Item 5.03  Amendments to Articles of Incorporation or Bylaws; Change in Fiscal
Year
On March 11, 2021, the Board of Directors of Dicerna Pharmaceuticals, Inc. (the
"Company") adopted the Company's Amended and Restated Bylaws (the "Restated
Bylaws"). The Restated Bylaws amended and restated the Company's bylaws in their
entirety to provide that, among other things, the district courts of the United
States of America shall be the sole and exclusive forum for the resolution of
any complaint asserting a cause of action arising under the Securities Act of
1933, as amended, unless the Company consents in writing to the selection of an
alternative forum.
The foregoing description of the Restated Bylaws is qualified in its entirety by
reference to the Restated Bylaws, a copy of which is attached hereto as Exhibit
3.4 and is hereby incorporated by reference herein.
Item 9.01  Financial Statements and Exhibits
(d) Exhibits
   Exhibit
     No.                                               Description
     3.4              Amended and Restated Bylaws of Dicerna Pharmaceuticals, Inc.
     104            Cover Page Interactive Data File (embedded within the Inline XBRL document).

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