X0306 4 2020-06-15 0 0001399529 Dicerna Pharmaceuticals Inc DRNA 0001190418 HOFFMAN STEPHEN J C/O DICERNA PHARMACEUTICALS, INC. 33 HAYDEN AVENUE LEXINGTON MA 02421 1 0 0 0 Restricted Stock Units 2020-06-15 4 A 0 3333 0.00 A Common Stock 3333 3333 D Director Stock Option (Right to Buy) 21.61 2020-06-15 4 A 0 15000 0.00 A 2030-06-14 Common Stock 15000 15000 D Represents restricted stock units ("RSUs") that vest 12 months from June 15, 2020 ("Grant Date"), provided that these RSUs vest in full on the Issuer's next regularly scheduled annual meeting of stockholders that occurs following the Grant Date, subject to the Reporting Person's continued service to the Issuer through such vesting date or, if earlier, such annual meeting. Each RSU represents the contingent right to receive one share of the Issuer's Common Stock. This option vests monthly over 12 months from the Grant Date in substantially equal monthly installments, provided that the option vests in full on the Issuer's next regularly scheduled annual meeting of stockholders that occurs following the Grant Date, subject to the Reporting Person's continued service to the Issuer through each applicable vesting date or, if earlier, such annual meeting. Exhibit 24 - Power of Attorney /s/ Douglas W. Pagan, attorney-in-fact 2020-06-16