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Rhythm Pharmaceuticals, Inc.

RYTM
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001649904

In the last 90 days, Rhythm Pharmaceuticals, Inc. insiders filed 0 open-market purchases and 6 sales; 304 institutions reported holding it in 13F filings for Q2 2026, worth $8.55B in total; Duquesne Family Office is the only superinvestor holding it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Rhythm Pharmaceuticals, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
6 filings
6 insiders, $28.8M in total
Insiders trading
6
Net value
−$28.8M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Rhythm Pharmaceuticals, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Rhythm Pharmaceuticals, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Meeker David PPresident and CEO239,258Sep 14, 20263
Smith Hunter CChief Financial Officer114,024Sep 1, 20267
Joshi ManherChief Medical Officer–Aug 18, 20261
Shulman JosephChief Technical Officer15,915Aug 17, 20266
Garfield AlastairChief Scientific Officer2,295Aug 17, 20264
Chien JenniferEVP, Head of North America0Aug 14, 20263
Mazabraud YannEVP, Head of International55,655Aug 14, 20266
McGirr David W JDirector11,712Jun 25, 20261
Good Jennifer LDirector11,712Jun 25, 20261
Jean ChristopheDirector11,712Jun 25, 20261
Arbuckle Stuart ADirector11,712Jun 25, 20261
Tetrault Lynn A.Director11,712Jun 25, 20262
German Christopher PaulCorporate Controller & CAO0May 19, 20265
Popovits Kimberly JDirector–Apr 3, 20261
Mathers Edward TDirector14,168IndirectMar 16, 20262
Cramer Pamela J.Chief Human Resources Officer29,376Feb 13, 20265
Bedrosian Camille LDirector7,000Jun 26, 20250
Roberts William T.Chief Accounting Officer7,872Mar 31, 20230
Manning Linda ShapiroChief Medical Officer–Feb 11, 20220

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Nov 16, 2023 (view filing)Nov 142 daysSmith Hunter CChief Financial OfficerSSale−12.0K$30.38−$364.6K−16.3%61.4K after
Nov 13, 2023 (view filing)Nov 8-95 daysChien JenniferEVP, Head of North AmericaSSale−9.15K$28.44−$260.3K−84.7%1.65K after4 lots10b5-1
Nov 7, 2023 (view filing)Nov 34 daysChien JenniferEVP, Head of North AmericaSSale−80$28.00−$2.24K−4.6%1.65K after10b5-1
Sep 7, 2023 (view filing)Sep 52 daysChien JenniferEVP, Head of North AmericaSSale−6.17K$28.05−$173.0K−78.9%1.65K after10b5-1
Aug 9, 2023 (view filing)Aug 7-92 daysChien JenniferEVP, Head of North AmericaSSale−12.9K$24.24−$313.7K−79.7%3.29K after2 lots10b5-1
Jul 28, 2023 (view filing)Jul 262 daysCramer Pamela J.Chief Human Resources OfficerSSale−930$17.64−$16.4K−9.9%8.42K after10b5-1
Mar 31, 2023 (view filing)Mar 292 daysRoberts William T.Chief Accounting OfficerSSale−912$17.50−$16.0K−10.4%7.87K after
Feb 16, 2023 (view filing)Feb 142 daysMazabraud YannEVP, Head of InternationalSSale−1.18K$27.03−$31.8K−23.5%3.83K after
Feb 14, 2023 (view filing)Feb 14Same dayShulman JosephChief Technical OfficerSSale−554$26.87−$14.9K−12.9%3.74K after
Feb 14, 2023 (view filing)Feb 14Same dayChien JenniferEVP, Head of North AmericaSSale−635$26.87−$17.1K−11.4%4.94K after
Feb 14, 2023 (view filing)Feb 14Same daySmith Hunter CChief Financial OfficerSSale−702$26.87−$18.9K−1.2%59.4K after
Feb 14, 2023 (view filing)Feb 95 daysCramer Pamela J.Chief Human Resources OfficerSSale−843$27.51−$23.2K−12.1%6.14K afterAmended
Feb 14, 2023 (view filing)Feb 95 daysRoberts William T.Chief Accounting OfficerSSale−969$27.51−$26.7K−13.4%6.28K afterAmended
Feb 14, 2023 (view filing)Feb 95 daysMazabraud YannEVP, Head of InternationalSSale−1.56K$27.51−$43.0K−34.5%2.97K afterAmended
Feb 14, 2023 (view filing)Feb 95 daysShulman JosephChief Technical OfficerSSale−931$27.51−$25.6K−25.4%2.73K afterAmended
Feb 14, 2023 (view filing)Feb 95 daysChien JenniferEVP, Head of North AmericaSSale−1.20K$27.51−$33.1K−25.4%3.54K afterAmended
Feb 14, 2023 (view filing)Feb 95 daysSmith Hunter CChief Financial OfficerSSale−1.41K$27.51−$38.9K−2.4%57.8K afterAmended
Aug 23, 2022 (view filing)Aug 194 daysCramer Pamela J.Chief Human Resources OfficerSSale−13.5K$24.83−$335.0K−85.8%2.22K after
Jul 28, 2022 (view filing)Jul 271 dayCramer Pamela J.Chief Human Resources OfficerSSale−901$11.68−$10.5K−28.8%2.22K after
Jul 6, 2022 (view filing)Jul 15 daysSmith Hunter CChief Financial OfficerSSale−7.55K$4.08−$30.8K−11.6%57.6K after
Mar 31, 2022 (view filing)Mar 292 daysRoberts William T.Chief Accounting OfficerSSale−1.02K$11.13−$11.4K−40.9%1.48K after
Feb 15, 2022 (view filing)Feb 15Same dayShulman JosephChief Technical OfficerSSale−557$6.10−$3.40K−35.6%1.01K after
Feb 15, 2022 (view filing)Feb 15Same daySmith Hunter CChief Financial OfficerSSale−833$6.10−$5.08K−2.0%40.2K after
Feb 15, 2022 (view filing)Feb 15Same dayMazabraud YannEVP, Head of InternationalSSale−934$6.10−$5.70K−46.0%1.10K after
Feb 15, 2022 (view filing)Feb 15Same dayChien JenniferEVP, Head of North AmericaSSale−722$6.10−$4.40K−35.5%1.31K after