FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * LANGER DENNIS   2. Issuer Name and Ticker or Trading Symbol Dicerna Pharmaceuticals Inc [DRNA] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 480 ARSENAL STREET, BLDG 1, SUITE 120 3. Date of Earliest Transaction (Month/Day/Year) 02/04/2014 (Street) WATERTOWN, MA 02472 4. If Amendment, Date Original Filed(Month/Day/Year) 02/04/2014 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock (1) 02/04/2014   C   95,014 A (2) 95,194 I Langer Family Holdings, LLLP

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Series A Preferred (1)

(2)

02/04/2014

C

15,000

(2)

(2)

Common Stock

15,000

$ 0

0

I

Langer Family Holdings, LLLP

Series B Preferred

(2)

02/04/2014

C

8,586

(2)

(2)

Common Stock

8,586

$ 0

0

I

Langer Family Holdings, LLLP

Series C Preferred

(2)

02/04/2014

C

71,428

(2)

(2)

Common Stock

71,428

$ 0

0

I

Langer Family Holdings, LLLP

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
LANGER DENNIS 480 ARSENAL STREET, BLDG 1, SUITE 120 WATERTOWN, MA 02472	X

Signatures

Dennis Langer		04/21/2014
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	This amendment to Form 4 is being filed to correct the number of shares of the issuer's Series A preferred stock previously beneficially owned by the reporting person subject to the referenced transactions. The incorrect number of shares of the Series A preferred stock was also reported on the Form 3 filed by the reporting person on January 29, 2014 and the Form 4/A filed by the reporting person on February 20, 2014.
(2)	The issuer's outstanding shares of Series A, Series B, and Series C preferred stock were automatically converted on a one-for-one basis into shares of the issuer's common stock immediately upon the closing of the issuer's initial public offering of common stock and had no expiration date.

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