Home > Insider Trading > Filing (0001104659-25-015322)

Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1649904	Rhythm Pharmaceuticals Inc.	RYTM	()	4

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1385155	P David Meeker	C/O Rhythm Pharmaceuticals, Inc. 222 Berkeley Street, 12Th Floor Boston MA 02116	President And Ceo	Yes	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2025-02-16	21,250	$0.00	211,177	No	4	M	Direct
Common Stock	Disposition	2025-02-19	9,896	$57.22	201,281	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Restricted Stock Units	Acquisiton	2025-02-14	133,350	$0.00	133,350	$0.00
Common Stock	Stock Options (Right to Buy)	Acquisiton	2025-02-14	200,000	$0.00	200,000	$56.69
Common Stock	Restricted Stock Units	Disposition	2025-02-16	21,250	$0.00	21,250	$0.00

Remaning Holdings	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
133,350		No	4	A	Direct
200,000	2035-02-13	No	4	A	Direct
63,750		No	4	M	Direct

Footnotes

Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.
The sale reported in this Form 4 was effected pursuant to Rule 10b5-1 instruction adopted prior to February 27, 2023 solely with the intent to cover withholding taxes in connection with the vesting of certain previously reported restricted stock units.
The restricted stock units vest as to 25% of the total shares on each of February 14, 2026, February 14, 2027, February 14, 2028 and February 14, 2029. The restricted stock units have no expiration date.
The stock options were granted on February 14, 2025. The options vest and become exercisable in 16 substantially equal installments upon the Reporting Person's completion of each three full months of successive service to the Issuer following the grant date.
The restricted stock units vest as to 25% of the total shares on each of February 16, 2025, February 16, 2026, February 16, 2027 and February 16, 2028. The restricted stock units have no expiration date.