EXHIBIT 10.1

CONTACT: CUSTOMER SERVICES -- CTSLINK
         WELLS FARGO BANK MINNESOTA, N.A.
         SECURITIES ADMINISTRATION SERVICES
         7485 NEW HORIZON WAY
         FREDERICK, MD  21703
         WWW.CTSLINK.COM
         TELEPHONE: (301) 815-6600
         FAX: (301) 315-6660

                                SMT SERIES 2004-4
                         RECORD DATE: DECEMBER 31, 2004
                       DISTRIBUTION DATE: JANUARY 20, 2005

                     CERTIFICATEHOLDER DISTRIBUTION SUMMARY



                     Certificate                          Beginning
                        Class      Certificate Pass-     Certificate      Interest
 Class     CUSIP     Description      Through Rate         Balance      Distribution
- ------   ---------   -----------   -----------------   --------------   ------------
                                                         
   A     81744FBF3       SEN            2.46125%       685,144,387.25   1,405,259.69
  X-1    81744FBG1       SEN            0.80000%                 0.00     394,074.04
  X-2    81744FBH9       SEN            0.27257%                 0.00     155,652.79
  X-B    81744FBJ5       SEN            0.36852%                 0.00       7,057.63
  B-1    81744FBK2       SUB            2.91000%        14,612,000.00      35,434.10
  B-2    81744FBL0       SUB            3.31000%         8,350,000.00      23,032.08
  B-3    81744FBM8       SUB            3.42398%         4,175,000.00      11,912.59
  B-4    81744FBN6       SUB            3.42398%         2,509,000.00       7,158.97
  B-5    81744FBP1       SUB            3.42398%         2,088,000.00       5,957.72
  B-6    81744FBQ9       SUB            3.42398%         3,757,983.00      10,722.71
  A-R    81744FBR7       RES            2.77956%                 0.00           0.00
                                                       --------------   ------------
Totals                                                 720,636,370.25   2,056,262.32
                                                       ==============   ============




           Principal        Current      Ending Certificate       Total         Cumulative
 Class    Distribution   Realized Loss         Balance         Distribution   Realized Loss
- ------   -------------   -------------   ------------------   -------------   -------------
                                                                
   A     14,922,797.07        0.00         670,221,590.18     16,328,056.76        0.00
  X-1             0.00        0.00                   0.00        394,074.04        0.00
  X-2             0.00        0.00                   0.00        155,652.79        0.00
  X-B             0.00        0.00                   0.00          7,057.63        0.00
  B-1             0.00        0.00          14,612,000.00         35,434.10        0.00
  B-2             0.00        0.00           8,350,000.00         23,032.08        0.00
  B-3             0.00        0.00           4,175,000.00         11,912.59        0.00
  B-4             0.00        0.00           2,509,000.00          7,158.97        0.00
  B-5             0.00        0.00           2,088,000.00          5,957.72        0.00
  B-6             0.00        0.00           3,757,983.00         10,722.71        0.00
  A-R             0.00        0.00                   0.00              0.00        0.00
         -------------        ----         --------------     -------------        ----
Totals   14,922,797.07        0.00         705,713,573.18     16,979,059.39        0.00
         =============        ====         ==============     =============        ====


All distributions required by the Pooling and Servicing Agreement have been
calculated by the Certificate Administrator on behalf of the Trustee.

                        PRINCIPAL DISTRIBUTION STATEMENT



                             Beginning       Scheduled     Unscheduled
          Original Face     Certificate      Principal      Principal                 Realized
 Class       Amount           Balance      Distribution    Distribution   Accretion   Loss (1)
- ------   --------------   --------------   ------------   -------------   ---------   --------
                                                                    
   A     799,511,000.00   685,144,387.25      444.86      14,922,352.21      0.00       0.00
  X-1              0.00             0.00        0.00               0.00      0.00       0.00
  X-2              0.00             0.00        0.00               0.00      0.00       0.00
  X-B              0.00             0.00        0.00               0.00      0.00       0.00
  B-1     14,612,000.00    14,612,000.00        0.00               0.00      0.00       0.00
  B-2      8,350,000.00     8,350,000.00        0.00               0.00      0.00       0.00
  B-3      4,175,000.00     4,175,000.00        0.00               0.00      0.00       0.00
  B-4      2,509,000.00     2,509,000.00        0.00               0.00      0.00       0.00
  B-5      2,088,000.00     2,088,000.00        0.00               0.00      0.00       0.00
  B-6      3,757,983.00     3,757,983.00        0.00               0.00      0.00       0.00
  A-R            100.00             0.00        0.00               0.00      0.00       0.00
         --------------   --------------      ------      -------------      ----       ----
Totals   835,003,083.00   720,636,370.25      444.86      14,922,352.21      0.00       0.00
         ==============   ==============      ======      =============      ====       ====




         Total Principal   Ending Certificate   Ending Certificate   Total Principal
 Class      Reduction            Balance            Percentage         Distribution
- ------   ---------------   ------------------   ------------------   ---------------
                                                         
   A      14,922,797.07      670,221,590.18         0.83828939        14,922,797.07
  X-1              0.00                0.00         0.00000000                 0.00
  X-2              0.00                0.00         0.00000000                 0.00
  X-B              0.00                0.00         0.00000000                 0.00
  B-1              0.00       14,612,000.00         1.00000000                 0.00
  B-2              0.00        8,350,000.00         1.00000000                 0.00
  B-3              0.00        4,175,000.00         1.00000000                 0.00
  B-4              0.00        2,509,000.00         1.00000000                 0.00
  B-5              0.00        2,088,000.00         1.00000000                 0.00
  B-6              0.00        3,757,983.00         1.00000000                 0.00
  A-R              0.00                0.00         0.00000000                 0.00
          -------------      --------------         ----------        -------------
Totals    14,922,797.07      705,713,573.18         0.84516284        14,922,797.07
          =============      ==============         ==========        =============


(1)  Amount does not include excess special hazard, bankruptcy, or fraud losses
     unless otherwise disclosed. Please refer to the prospectus supplement for a
     full description.

                    PRINCIPAL DISTRIBUTION FACTORS STATEMENT



                           Beginning       Scheduled     Unscheduled
         Original Face    Certificate      Principal      Principal                   Realized
Class       Amount          Balance      Distribution    Distribution    Accretion    Loss (3)
- -----   --------------   -------------   ------------   -------------   ----------   ----------
                                                                    
  A     799,511,000.00    856.95429738    0.00055642     18.66434885    0.00000000   0.00000000
 X-1              0.00      0.00000000    0.00000000      0.00000000    0.00000000   0.00000000
 X-2              0.00      0.00000000    0.00000000      0.00000000    0.00000000   0.00000000
 X-B              0.00      0.00000000    0.00000000      0.00000000    0.00000000   0.00000000
 B-1     14,612,000.00   1000.00000000    0.00000000      0.00000000    0.00000000   0.00000000
 B-2      8,350,000.00   1000.00000000    0.00000000      0.00000000    0.00000000   0.00000000
 B-3      4,175,000.00   1000.00000000    0.00000000      0.00000000    0.00000000   0.00000000
 B-4      2,509,000.00   1000.00000000    0.00000000      0.00000000    0.00000000   0.00000000
 B-5      2,088,000.00   1000.00000000    0.00000000      0.00000000    0.00000000   0.00000000
 B-6      3,757,983.00   1000.00000000    0.00000000      0.00000000    0.00000000   0.00000000
 A-R            100.00      0.00000000    0.00000000      0.00000000    0.00000000   0.00000000




        Total Principal   Ending Certificate   Ending Certificate   Total Principal
Class      Reduction            Balance            Percentage         Distribution
- -----   ---------------   ------------------   ------------------   ---------------
                                                        
  A       18.66490526         838.28939212         0.83828939         18.66490526
 X-1       0.00000000           0.00000000         0.00000000          0.00000000
 X-2       0.00000000           0.00000000         0.00000000          0.00000000
 X-B       0.00000000           0.00000000         0.00000000          0.00000000
 B-1       0.00000000        1000.00000000         1.00000000          0.00000000
 B-2       0.00000000        1000.00000000         1.00000000          0.00000000
 B-3       0.00000000        1000.00000000         1.00000000          0.00000000
 B-4       0.00000000        1000.00000000         1.00000000          0.00000000
 B-5       0.00000000        1000.00000000         1.00000000          0.00000000
 B-6       0.00000000        1000.00000000         1.00000000          0.00000000
 A-R       0.00000000           0.00000000         0.00000000          0.00000000


(3)  Amount does not include excess special hazard, bankruptcy, or fraud losses
     unless otherwise disclosed. Please refer to the prospectus supplement for a
     full description.

                         INTEREST DISTRIBUTION STATEMENT



                                                Beginning                    Payment of
                                              Certificate/       Current       Unpaid
          Original Face        Current          Notional         Accrued      Interest
 Class       Amount       Certificate Rate       Balance        Interest      Shortfall
- ------   --------------   ----------------   --------------   ------------   ----------
                                                              
   A     799,511,000.00       2.46125%       685,144,387.25   1,405,259.69      0.00
  X-1              0.00       0.80000%       591,070,494.30     394,047.00      0.00
  X-2              0.00       0.27257%       685,144,387.25     155,625.75      0.00
  X-B              0.00       0.36852%        22,962,000.00       7,051.62      0.00
  B-1     14,612,000.00       2.91000%        14,612,000.00      35,434.10      0.00
  B-2      8,350,000.00       3.31000%         8,350,000.00      23,032.08      0.00
  B-3      4,175,000.00       3.42398%         4,175,000.00      11,912.59      0.00
  B-4      2,509,000.00       3.42398%         2,509,000.00       7,158.97      0.00
  B-5      2,088,000.00       3.42398%         2,088,000.00       5,957.72      0.00
  B-6      3,757,983.00       3.42398%         3,757,983.00      10,722.71      0.00
  A-R            100.00       2.77956%                 0.00           0.00      0.00
         --------------                                       ------------      ----
Totals   835,003,083.00                                       2,056,202.23      0.00
         ==============                                       ============      ====




                        Non-                                 Remaining       Ending
          Current    Supported                                 Unpaid     Certificate/
          Interest    Interest   Realized   Total Interest    Interest     Notational
 Class   Shortfall   Shortfall   Loss (4)    Distribution    Shortfall       Balance
- ------   ---------   ---------   --------   --------------   ---------   --------------
                                                       
   A        0.00       (0.01)      0.00      1,405,259.69       0.00     670,221,590.18
  X-1       0.00        0.00       0.00        394,074.04       0.00     568,976,882.65
  X-2       0.00        0.00       0.00        155,652.79       0.00     670,221,590.18
  X-B       0.00        0.00       0.00          7,057.63       0.00      22,962,000.00
  B-1       0.00        0.00       0.00         35,434.10       0.00      14,612,000.00
  B-2       0.00        0.00       0.00         23,032.08       0.00       8,350,000.00
  B-3       0.00        0.00       0.00         11,912.59       0.00       4,175,000.00
  B-4       0.00        0.00       0.00          7,158.97       0.00       2,509,000.00
  B-5       0.00        0.00       0.00          5,957.72       0.00       2,088,000.00
  B-6       0.00        0.00       0.00         10,722.71       0.00       3,757,983.00
  A-R       0.00        0.00       0.00              0.00       0.00               0.00
            ----       -----       ----      ------------       ----
Totals      0.00       (0.01)      0.00      2,056,262.32       0.00
            ====       =====       ====      ============       ====


(4)  Amount does not include excess special hazard, bankruptcy, or fraud losses
     unless otherwise disclosed. Please refer to the prospectus supplement for a
     full description.

                     INTEREST DISTRIBUTION FACTORS STATEMENT



                                                                            Payment of
                           Current         Beginning                          Unpaid
Class    Original Face   Certificate     Certificate/     Current Accrued    Interest
 (5)        Amount           Rate      Notional Balance       Interest       Shortfall
- -----   --------------   -----------   ----------------   ---------------   ----------
                                                             
  A     799,511,000.00     2.46125%       856.95429738       1.75764898     0.00000000
 X-1              0.00     0.80000%       739.29000889       0.49286001     0.00000000
 X-2              0.00     0.27257%       856.96529738       0.19465117     0.00000000
 X-B              0.00     0.36852%      1000.00000000       0.30709956     0.00000000
 B-1     14,612,000.00     2.91000%      1000.00000000       2.42500000     0.00000000
 B-2      8,350,000.00     3.31000%      1000.00000000       2.75833293     0.00000000
 B-3      4,175,000.00     3.42398%      1000.00000000       2.85331497     0.00000000
 B-4      2,509,000.00     3.42398%      1000.00000000       2.85331606     0.00000000
 B-5      2,088,000.00     3.42398%      1000.00000000       2.85331418     0.00000000
 B-6      3,757,983.00     3.42398%      1000.00000000       2.85331520     0.00000000
 A-R            100.00     2.77956%         0.00000000       0.00000000     0.00000000




                                                                       Remaining
          Current    Non-Supported                                      Unpaid
Class    Interest       Interest      Realized       Total Interest    Interest    Ending Certificate/
 (5)     Shortfall     Shortfall      Loss (6)        Distribution     Shortfall    Notational Balance
- -----   ----------   -------------   ----------      --------------   ----------   -------------------
                                                                 
  A     0.00000000    (0.00000001)   0.00000000        1.75764898     0.00000000       838.28939212
 X-1    0.00000000     0.00000000    0.00000000        0.49289383     0.00000000       711,65610311
 X-2    0.00000000     0.00000000    0.00000000        0.19468499     0.00000000       838.28939212
 X-B    0.00000000     0.00000000    0.00000000        0.30736129     0.00000000      1000.00000000
 B-1    0.00000000     0.00000000    0.00000000        2.42500000     0.00000000      1000.00000000
 B-2    0.00000000     0.00000000    0.00000000        2.75833293     0.00000000      1000.00000000
 B-3    0.00000000     0.00000000    0.00000000        2.85331497     0.00000000      1000.00000000
 B-4    0.00000000     0.00000000    0.00000000        2.85331606     0.00000000      1000.00000000
 B-5    0.00000000     0.00000000    0.00000000        2.58331418     0.00000000      1000.00000000
 B-6    0.00000000     0.00000000    0.00000000        2.85331520     0.00000000      1000.00000000
 A-R    0.00000000     0.00000000    0.00000000        0.00000000     0.00000000         0.00000000


(5)  Per $1 denomination

(6)  Amount does not include excess special hazard,  bankruptcy, or fraud losses
     unless otherwise disclosed. Please refer to the prospectus supplement for a
     full description.

                       CERTIFICATEHOLDER ACCOUNT STATEMENT

                               CERTIFICATE ACCOUNT


                                                                
Beginning Balance                                                           0.00

Deposits
   Payments of Interest and Principal                              17,226,665.24
   Liquidations, Insurance Proceeds, Reserve Funds                          0.00
   Proceeds from Repurchased Loans                                          0.00
   Other Amounts (Servicer Advances)                                   14,338.68
   Realized Losses (Gains, Subsequent Expenses & Recoveries)                0.00
   Prepayment Penalties                                                     0.00
                                                                   -------------
Total Deposits                                                     17,241,003.92

Withdrawals
   Reimbursement for Servicer Advances                                 31,669.78
   Payment of Service Fee                                             230,274.75
   Payment of Interest and Principal                               16,979,059.39
                                                                   -------------
Total Withdrawals (Pool Distribution Amount)                       17,241,003.92

Ending Balance                                                              0.00
                                                                   =============


                    PREPAYMENT/CURTAILMENT INTEREST SHORTFALL


                                                                        
Total Prepayment/Curtailment Interest Shortfall                             0.00
Servicing Fee Support                                                       0.00
                                                                           -----

Non-Supported Prepayment Curtailment Interest Shortfall                    (0.01)
                                                                           =====


                                 SERVICING FEES


                                                                   
Gross Servicing Fee                                                   225,770.74
Master Servicing Fee                                                    4,504.01
Supported Prepayment/Curtailment Interest Shortfall                         0.00
                                                                      ----------

Net Servicing Fee                                                     230,274.75
                                                                      ==========


                                 OTHER ACCOUNTS



                        Beginning     Current      Current    Ending
     Account Type        Balance    Withdrawals   Deposits    Balance
- ---------------------   ---------   -----------   --------   --------
                                                 
Class X-1 Sub Account    4,500.00      27.04        27.04    4,500.00
Class X-2 Sub Account    4,500.00      27.04        27.04    4,500.00
Class X-B Sub Account    1,000.00       6.01         6.01    1,000.00


             LOAN STATUS STRATIFICATION/CREDIT ENHANCEMENT STATEMENT



            DELINQUENT                          BANKRUPTCY                        FORECLOSURE
- ---------------------------------   ---------------------------------   ------------------------------
            No. of     Principal                No. of     Principal                No. of   Principal
             Loans      Balance                  Loans      Balance                  Loans    Balance
            ------   ------------               ------   ------------               ------   ---------
                                                                      
0-29 Days      0             0.00   0-29 Days      0         0.00       0-29 Days      0       0.00
30 Days       15     3,517,921.78   30 Days        0         0.00       30 Days        0       0.00
60 Days        3       869,873.67   60 Days        0         0.00       60 Days        0       0.00
90 Days        1       138,400.00   90 Days        0         0.00       90 Days        0       0.00
120 Days       0             0.00   120 Days       0         0.00       120 Days       0       0.00
150 Days       0             0.00   150 Days       0         0.00       150 Days       0       0.00
180+ Days      2       312,548.71   180+ Days      0         0.00       180+ Days      0       0.00
             ---     ------------                 --         ----                     --       ----
              21     4,838,744.16                  0         0.00                      0       0.00
              ==     ============                 ==         ====                     ==       ====




               REO                                TOTAL
- --------------------------------    ---------------------------------
            No. of     Principal                No. of    Principal
             Loans      Balance                  Loans     Balance
            ------   ------------               ------   ------------
                                          
0-29 Days      0         0.00       0-29 Days       0            0.00
30 Days        0         0.00       30 Days        15    3,517,921.78
60 Days        0         0.00       60 Days         3      869,873.67
90 Days        0         0.00       90 Days         1      138,400.00
120 Days       0         0.00       120 Days        0            0.00
150 Days       0         0.00       150 Days        0            0.00
180+ Days      0         0.00       180+ Days       2      312,548.71
              --         ----                      --    ------------
               0         0.00                      21    4,838,744.16
              ==         ====                      ==    ============




           DELINQUENT                         BANKRUPTCY                        FORECLOSURE
- --------------------------------   --------------------------------   --------------------------------
             No. of    Principal                No. of    Principal                No. of    Principal
              Loans     Balance                  Loans     Balance                  Loans     Balance
            --------   ---------               --------   ---------               --------   ---------
                                                                     
0-29 Days   0.000000%   0.000000%  0-29 Days   0.000000%   0.000000%  0-29 Days   0.000000%  0.000000%
30 Days     0.679656%   0.498490%  30 Days     0.000000%   0.000000%  30 Days     0.000000%  0.000000%
60 Days     0.135931%   0.123261%  60 Days     0.000000%   0.000000%  60 Days     0.000000%  0.000000%
90 Days     0.045310%   0.019611%  90 Days     0.000000%   0.000000%  90 Days     0.000000%  0.000000%
120 Days    0.000000%   0.000000%  120 Days    0.000000%   0.000000%  120 Days    0.000000%  0.000000%
150 Days    0.000000%   0.000000%  150 Days    0.000000%   0.000000%  150 Days    0.000000%  0.000000%
180+ Days   0.090621%   0.044288%  180+ Days   0.000000%   0.000000%  180+ Days   0.000000%  0.000000%
            --------    ---------              --------    ---------              --------   ---------
            0.951518%   0.685651%              0.000000%   0.000000%              0.000000%  0.000000%
            ========    ========               ========    ========               ========   ========




               REO                              TOTAL
- --------------------------------   --------------------------------
             No. of    Principal                No. of    Principal
              Loans     Balance                  Loans     Balance
            --------   ---------               --------   ---------
                                           
0-29 Days   0.000000%   0.000000%  0-29 Days   0.000000%   0.000000%
30 Days     0.000000%   0.000000%  30 Days     0.679656%   0.498490%
60 Days     0.000000%   0.000000%  60 Days     0.135931%   0.123261%
90 Days     0.000000%   0.000000%  90 Days     0.045310%   0.019611%
120 Days    0.000000%   0.000000%  120 Days    0.000000%   0.000000%
150 Days    0.000000%   0.000000%  150 Days    0.000000%   0.000000%
180+ Days   0.000000%   0.000000%  180+ Days   0.090621%   0.044288%
            --------    ---------              --------    ---------
            0.000000%   0.000000%              0.951518%   0.685651%
            ========    ========               ========    ========



                                                                                                         
Current Period Class A Insufficient Funds:  0.00  Principal Balance of Contaminated Properties  0.00  Periodic Advance  14,338.68




              Original $     Original%     Current $      Current %   Current Class %   Prepayment %
            -------------   ----------   -------------   ----------   ---------------   ------------
                                                                      
Class A     35,491,983.00   4.25052119%  35,491,983.00   5.02923343%     94.970766%       0.000000%
Class X-1   35,491,983.00   4.25052119%  35,491,983.00   5.02923343%      0.000000%       0.000000%
Class X-2   35,491,983.00   4.25052119%  35,491,983.00   5.02923343%      0.000000%       0.000000%
Class B-1   20,879,983.00   2.50058753%  20,879,983.00   2.95870503%      2.070528%      41.169861%
Class B-2   12,529,983.00   1.50059123%  12,529,983.00   1.77550545%      1.183200%      23.526440%
Class B-3    8,354,983.00   1.00059307%   8,354,983.00   1.18390567%      0.591600%      11.763220%
Class B-4    5,845,983.00   0.70011514%   5,845,983.00   0.82837899%      0.355527%       7.069202%
Class B-5    3,757,983.00   0.45005618%   3,757,983.00   0.53250825%      0.295871%       5.883019%
Class B-6            0.00   0.00000000%           0.00   0.00000000%      0.532508%      10.588259%


Please refer to the prospectus supplement for a full description of loss
exposure

                              COLLATERAL STATEMENT



Collateral Description                                              Mixed Arm
- ----------------------                                           ---------------
                                                              
Weighted Average Gross Coupon                                          3.807430%
Weighted Average Net Coupon                                            3.431477%
Weighted Average Pass-Through Rate                                     3.423977%
Weighted Average Maturity (Stepdown Calculation)                            334

Beginning Scheduled Collateral Loan Count                                 2,248
Number of Loans Paid in Full                                                 41
Ending Scheduled Collateral Loan Count                                    2,207

Beginning Scheduled Collateral Balance                           720,636,370.99
Ending Scheduled Collateral Balance                              705,713,573.92
Ending Actual Collateral Balance at 31-Dec-2004                  705,715,641.72

Monthly P&I Constant                                               2,286,921.78
Special Servicing Fee                                                      0.00
Prepayment Penalties                                                       0.00
Realization Loss Amount                                                    0.00
Cumulative Realized Loss                                                   0.00

Class A Optimal Amount                                            16,884,781.12

Ending Scheduled Balance for Premium Loans                       705,713,573.92

Scheduled Principal                                                      444.86
Unscheduled Principal                                             14,922,352.21


MISCELLANEOUS REPORTING


                                                              
One-Month Libor Loan Balance                                      98,533,684.05
Six-Month Libor Loan Balance                                     607,179,889.87
Prorata Senior Percentage                                             95.074911%
Senior Percentage                                                    100.000000%
Senior Prepayment Percentage                                         100.000000%
Subordinate Percentage                                                 0.000000%
Subordinate Prepayment Percentage                                      0.000000%