RHYTHM PHARMACEUTICALS, INC. — Director's Dealing 2017

Oct 10, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: RHYTHM PHARMACEUTICALS, INC. (RYTM)
CIK: 0001649904
Period of Report: 2017-10-10

Reporting Person: Hadley Harbor Master Investors (Cayman) L.P. (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-10-10	Common Stock	C	545256	—	Acquired	545256	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-10-10	Series A Convertible Preferred Stock	$	C	5000000	Disposed		Common Stock (545256)	Direct

Footnotes

F1: The Series A Convertible Preferred Stock converted into Common Stock on a 9.17-for-one basis upon the closing of the Issuer's initial public offering. The shares had no expiration date.