SEC Form 3

FORM 3

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

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1. Name and Address of Reporting Person* Paglia Regina M. (Last) (First) (Middle) C/O DICERNA PHARMACEUTICALS, INC. 33 HAYDEN AVENUE (Street) LEXINGTON MA 02421 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 06/04/2020	3. Issuer Name and Ticker or Trading Symbol Dicerna Pharmaceuticals Inc [ DRNA ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) Chief Human Resources Officer	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Employee Stock Option (Right to Buy)	(1)	02/28/2029	Common Stock	180,000	$12.93	D
Restricted Stock Units	(2)	(2)	Common Stock	11,600	(2)	D
Employee Stock Option (Right to Buy)	(3)	01/07/2030	Common Stock	62,500	$22.58	D

Explanation of Responses:

1. The option vests 25% on the first year anniversary of the vesting start date of February 19, 2019 and the remaining 75% vests in 36 substantially equal monthly installments thereafter, subject in each case to the Reporting Person's continued service with the Issuer through each applicable vesting date.

2. Represents restricted stock units ("RSUs") that vest over a period of four years, with 25% of the RSUs vesting on each of the first, second, third and fourth anniversaries of January 8, 2020, subject in each case to the Reporting Person's continued service with the Issuer through each applicable vesting date. Each RSU represents the contingent right to receive one share of the Issuer's Common Stock.

3. The option vests in 48 substantially equal monthly installments, with the first installment vesting on the last day of January 2020, and the remaining vesting on the last day of each of the 47 months thereafter; subject in each case to the Reporting Person's continued service with the Issuer through each applicable vesting date.

Remarks:

Exhibit 24 - Power of Attorney

	/s/ Douglas W. Pagan, attorney-in-fact	06/15/2020
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (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).
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