As Of	Filer	Filing¹	For·On·As	Docs:Size	Issuer		Filing Agent

10/17/06  Dahlberg Kenneth C                4          Dir.,Off.²  1:18K  Leidos Holdings, Inc.             Leidos Holdings, Inc.    
10/17/06  Leidos Holdings, Inc.             8-K:1,2,3,510/13/06    7:291K                                   Donnelley … Solutions/FA 
10/13/06  Leidos Holdings, Inc.             424B4                  1:3.5M                                   Donnelley … Solutions/FA 
10/13/06  Leidos Holdings, Inc.             8-K:8,9    10/12/06    2:22K                                    Donnelley … Solutions/FA 
10/13/06  Leidos Holdings, Inc.             FWP                    1:11K  Leidos Holdings, Inc.             Donnelley … Solutions/FA 
10/12/06‡ Leidos Holdings, Inc.             EFFECT     10/12/06    1:2K                                     SEC #5                   

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‡	A non-Insider-Ownership Filing that was accepted after the SEC “closed” at 5:30:00pm ET.  The legal “Filed As Of” date may be the next, or another, day.
¹	Filing/Form Types:
	4	Statement of Changes in Beneficial Ownership of Securities by an Insider — Form 4 { The Filer is an Insider² of the Issuer }.
	8-K	Current Report — Form 8-K { Item 1: Business & Operations;  2: Financial Info;  3: Securities & Trading;  4: Accountants & Accounting;  5: Governance & Management;  6: Asset-Backed Securities;  7: Disclosures;  8: Events;  9: Financials }.
	424B4	Prospectus – Info Previously Omitted & New Facts or Events.
	EFFECT	SEC Notice of Effectiveness.
	FWP	Prospectus – Free Writing.
²	Insider:  The Filer is a Director, Officer, 10% Owner and/or Other “insider” of the Issuer.