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): August 25, 2003

                                      BOA

                                  (Depositor)

    (Issuer in respect of Mortgage Pass-Through Certificates, Series 2002-4)

                (Exact name of registrant as specified in charter)

North Carolina                333-74544-10                  02-0620011/0016
(State or other               (Commission File No.)         (I.R.S. Employer
    jurisdiction of                                         Identification No.)
    organization)



101 N. Tryon St., Charlotte, NC                             28255
(Address of principal executive offices)                    (Zip Code)


Registrant's Telephone Number, including area code: 704-387-2111

                                 Not Applicable
              (Former name, former address and former fiscal year,
                          if changed since last report)




Item 5.  Other Events

                                      BOA
                       Mortgage Pass-Through Certificates
                                 Series 2002-4

On August 25, 2003, The Bank of New York, as Trustee for BOA, Mortgage
Pass-Through Certificates Series 2002-4, made a monthly distribution to
Certificate holders of principal and/or interest pursuant to the Pooling and
Servicing Agreement, dated as of April 1, 2002, among BOA as Depositor, Bank of
America Mortgage Securities, Inc., 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 BOA, Mortgage Pass-Through Certificates
                    Series  2002-4  relating  to the distribution date of August
                    25,  2003 prepared by The Bank of New York, as Trustee under
                    the  Pooling  and  Servicing  Agreement dated as of April 1,
                    2002.







                                   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: August 25, 2003


                                      BOA


                          By: /s/ Diane Pickett
                              ------------------------------
                          Name:   Diane Pickett
                                  Vice President
                                  The Bank of New York,
                                  as Trustee







                                 EXHIBIT INDEX



Exhibit


99                  Monthly Remittance Statement dated August 25, 2003


                             Payment Date: 08/25/03


          ------------------------------------------------------------
                   Bank of America Mortgage Securities, Inc.
               Mortgage Pass-Through Certificates, Series 2002-4
                      Bank of America, NA, Master Servicer
          ------------------------------------------------------------



Class Information                                Current Payment Information

- ----------------------------------------------------------------------------------------------------------------------------------
                                 Beginning       Pass Thru     Principal       Interest      Total           Principal  Interest
Type       Class Code   Name     Cert. Bal.      Rate          Dist. Amt.      Dist. Amt.    Dist.           Losses     Shortfalls
- ----------------------------------------------------------------------------------------------------------------------------------
                                                                                             
Senior                  1-A-1               0.00    5.750000%             0.00          0.00            0.00       0.00       0.00
                        1-A-2      41,318,283.60    5.750000%    14,984,486.41    191,035.74   15,175,522.14       0.00   6,947.70
                        1-A-3      36,228,000.00    6.500000%             0.00    189,348.65      189,348.65       0.00   6,886.35
                        1-A-4          59,945.26    6.500000%        13,274.76        313.31       13,588.07       0.00      11.39
                        1-A-5               0.00    7.000000%             0.00          0.00            0.00       0.00       0.00
                        1-A-6               0.00    7.000000%             0.00          0.00            0.00       0.00       0.00
                        1-A-7               0.00    7.000000%             0.00          0.00            0.00       0.00       0.00
                        1-A-8               0.00    7.000000%             0.00          0.00            0.00       0.00       0.00
                        1-A-9               0.00    7.000000%             0.00          0.00            0.00       0.00       0.00
                        1-A-10     15,494,356.14    1.550000%     5,619,182.33     19,311.22    5,638,493.55       0.00     702.32
                        1-A-11     15,494,356.14    6.950000%             0.00     86,589.02       86,589.02       0.00   3,149.12
                        1-A-12              0.00    0.000000%             0.00          0.00            0.00       0.00       0.00
                        1-A-13              0.00    6.500000%             0.00          0.00            0.00       0.00       0.00
Residual                1-A-R               0.00    6.500000%             0.00          0.00            0.00       0.00       0.00
                        1-A-LR              0.00    6.500000%             0.00          0.00            0.00       0.00       0.00
                        1-A-WIO    74,303,005.10    0.279246%             0.00     16,683.91       16,683.91       0.00     606.77
                        2-A-1      18,940,183.12    6.000000%        78,688.65     93,842.37      172,531.02       0.00     858.55
                        2-A-2               0.00    6.000000%             0.00          0.00            0.00       0.00       0.00
                        2-A-3       5,155,334.20    6.000000%     3,502,860.68     25,542.98    3,528,403.66       0.00     233.69
                        2-A-WIO    25,425,361.64    0.408160%             0.00      8,569.62        8,569.62       0.00      78.40
                        1-A-PO        489,514.71    0.000000%        59,251.77          0.00       59,251.77       0.00       0.00
- ----------------------------------------------------------------------------------------------------------------------------------
Subordinate             1-B-1       3,702,909.25    6.500000%         3,557.89     19,353.56       22,911.45       0.00     703.86
                        1-B-2       1,776,962.31    6.500000%         1,707.37      9,287.44       10,994.81       0.00     337.77
                        1-B-3       1,036,972.45    6.500000%           996.36      5,419.82        6,416.18       0.00     197.11
                        1-B-4         591,991.89    6.500000%           568.81      3,094.09        3,662.90       0.00     112.53
                        1-B-5         444,980.57    6.500000%           427.55      2,325.73        2,753.28       0.00      84.58
                        1-B-6         592,628.96    6.500000%           569.41      3,097.42        3,666.84       0.00     112.65
                        2-B-1         664,800.43    6.000000%         2,761.97      3,293.87        6,055.84       0.00      30.14
                        2-B-2         236,752.29    6.000000%           983.61      1,173.03        2,156.64       0.00      10.73
                        2-B-3         142,998.39    6.000000%           594.10        708.51        1,302.61       0.00       6.48
                        2-B-4          94,700.91    6.000000%           393.44        469.21          862.66       0.00       4.29
                        2-B-5          94,700.92    6.000000%           393.44        469.21          862.66       0.00       4.29
                        2-B-6          95,891.68    6.000000%           398.37        475.11          873.48       0.00       4.35
- ----------------------------------------------------------------------------------------------------------------------------------
- ----------------------------------------------------------------------------------------------------------------------------------
Totals          -        -        127,161,907.09     -           24,271,096.93    680,403.84   24,951,500.77     -       21,083.09
- ----------------------------------------------------------------------------------------------------------------------------------
Class Information

- --------------------------------------------------------------------------------
                                             Ending Cert.          Unpaid
Type             Class Code     Name         Notional Bal.         Interest
- --------------------------------------------------------------------------------
Senior                          1-A-1               0.00              0.00
                                1-A-2      26,333,797.19          6,947.70
                                1-A-3      36,228,000.00          6,886.35
                                1-A-4          46,670.50             11.39
                                1-A-5               0.00              0.00
                                1-A-6               0.00              0.00
                                1-A-7               0.00              0.00
                                1-A-8               0.00              0.00
                                1-A-9               0.00              0.00
                                1-A-10      9,875,173.82            702.32
                                1-A-11      9,875,173.82          3,149.12
                                1-A-12              0.00              0.00
                                1-A-13              0.00              0.00
Residual                        1-A-R               0.00              0.00
                                1-A-LR              0.00              0.00
                                1-A-WIO    59,539,032.86            606.77
                                2-A-1      18,861,494.47            858.55
                                2-A-2               0.00              0.00
                                2-A-3       1,652,473.52            233.69
                                2-A-WIO    21,838,287.35             78.40
                                1-A-PO        430,262.94              0.00
- --------------------------------------------------------------------------------
Subordinate                     1-B-1       3,699,351.36            703.86
                                1-B-2       1,775,254.94            337.77
                                1-B-3       1,035,976.09            197.11
                                1-B-4         591,423.08            112.53
                                1-B-5         444,553.01             84.58
                                1-B-6         592,059.55            112.65
                                2-B-1         662,038.46             30.14
                                2-B-2         235,768.68             10.73
                                2-B-3         142,404.29              6.48
                                2-B-4          94,307.47              4.29
                                2-B-5          94,307.48              4.29
                                2-B-6          95,493.31              4.35
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
Totals            -              -        102,890,810.15         21,083.09
- --------------------------------------------------------------------------------



                             Payment Date: 08/25/03


          ------------------------------------------------------------
                   Bank of America Mortgage Securities, Inc.
               Mortgage Pass-Through Certificates, Series 2002-4
                      Bank of America, NA, Master Servicer
          ------------------------------------------------------------



Class Information                                Current Payment Information

                                                      Factors per $1,000

- ------------------------------------------------------------------------------------------------------------------------
                                   Beginning     Pass Thru    CUSIP       Principal     Interest    Ending Cert./
Type        Class Code    Name   Cert. Bal.(Face)  Rate       Numbers       Dist.         Dist.     Notional Bal.
- ------------------------------------------------------------------------------------------------------------------------
                                                                            
- ------------------------------------------------------------------------------------------------------------------------
Senior                     1-A-1           0.00     5.750000% 06050HFT0     0.000000      0.000000      0.000000
                           1-A-2  41,318,283.60     5.750000% 06050HFU7   330.926810      4.218953    581.572118
                           1-A-3  36,228,000.00     6.500000% 06050HFV5     0.000000      5.226583  1,000.000000
                           1-A-4      59,945.26     6.500000% 06050HFW3    70.798728      1.670981    248.909330
                           1-A-5           0.00     7.000000% 06050HFX1     0.000000      0.000000      0.000000
                           1-A-6           0.00     7.000000% 06050HFY9     0.000000      0.000000      0.000000
                           1-A-7           0.00     7.000000% 06050HFZ6     0.000000      0.000000      0.000000
                           1-A-8           0.00     7.000000% 06050HGA0     0.000000      0.000000      0.000000
                           1-A-9           0.00     7.000000% 06050HGB8     0.000000      0.000000      0.000000
                           1-A-10 15,494,356.14     1.550000% 06050HGC6   148.944696      0.511872    261.756013
                           1-A-11 15,494,356.14     6.950000% 06050HGD4     0.000000      2.295169    261.756013
                           1-A-12          0.00     0.000000% 06050HGE2     0.000000      0.000000      0.000000
                           1-A-13          0.00     6.500000% 06050HGF9     0.000000      0.000000      0.000000
Residual                   1-A-R           0.00     6.500000% 06050HGG7     0.000000      0.000000      0.000000
                           1-A-LR          0.00     6.500000% 06050HGH5     0.000000      0.000000      0.000000
                           1-A-WIO 74,303,005.10     0.279246% 06050HGJ1     0.000000      0.072638    259.221319
                           2-A-1  18,940,183.12     6.000000% 06050HGK8     3.934433      4.692118    943.074723
                           2-A-2           0.00     6.000000% 06050HGL6     0.000000      0.000000      0.000000
                           2-A-3   5,155,334.20     6.000000% 06050HGM4   237.836820      1.734314    112.199451
                           2-A-WIO 25,425,361.64     0.408160% 06050HGN2     0.000000      0.085696    218.383378
                           1-A-PO    489,514.71     0.000000% 06050HGP7    76.133579      0.000000    552.851920
- ------------------------------------------------------------------------------------------------------------------------
Subordinate                1-B-1   3,702,909.25     6.500000% 06050HGQ5     0.948012      5.156825    985.705132
                           1-B-2   1,776,962.31     6.500000% 06050HGR3     0.948012      5.156825    985.705132
                           1-B-3   1,036,972.45     6.500000% 06050HGS1     0.948012      5.156825    985.705132
                           1-B-4     591,991.89     6.500000% 06050HGY8     0.948012      5.156825    985.705132
                           1-B-5     444,980.57     6.500000% 06050HGZ5     0.948012      5.156825    985.705132
                           1-B-6     592,628.96     6.500000% 06050HHA9     0.948000      5.156825    985.705217
                           2-B-1     664,800.43     6.000000% 06050HGT9     3.934433      4.692118    943.074723
                           2-B-2     236,752.29     6.000000% 06050HGU6     3.934433      4.692118    943.074723
                           2-B-3     142,998.39     6.000000% 06050HGV4     3.934433      4.692119    943.074749
                           2-B-4      94,700.91     6.000000% 06050HHB7     3.934433      4.692118    943.074715
                           2-B-5      94,700.92     6.000000% 06050HHC5     3.934433      4.692119    943.074810
                           2-B-6      95,891.68     6.000000% 06050HHD3     3.934253      4.692132    943.077681
- ------------------------------------------------------------------------------------------------------------------------
- ------------------------------------------------------------------------------------------------------------------------
Totals       -             -     127,161,907.09       -            -           -             -           -
- ------------------------------------------------------------------------------------------------------------------------
- ------------------------------------------------------------------------------------------------------------------------





          ------------------------------------------------------------
                   Bank of America Mortgage Securities, Inc.
               Mortgage Pass-Through Certificates, Series 2002-4
                      Bank of America, NA, Master Servicer
          ------------------------------------------------------------

- --------------------------------------------------------------------------------
                             COLLATERAL INFORMATION
- --------------------------------------------------------------------------------

                                                            Total
                                                            -----
Prin balance        81,052,522.43    21,838,287.35   102,890,809.78
Loan count                    180               50              230
Avg loan rate           6.926671%        6.662160%             6.87
Prepay amount       20,586,241.28     3,481,442.39    24,067,683.67

- --------------------------------------------------------------------------------
                                FEES AND ADVANCES
- --------------------------------------------------------------------------------

                                                            Total
                                                            -----
Master serv fees             0.00             0.00             0.00
Sub servicer fees            0.00             0.00             0.00
Trustee fees               339.12            84.75           423.87


Agg advances                  N/A              N/A              N/A
Adv this period              0.00             0.00             0.00

- --------------------------------------------------------------------------------
                          LOSSES & INSURANCE COVERAGES
- --------------------------------------------------------------------------------

                                                            Total
                                                            -----
Realized losses              0.00             0.00             0.00
Cumulative losses            0.00             0.00             0.00

Coverage Amounts                                            Total
- ----------------                                            -----
Bankruptcy                   0.00             0.00             0.00
Fraud                        0.00             0.00             0.00
Special Hazard               0.00             0.00             0.00


                         Aggregate Certificate Information
   -----------------------------------------------------------------------------
   Class            Aggregate           Aggregate                     Aggregate
   Type            Percentage           Prepay Pct.              End Cert. Bal.
   -----------------------------------------------------------------------------
   Senior           92.557574%           100.000000%            117,685,617.03
   -----------------------------------------------------------------------------
   Junior            7.442426%             0.000000%              9,462,937.72
   -----------------------------------------------------------------------------

- --------------------------------------------------------------------------------
                          DELINQUENCY INFORMATION
- --------------------------------------------------------------------------------
Period                             Loan Count    Ending Stated Balance
- ------                             ----------    ---------------------
30 to 59 days                           3                 1,679,869.97
60 to 89 days                           1                   955,752.72
90 or more                              1                   519,927.69
Foreclosure                             0                         0.00

Totals:                                 5                 3,155,550.38
- --------------------------------------------------------------------------------



- --------------------------------------------------------------------------------
                                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           24,951,500.77         24,951,500.77
Principal remittance amount           24,271,096.93         24,271,096.93
Interest remittance amount               680,403.84            680,403.84