Yann Mazabraud - 11 Feb 2023 Form 4 Insider Report for RHYTHM PHARMACEUTICALS, INC. (RYTM)

Role: EVP, Head of International
Signature: /s/ Hunter Smith, Attorney-in-Fact for Yann Mazabraud
Issuer symbol: RYTM
Transactions as of: 11 Feb 2023
Net transactions value: $0
Form type: 4
Filing time: 14 Feb 2023, 19:57:51 UTC
Previous filing: 14 Feb 2023
Next filing: 16 Feb 2023
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	RYTM	Common Stock	Options Exercise		+2,031	+68%		5,004	11 Feb 2023	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	RYTM	Restricted Stock Units	Options Exercise	$0	-2,031	-33%	$0.000000	4,062	11 Feb 2023	Common Stock	2,031		Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.
F2	The restricted stock units vest or have vested as to 25% of the total shares on each of February 11, 2022, February 11, 2023, February 11, 2024 and February 11, 2025. The restricted stock units have no expiration date.