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Simpson Kathryn G

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63508
SEC CIK
0001986485

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CompanyLast reported asReport datePublished
NORTHROP GRUMMAN CORP /DE/NOC · Entity 2963Corp VP & General CounselMarch 02, 2026March 03, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

NORTHROP GRUMMAN CORP /DE/

Report date March 02, 2026 · Filed March 03, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect1.39 Reported balance After 2026-03-02 transaction · row 1
1 source row

Row 1 · 2026-03-02 · Sale · Disposed 873 · Balance 1.39

F1: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 28, 2025.

Filing footnotes · ownership attribution and instrument terms

F1: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 28, 2025.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
March 02, 2026 Filed Mar 3, 2026 21:03 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 SaleCommon Stock 873 $745.00 $650,385.00
Disclosure

SEC source: 0001628280-26-013772 · wk-form4_1772571789.xml · nonDerivative · entry 1

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1.39

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 28, 2025.

Read SEC document
February 19, 2026 Filed Feb 21, 2026 01:01 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 SaleCommon Stock 194 $727.62 $141,158.28
Disclosure

SEC source: 0001628280-26-010367 · wk-form4_1771635706.xml · nonDerivative · entry 1

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 874.39

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 28, 2025.

Read SEC document
February 17, 2026 Filed Feb 19, 2026 21:24 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 Exercise / conversionRestricted Stock Rights · Derivative 387 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-009782 · wk-form4_1771536249.xml · derivative · entry 4

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 5,168

Underlying: Common Stock · 387 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 ("2011 LTISP") on 2/16/23 that vested on 2/17/26.

F4 · balance_after: Total amount includes (i) 1,732 RSRs granted under the 2011 LTISP on 2/14/24 that will vest on 2/16/27; (ii) 1,965 RSRs granted under the 2024 LTISP on 2/18/25 that will vest on 2/18/28; and (iii) 1,471 RSRs granted under 2024 LTISP on 2/11/26 that will vest on 2/12/29.

Read SEC document
February 17, 2026 Filed Feb 19, 2026 21:24 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 SaleCommon Stock 779 $702.56 $547,294.24
Disclosure

SEC source: 0001628280-26-009782 · wk-form4_1771536249.xml · nonDerivative · entry 3

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,068.39

F1 · shares: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 28, 2025.

Read SEC document
February 17, 2026 Filed Feb 19, 2026 21:24 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 Tax withholdingCommon Stock 193 $701.12 $135,316.16
Disclosure

SEC source: 0001628280-26-009782 · wk-form4_1771536249.xml · nonDerivative · entry 2

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,847.39

Read SEC document
February 17, 2026 Filed Feb 19, 2026 21:24 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 Exercise / conversionCommon Stock 387 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-009782 · wk-form4_1771536249.xml · nonDerivative · entry 1

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,040.39

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.

Read SEC document
February 11, 2026 Filed Feb 13, 2026 21:17 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 Exercise / conversionRestricted Performance Stock Rights · Derivative 1,334.96 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-008127 · wk-form4_1771017430.xml · derivative · entry 5

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,245

Underlying: Common Stock · 1,334.96 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.

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).

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).

F7 · balance_after: Total amount includes (i) 3,774 RPSRs granted under the 2011 LTISP on 2/14/24 with a measurement period ending on 12/31/26; (ii) 4,284 RPSRs granted under the 2024 LTISP on 2/18/25 with a measurement period ending on 12/31/27; and (iii) 3,187 RPSRs granted under the 2024 LTISP on 2/11/26 with a measurement period ending 12/31/28.

Read SEC document
February 11, 2026 Filed Feb 13, 2026 21:17 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 GrantRestricted Stock Rights · Derivative 1,471 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-008127 · wk-form4_1771017430.xml · derivative · entry 4

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,555

Underlying: Common Stock · 1,471 shares

Expires not disclosed

F4 · 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.

F4 · 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.

F5 · derivative.expiration_date: The RSRs were granted under the 2024 LTISP on 2/11/26 and will vest on 2/12/29.

F6 · balance_after: Total amount includes (i) 387 RSRs granted under the 2011 LTISP on 2/16/23 that will vest on 2/17/26; (ii) 1,732 RSRs granted under the 2011 LTISP on 2/14/24 that will vest on 2/16/27; (iii) 1,965 RSRs granted under the 2024 LTISP on 2/18/25 that will vest on 2/18/28; and (iv) 1,471 RSRs granted under 2024 LTISP on 2/11/26 that will vest on 2/12/29.

Read SEC document
February 11, 2026 Filed Feb 13, 2026 21:17 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 GrantRestricted Performance Stock Rights · Derivative 3,619.96 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-008127 · wk-form4_1771017430.xml · derivative · entry 3

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,579.96

Underlying: Common Stock · 3,619.96 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) 432.96 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) 3,187 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 1,334.96 shares were issued in settlement of the 2023 RPSRs with a measurement period that ended 12/31/25, and the target award amount of 902 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) 1,334.96 vested RPSRs granted under the 2011 LTISP on 2/16/23 with a measurement period ended on 12/31/25; (ii) 3,774 RPSRs granted under the 2011 LTISP on 2/14/24 with a measurement period ending on 12/31/26; (iii) 4,284 RPSRs granted under the 2024 LTISP on 2/18/25 with a measurement period ending on 12/31/27; and (iv) 3,187 RPSRs granted under the 2024 LTISP on 2/11/26 with a measurement period ending on 12/31/28.

Read SEC document
February 11, 2026 Filed Feb 13, 2026 21:17 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 Tax withholdingCommon Stock 461 $678.83 $312,940.63
Disclosure

SEC source: 0001628280-26-008127 · wk-form4_1771017430.xml · nonDerivative · entry 2

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,653.39

Read SEC document
February 11, 2026 Filed Feb 13, 2026 21:17 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 Exercise / conversionCommon Stock 1,334.96 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-008127 · wk-form4_1771017430.xml · nonDerivative · entry 1

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,114.39

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.

Read SEC document
February 20, 2025 Filed Feb 24, 2025 21:48 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 SaleCommon Stock 1,035 $429.08 $444,097.80
Disclosure

SEC source: 0001628280-25-007396 · wk-form4_1740433678.xml · nonDerivative · entry 1

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 779.43

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 March 5, 2024.

Read SEC document
February 18, 2025 Filed Feb 20, 2025 22:18 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 Exercise / conversionRestricted Stock Rights · Derivative 468 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-006864 · wk-form4_1740089922.xml · derivative · entry 9

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,084

Underlying: Common Stock · 468 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.

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

F9 · derivative.expiration_date: Shares issued upon vesting of RSRs granted under the 2011 LTISP on 2/15/22 that vested on 2/18/25.

Read SEC document
February 18, 2025 Filed Feb 20, 2025 22:18 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 Exercise / conversionRestricted Performance Stock Rights · Derivative 1,096.75 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-006864 · wk-form4_1740089922.xml · derivative · entry 8

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,960

Underlying: Common Stock · 1,096.75 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) 902 RPSRs granted under the 2011 LTISP on 2/16/23 with a measurement period ending on 12/31/25; (ii) 3,774 RPSRs granted under the 2011 LTISP on 2/14/24 with a measurement period ending on 12/31/26; and (iii) 4,284 RPSRs granted under the 2024 LITSP on 2/15/25 with a measurement period ending on 12/31/27.

Read SEC document
February 18, 2025 Filed Feb 20, 2025 22:18 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 GrantRestricted Stock Rights · Derivative 1,965 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-006864 · wk-form4_1740089922.xml · derivative · entry 7

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,552

Underlying: Common Stock · 1,965 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 2/18/2025 and will vest on 2/18/2028.

F7 · balance_after: Total amount includes (i) 468 RSRs granted under the 2011 LTISP on 2/15/22 that vested on 2/18/25; (ii) 387 RSRs granted under the 2011 LTISP on 2/16/23 that will vest on 2/17/26; (iii) 1,732 RSRs granted under the 2011 LTISP on 2/14/24 that will vest on 2/16/27; and (iv) 1,965 RSRs granted under 2024 LTISP on 2/18/25 that will vest on 2/18/28.

Read SEC document
February 18, 2025 Filed Feb 20, 2025 22:18 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 GrantRestricted Performance Stock Rights · Derivative 4,355.75 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-006864 · wk-form4_1740089922.xml · derivative · entry 6

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,056.75

Underlying: Common Stock · 4,355.75 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) 71.75 vested RPSRs with respect to the measurement period ended 12/31/24 acquired due to settlement of the RPSRs granted under the 2011 Long-Term Incentive Stock Plan ("2011 LTISP") on 2/15/22 that resulted in settlement at 107% of the target award; and (ii) 4,284 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 1,096.75 shares were issued in settlement of the 2022 RPSRs with a measurement period that ended 12/31/24, and the target award amount of 1,025 RPSRs was previously reported in connection with the grant of the 2022 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) 1,096.75 vested RPSRs granted under the 2011 LTISP on 2/15/22 with a measurement period ended on 12/31/24; (ii) 902 RPSRs granted under the 2011 LTISP on 2/16/23 with a measurement period ending on 12/31/25; (iii) 3,774 RPSRs granted under the 2011 LTISP on 2/14/24 with a measurement period ending on 12/31/26; and (iv) 4,284 RPSRs granted under the 2024 LTISP on 2/18/25 with a measurement period ending on 12/31/27.

Read SEC document
February 18, 2025 Filed Feb 20, 2025 22:18 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 SaleCommon Stock 889 $445.35 $395,916.15
Disclosure

SEC source: 0001628280-25-006864 · wk-form4_1740089922.xml · nonDerivative · entry 5

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,814.43

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 March 5, 2024.

Read SEC document
February 18, 2025 Filed Feb 20, 2025 22:18 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 Tax withholdingCommon Stock 163 $441.36 $71,941.68
Disclosure

SEC source: 0001628280-25-006864 · wk-form4_1740089922.xml · nonDerivative · entry 4

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,703.43

Read SEC document
February 18, 2025 Filed Feb 20, 2025 22:18 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 Exercise / conversionCommon Stock 468 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-006864 · wk-form4_1740089922.xml · nonDerivative · entry 3

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,866.43

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.

Read SEC document
February 18, 2025 Filed Feb 20, 2025 22:18 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 Tax withholdingCommon Stock 366 $441.36 $161,537.76
Disclosure

SEC source: 0001628280-25-006864 · wk-form4_1740089922.xml · nonDerivative · entry 2

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,398.43

Read SEC document
February 18, 2025 Filed Feb 20, 2025 22:18 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 Exercise / conversionCommon Stock 1,096.75 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-006864 · wk-form4_1740089922.xml · nonDerivative · entry 1

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,764.43

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.

Read SEC document
February 21, 2024 Filed Feb 23, 2024 19:18 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 SaleCommon Stock 356 $454.68 $161,866.08
Disclosure

SEC source: 0001628280-24-006611 · wk-form4_1708715881.xml · nonDerivative · entry 1

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,667.68

Read SEC document
February 20, 2024 Filed Feb 21, 2024 22:20 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 SaleCommon Stock 711 $453.22 $322,239.42
Disclosure

SEC source: 0001628280-24-005977 · wk-form4_1708554015.xml · nonDerivative · entry 4

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,023.68

Read SEC document
February 16, 2024 Filed Feb 21, 2024 22:20 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 Exercise / conversionRestricted Stock Rights · Derivative 619 $0.00 $0.00
Disclosure

SEC source: 0001628280-24-005977 · wk-form4_1708554015.xml · derivative · entry 5

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,587

Underlying: Common Stock · 619 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.

F1 · 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.

F1 · 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.

F2 · derivative.expiration_date: Shares issued upon vesting of RSRs granted under the Long-Term Incentive Stock Plan ("LTISP") on 2/16/21 that vested on 2/16/24.

Read SEC document
February 16, 2024 Filed Feb 21, 2024 22:20 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 SaleCommon Stock 1,273 $450.37 $573,321.01
Disclosure

SEC source: 0001628280-24-005977 · wk-form4_1708554015.xml · nonDerivative · entry 3

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,734.68

Read SEC document
February 16, 2024 Filed Feb 21, 2024 22:20 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 Tax withholdingCommon Stock 263 $450.96 $118,602.48
Disclosure

SEC source: 0001628280-24-005977 · wk-form4_1708554015.xml · nonDerivative · entry 2

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,007.68

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February 16, 2024 Filed Feb 21, 2024 22:20 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 Exercise / conversionCommon Stock 619 $0.00 $0.00
Disclosure

SEC source: 0001628280-24-005977 · wk-form4_1708554015.xml · nonDerivative · entry 1

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,270.68

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.

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February 14, 2024 Filed Feb 16, 2024 19:21 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 Exercise / conversionRestricted Performance Stock Rights · Derivative 1,919.01 $0.00 $0.00
Disclosure

SEC source: 0001628280-24-005304 · wk-form4_1708111269.xml · derivative · entry 5

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,701

Underlying: Common Stock · 1,919.01 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).

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February 14, 2024 Filed Feb 16, 2024 19:21 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 GrantRestricted Performance Stock Rights · Derivative 4,332.01 $0.00 $0.00
Disclosure

SEC source: 0001628280-24-005304 · wk-form4_1708111269.xml · derivative · entry 4

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,620.01

Underlying: Common Stock · 4,332.01 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) 558.01 vested RPSRs with respect to the measurement period ended 12/31/23 acquired due to settlement of the RPSRs granted under the LTISP on 2/16/21 that resulted in settlement at 141% of the target award; and (ii) 3,774 unvested RPSRs granted under the LTISP on 2/14/24 with a measurement period ending on 12/31/26. A total of 1,919.01 shares were issued in settlement of the 2021 RPSRs with a measurement period that ended 12/31/23, and the target award amount of 1,361 RPSRs was previously reported on Form 3.

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).

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February 14, 2024 Filed Feb 16, 2024 19:21 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 GrantRestricted Stock Rights · Derivative 1,732 $0.00 $0.00
Disclosure

SEC source: 0001628280-24-005304 · wk-form4_1708111269.xml · derivative · entry 3

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,206

Underlying: Common Stock · 1,732 shares

Expires not disclosed

F1 · 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. The RSRs were granted under the Long-Term Incentive Stock Plan ('LTISP") on 2/14/24 and will vest on 2/14/27.

F1 · 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. The RSRs were granted under the Long-Term Incentive Stock Plan ('LTISP") on 2/14/24 and will vest on 2/14/27.

F1 · derivative.expiration_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. The RSRs were granted under the Long-Term Incentive Stock Plan ('LTISP") on 2/14/24 and will vest on 2/14/27.

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February 14, 2024 Filed Feb 16, 2024 19:21 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 Tax withholdingCommon Stock 646 $446.37 $288,355.02
Disclosure

SEC source: 0001628280-24-005304 · wk-form4_1708111269.xml · nonDerivative · entry 2

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,651.68

Read SEC document
February 14, 2024 Filed Feb 16, 2024 19:21 UTC NORTHROP GRUMMAN CORP /DE/ NOC · Entity 2963 Exercise / conversionCommon Stock 1,919.01 $0.00 $0.00
Disclosure

SEC source: 0001628280-24-005304 · wk-form4_1708111269.xml · nonDerivative · entry 1

Simpson Kathryn G · CIK 0001986485 · Corp VP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,297.68

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.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.