RHYTHM PHARMACEUTICALS, INC. — Director's Dealing 2023

Feb 13, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: RHYTHM PHARMACEUTICALS, INC. (RYTM)
CIK: 0001649904
Period of Report: 2023-02-09

Reporting Person: Cramer Pamela J. (Chief Human Resources Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-02-09	Common Stock	M	2344	—	Acquired	6985	Direct
2023-02-09	Common Stock	S	834	$27.66	Disposed	6151	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-02-09	Restricted Stock Units	$	M	2344	Disposed		Common Stock (2344)	Direct

Footnotes

F1: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

F2: Includes 2,417 shares acquired under Issuer's Employee Stock Purchase Plan on February 28, 2022 and August 31, 2022.

F3: The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1 instruction solely with the intent to cover withholding taxes in connection with the vesting of certain previously reported restricted stock units.

F4: The restricted stock units vest or have vested as to 25% of the total shares on each of February 9, 2023, February 9, 2024, February 9, 2025 and February 9, 2026. The restricted stock units have no expiration date.