LDOS

SEC source: 0001628280-25-010731 · wk-form4_1741225109.xml · nonDerivative · entry 2

Schmanske Mary Vicki · CIK 0001755309 · Sector President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,011

F1 · kind: These shares were withheld by the Company to satisfy the reporting person's tax obligation associated with previously reported awards of restricted stock units. This share withholding was authorized in the restricted stock award agreement.

SEC source: 0001628280-25-010744 · wk-form4_1741225712.xml · nonDerivative · entry 4

Cage Christopher R · CIK 0001779866 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By Key Executive Stock Deferral Plan

Disclosed balance after: 25,392.0469

SEC source: 0001628280-25-010744 · wk-form4_1741225712.xml · nonDerivative · entry 3

Cage Christopher R · CIK 0001779866 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By Key Executive Stock Deferral Plan

Disclosed balance after: 25,375.4828

F1 · kind: These shares were withheld by the Company to satisfy the reporting person's tax obligation associated with previously reported awards of restricted stock units. This share withholding was authorized in the restricted stock award agreement.

SEC source: 0001628280-25-010744 · wk-form4_1741225712.xml · nonDerivative · entry 2

Cage Christopher R · CIK 0001779866 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,031

F1 · kind: These shares were withheld by the Company to satisfy the reporting person's tax obligation associated with previously reported awards of restricted stock units. This share withholding was authorized in the restricted stock award agreement.

SEC source: 0001628280-25-010742 · wk-form4_1741225631.xml · nonDerivative · entry 2

Carlini James F. · CIK 0001926985 · EVP, Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,048

F1 · kind: These shares were withheld by the Company to satisfy the reporting person's tax obligation associated with previously reported awards of restricted stock units. This share withholding was authorized in the restricted stock award agreement.

SEC source: 0001628280-25-010740 · wk-form4_1741225549.xml · nonDerivative · entry 2

Fasano Gerard A · CIK 0001682553 · Chief Growth Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 98,257.4459

F1 · kind: These shares were withheld by the Company to satisfy the reporting person's tax obligation associated with previously reported awards of restricted stock units. This share withholding was authorized in the restricted stock award agreement.

SEC source: 0001628280-25-010735 · wk-form4_1741225315.xml · nonDerivative · entry 2

Porter Elizabeth A · CIK 0001820381 · Sector President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,842

F1 · kind: These shares were withheld by the Company to satisfy the reporting person's tax obligation associated with previously reported awards of restricted stock units. This share withholding was authorized in the restricted stock award agreement.

SEC source: 0001628280-25-010729 · wk-form4_1741224969.xml · nonDerivative · entry 2

Stevens Roy E · CIK 0001755314 · Sector President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,789

F1 · kind: These shares were withheld by the Company to satisfy the reporting person's tax obligation associated with previously reported awards of restricted stock units. This share withholding was authorized in the restricted stock award agreement.

SEC source: 0001628280-25-010737 · wk-form4_1741225419.xml · nonDerivative · entry 1

Fautsch Leslie K. · CIK 0002040206 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,587

F1 · kind: These shares were withheld by the Company to satisfy the reporting person's tax obligation associated with previously reported awards of restricted stock units. This share withholding was authorized in the restricted stock award agreement.

SEC source: 0001628280-25-010746 · wk-form4_1741225779.xml · nonDerivative · entry 1

Atkinson Daniel A. · CIK 0002008776 · SVP, Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,778

F1 · kind: These shares were withheld by the Company to satisfy the reporting person's tax obligation associated with previously reported awards of restricted stock units. This share withholding was authorized in the restricted stock award agreement.

SEC source: 0001628280-25-010733 · wk-form4_1741225206.xml · nonDerivative · entry 1

Hull Stephen Edward · CIK 0002002273 · Sector President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,994.4421

F1 · kind: These shares were withheld by the Company to satisfy the reporting person's tax obligation associated with previously reported awards of restricted stock units. This share withholding was authorized in the restricted stock award agreement.

SEC source: 0001628280-25-010731 · wk-form4_1741225109.xml · nonDerivative · entry 1

Schmanske Mary Vicki · CIK 0001755309 · Sector President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,355

F1 · kind: These shares were withheld by the Company to satisfy the reporting person's tax obligation associated with previously reported awards of restricted stock units. This share withholding was authorized in the restricted stock award agreement.

SEC source: 0001628280-25-010744 · wk-form4_1741225712.xml · nonDerivative · entry 1

Cage Christopher R · CIK 0001779866 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,245

F1 · kind: These shares were withheld by the Company to satisfy the reporting person's tax obligation associated with previously reported awards of restricted stock units. This share withholding was authorized in the restricted stock award agreement.

SEC source: 0001628280-25-010742 · wk-form4_1741225631.xml · nonDerivative · entry 1

Carlini James F. · CIK 0001926985 · EVP, Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,324

F1 · kind: These shares were withheld by the Company to satisfy the reporting person's tax obligation associated with previously reported awards of restricted stock units. This share withholding was authorized in the restricted stock award agreement.

SEC source: 0001628280-25-010740 · wk-form4_1741225549.xml · nonDerivative · entry 1

Fasano Gerard A · CIK 0001682553 · Chief Growth Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 98,582.4459

F1 · kind: These shares were withheld by the Company to satisfy the reporting person's tax obligation associated with previously reported awards of restricted stock units. This share withholding was authorized in the restricted stock award agreement.

SEC source: 0001628280-25-010735 · wk-form4_1741225315.xml · nonDerivative · entry 1

Porter Elizabeth A · CIK 0001820381 · Sector President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,212

F1 · kind: These shares were withheld by the Company to satisfy the reporting person's tax obligation associated with previously reported awards of restricted stock units. This share withholding was authorized in the restricted stock award agreement.

SEC source: 0001628280-25-010729 · wk-form4_1741224969.xml · nonDerivative · entry 1

Stevens Roy E · CIK 0001755314 · Sector President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,123

F1 · kind: These shares were withheld by the Company to satisfy the reporting person's tax obligation associated with previously reported awards of restricted stock units. This share withholding was authorized in the restricted stock award agreement.

SEC source: 0001628280-25-008729 · wk-form4_1740692813.xml · derivative · entry 5

SHAPARD ROBERT S · CIK 0001121300 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,070 shares

Expires 2025-05-10

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: 0001628280-25-008729 · wk-form4_1740692813.xml · nonDerivative · entry 2

SHAPARD ROBERT S · CIK 0001121300 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,205.08

F1 · kind: Represents shares of common stock withheld by the issuer in connection with the option exercise to cover the exercise price and associated fees.

SEC source: 0001628280-25-008729 · wk-form4_1740692813.xml · nonDerivative · entry 1

SHAPARD ROBERT S · CIK 0001121300 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,207.08

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: 0001628280-25-007842 · wk-form4_1740521758.xml · derivative · entry 3

KRAEMER HARRY M JANSEN JR · CIK 0001082877 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,070 shares

Expires 2025-05-10

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: 0001628280-25-007842 · wk-form4_1740521758.xml · nonDerivative · entry 1

KRAEMER HARRY M JANSEN JR · CIK 0001082877 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,360

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: 0001628280-25-006392 · wk-form4_1740000735.xml · derivative · entry 11

STALNECKER SUSAN M · CIK 0001221375 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,296 shares

Expires 2030-05-04

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: 0001628280-25-006392 · wk-form4_1740000735.xml · derivative · entry 10

STALNECKER SUSAN M · CIK 0001221375 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,769 shares

Expires 2029-05-05

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: 0001628280-25-006392 · wk-form4_1740000735.xml · derivative · entry 9

STALNECKER SUSAN M · CIK 0001221375 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,123 shares

Expires 2028-05-06

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: 0001628280-25-006392 · wk-form4_1740000735.xml · derivative · entry 8

STALNECKER SUSAN M · CIK 0001221375 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,345 shares

Expires 2026-05-09

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: 0001628280-25-006392 · wk-form4_1740000735.xml · derivative · entry 7

STALNECKER SUSAN M · CIK 0001221375 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,070 shares

Expires 2025-05-10

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: 0001628280-25-006392 · wk-form4_1740000735.xml · nonDerivative · entry 6

STALNECKER SUSAN M · CIK 0001221375 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,985

F1 · kind: Represents shares of common stock withheld by the issuer in connection with the option exercise to cover the exercise price and associated fees.

SEC source: 0001628280-25-006392 · wk-form4_1740000735.xml · nonDerivative · entry 5

STALNECKER SUSAN M · CIK 0001221375 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,263

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: 0001628280-25-006392 · wk-form4_1740000735.xml · nonDerivative · entry 4

STALNECKER SUSAN M · CIK 0001221375 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,967

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: 0001628280-25-006392 · wk-form4_1740000735.xml · nonDerivative · entry 3

STALNECKER SUSAN M · CIK 0001221375 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,198

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: 0001628280-25-006392 · wk-form4_1740000735.xml · nonDerivative · entry 2

STALNECKER SUSAN M · CIK 0001221375 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,075

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: 0001628280-25-006392 · wk-form4_1740000735.xml · nonDerivative · entry 1

STALNECKER SUSAN M · CIK 0001221375 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,730

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: 0001628280-25-006386 · wk-form4_1740000676.xml · derivative · entry 3

Porter Elizabeth A · CIK 0001820381 · Sector President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,524 shares

Expires 2025-03-01

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: 0001628280-25-006386 · wk-form4_1740000676.xml · nonDerivative · entry 2

Porter Elizabeth A · CIK 0001820381 · Sector President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,858

F1 · kind: Represents shares of common stock withheld by the issuer in connection with the option exercise to cover the exercise price and associated fees.

SEC source: 0001628280-25-006386 · wk-form4_1740000676.xml · nonDerivative · entry 1

Porter Elizabeth A · CIK 0001820381 · Sector President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,581

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: 0001628280-25-006383 · wk-form4_1740000602.xml · derivative · entry 4

May Gary Stephen · CIK 0001635110 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,070 shares

Expires 2025-05-10

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: 0001628280-25-006383 · wk-form4_1740000602.xml · nonDerivative · entry 3

May Gary Stephen · CIK 0001635110 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,264

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices from $130.99 to $131.53 inclusive. The reporting person undertakes to providing to Leidos Holdings, Inc., any security holder of Leidos Holdings, Inc., or the staff of the Securities Exchange Commission upon request, full information regarding the number of shares sold at each separate price within the aforementioned range.

SEC source: 0001628280-25-006383 · wk-form4_1740000602.xml · nonDerivative · entry 2

May Gary Stephen · CIK 0001635110 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,392

F1 · kind: Represents shares of common stock withheld by the issuer in connection with the option exercise to cover the exercise price and associated fees.

SEC source: 0001628280-25-006383 · wk-form4_1740000602.xml · nonDerivative · entry 1

May Gary Stephen · CIK 0001635110 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,334

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: 0001628280-25-006380 · wk-form4_1740000492.xml · derivative · entry 3

Hull Stephen Edward · CIK 0002002273 · Sector President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,589 shares

Expires 2025-03-01

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: 0001628280-25-006380 · wk-form4_1740000492.xml · nonDerivative · entry 2

Hull Stephen Edward · CIK 0002002273 · Sector President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,330.4421

F1 · kind: Represents shares of common stock withheld by the issuer in connection with the option exercise to cover the exercise price and associated fees.

F2 · balance_after: Includes shares acquired by the reporting person through the Company's Employee Stock Purchase Plan since the last reported transaction.

SEC source: 0001628280-25-006380 · wk-form4_1740000492.xml · nonDerivative · entry 1

Hull Stephen Edward · CIK 0002002273 · Sector President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,993.4421

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: 0001628280-25-005768 · wk-form4_1739568804.xml · derivative · entry 4

Kovarik Robert C JR · CIK 0001512157 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,345 shares

Expires 2026-05-09

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: 0001628280-25-005768 · wk-form4_1739568804.xml · nonDerivative · entry 3

Kovarik Robert C JR · CIK 0001512157 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,408

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices from $134.51 to $134.665 inclusive. The reporting person undertakes to providing to Leidos Holdings, Inc., any security holder of Leidos Holdings, Inc., or the staff of the Securities Exchange Commission upon request, full information regarding the number of shares sold at each separate price within the aforementioned range.

SEC source: 0001628280-25-005768 · wk-form4_1739568804.xml · nonDerivative · entry 2

Kovarik Robert C JR · CIK 0001512157 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,919

F1 · kind: Represents shares of common stock withheld by the issuer in connection with the option exercise to cover the exercise price and associated fees.

SEC source: 0001628280-25-005768 · wk-form4_1739568804.xml · nonDerivative · entry 1

Kovarik Robert C JR · CIK 0001512157 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,753

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: 0001628280-25-005764 · wk-form4_1739568729.xml · derivative · entry 3

Dahlberg Gregory R · CIK 0001682434 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,070 shares

Expires 2025-05-10

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: 0001628280-25-005764 · wk-form4_1739568729.xml · nonDerivative · entry 2

Dahlberg Gregory R · CIK 0001682434 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,445

F1 · kind: Represents shares of common stock withheld by the issuer in connection with the option exercise to cover the exercise price and associated fees.

SEC source: 0001628280-25-005764 · wk-form4_1739568729.xml · nonDerivative · entry 1

Dahlberg Gregory R · CIK 0001682434 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,861

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.