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CIK 0001649904 · Large accelerated filer

RHYTHM PHARMACEUTICALS, INC.

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Ticker
RYTM
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
462159271
Phone
857-264-4280
Business address
222 BERKELEY STREET, 12TH FLOOR, BOSTON, MA, 02116
Former names
RHYTHM METABOLIC, INC.
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$11,753,355
in 2 filings, $11.8M under 10b5-1 plans

Net −$11,753,355. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-06-24 MCGIRR DAVID W J Director Grant or award · Restricted Stock Units +2,324 2,324
2026-06-24 TETRAULT LYNN A. Director Grant or award · Stock Option (right to buy) +3,691 3,691
2026-06-24 TETRAULT LYNN A. Director Grant or award · Restricted Stock Units +2,324 2,324
2026-06-24 Arbuckle Stuart A Director Grant or award · Stock Option (right to buy) +3,691 3,691
2026-06-24 Arbuckle Stuart A Director Grant or award · Restricted Stock Units +2,324 2,324
2026-06-24 GOOD JENNIFER L Director Grant or award · Stock Option (right to buy) +3,691 3,691
2026-06-24 GOOD JENNIFER L Director Grant or award · Restricted Stock Units +2,324 2,324
2026-06-23 JEAN CHRISTOPHE Director Option exercise +4,712 11,712
2026-06-23 JEAN CHRISTOPHE Director Option exercise · Restricted Stock Units −4,712 0
2026-06-23 MCGIRR DAVID W J Director Option exercise +4,712 11,712
2026-06-23 MCGIRR DAVID W J Director Option exercise · Restricted Stock Units −4,712 0
2026-06-23 TETRAULT LYNN A. Director Option exercise +4,712 11,712
2026-06-23 TETRAULT LYNN A. Director Option exercise · Restricted Stock Units −4,712 0
2026-06-23 Arbuckle Stuart A Director Option exercise +4,712 11,712
2026-06-23 Arbuckle Stuart A Director Option exercise · Restricted Stock Units −4,712 0
2026-06-23 GOOD JENNIFER L Director Option exercise +4,712 11,712
2026-06-23 GOOD JENNIFER L Director Option exercise · Restricted Stock Units −4,712 0
2026-06-22 TETRAULT LYNN A. Director Option exercise 10b5-1 +37,000 $28.27 $1.0M 44,000
2026-06-22 TETRAULT LYNN A. Director Sale 10b5-1 −37,000 $100.32 $3.7M 7,000
2026-06-22 TETRAULT LYNN A. Director Option exercise · Stock Option (right to buy) 10b5-1 −37,000 0

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