LDOSLeidos

Industrials · IT Services · NYSE

Leidos Holdings, Inc. (“Leidos”), a Delaware corporation, is a holding company whose direct 100%-owned subsidiary and principal operating company is Leidos, Inc. 10-K, Item 1

Headquarters: Reston, VA
CEO: Thomas Arthur Bell
Next results: around Feb 16, 2027

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Timeline

1 yr 2 yr 3 yr

Annual report (10-K)Quarterly report (10-Q)Current report (8-K)Auditor changeCEO, CFO, COO or CAO changeRestatementLate filing noticeInsider purchaseCluster buy (3+ insiders)SEC comment letterShare offering (S-3, 424B)

20252026

All 32 events

Nov 3, 20268-K Quarterly results 8-K item 2.02
Nov 3, 202610-Q Quarterly report (10-Q) period ended Oct 2, 2026
Oct 5, 20268-K Material agreement signed, Regulation FD disclosure 8-K items 1.01, 7.01
Oct 1, 20268-K Director or officer change 8-K item 5.02
Aug 4, 20268-K Quarterly results 8-K item 2.02
Aug 4, 202610-Q Quarterly report (10-Q) period ended Jul 3, 2026
May 6, 20268-K Director or officer change, Shareholder vote results 8-K items 5.02, 5.07
May 5, 20268-K Quarterly results 8-K item 2.02
May 5, 202610-Q Quarterly report (10-Q) period ended Apr 3, 2026
Apr 15, 20268-K Material agreement signed, Regulation FD disclosure 8-K items 1.01, 7.01
Mar 30, 20268-K Acquisition or sale of assets completed, Regulation FD disclosure 8-K items 2.01, 7.01
Mar 3, 20268-K Material agreement signed, New debt or obligation 8-K items 1.01, 2.03
Feb 19, 2026Offering Shelf registration: shares and other securities, amount not fixed S-3ASR · We or our subsidiary above may offer from time to time the securities noted above.
Feb 17, 20268-K Quarterly results, Regulation FD disclosure 8-K items 2.02, 7.01
Feb 17, 20268-K Material agreement signed, New debt or obligation 8-K items 1.01, 2.03
Feb 17, 202610-K Annual report (10-K) period ended Jan 2, 2026
Jan 26, 20268-K Material agreement signed, Regulation FD disclosure 8-K items 1.01, 7.01
Nov 4, 20258-K Quarterly results 8-K item 2.02
Nov 4, 202510-Q Quarterly report (10-Q) period ended Oct 3, 2025
Aug 5, 20258-K Quarterly results 8-K item 2.02
Aug 5, 202510-Q Quarterly report (10-Q) period ended Jul 4, 2025
May 15, 20258-K Item 5.04 8-K item 5.04
May 6, 20258-K Quarterly results, Regulation FD disclosure 8-K items 2.02, 7.01
May 6, 20258-K Bylaws or fiscal year changed, Shareholder vote results 8-K items 5.03, 5.07
May 6, 202510-Q Quarterly report (10-Q) period ended Apr 4, 2025
Feb 25, 20258-K Other events 8-K item 8.01
Feb 24, 20258-K Other events 8-K item 8.01
Feb 20, 20258-K Material agreement signed, New debt or obligation 8-K items 1.01, 2.03
Feb 13, 20258-K Other events 8-K item 8.01
Feb 11, 20258-K Quarterly results 8-K item 2.02
Feb 11, 202510-K Annual report (10-K) period ended Jan 3, 2025
Jan 14, 20258-K Director or officer change 8-K item 5.02

From the SEC filing index. Insider purchases go back 180 days (the Form 4s downloaded).

Every filing LDOS made with the SEC since Feb 18, 2020, newest first, linked to the document on sec.gov. Press releases with quarterly results are attached to the 8-Ks marked "Quarterly results".

All 1012 Annual & quarterly 28 Current reports (8-K) 77 Insiders 831 Proxy & votes 17 Big owners (13D/13G) 21 Shares & debt offered 14 SEC letters 9 Other 15

Filed	Form	What it is	Period
Mar 19, 2026	DEFA14A	Extra proxy material		all files
Mar 19, 2026	DEF 14A	Proxy statement	May 1, 2026	all files
Mar 17, 2025	DEFA14A	Extra proxy material		all files
Mar 17, 2025	DEF 14A	Proxy statement	Dec 31, 2024	all files
Mar 7, 2025	PRE 14A		Dec 31, 2024	all files
Mar 12, 2024	DEFA14A	Extra proxy material		all files
Mar 12, 2024	DEF 14A	Proxy statement	Mar 12, 2024	all files
Mar 15, 2023	DEFA14A	Extra proxy material		all files
Mar 15, 2023	DEF 14A	Proxy statement		all files
Mar 16, 2022	DEFA14A	Extra proxy material		all files
Mar 16, 2022	DEF 14A	Proxy statement	Apr 29, 2022	all files
Mar 19, 2021	DEFA14A	Extra proxy material		all files
Mar 19, 2021	DEF 14A	Proxy statement	Apr 30, 2021	all files
Apr 10, 2020	DEFA14A	Extra proxy material		all files
Mar 20, 2020	DEFA14A	Extra proxy material		all files
Mar 20, 2020	DEF 14A	Proxy statement	May 1, 2020	all files
Mar 6, 2020	PRE 14A		May 1, 2020	all files

From SEC's filing index (data.sec.gov submissions).

Work on LDOS in a spreadsheet: Excel workbook (a sheet per section, ten years by column, charts, links to the filings) · CSV. For a Google Sheet that stays up to date, paste =IMPORTDATA("https://tickdelta.com/company/LDOS/export.csv") into a cell.