8-K 1 cw0312_8k0312.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 25, 2003 CW (Depositor) (Issuer in respect of Mortgage Pass - Through Certificates, Atlernative Loan (Exact name of registrant as specified in charter) Delaware 33-63714 95-4449516 (State or other (Commission File No.) (I.R.S. Employer jurisdiction of Identification No.) organization) , , N/A 91110-7137 (Address of principal executive offices) (Zip Code) Registrant's Telephone Number, including area code: (818)-304-4428 Not Applicable (Former name, former address and former fiscal year, if changed since last report) Item 5. Other Events CW Mortgage Pass - Through Certificates Atlernative Loan Trust 2003-4CB On December 25, 2003, The Bank of New York, as Trustee for CW, Mortgage Pass - Through Certificates Atlernative Loan Trust 2003-4CB, made a monthly distribution to Certificate holders of principal and/or interest pursuant to the Pooling and Servicing Agreement, dated as of February 1, 2003, among CW as Depositor, Countrywide Home Loans, Seller and Master Servicer and The Bank of New York, as Trustee. Item 7. Financial Statements and Exhibits (c) Exhibits Exhibit No. Description 99 Report to Holders of CW, Mortgage Pass - Through Certificates Atlernative Loan Trust 2003-4CB relating to the distribution date of December 25, 2003 prepared by The Bank of New York, as Trustee under the Pooling and Servicing Agreement dated as of February 1, 2003. SIGNATURES 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. Dated: December 25, 2003 CW By: /s/ Courtney Bartholomew ------------------------------ Name: Courtney Bartholomew Vice President The Bank of New York, as Trustee EXHIBIT INDEX Exhibit 99 Monthly Remittance Statement dated December 25, 2003 Payment Date: 12/25/03 ------------------------------------------------------------ Countrywide Home Loans Mortgage Pass - Through Certificates, Atlernative Loan Trust 2003-4CB Series 2003-12 ------------------------------------------------------------

Payment Date: 12/25/03 ------------------------------------------------------------ Countrywide Home Loans Mortgage Pass - Through Certificates, Atlernative Loan Trust 2003-4CB Series 2003-12 ------------------------------------------------------------

------------------------------------------------------------ Countrywide Home Loans Mortgage Pass - Through Certificates, Atlernative Loan Trust 2003-4CB Series 2003-12 ------------------------------------------------------------ -------------------------------------------------------------------------------- COLLATERAL INFORMATION -------------------------------------------------------------------------------- Total ----- Prin balance 435,970,230.85 139,048,185.13 575,018,415.98 Loan count 2813 1070 3883 Avg loan rate 6.465282% 5.730444% 6.29 Prepay amount 8,059,506.84 975,666.06 9,035,172.90 -------------------------------------------------------------------------------- FEES AND ADVANCES -------------------------------------------------------------------------------- Total ----- Master serv fees 262,074.13 84,287.97 346,362.10 Sub servicer fees 5,378.35 383.65 5,762.00 Trustee fees 3,333.51 1,054.28 4,387.79 Agg advances N/A N/A N/A Adv this period 38,450.23 1,634.17 40,084.40 -------------------------------------------------------------------------------- LOSSES & INSURANCE COVERAGES -------------------------------------------------------------------------------- Total ----- Realized losses 0.00 0.00 0.00 Cumulative losses 0.00 0.00 0.00 Coverage Amounts Total ---------------- ----- Bankruptcy 151,898.53 46,281.47 198,180.00 Fraud 5,250,302.43 1,599,697.57 6,850,000.00 Special Hazard 5,850,383.29 0.00 5,850,383.29 Aggregate Certificate Information ----------------------------------------------------------------------------- Class Aggregate Aggregate Aggregate Type Percentage Prepay Pct. End Cert. Bal. ----------------------------------------------------------------------------- Senior 95.103108% 100.000000% 556,344,588.06 ----------------------------------------------------------------------------- Junior 4.896892% 0.000000% 28,646,373.34 ----------------------------------------------------------------------------- -------------------------------------------------------------------------------- DELINQUENCY INFORMATION -------------------------------------------------------------------------------- Period Loan Count Ending Stated Balance ------ ---------- --------------------- 30 to 59 days 15 2,429,768.07 60 to 89 days 6 1,194,699.09 90 or more 6 558,916.69 Foreclosure 9 1,297,252.83 Totals: 36 5,480,636.68 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- REO INFORMATION -------------------------------------------------------------------------------- REO Date Loan Number Ending Stated Balance Book Value -------- ----------- --------------------- ---------- N/A # 0 N/A N/A # 0 N/A N/A # 0 N/A N/A # 0 N/A N/A # 0 N/A N/A # 0 N/A N/A # 0 N/A N/A # 0 N/A Totals: 0 N/A Current Total Outstanding Balance: 0.00 Current Total Outstanding Number of Loans: 0 -------------------------------------------------------------------------------- OTHER INFORMATION -------------------------------------------------------------------------------- Amount/Withdrawal Total/Ending Bal. ----------------- ----------------- Available remittance amount 12,729,352.36 12,729,352.36 Principal remittance amount 10,019,913.04 10,019,913.04 Interest remittance amount 2,709,439.32 2,709,439.32

CWMBS INC MORTGAGE PASS THRU CERTIFICATES SERIES 2003-12 8-K