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

 3/30/05‡ WaMu Mtge Pass-Through … 2004-CB3 10-K       12/31/04    3:12K                                    Kelly Cecelia Anne/FA    
 1/27/05  WaMu Mtge Pass-Through … 2004-CB3 15-15D      1/27/05    1:7K                                     Kelly Cecelia Anne/FA    
12/29/04  WaMu Mtge Pass-Through … 2004-CB3 8-K:8,9    12/27/04    2:277K                                   Latic Selimag… Ermina/FA 
11/30/04  WaMu Mtge Pass-Through … 2004-CB3 8-K:8,9    11/26/04    2:277K                                   Latic Selimag… Ermina/FA 
10/27/04  WaMu Mtge Pass-Through … 2004-CB3 8-K:8,9    10/25/04    2:277K                                   Latic Selimag… Ermina/FA 
 9/29/04  WaMu Mtge Pass-Through … 2004-CB3 8-K:8,9     9/27/04    2:277K                                   Latic Selimag… Ermina/FA 
  9/8/04  WaMu Mtge Pass-Through … 2004-CB3 8-K:9       8/24/04    2:1.1M                                   Kelly Cecelia Anne/FA    
 8/23/04  Washington Mutual Mtge Secs Corp. 424B5                  1:714K WaMu Mtge Pass-Through … 2004-CB3 Command F… Self-Filer/FA 

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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:  -K
	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 }.
	10-K	Annual Report — Form 10-K.
	15-15D	Notice of a Suspension of Duty to File Reports — Form 15.
	424B5	Prospectus – Primary Offering or Shelf Securities – New Facts or Events.