617 RPSRs was previously reported in connection with the grant of the 2023 RPSRs.

F1 · derivative.exercise_date: Each Restricted Performance Stock Right ("RPSR") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock. The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period. Grants awarded pursuant to Rule 16b-3(d).

F1 · derivative.expiration_date: Each Restricted Performance Stock Right ("RPSR") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock. The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period. Grants awarded pursuant to Rule 16b-3(d).

F3 · balance_after: Total amount includes (i) 913.16 vested RPSRs granted under the 2011 LTISP on 2/16/23 with a measurement period ended on 12/31/25; (ii) 5,133 RPSRs granted under the 2011 LTISP on 2/14/24 with a measurement period ending on 12/31/26; (iii); 5,355 RPSRs granted under the 2024 LTISP on 2/18/25 with a measurement period ending on 12/31/27; and (iv) 3,686 RPSRs granted under the 2024 LTISP on 2/11/26 with a measurement period ending on 12/31/28.

SEC source: 0001628280-26-008117 · wk-form4_1771017266.xml · nonDerivative · entry 2

Fleming Robert J. · CIK 0001995165 · CVP and Pres. Space Systems

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,440.03

SEC source: 0001628280-26-008117 · wk-form4_1771017266.xml · nonDerivative · entry 1

Fleming Robert J. · CIK 0001995165 · CVP and Pres. Space Systems

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,740.03

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001628280-26-008111 · wk-form4_1771017170.xml · derivative · entry 6

ROEDER ROSHAN S · CIK 0001950117 · CVP & Pres. Mission Systems

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,174

Underlying: Common Stock · 6,476.48 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each Restricted Performance Stock Right ("RPSR") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock. The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period. Grants awarded pursuant to Rule 16b-3(d).

F2 · derivative.exercise_date: Each Restricted Performance Stock Right ("RPSR") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock. The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period. Grants awarded pursuant to Rule 16b-3(d).

F2 · derivative.expiration_date: Each Restricted Performance Stock Right ("RPSR") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock. The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period. Grants awarded pursuant to Rule 16b-3(d).

F8 · balance_after: Total amount includes (i) 5,133 RPSRs granted under the 2011 LTISP on 2/14/24 with a measurement period ending on 12/31/26; (ii) 5,355 RPSRs granted under the 2024 LTISP on 2/18/25 with a measurement period ending on 12/31/27; and (iii) 3,686 RPSRs granted under the 2024 LTISP on 2/11/26 with a measurement period ending 12/31/28.

SEC source: 0001628280-26-008111 · wk-form4_1771017170.xml · derivative · entry 5

ROEDER ROSHAN S · CIK 0001950117 · CVP & Pres. Mission Systems

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,530

Underlying: Common Stock · 1,701 shares

Expires not disclosed

F5 · derivative.exercise_price: Each Restricted Stock Right ("RSR") represents a contingent right to receive an equivalent number of shares in Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock.

F5 · derivative.exercise_date: Each Restricted Stock Right ("RSR") represents a contingent right to receive an equivalent number of shares in Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock.

F6 · derivative.expiration_date: The RSRs were granted under the 2024 LTISP on 2/11/26 and will vest on 2/12/29.

F7 · balance_after: Total amount includes (i) 2,017 RSRs granted under the 2011 LTISP on 2/16/23 that will vest on 2/17/26; (ii) 2,356 RSRs granted under the 2011 LTISP on 2/14/24 that will vest on 2/16/27; (iii) 2,456 RSRs granted under the 2024 LTISP on 2/18/25 that will vest on 2/18/28; and (iv) 1,701 RSRs granted under 2024 LTISP on 2/11/26 that will vest on 2/12/29.

SEC source: 0001628280-26-008111 · wk-form4_1771017170.xml · derivative · entry 4

ROEDER ROSHAN S · CIK 0001950117 · CVP & Pres. Mission Systems

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,650.48

Underlying: Common Stock · 5,786.48 shares

Expires not disclosed

F2 · derivative.exercise_price: Each Restricted Performance Stock Right ("RPSR") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock. The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period. Grants awarded pursuant to Rule 16b-3(d).

F3 · shares: The RPSRs acquired include (i) 2,100.48 vested RPSRs with respect to the measurement period ended 12/31/25 acquired due to settlement of the RPSRs granted under the 2011 Long-Term Incentive Stock Plan ("2011 LTISP") on 2/16/23 that resulted in settlement at 148% of the target award; and (ii) 3,686 unvested RPSRs granted under the 2024 Long-Term Incentive Stock Plan (the "2024 LTISP") on 2/11/26 with a measurement period ending on 12/31/28. A total of 6,476.48 shares were issued in settlement of the 2023 RPSRs with a measurement period that ended 12/31/25, and the target award amount of 4,376 RPSRs was previously reported in connection with the grant of the 2023 RPSRs.

F2 · derivative.exercise_date: Each Restricted Performance Stock Right ("RPSR") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock. The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period. Grants awarded pursuant to Rule 16b-3(d).

F2 · derivative.expiration_date: Each Restricted Performance Stock Right ("RPSR") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock. The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period. Grants awarded pursuant to Rule 16b-3(d).

F4 · balance_after: Total amount includes (i) 6,476.48 vested RPSRs granted under the 2011 LTISP on 2/16/23 with a measurement period ended on 12/31/25; (ii) 5,133 RPSRs granted under the 2011 LTISP on 2/14/24 with a measurement period ending on 12/31/26; (iii) 5,355 RPSRs granted under the 2024 LTISP on 2/18/25 with a measurement period ending on 12/31/27; and (iv) 3,686 RPSRs granted under the 2024 LTISP on 2/11/26 with a measurement period ending on 12/31/28.

SEC source: 0001628280-26-008111 · wk-form4_1771017170.xml · nonDerivative · entry 2

ROEDER ROSHAN S · CIK 0001950117 · CVP & Pres. Mission Systems

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,912.39

SEC source: 0001628280-26-008111 · wk-form4_1771017170.xml · nonDerivative · entry 1

ROEDER ROSHAN S · CIK 0001950117 · CVP & Pres. Mission Systems

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,880.39

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001628280-26-006816 · wk-form4_1770757487.xml · nonDerivative · entry 7

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 171,602.4

F7 · price: Represents the weighted average sale price of $711.14 rounded to the nearest hundredth. The highest price at which the shares were sold was $711.40 and the lowest price at which the shares were sold was $711.02. 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: 0001628280-26-006816 · wk-form4_1770757487.xml · nonDerivative · entry 6

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 172,908.4

F6 · price: Represents the weighted average sale price of $710.36 rounded to the nearest hundredth. The highest price at which the shares were sold was $710.97 and the lowest price at which the shares were sold was $710.00. 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: 0001628280-26-006816 · wk-form4_1770757487.xml · nonDerivative · entry 5

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 176,460.4

F5 · price: Represents the weighted average sale price of $709.49 rounded to the nearest hundredth. The highest price at which the shares were sold was $709.99 and the lowest price at which the shares were sold was $709.01. 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: 0001628280-26-006816 · wk-form4_1770757487.xml · nonDerivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 182,194.4

F4 · price: Represents the weighted average sale price of $708.63 rounded to the nearest hundredth. The highest price at which the shares were sold was $708.98 and the lowest price at which the shares were sold was $708.20. 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: 0001628280-26-006816 · wk-form4_1770757487.xml · nonDerivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 184,497.4

F3 · price: Represents the weighted average sale price of $707.45 rounded to the nearest hundredth. The highest price at which the shares were sold was $707.97 and the lowest price at which the shares were sold was $707.00. 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: 0001628280-26-006816 · wk-form4_1770757487.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 189,192.4

F2 · price: Represents the weighted average sale price of $706.65 rounded to the nearest hundredth. The highest price at which the shares were sold was $706.93 and the lowest price at which the shares were sold was $706.00. 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: 0001628280-26-006816 · wk-form4_1770757487.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 191,388.4

F1 · price: Represents the weighted average sale price of $705.84 rounded to the nearest hundredth. The highest price at which the shares were sold was $705.97 and the lowest price at which the shares were sold was $705.56. 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: 0001628280-26-004922 · wk-form4_1770144562.xml · nonDerivative · entry 12

WELSH MARK A III · CIK 0001692554 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,203

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2025.

F13 · price: Represents the weighted average sale price of $689.31 rounded to the nearest hundredth. The highest price at which the shares were sold was $689.72 and the lowest price at which the shares were sold was $689.01. 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: 0001628280-26-004922 · wk-form4_1770144562.xml · nonDerivative · entry 11

WELSH MARK A III · CIK 0001692554 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,208

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2025.

F12 · price: Represents the weighted average sale price of $688.51 rounded to the nearest hundredth. The highest price at which the shares were sold was $688.88 and the lowest price at which the shares were sold was $688.08. 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: 0001628280-26-004922 · wk-form4_1770144562.xml · nonDerivative · entry 10

WELSH MARK A III · CIK 0001692554 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,218

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2025.

F11 · price: Represents the weighted average sale price of $687.64 rounded to the nearest hundredth. The highest price at which the shares were sold was $687.96 and the lowest price at which the shares were sold was $687.04. 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: 0001628280-26-004922 · wk-form4_1770144562.xml · nonDerivative · entry 9

WELSH MARK A III · CIK 0001692554 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,226

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2025.

F10 · price: Represents the weighted average sale price of $686.43 rounded to the nearest hundredth. The highest price at which the shares were sold was $686.83 and the lowest price at which the shares were sold was $686.10. 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: 0001628280-26-004922 · wk-form4_1770144562.xml · nonDerivative · entry 8

WELSH MARK A III · CIK 0001692554 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,237

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2025.

F9 · price: Represents the weighted average sale price of $685.33 rounded to the nearest hundredth. The highest price at which the shares were sold was $685.76 and the lowest price at which the shares were sold was $685.00. 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: 0001628280-26-004922 · wk-form4_1770144562.xml · nonDerivative · entry 7

WELSH MARK A III · CIK 0001692554 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,247

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2025.

F8 · price: Represents the weighted average sale price of $684.67 rounded to the nearest hundredth. The highest price at which the shares were sold was $684.92 and the lowest price at which the shares were sold was $684.14. 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: 0001628280-26-004922 · wk-form4_1770144562.xml · nonDerivative · entry 6

WELSH MARK A III · CIK 0001692554 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,254

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2025.

F7 · price: Represents the weighted average sale price of $683.79 rounded to the nearest hundredth. The highest price at which the shares were sold was $683.98 and the lowest price at which the shares were sold was $683.62. 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: 0001628280-26-004922 · wk-form4_1770144562.xml · nonDerivative · entry 5

WELSH MARK A III · CIK 0001692554 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,260

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2025.

F6 · price: Represents the weighted average sale price of $682.47 rounded to the nearest hundredth. The highest price at which the shares were sold was $682.98 and the lowest price at which the shares were sold was $682.04. 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: 0001628280-26-004922 · wk-form4_1770144562.xml · nonDerivative · entry 4

WELSH MARK A III · CIK 0001692554 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,282

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2025.

F5 · price: Represents the weighted average sale price of $681.68 rounded to the nearest hundredth. The highest price at which the shares were sold was $681.91 and the lowest price at which the shares were sold was $681.45. 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: 0001628280-26-004922 · wk-form4_1770144562.xml · nonDerivative · entry 3

WELSH MARK A III · CIK 0001692554 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,290

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2025.

F4 · price: Represents the weighted average sale price of $680.49 rounded to the nearest hundredth. The highest price at which the shares were sold was $680.94 and the lowest price at which the shares were sold was $680.33. 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: 0001628280-26-004922 · wk-form4_1770144562.xml · nonDerivative · entry 2

WELSH MARK A III · CIK 0001692554 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,294

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2025.

F3 · price: Represents the weighted average sale price of $677.43 rounded to the nearest hundredth. The highest price at which the shares were sold was $677.84 and the lowest price at which the shares were sold was $677.02. 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: 0001628280-26-004922 · wk-form4_1770144562.xml · nonDerivative · entry 1

WELSH MARK A III · CIK 0001692554 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,296

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2025.

F2 · price: Represents the weighted average sale price of $676.14 rounded to the nearest hundredth. The highest price at which the shares were sold was $676.17 and the lowest price at which the shares were sold was $676.11. 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: 0001628280-26-001192 · wk-form4_1767821708.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 191,602.4

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 2, 2025.

SEC source: 0001628280-26-001192 · wk-form4_1767821708.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 194,602.4

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 2, 2025.

SEC source: 0001628280-26-000388 · wk-form4_1767645787.xml · nonDerivative · entry 1

KRISHNA ARVIND · CIK 0001629898 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,257

F1 · shares: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2024 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: 0001628280-26-000385 · wk-form4_1767645716.xml · nonDerivative · entry 1

Brown Marianne Catherine · CIK 0001804183 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,963

F1 · shares: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2024 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: 0001628280-25-056438 · wk-form4_1765461099.xml · nonDerivative · entry 1

ROEDER ROSHAN S · CIK 0001950117 · CVP & Pres. Mission Systems

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 403.91

F1 · shares: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 11, 2025.

SEC source: 0001628280-25-055942 · wk-form4_1765247657.xml · derivative · entry 4

ROEDER ROSHAN S · CIK 0001950117 · CVP & Pres. Mission Systems

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,829

Underlying: Common Stock · 328 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each Restricted Stock Right ("RSR") represents a contingent right to receive an equivalent number of shares in Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock.

F2 · derivative.exercise_date: Each Restricted Stock Right ("RSR") represents a contingent right to receive an equivalent number of shares in Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock.

F3 · derivative.expiration_date: Shares issued upon vesting of RSRs granted under the 2011 Long-Term Incentive Stock Plan on 12/5/23 that vested on 12/5/25.

SEC source: 0001628280-25-055942 · wk-form4_1765247657.xml · nonDerivative · entry 2

ROEDER ROSHAN S · CIK 0001950117 · CVP & Pres. Mission Systems

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 487.91

SEC source: 0001628280-25-055942 · wk-form4_1765247657.xml · nonDerivative · entry 1

ROEDER ROSHAN S · CIK 0001950117 · CVP & Pres. Mission Systems

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 646.91

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001628280-25-053935 · wk-form4_1764092807.xml · nonDerivative · entry 7

WELSH MARK A III · CIK 0001692554 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,281

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2025.

SEC source: 0001628280-25-053935 · wk-form4_1764092807.xml · nonDerivative · entry 6

WELSH MARK A III · CIK 0001692554 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,282

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2025.

F6 · price: Represents the weighted average sale price of $565.31 rounded to the nearest hundredth. The highest price at which the shares were sold was $565.76 and the lowest price at which the shares were sold was $565.02. 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: 0001628280-25-053935 · wk-form4_1764092807.xml · nonDerivative · entry 5

WELSH MARK A III · CIK 0001692554 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,294

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2025.

F5 · price: Represents the weighted average sale price of $564.36 rounded to the nearest hundredth. The highest price at which the shares were sold was $564.97 and the lowest price at which the shares were sold was $564.08. 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: 0001628280-25-053935 · wk-form4_1764092807.xml · nonDerivative · entry 4

WELSH MARK A III · CIK 0001692554 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,355

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2025.

F4 · price: Represents the weighted average sale price of $563.62 rounded to the nearest hundredth. The highest price at which the shares were sold was $563.87 and the lowest price at which the shares were sold was $563.01. 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: 0001628280-25-053935 · wk-form4_1764092807.xml · nonDerivative · entry 3

WELSH MARK A III · CIK 0001692554 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,364

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2025.

F3 · price: Represents the weighted average sale price of $562.52 rounded to the nearest hundredth. The highest price at which the shares were sold was $562.86 and the lowest price at which the shares were sold was $562.16. 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: 0001628280-25-053935 · wk-form4_1764092807.xml · nonDerivative · entry 2

WELSH MARK A III · CIK 0001692554 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,371

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2025.

F2 · price: Represents the weighted average sale price of $561.51 rounded to the nearest hundredth. The highest price at which the shares were sold was $561.68 and the lowest price at which the shares were sold was $561.31. 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: 0001628280-25-053935 · wk-form4_1764092807.xml · nonDerivative · entry 1

WELSH MARK A III · CIK 0001692554 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,377

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2025.

SEC source: 0001628280-25-043377 · wk-form4_1759340744.xml · nonDerivative · entry 1

Brown Marianne Catherine · CIK 0001804183 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,836

F1 · shares: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2024 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: 0001628280-25-043376 · wk-form4_1759340652.xml · nonDerivative · entry 1

KRISHNA ARVIND · CIK 0001629898 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,184

F1 · kind: Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2024 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: 0001628280-25-035333 · wk-form4_1752868975.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,206.595

F1 · shares: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2025.

SEC source: 0001628280-25-034479 · wk-form4_1751991031.xml · nonDerivative · entry 6

WELSH MARK A III · CIK 0001692554 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,363

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 30, 2024.

F6 · balance_after: Amount includes dividends held in a stock unit account pursuant to the Northrop Grumman 2024 Long-Term Incentive Stock Plan and the Northrop Grumman 2011 Long-Term Incentive Stock 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: 0001628280-25-034479 · wk-form4_1751991031.xml · nonDerivative · entry 5

WELSH MARK A III · CIK 0001692554 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,364

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 30, 2024.

F5 · price: Represents the weighted average sale price of $508.17 rounded to the nearest hundredth. The highest price at which the shares were sold was $508.31 and the lowest price at which the shares were sold was $508.04. 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: 0001628280-25-034479 · wk-form4_1751991031.xml · nonDerivative · entry 4

WELSH MARK A III · CIK 0001692554 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,369

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 30, 2024.

F4 · price: Represents the weighted average sale price of $507.25 rounded to the nearest hundredth. The highest price at which the shares were sold was $507.41 and the lowest price at which the shares were sold was $507.12. 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: 0001628280-25-034479 · wk-form4_1751991031.xml · nonDerivative · entry 3

WELSH MARK A III · CIK 0001692554 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,372

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 30, 2024.

F3 · price: Represents the weighted average sale price of $506.36 rounded to the nearest hundredth. The highest price at which the shares were sold was $506.89 and the lowest price at which the shares were sold was $506.00. 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: 0001628280-25-034479 · wk-form4_1751991031.xml · nonDerivative · entry 2

WELSH MARK A III · CIK 0001692554 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,393

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 30, 2024.

F2 · price: Represents the weighted average sale price of $505.44 rounded to the nearest hundredth. The highest price at which the shares were sold was $505.71 and the lowest price at which the shares were sold was $505.16. 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.