Leidos Holdings, Inc.

Q: Jul 3 2026

Q: Apr 3 2026

FY: Jan 2 2026

Q: Oct 3 2025

Q: Jul 4 2025

Q: Apr 4 2025

FY: Jan 3 2025

Q: Sep 27 2024

Q: Jun 28 2024

Q: Mar 29 2024

FY: Dec 29 2023

Q: Sep 29 2023

Q: Jun 30 2023

Q: Mar 31 2023

FY: Dec 30 2022

Q: Sep 30 2022

Q: Jul 1 2022

Q: Apr 1 2022

FY: Dec 31 2021

Q: Oct 1 2021

Entry into a Material Definitive Agreement

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Results of Operations and Financial Condition

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Results of Operations and Financial Condition

Entry into a Material Definitive Agreement

Completion of Acquisition or Disposition of Assets

Entry into a Material Definitive Agreement

Entry into a Material Definitive Agreement

Results of Operations and Financial Condition

Entry into a Material Definitive Agreement

Results of Operations and Financial Condition

Results of Operations and Financial Condition

Temporary Suspension of Trading Under Registrant's Employee Benefit Plans

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year

Results of Operations and Financial Condition

Other Events

Other Events

Entry into a Material Definitive Agreement

Other Events

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Prospectus Supplement for Delayed or Continuous Offering

Free Writing Prospectus

Free Writing Prospectus

Prospectus Supplement for Delayed or Continuous Offering

Automatic Shelf Registration

Prospectus Supplement for Delayed or Continuous Offering

Free Writing Prospectus

Free Writing Prospectus

Prospectus Supplement for Delayed or Continuous Offering

Prospectus Supplement for Delayed or Continuous Offering

Automatic Shelf Registration

Prospectus Supplement for Delayed or Continuous Offering

Free Writing Prospectus

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Registration statement under Securities Act of 1933

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Certification of termination of registration of a class of securities (Section 12(b))

Written communication about a business combination transaction (Rule 425)

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Preliminary Proxy Statement

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Preliminary Proxy Statement

Shareholder Letter

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

McElfresh Jeffery S.

KRAEMER HARRY M JANSEN JR

Antal Daniel J.

Cage Christopher R

Stevens Roy E

SHAPARD ROBERT S

May Gary Stephen

May Gary Stephen

Geer Noel B

Geer Noel B

Porter Elizabeth A

Cage Christopher R

Stevens Roy E

KRAEMER HARRY M JANSEN JR

KRAEMER HARRY M JANSEN JR

SHAPARD ROBERT S

Stevens Roy E

Cage Christopher R

Antal Daniel J.

SHAPARD ROBERT S

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Specialized Disclosure Report

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Specialized Disclosure Report

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Specialized Disclosure Report

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Specialized Disclosure Report

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Specialized Disclosure Report

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Specialized Disclosure Report

Correspondence with the SEC

Correspondence with the SEC