Yann Mazabraud - Apr 14, 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
Stock symbol: RYTM
Transactions as of: Apr 14, 2023
Transactions value $: $0
Form type: 4
Date filed: 4/18/2023, 05:16 PM
Previous filing: Feb 16, 2023
Next filing: Feb 13, 2024
SEC: View on sec.gov

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	Disposed to Issuer	$0	-41.5K	-100%	$0.00^*	0	Apr 14, 2023	Common Stock	41.5K		Direct	F1, F2, F3
transaction	RYTM	Restricted Stock Units	Award	$0	+41.5K		$0.00	41.5K	Apr 14, 2023	Common Stock	41.5K		Direct	F1, F4

Showing 1 to 2 of 2 entries

* 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F2	The restricted stock units were rescinded and cancelled by mutual agreement of the reporting person and Issuer. The reporting person received French-qualified restricted stock units on April 14, 2023 as consideration for the recission and cancellation of the restricted stock previously received on February 1, 2023.
F3	The restricted stock units vest as to 25% of the total shares on each of February 1, 2024, February 1, 2025, February 1, 2026 and February 1, 2027. The restricted stock units have no expiration date.
F4	The restricted stock units vest as to 25% of the total shares on each of April 14, 2024, April 14, 2025, April 14, 2026 and April 14, 2027. The restricted stock units have no expiration date.