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Porter Elizabeth A

Disclosed activity across 1 company

Tapewire entity
25786
SEC CIK
0001820381

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Leidos Holdings, Inc.LDOS · Entity 668Sector PresidentAugust 04, 2026August 06, 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.

Leidos Holdings, Inc.

Report date August 04, 2026 · Filed August 06, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect44,384 Reported balance After 2026-08-04 transaction · row 1
1 source row

Row 1 · 2026-08-04 · Tax withholding · Disposed 5,092 · Balance 44,384

F1: 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.

Filing footnotes · ownership attribution and instrument terms

F1: 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.

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 08, 2022 Filed Mar 10, 2022 22:11 UTC Leidos Holdings, Inc. LDOS · Entity 668 Tax withholdingCommon Stock 74 $106.86 $7,907.64
Disclosure

SEC source: 0001628280-22-005755 · wf-form4_164695025252348.xml · nonDerivative · entry 1

Porter Elizabeth A · CIK 0001820381 · Group President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,348

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.

Read SEC document
March 06, 2022 Filed Mar 9, 2022 01:05 UTC Leidos Holdings, Inc. LDOS · Entity 668 Tax withholdingCommon Stock 45 $105.08 $4,728.60
Disclosure

SEC source: 0001628280-22-005478 · wf-form4_164678788851831.xml · nonDerivative · entry 1

Porter Elizabeth A · CIK 0001820381 · Group President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,422

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.

Read SEC document
March 06, 2022 Filed Mar 22, 2022 23:21 UTC Amendment Leidos Holdings, Inc. LDOS · Entity 668 Tax withholdingCommon Stock 45 $107.71 $4,846.95
Disclosure

SEC source: 0001628280-22-006955 · wf-form4a_164799130329280.xml · nonDerivative · entry 2

Porter Elizabeth A · CIK 0001820381 · Group President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,150

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.

F2 · price: This report amends the Form 4 filed by the reporting person on March 8, 2022, to correct an administrative error in reporting (1) the number of shares withheld by the Company to satisfy the reporting person's tax obligation associated with the vesting of previously reported awards of restricted stock units, and (2) the price at which such shares were withheld.

Read SEC document
March 05, 2022 Filed Mar 22, 2022 23:21 UTC Amendment Leidos Holdings, Inc. LDOS · Entity 668 Tax withholdingCommon Stock 272 $107.71 $29,297.12
Disclosure

SEC source: 0001628280-22-006955 · wf-form4a_164799130329280.xml · nonDerivative · entry 1

Porter Elizabeth A · CIK 0001820381 · Group President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,195

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.

F2 · shares: This report amends the Form 4 filed by the reporting person on March 8, 2022, to correct an administrative error in reporting (1) the number of shares withheld by the Company to satisfy the reporting person's tax obligation associated with the vesting of previously reported awards of restricted stock units, and (2) the price at which such shares were withheld.

F2 · price: This report amends the Form 4 filed by the reporting person on March 8, 2022, to correct an administrative error in reporting (1) the number of shares withheld by the Company to satisfy the reporting person's tax obligation associated with the vesting of previously reported awards of restricted stock units, and (2) the price at which such shares were withheld.

Read SEC document
March 04, 2022 Filed Mar 9, 2022 01:05 UTC Leidos Holdings, Inc. LDOS · Entity 668 GrantStock Option (Right to Buy) · Derivative 8,604 $0.00 Strike: $105.08 $0.00
Disclosure

SEC source: 0001628280-22-005478 · wf-form4_164678788851831.xml · derivative · entry 2

Porter Elizabeth A · CIK 0001820381 · Group President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,604

Underlying: Common Stock · 8,604 shares

Expires 2029-03-03

F2 · derivative.exercise_date: The options vest and become exercisable in four equal annual installments beginning on March 4, 2023.

Read SEC document
March 02, 2022 Filed Mar 4, 2022 21:32 UTC Leidos Holdings, Inc. LDOS · Entity 668 Tax withholdingCommon Stock 70 $104.75 $7,332.50
Disclosure

SEC source: 0001628280-22-005154 · wf-form4_164642955862647.xml · nonDerivative · entry 1

Porter Elizabeth A · CIK 0001820381 · Group President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,467

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.

Read SEC document
February 10, 2022 Filed Feb 14, 2022 23:54 UTC Leidos Holdings, Inc. LDOS · Entity 668 Tax withholdingCommon Stock 565 $88.43 $49,962.95
Disclosure

SEC source: 0001628280-22-002611 · wf-form4_164488285679434.xml · nonDerivative · entry 2

Porter Elizabeth A · CIK 0001820381 · Group President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,537

F1 · shares: These shares were withheld by the Company to satisfy the reporting person's tax obligation associated with the settlement of performance shares. This share withholding was authorized in the performance share award agreement.

Read SEC document
February 10, 2022 Filed Feb 14, 2022 23:54 UTC Leidos Holdings, Inc. LDOS · Entity 668 GrantCommon Stock 4,813 $0.00 $0.00
Disclosure

SEC source: 0001628280-22-002611 · wf-form4_164488285679434.xml · nonDerivative · entry 1

Porter Elizabeth A · CIK 0001820381 · Group President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,102

Read SEC document
November 09, 2021 Filed Nov 12, 2021 21:30 UTC Leidos Holdings, Inc. LDOS · Entity 668 Tax withholdingCommon Stock 759 $95.82 $72,727.38
Disclosure

SEC source: 0001628280-21-023181 · wf-form4_163675261490422.xml · nonDerivative · entry 1

Porter Elizabeth A · CIK 0001820381 · Group President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,289

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 therestricted stock award agreement.

Read SEC document
August 07, 2021 Filed Aug 10, 2021 22:30 UTC Leidos Holdings, Inc. LDOS · Entity 668 Tax withholdingCommon Stock 179 $94.38 $16,894.02
Disclosure

SEC source: 0001628280-21-016463 · wf-form4_162863459831104.xml · nonDerivative · entry 1

Porter Elizabeth A · CIK 0001820381 · Group President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,048

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.

Read SEC document
March 08, 2021 Filed Mar 10, 2021 01:29 UTC Leidos Holdings, Inc. LDOS · Entity 668 Tax withholdingCommon Stock 74 $90.72 $6,713.28
Disclosure

SEC source: 0001628280-21-004344 · wf-form4_161533977745795.xml · nonDerivative · entry 2

Porter Elizabeth A · CIK 0001820381 · Group President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,227

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.

Read SEC document
March 06, 2021 Filed Mar 10, 2021 01:29 UTC Leidos Holdings, Inc. LDOS · Entity 668 Tax withholdingCommon Stock 45 $90.72 $4,082.40
Disclosure

SEC source: 0001628280-21-004344 · wf-form4_161533977745795.xml · nonDerivative · entry 1

Porter Elizabeth A · CIK 0001820381 · Group President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,301

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.

Read SEC document
March 05, 2021 Filed Mar 10, 2021 01:29 UTC Leidos Holdings, Inc. LDOS · Entity 668 GrantStock Option (Right to Buy) · Derivative 9,696 $0.00 Strike: $89.08 $0.00
Disclosure

SEC source: 0001628280-21-004344 · wf-form4_161533977745795.xml · derivative · entry 3

Porter Elizabeth A · CIK 0001820381 · Group President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,696

Underlying: Common Stock · 9,696 shares

Expires 2028-03-04

F2 · shares: The option award vests in four equal annual installments beginning on March 5, 2022.

Read SEC document
March 03, 2021 Filed Mar 5, 2021 21:59 UTC Leidos Holdings, Inc. LDOS · Entity 668 Tax withholdingCommon Stock 83 $90.04 $7,473.32
Disclosure

SEC source: 0001628280-21-004067 · wf-form4_161498155612892.xml · nonDerivative · entry 1

Porter Elizabeth A · CIK 0001820381 · Group President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,346

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.

Read SEC document
March 02, 2021 Filed Mar 5, 2021 00:39 UTC Leidos Holdings, Inc. LDOS · Entity 668 Tax withholdingCommon Stock 70 $92.44 $6,470.80
Disclosure

SEC source: 0001628280-21-003987 · wf-form4_161490472902956.xml · nonDerivative · entry 1

Porter Elizabeth A · CIK 0001820381 · Group President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,429

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.

Read SEC document
February 18, 2021 Filed Feb 23, 2021 01:11 UTC Leidos Holdings, Inc. LDOS · Entity 668 Tax withholdingCommon Stock 576 $105.48 $60,756.48
Disclosure

SEC source: 0001628280-21-002705 · wf-form4_161404267992952.xml · nonDerivative · entry 2

Porter Elizabeth A · CIK 0001820381 · Group President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,499

F1 · shares: These shares were withheld by the Company to satisfy the reporting person's tax obligation associated with the settlement of performance shares. This share withholding was authorized in the performance share award agreement.

Read SEC document
February 18, 2021 Filed Feb 23, 2021 01:11 UTC Leidos Holdings, Inc. LDOS · Entity 668 GrantCommon Stock 3,740 $0.00 $0.00
Disclosure

SEC source: 0001628280-21-002705 · wf-form4_161404267992952.xml · nonDerivative · entry 1

Porter Elizabeth A · CIK 0001820381 · Group President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,075

Read SEC document
August 07, 2020 Filed Aug 10, 2020 21:46 UTC Leidos Holdings, Inc. LDOS · Entity 668 GrantStock Option (Right to Buy) · Derivative 6,785 $0.00 Strike: $91.01 $0.00
Disclosure

SEC source: 0001628280-20-012379 · wf-form4_159709597135281.xml · derivative · entry 1

Porter Elizabeth A · CIK 0001820381 · Group President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,785

Underlying: Common Stock · 6,785 shares

Expires 2027-08-06

F1 · derivative.exercise_date: The option award vests in four equal annual installments beginning on August 7, 2021.

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.