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): May 25, 2004

                                      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 May 25, 2004, 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 May 25,
                    2004  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: May 25, 2004


                                      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 May 25, 2004


                             Payment Date: 05/25/04


          ------------------------------------------------------------
                   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               0.00    5.750000%             0.00          0.00            0.00       0.00       0.00
                        1-A-3      32,977,926.63    6.500000%     4,243,369.88    178,630.44    4,422,000.32       0.00       0.00
                        1-A-4          21,247.39    6.500000%         2,733.97        115.09        2,849.06       0.00       0.00
                        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              0.00    1.550000%             0.00          0.00            0.00       0.00       0.00
                        1-A-11              0.00    6.950000%             0.00          0.00            0.00       0.00       0.00
                        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    30,558,719.80    0.281160%             0.00      7,159.92        7,159.92       0.00       0.00
                        2-A-1      10,136,487.56    6.000000%     1,195,362.41     50,462.80    1,245,825.21       0.00     219.64
                        2-A-2               0.00    6.000000%             0.00          0.00            0.00       0.00       0.00
                        2-A-3               0.00    6.000000%             0.00          0.00            0.00       0.00       0.00
                        2-A-WIO    11,414,921.13    0.385098%             0.00      3,647.35        3,647.35       0.00      15.87
                        1-A-PO        162,723.42    0.000000%         1,367.14          0.00        1,367.14       0.00       0.00
- ----------------------------------------------------------------------------------------------------------------------------------
Subordinate             1-B-1       3,669,396.02    6.500000%         3,895.56     19,875.90       23,771.46       0.00       0.00
                        1-B-2       1,760,879.89    6.500000%         1,869.41      9,538.10       11,407.51       0.00       0.00
                        1-B-3       1,027,587.32    6.500000%         1,090.92      5,566.10        6,657.02       0.00       0.00
                        1-B-4         586,634.06    6.500000%           622.79      3,177.60        3,800.39       0.00       0.00
                        1-B-5         440,953.27    6.500000%           468.13      2,388.50        2,856.63       0.00       0.00
                        1-B-6         587,265.44    6.500000%           623.45      3,181.02        3,804.47       0.00       0.00
                        2-B-1         639,099.77    6.000000%         2,994.52      3,181.65        6,176.17       0.00      13.85
                        2-B-2         227,599.63    6.000000%         1,066.43      1,133.07        2,199.49       0.00       4.93
                        2-B-3         137,470.18    6.000000%           644.12        684.37        1,328.49       0.00       2.98
                        2-B-4          91,039.85    6.000000%           426.57        453.23          879.80       0.00       1.97
                        2-B-5          91,039.86    6.000000%           426.57        453.23          879.80       0.00       1.97
                        2-B-6          92,184.63    6.000000%           431.92        458.93          890.85       0.00       2.00
- ----------------------------------------------------------------------------------------------------------------------------------
- ----------------------------------------------------------------------------------------------------------------------------------
Totals          -        -         52,649,534.91     -            5,457,393.80    290,107.27    5,747,501.07     -          263.21
- ----------------------------------------------------------------------------------------------------------------------------------
Class Information

- --------------------------------------------------------------------------------
                                             Ending Cert.          Unpaid
Type             Class Code     Name         Notional Bal.         Interest
- --------------------------------------------------------------------------------
Senior                          1-A-1               0.00              0.00
                                1-A-2               0.00              0.00
                                1-A-3      28,734,556.74              0.00
                                1-A-4          18,513.42              0.00
                                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              0.00              0.00
                                1-A-11              0.00              0.00
                                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    28,254,345.45              0.00
                                2-A-1       8,941,125.15            219.64
                                2-A-2               0.00              0.00
                                2-A-3               0.00              0.00
                                2-A-WIO    10,213,568.58             15.87
                                1-A-PO        161,356.28              0.00
- --------------------------------------------------------------------------------
Subordinate                     1-B-1       3,665,500.46              0.00
                                1-B-2       1,759,010.48              0.00
                                1-B-3       1,026,496.40              0.00
                                1-B-4         586,011.26              0.00
                                1-B-5         440,485.13              0.00
                                1-B-6         586,641.99              0.00
                                2-B-1         636,105.24             13.85
                                2-B-2         226,533.21              4.93
                                2-B-3         136,826.06              2.98
                                2-B-4          90,613.28              1.97
                                2-B-5          90,613.29              1.97
                                2-B-6          91,752.71              2.00
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
Totals            -              -         47,192,141.11            263.21
- --------------------------------------------------------------------------------



                             Payment Date: 05/25/04


          ------------------------------------------------------------
                   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           0.00     5.750000% 06050HFU7     0.000000      0.000000      0.000000
                           1-A-3  32,977,926.63     6.500000% 06050HFV5   117.129565      4.930729    793.158793
                           1-A-4      21,247.39     6.500000% 06050HFW3    14.581150      0.613813     98.738243
                           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          0.00     1.550000% 06050HGC6     0.000000      0.000000      0.000000
                           1-A-11          0.00     6.950000% 06050HGD4     0.000000      0.000000      0.000000
                           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 30,558,719.80     0.281160% 06050HGJ1     0.000000      0.031173    123.013901
                           2-A-1  10,136,487.56     6.000000% 06050HGK8    59.768120      2.523140    447.056258
                           2-A-2           0.00     6.000000% 06050HGL6     0.000000      0.000000      0.000000
                           2-A-3           0.00     6.000000% 06050HGM4     0.000000      0.000000      0.000000
                           2-A-WIO 11,414,921.13     0.385098% 06050HGN2     0.000000      0.036474    102.135922
                           1-A-PO    162,723.42     0.000000% 06050HGP7     1.756660      0.000000    207.329338
- ------------------------------------------------------------------------------------------------------------------------
Subordinate                1-B-1   3,669,396.02     6.500000% 06050HGQ5     1.037986      5.296002    976.685441
                           1-B-2   1,760,879.89     6.500000% 06050HGR3     1.037986      5.296002    976.685441
                           1-B-3   1,027,587.32     6.500000% 06050HGS1     1.037986      5.296002    976.685441
                           1-B-4     586,634.06     6.500000% 06050HGY8     1.037986      5.296002    976.685441
                           1-B-5     440,953.27     6.500000% 06050HGZ5     1.037986      5.296002    976.685441
                           1-B-6     587,265.44     6.500000% 06050HHA9     1.037966      5.296003    976.685651
                           2-B-1     639,099.77     6.000000% 06050HGT9     4.265702      4.532266    906.132823
                           2-B-2     227,599.63     6.000000% 06050HGU6     4.265702      4.532266    906.132823
                           2-B-3     137,470.18     6.000000% 06050HGV4     4.265702      4.532266    906.132848
                           2-B-4      91,039.85     6.000000% 06050HHB7     4.265702      4.532266    906.132816
                           2-B-5      91,039.86     6.000000% 06050HHC5     4.265703      4.532267    906.132907
                           2-B-6      92,184.63     6.000000% 06050HHD3     4.265594      4.532282    906.136083
- ------------------------------------------------------------------------------------------------------------------------
- ------------------------------------------------------------------------------------------------------------------------
Totals       -             -      52,649,534.91       -            -           -             -           -
- ------------------------------------------------------------------------------------------------------------------------
- ------------------------------------------------------------------------------------------------------------------------





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

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

                                                            Total
                                                            -----
Prin balance        36,978,572.04    10,213,568.58    47,192,140.62
Loan count                     83               23              106
Avg loan rate           6.936715%        6.639098%             6.87
Prepay amount        4,212,264.95     1,147,867.56     5,360,132.51

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

                                                            Total
                                                            -----
Master serv fees           612.77             0.00           612.77
Sub servicer fees            0.00             0.00             0.00
Trustee fees               137.45            38.05           175.50


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           82.261624%           100.000000%             43,298,384.99
   -----------------------------------------------------------------------------
   Junior           17.738376%             0.000000%              9,336,589.51
   -----------------------------------------------------------------------------

- --------------------------------------------------------------------------------
                          DELINQUENCY INFORMATION
- --------------------------------------------------------------------------------
Period                             Loan Count    Ending Stated Balance
- ------                             ----------    ---------------------
30 to 59 days                           0                         0.00
60 to 89 days                           2                 1,417,597.13
90 or more                              0                         0.00
Foreclosure                             0                         0.00

Totals:                                 2                 1,417,597.13
- --------------------------------------------------------------------------------



- --------------------------------------------------------------------------------
                                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            5,747,501.07          5,747,501.07
Principal remittance amount            5,457,393.80          5,457,393.80
Interest remittance amount               290,107.27            290,107.27