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: OCTOBER 29, 2004
                      DISTRIBUTION DATE: SEPTEMBER 22, 2004

                     CERTIFICATEHOLDER DISTRIBUTION SUMMARY



                        Certificate                           Beginning
                          Class        Certificate Pass-     Certificate       Interest
Class         CUSIP     Description      Through Rate          Balance       Distribution
- ------      ---------   -----------    -----------------   --------------    -------------
                                                              
  A         81744FBF3       SEN             2.46125%       721,005,043.45    1,478,811.40
 X-1        81744FBG1       SEN             0.80000%                 0.00      425,139.90
 X-2        81744FBH9       SEN             0.19394%                 0.00      116,529.10
 X-B        81744FBJ5       SEN             0.80732%                 0.00       15,447.98
 B-1        81744FBK2       SUB             2.41000%        14,612,000.00       29,345.77
 B-2        81744FBL0       SUB             2.81000%         8,350,000.00       19,552.92
 B-3        81744FBM8       SUB             3.36277%         4,175,000.00       11,699.65
 B-4        81744FBN6       SUB             3.36277%         2,509,000.00        7,031.00
 B-5        81744FBP1       SUB             3.36277%         2,088,000.00        5,851.23
 B-6        81744FBQ9       SUB             3.36277%         3,757,983.00       10,531.04
 A-R        81744FBR7       RES             2.78262%                 0.00            0.00
                                                           --------------    ------------
Totals                                                     756,497,026.45    2,119,939.99
                                                           --------------    ------------


              Principal         Current           Ending                Total          Cumulative
Class        Distribution     Realized Loss  Certificate Balance     Distribution     Realized Loss
- ------      -------------     -------------  -------------------     -------------    -------------
                                                                       
  A         15,986,091.20         0.00         705,018,952.25        17,464,902.60         0.00
 X-1                 0.00         0.00                   0.00           425,139.90         0.00
 X-2                 0.00         0.00                   0.00           116,529.10         0.00
 X-B                 0.00         0.00                   0.00            15,447.98         0.00
 B-1                 0.00         0.00          14,612,000.00            29,345.77         0.00
 B-2                 0.00         0.00           8,350,000.00            19,552.92         0.00
 B-3                 0.00         0.00           4,175,000.00            11,699.65         0.00
 B-4                 0.00         0.00           2,509,000.00             7,031.00         0.00
 B-5                 0.00         0.00           2,088,000.00             5,851.23         0.00
 B-6                 0.00         0.00           3,757,983.00            10,531.04         0.00
 A-R                 0.00         0.00                   0.00                 0.00         0.00
            -------------         ----         --------------        -------------         ----
Totals      15,986,091.20         0.00         740,510,935.25        18,106,031.19         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    721,005,043.45         0.00        15,986,091.20      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    756,497,026.45         0.00        15,986,091.20      0.00        0.00
             --------------    --------------         ----        -------------      ----        ----


           Total Principal  Ending Certificate    Ending Certificate         Total Principal
Class         Reduction            Balance            Percentage               Distribution
- ------     ---------------  ------------------    ------------------         ---------------
                                                                 
  A         15,986,091.20      705,018,952.25           0.88181270            15,986,091.20
 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      15,986,091.20      740,510,935.25           0.88683617            15,986,091.20
            -------------      --------------           ----------            -------------


(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      901.80753417    0.00000000     19.99483584     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          19.99483584        881.81269832          0.88181270        19.99483584
 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                    Non-
                                                  Certificate/      Current        Unpaid        Current     Supported
           Original Face        Current             Notional        Accrued       Interest       Interest    Interest     Realized
Class         Amount        Certificate Rate        Balance        Interest       Shortfall     Shortfall    Shortfall    Loss (4)
- ------     --------------   ----------------    --------------   ------------    ----------     ---------    ---------    --------
                                                                                                  
  A        799,511,000.00       2.46125%        721,005,043.45   1,478,811.39       0.00           0.00        (0.01)       0.00
 X-1                 0.00       0.80000%        637,709,845.26     425,139.90       0.00           0.00         0.00        0.00
 X-2                 0.00       0.19394%        721,005,043.45     116,529.10       0.00           0.00         0.00        0.00
 X-B                 0.00       0.80732%         22,962,000.00      15,447.98       0.00           0.00         0.00        0.00
 B-1        14,612,000.00       2.41000%         14,612,000.00      29,345.77       0.00           0.00         0.00        0.00
 B-2         8,350,000.00       2.81000%          8,350,000.00      19,552.92       0.00           0.00         0.00        0.00
 B-3         4,175,000.00       3.36277%          4,175,000.00      11,699.65       0.00           0.00         0.00        0.00
 B-4         2,509,000.00       3.36277%          2,509,000.00       7,031.00       0.00           0.00         0.00        0.00
 B-5         2,088,000.00       3.36277%          2,088,000.00       5,851.23       0.00           0.00         0.00        0.00
 B-6         3,757,983.00       3.36277%          3,757,983.00      10,531.04       0.00           0.00         0.00        0.00
 A-R               100.00       2.78262%                  0.00           0.00       0.00           0.00         0.00        0.00
           --------------                                        ------------       ----           ----        -----        ----
Totals     835,003,083.00                                        2,119,939.98       0.00           0.00        (0.01)       0.00
           --------------                                        ------------       ----           ----        -----        ----


                             Remaining       Ending
                               Unpaid     Certificate/
           Total Interest     Interest     Notational
Class       Distribution     Shortfall       Balance
- ------     --------------    ---------   --------------
                                
  A        1,478,811.40         0.00     705,018,952.25
 X-1         425,139.90         0.00     613,971,643.15
 X-2         116,529.10         0.00     705,018,952.25
 X-B          15,447.98         0.00      22,962,000.00
 B-1          29,345.77         0.00      14,612,000.00
 B-2          19,552.92         0.00       8,350,000.00
 B-3          11,699.65         0.00       4,175,000.00
 B-4           7,031.00         0.00       2,509,000.00
 B-5           5,851.23         0.00       2,088,000.00
 B-6          10,531.04         0.00       3,757,983.00
 A-R               0.00         0.00               0.00
           ------------         ----
Totals     2,119,939.99         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                    Non-
                               Current        Beginning                           Unpaid      Current      Supported
Class (5)    Original Face   Certificate     Certificate/     Current Accrued    Interest    Interest      Interest       Realized
                Amount          Rate       Notional Balance      Interest        Shortfall   Shortfall     Shortfall      Loss (6)
- ---------    --------------  -----------   ----------------   ---------------   ----------   ----------    -----------   ----------
                                                                                                 
  A          799,511,000.00    2.46125%      901.80753417        1.84964483     0.00000000   0.00000000    (0.00000001)  0.00000000
 X-1                   0.00    0.80000%      797.62485477        0.53174991     0.00000000   0.00000000     0.00000000   0.00000000
 X-2                   0.00    0.19394%      901.80753417        0.14575046     0.00000000   0.00000000     0.00000000   0.00000000
 X-B                   0.00    0.80732%     1000.00000000        0.67276283     0.00000000   0.00000000     0.00000000   0.00000000
 B-1          14,612,000.00    2.41000%     1000.00000000        2.00833356     0.00000000   0.00000000     0.00000000   0.00000000
 B-2           8,350,000.00    2.81000%     1000.00000000        2.34166707     0.00000000   0.00000000     0.00000000   0.00000000
 B-3           4,175,000.00    3.36277%     1000.00000000        2.80231138     0.00000000   0.00000000     0.00000000   0.00000000
 B-4           2,509,000.00    3.36277%     1000.00000000        2.80231168     0.00000000   0.00000000     0.00000000   0.00000000
 B-5           2,088,000.00    3.36277%     1000.00000000        2.80231322     0.00000000   0.00000000     0.00000000   0.00000000
 B-6           3,757,983.00    3.36277%     1000.00000000        2.80231177     0.00000000   0.00000000     0.00000000   0.00000000
 A-R                 100.00    2.78262%        0.00000000        0.00000000     0.00000000   0.00000000     0.00000000   0.00000000


                               Remaining
                                Unpaid
Class (5)    Total Interest     Interest    Ending Certificate/
              Distribution     Shortfall    Notational Balance
- ---------    --------------    ----------   -------------------
                                   
  A            1.84964485      0.00000000       881.81269832
 X-1           0.53174991      0.00000000       767.93395357
 X-2           0.14575046      0.00000000       881.81269832
 X-B           0.67276283      0.00000000      1000.00000000
 B-1           2.00833356      0.00000000      1000.00000000
 B-2           2.34166707      0.00000000      1000.00000000
 B-3           2.80231138      0.00000000      1000.00000000
 B-4           2.80231168      0.00000000      1000.00000000
 B-5           2.80231322      0.00000000      1000.00000000
 B-6           2.80231177      0.00000000      1000.00000000
 A-R           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                                       18,343,080.08
    Liquidations, Insurance Proceeds, Reserve Funds                                   0.00
    Proceeds from Repurchased Loans                                                   0.00
    Other Amounts (Servicer Advances)                                            38,115.81
    Realized Losses (Gains, Subsequent Expenses & Recoveries)                         0.00
    Prepayment Penalties                                                              0.00
                                                                             -------------
Total Deposits                                                               18,381,195.89

Withdrawals
    Reimbursement for Servicer Advances                                          33,457.97
    Payment of Service Fee                                                      241,706.74
    Payment of Interest and Principal                                        18,106,031.18
                                                                             -------------
Total Withdrawals (Pool Distribution Amount)                                 18,381,195.89

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                                                    236,978.60
Master Servicing Fee                                                     4,728.14
Supported Prepayment/Curtailment Interest Shortfall                          0.00
                                                                       ----------
Net Servicing Fee                                                      241,706.74
                                                                       ==========


                                 OTHER ACCOUNTS



                                      Beginning          Current          Current       Ending
     Account Type                      Balance         Withdrawals       Deposits       Balance
     ------------                   --------------     -----------       --------       -------
                                                                           
Class X-1 Sub Account                 4,500.00            0.00             0.00        4,500.00
Class X-2 Sub Account                 4,500.00            0.00             0.00        4,500.00
Class X-B Sub Account                 1,000.00            0.00             0.00        1,000.00




             LOAN STATUS STRATIFICATION/CREDIT ENHANCEMENT STATEMENT

                                   DELINQUENT



               No. of       Principal
                Loans        Balance
                    
0-29 Days         0               0.00
30 Days          33       11,320,377.71
60 Days           3       1,266,394.35
90 Days           0               0.00
120 Days          2         312,550.67
150 Days          0               0.00
180+ Days         0               0.00
                 --       -------------
                 38       12,899,322.73




               No. of      Principal
                Loans       Balance
                     
0-29 Days     0.000000%    0.000000%
30 Days       1.440419%    1.528728%
60 Days       0.130947%    0.171017%
90 Days       0.000000%    0.000000%
120 Days      0.087298%    0.042208%
150 Days      0.000000%    0.000000%
180+ Days     0.000000%    0.000000%
              --------     --------
              1.658664%    1.741952%


                                   BANKRUPTCY



             No. of    Principal
             Loans      Balance
                 
0-29 Days      0          0.00
30 Days        0          0.00
60 Days        0          0.00
90 Days        0          0.00
120 Days       0          0.00
150 Days       0          0.00
180+ Days      0          0.00
             ---          ----
               0          0.00




             No. of    Principal
             Loans      Balance
                 
0-29 Days  0.000000%   0.000000%
30 Days    0.000000%   0.000000%
60 Days    0.000000%   0.000000%
90 Days    0.000000%   0.000000%
120 Days   0.000000%   0.000000%
150 Days   0.000000%   0.000000%
180+ Days  0.000000%   0.000000%
           --------    --------
           0.000000%   0.000000%


                                   FORECLOSURE



              No. of    Principal
              Loans      Balance
                  
0-29 Days       0         0.00
30 Days         0         0.00
60 Days         0         0.00
90 Days         0         0.00
120 Days        0         0.00
150 Days        0         0.00
180+ Days       0         0.00
              ---         ----
                0         0.00




              No. of    Principal
              Loans      Balance
                  
0-29 Days   0.000000%   0.000000%
30 Days     0.000000%   0.000000%
60 Days     0.000000%   0.000000%
90 Days     0.000000%   0.000000%
120 Days    0.000000%   0.000000%
150 Days    0.000000%   0.000000%
180+ Days   0.000000%   0.000000%
            --------    --------
            0.000000%   0.000000%


                                       REO



               No. of     Principal
                Loans      Balance
                    
0-29 Days        0          0.00
30 Days          0          0.00
60 Days          0          0.00
90 Days          0          0.00
120 Days         0          0.00
150 Days         0          0.00
180+ Days        0          0.00
               ---          ----
                 0          0.00




               No. of     Principal
                Loans      Balance
                    
0-29 Days     0.000000%   0.000000%
30 Days       0.000000%   0.000000%
60 Days       0.000000%   0.000000%
90 Days       0.000000%   0.000000%
120 Days      0.000000%   0.000000%
150 Days      0.000000%   0.000000%
180+ Days     0.000000%   0.000000%
              --------    --------
              0.000000%   0.000000%


                                      TOTAL



               No. of      Principal
               Loans        Balance
                   
0-29 Days         0               0.00
30 Days          33      11,320,377.71
60 Days           3       1,266,394.35
90 Days           0               0.00
120 Days          2         312,550.67
150 Days          0               0.00
180+ Days         0               0.00
                 --      -------------
                 38      12,899,322.73




               No. of     Principal
               Loans       Balance
                    
0-29 Days    0.000000%    0.000000%
30 Days      1.440419%    1.528728%
60 Days      0.130947%    0.171017%
90 Days      0.000000%    0.000000%
120 Days     0.087298%    0.042208%
150 Days     0.000000%    0.000000%
180+ Days    0.000000%    0.000000%
             --------     --------
             1.658664%    1.741952%



                                                                                                            
Current Period Class A Insufficient Funds:  0.00   Principal Balance of Contaminated Properties   0.00   Periodic Advance  38,115.81




            Original $     Original%     Current $    Current %    Current Class %  Prepayment %
           -------------  -----------  -------------  -----------  ---------------  ------------
                                                                  
Class A    35,491,983.00  4.25052119%  35,491,983.00  4.79290464%    95.207095%       0.000000%
Class X-1  35,491,983.00  4.25052119%  35,491,983.00  4.79290464%     0.000000%       0.000000%
Class X-2  35,491,983.00  4.25052119%  35,491,983.00  4.79290464%     0.000000%       0.000000%
Class B-1  20,879,983.00  2.50058753%  20,879,983.00  2.81967247%     1.973232%      41.169861%
Class B-2  12,529,983.00  1.50059123%  12,529,983.00  1.69207265%     1.127600%      23.526440%
Class B-3   8,354,983.00  1.00059307%   8,354,983.00  1.12827274%     0.563800%      11.763220%
Class B-4   5,845,983.00  0.70011514%   5,845,983.00  0.78945262%     0.338820%       7.069202%
Class B-5   3,757,983.00  0.45005618%   3,757,983.00  0.50748515%     0.281967%       5.883019%
Class B-6           0.00  0.00000000%           0.00  0.00000000%     0.507485%      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                                                                             3.746183%
Weighted Average Net Coupon                                                                               3.370273%
Weighted Average Pass-Through Rate                                                                        3.362773%
Weighted Average Maturity (Stepdown Calculation)                                                               336

Beginning Scheduled Collateral Loan Count                                                                    2,328
Number of Loans Paid in Full                                                                                    37
Ending Scheduled Collateral Loan Count                                                                       2,291

Beginning Scheduled Collateral Balance                                                              756,497,027.19
Ending Scheduled Collateral Balance                                                                 740,510,935.99
Ending Actual Collateral Balance at 29-Oct-2004                                                     740,509,561.48

Monthly P&I Constant                                                                                  2,361,646.66
Special Servicing Fee                                                                                         0.00
Prepayment Penalties                                                                                          0.00
Realization Loss Amount                                                                                       0.00
Cumulative Realized Loss                                                                                      0.00

Class A Optimal Amount                                                                               18,022,019.57

Ending Scheduled Balance for Premium Loans                                                          740,510,935.99

Scheduled Principal                                                                                           0.00
Unscheduled Principal                                                                                15,986,091.20


MISCELLANEOUS REPORTING


                                     
One-Month Libor Loan Balance            101,126,121.32
Six-Month Libor Loan Balance            639,384,814.67
Prorata Senior Percentage                   95.308378%
Senior Percentage                          100.000000%
Senior Prepayment Percentage               100.000000%
Subordinate Percentage                       0.000000%
Subordinate Prepayment Percentage            0.000000%