13D Filing: RA Capital Management and Dicerna Pharmaceuticals Inc (DRNA)

Page 4 of 6 – SEC Filing

CUSIP No. 253031108

 

1

Names of Reporting Persons.

RA Capital Healthcare Fund, L.P.

2 Check the Appropriate Box if a Member of a Group (See Instructions)
(a) [ ]
(b) [ ]
3 SEC Use Only
4

Source of Funds (See Instructions):

WC

5

Check if disclosure of legal proceedings
is required pursuant to Items 2(d) or 2(e):

[ ]

6 Citizenship or Place of Organization.     Delaware

Number

of Shares

Beneficially

Owned by

Each

Reporting

Person With

7 Sole Voting Power     0
  
8 Shared Voting Power      3,908,570
9 Sole Dispositive Power     0
10 Shared Dispositive Power  3,908,570
11

Aggregate Amount Beneficially Owned by
Each Reporting Person

3,908,570

12 Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)     [ ]
13

Percent of Class Represented by Amount
in Row (11)

7.6%3

14

Type of Reporting Person (See Instructions)

PN (Limited Partnership)

3
Represents 3,908,570 shares of the Common Stock of the Issuer which constitutes approximately 7.57% of the class
outstanding. The percentage calculation assumes that there are currently 51,641,738 outstanding shares of the Common Stock of
the Issuer, based on the Issuer’s Form 8-K as filed with the SEC on December 29, 2017.

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