1 unchanged sentence
RULE 10B5-1 TRADING ARRANGEMENT
−Removed: The following table includes the material terms of each trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1 (c) under the Securities Exchange Act of 1934, as amended ("Rule 10b5-1 Plan") by our executive officers and directors during the three months ended October 3, 2025.
−Removed: Name and title
−Removed: Date of adoption (1)
−Removed: Date of termination
−Removed: Scheduled expiration date (2)
−Removed: Aggregate number of shares of common stock to be purchased or sold (3)
−Removed: Porter , President Health & Civil
−Removed: September 12, 2025
−Removed: April 8, 2026
−Removed: Up to 8,000 shares
−Removed: (1) Transactions under each Rule 10b5-1 Plan commence no earlier than 90 days after adoption, or such later date as required by Rule 10b5-1.
−Removed: (2) Each Rule 10b5-1 Plan may expire on such earlier date as all transactions are completed.
−Removed: (3) Each Rule 10b5-1 Plan provides for shares to be sold on multiple predetermined dates.
+Added: During the three months ended April 3, 2026, no director or officer of the Company adopted , modified or terminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408(c) of Regulation S-K.
Leidos Holdings, Inc.
1 unchanged sentence
Number Description of Exhibit
−Removed: 3.1 Restated Certificate of Incorporation of Leidos Holdings, Inc., dated as of August 1, 2025.
−Removed: Incorporated by reference to Exhibit 3.1 to our Quarterly Report on Form 10-Q, filed with the SEC on August 5, 2025.
+Added: 4.1 Officers' Certificate of Leidos, Inc., dated as of March 2, 2026 .
+Added: Incorporated by reference to Exhibit 4.1 to our Current Report on Form 8-K filed with the SEC on March 3, 2026.
+Added: 4.2 Form of Global Note representing Leidos, Inc.'s 4.100% Notes due 2029.
+Added: Included in Exhibit 4.1 and incorporated by reference to Exhibit 4.2 to our Current Report on Form 8-K filed with the SEC on March 3, 2026.
+Added: 4.3 Form of Global Note representing Leidos, Inc.'s 5.000% Notes due 2036.
+Added: Included in Exhibit 4.1 and incorporated by reference to Exhibit 4.3 to our Current Report on Form 8-K filed with the SEC on March 3, 2026.
+Added: 10.1 Stock Purchase Agreement, dated January 23, 2026, by and among Leidos, Inc., KENE Holdings, L.P.
+Added: and KENE Parent, Inc.
+Added: Incorporated by reference to Exhibit 10.1 to our Current Report on Form 8-K filed with the SEC on January 26, 2026.
+Added: 10.2 Restatement Agreement, dated as of February 12, 2026, by and among Leidos Holdings, Inc., Leidos, Inc., the guarantors party thereto, the lenders party thereto and Citibank, N.A., as administrative agent.
+Added: Incorporated by reference to Exhibit 10.1 to our Current Report on Form 8-K filed with the SEC on February 17, 2026.
22 List of Guarantors and Subsidiary Issuers of Guaranteed Securities.
−Removed: Incorporated herein by reference to Exhibit 22 to our Quarterly Report on Form 10-Q, filed with the SEC on May 6, 2025 .
31.1 Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
11 unchanged sentences
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
−Removed: November 4, 2025
Leidos Holdings, Inc.
5 unchanged sentences
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.