13G Filing: RA Capital Management and Scpharmaceuticals Inc (SCPH)

Page 2 of 7 – SEC Filing

CUSIP No. 810648105 13G

1.

Names of Reporting Persons.
I.R.S. Identification Nos. of above persons (entities only).

RA Capital Management, LLC


2. Check the Appropriate Box if a Member of a Group (See Instructions)
(a) ¨
(b) ¨

3. SEC Use Only

4. Citizenship or Place of Organization         Massachusetts

Number of
Shares
Beneficially
Owned by
Each Reporting
Person With
5. Sole Voting Power                           0 shares

6. Shared Voting
Power
2,857,143 shares

7. Sole Dispositive
Power                    0
shares

8. Shared Dispositive
Power                2,857,143 shares

9.

Aggregate Amount Beneficially Owned by Each Reporting Person

2,857,143 shares


10.

Check if the Aggregate
Amount in Row (9) Excludes  ¨

Certain Shares (See Instructions)


11.

Percent of Class Represented by Amount in Row (9)

16.2%1


12.

Type of Reporting Person (See Instructions)

IA


1
The percentage calculation assumes that there are currently 17,610,151 outstanding shares of Common Stock of the
Issuer, based on the Issuer’s Form S-1/A as filed with the Securities and Exchange Commission (“SEC”) on November
7, 2017.

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