Rhythm Pharmaceuticals, Inc. (RYTM) Insider Ownership

Historic Insider Ownership Trends

Through the 90-day period concluding February 07, 2026, Rhythm Pharmaceuticals's top three insider stakeholders include President And Ceo David P Meeker (239.02K shares), Chief Financial Officer Hunter C Smith (125.54K shares), Evp And Head Of International Yann Mazabraud (43.16K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
David P Meeker President And Ceo 239,016 03 Feb, 2026
Hunter C Smith Chief Financial Officer 125,537 06 Feb, 2026
Yann Mazabraud Evp And Head Of International 43,155 03 Feb, 2026
Pamela J. Cramer Chief Human Resources Officer 29,376 03 Feb, 2026
Jennifer Kayden Lee Evp And Head Of North America 19,233 03 Feb, 2026
Joseph Shulman Chief Technical Officer 18,970 03 Feb, 2026
Edward T Mathers 12,771 23 Jun, 2025
William T. Roberts Chief Accounting Officer 7,872 31 Mar, 2023
Alastair Garfield Chief Scientific Officer 7,763 03 Feb, 2026
Camille L Bedrosian 7,000 23 Jun, 2025
Stuart A Arbuckle 7,000 23 Jun, 2025
Christophe Jean 7,000 23 Jun, 2025
Lynn A. Tetrault 7,000 23 Jun, 2025
David W J Mcgirr 7,000 23 Jun, 2025
Jennifer L Good 7,000 23 Jun, 2025
Christopher Paul German Corporate Controller & Cao 3,433 03 Feb, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
05 Feb, 2026 Hunter C Smith Common Stock D 3,381 $106.06 125,537 D S
04 Feb, 2026 Hunter C Smith Common Stock D 1,500 $104.74 130,665 D S
04 Feb, 2026 Hunter C Smith Common Stock D 747 $107.67 128,918 D S
04 Feb, 2026 Hunter C Smith Common Stock D 1,000 $106.60 129,665 D S
01 Feb, 2026 Christopher Paul German Common Stock D 1,138 $108.99 3,433 D F
01 Feb, 2026 Christopher Paul German Common Stock A 3,613 - 4,571 D M
01 Feb, 2026 David P Meeker Common Stock A 68,713 - 270,538 D M
01 Feb, 2026 David P Meeker Common Stock D 31,522 $108.99 239,016 D F
01 Feb, 2026 Hunter C Smith Common Stock A 26,000 - 142,915 D M
01 Feb, 2026 Hunter C Smith Common Stock D 10,750 $108.99 132,165 D F
01 Feb, 2026 Yann Mazabraud Common Stock A 5,500 - 43,155 D M
01 Feb, 2026 Jennifer Kayden Lee Common Stock D 9,237 $108.99 19,233 D F
01 Feb, 2026 Jennifer Kayden Lee Common Stock A 22,612 - 28,470 D M
01 Feb, 2026 Pamela J. Cramer Common Stock D 4,731 $108.99 29,376 D F
01 Feb, 2026 Pamela J. Cramer Common Stock A 13,293 - 34,107 D M
01 Feb, 2026 Joseph Shulman Common Stock D 6,507 $108.99 18,970 D F
01 Feb, 2026 Joseph Shulman Common Stock A 16,968 - 25,477 D M
01 Feb, 2026 Alastair Garfield Common Stock D 2,026 $108.99 7,763 D F
01 Feb, 2026 Alastair Garfield Common Stock A 6,663 - 9,789 D M
11 Dec, 2025 Pamela J. Cramer Common Stock D 3,350 $111.00 20,814 D S