<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>3
<FILENAME>ex77o.txt
<TEXT>
                     Van Kampen Municipal Opportunity Trust
                          Item 77(O) 10F-3 Transactions
                        November 1, 2004 - April 30, 2005



Securi  Purch   Size   Offeri  Total   Amount    % of    % of
  ty     ase/    of      ng    Amount    of     Offeri  Funds   Broker  Purcha
Purcha  Trade  Offeri  Price     of    Shares     ng    Total     s       sed
  sed    Date    ng      of   Offerin  Purcha   Purcha  Assets           From
                       Shares    g       sed      sed
                                         By       By
                                        Fund     Fund
 Lower  11/24    -     $102.8 $125,58  2,185,    1.74%  0.54%   Bear,    Bear
Colora   /04             7     0,000     000                    Stearn  Stearn
  do                                                             s &       s
 River                                                           Co.
Author                                                          Inc.,
  ity                                                           Lehman
                                                                Brothe
                                                                  rs
                                                                Inc.,
                                                                Morgan
                                                                Stanle
                                                                  y,
                                                                 A.G.
                                                                Edward
                                                                 s &
                                                                Sons,
                                                                Inc.,
                                                                JPMorg
                                                                 an,
                                                                 Apex
                                                                Pryor
                                                                Securi
                                                                ties,
                                                                Merril
                                                                  l
                                                                Lynch
                                                                & Co.,
                                                                First
                                                                Southw
                                                                 est
                                                                Compan
                                                                  y,
                                                                Goldma
                                                                  n,
                                                                Sachs
                                                                & Co.,
                                                                 UBS
                                                                Financ
                                                                 ial
                                                                Servic
                                                                  es
                                                                 Inc.

                                                                Bear,
                                                                Stearn
                                                                 s &
                                                                 Co.
                                                                Inc.,
 Lower  11/24    -     $100.9 $125,58  2,000,    1.59%  0.49%   Lehman   Bear
Colora   /04             2     0,000     000                    Brothe  Stearn
  do                                                              rs       s
 River                                                          Inc.,
Author                                                          Morgan
  ity                                                           Stanle
                                                                  y,
                                                                 A.G.
                                                                Edward
                                                                 s &
                                                                Sons,
                                                                Inc.,
                                                                JPMorg
                                                                 an,
                                                                 Apex
                                                                Pryor
                                                                Securi
                                                                ties,
                                                                Merril
                                                                  l
                                                                Lynch
                                                                & Co.,
                                                                First
                                                                Southw
                                                                 est
                                                                Compan
                                                                  y,
                                                                Goldma
                                                                  n,
                                                                Sachs
                                                                & Co.,
                                                                 UBS
                                                                Financ
                                                                 ial
                                                                Servic
                                                                  es
                                                                 Inc.

                                                                 UBS
                                                                Financ
                                                                 ial
                                                                Servic
                                                                  es
                                                                Inc.,
                                                                First
                                                                Albany
                                                                Capita
                                                                  l
                                                                Inc.,
  New   4/20/    -     $103.2 $560,11  2,000,    0.36%  0.49%   Bear,     UBS
 York     05             9     0,000     000                    Stearn
 City                                                            s &
Munici                                                           Co.
  pal                                                           Inc.,
 Water                                                          Morgan
Financ                                                          Stanle
   e                                                              y,
Author                                                           Banc
  ity                                                             of
                                                                Americ
                                                                  a
                                                                Securi
                                                                 ties
                                                                 LLC,
                                                                 RBC
                                                                 Dain
                                                                Rausch
                                                                  er
                                                                Inc.,
                                                                Raymon
                                                                  d
                                                                James
                                                                  &
                                                                Associ
                                                                ates,
                                                                Goldma
                                                                  n,
                                                                Sachs
                                                                & Co.,
                                                                Citigr
                                                                 oup,
                                                                Global
                                                                Market
                                                                  s
                                                                Inc.,
                                                                Lehman
                                                                Brothe
                                                                 rs,
                                                                 M.R.
                                                                Beal &
                                                                Compan
                                                                  y,
                                                                 A.G.
                                                                Edward
                                                                 s &
                                                                Sons,
                                                                Inc.,
                                                                Roosev
                                                                elt &
                                                                Cross
                                                                Incorp
                                                                orated
                                                                  ,
                                                                Merril
                                                                  l
                                                                Lynch
                                                                & Co.,
                                                                JPMorg
                                                                 an,
                                                                Sieber
                                                                  t
                                                                Brandf
                                                                 ord
                                                                Shank
                                                                & Co.,
                                                                 LLC,
                                                                 CIBC
                                                                World
                                                                Market
                                                                  s,
                                                                First
                                                                Americ
                                                                  an
                                                                Munici
                                                                pals,
                                                                Inc.,
                                                                Wachov
                                                                  ia
                                                                Bank,
                                                                Nation
                                                                  al
                                                                Associ
                                                                ation

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