RHYTHM PHARMACEUTICALS INC

Ticker: RYTM CUSIP: 76243J105 Class: Common Stock

BlackRock, Inc.'s Holding History (CIK: 0002012383)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 6,297,334 Value ($000) $674,067 Avg Close $106.08 Range $95.27 - $122.20

Q3 2025

Shares 6,302,215 Value ($000) $636,461 Avg Close $92.84 Range $62.84 - $106.52

Q2 2025

Shares 6,267,538 Value ($000) $396,046 Avg Close $61.23 Range $45.91 - $69.89

Q1 2025

Shares 6,854,755 Value ($000) $363,096 Avg Close $55.48 Range $47.86 - $62.14

Q4 2024

Shares 6,950,715 Value ($000) $389,101 Avg Close $55.24 Range $46.80 - $68.58

Q3 2024

Shares 6,889,258 Value ($000) $360,928 Avg Close $47.92 Range $40.46 - $55.64

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,297,334	$674,067	$106.08	$95.27 - $122.20
Q3 2025	6,302,215	$636,461	$92.84	$62.84 - $106.52
Q2 2025	6,267,538	$396,046	$61.23	$45.91 - $69.89
Q1 2025	6,854,755	$363,096	$55.48	$47.86 - $62.14
Q4 2024	6,950,715	$389,101	$55.24	$46.80 - $68.58
Q3 2024	6,889,258	$360,928	$47.92	$40.46 - $55.64