15 insiders reported 175 Form 4 transactions for RHYTHM PHARMACEUTICALS, INC. (RYTM) over the past 18 months (most recent 2026-09-14). Recent activity: Meeker David P (President and CEO) Buy 50,000 shares, Meeker David P (President and CEO) Sell 6,439 shares, Meeker David P (President and CEO) Sell 30,746 shares, Meeker David P (President and CEO) Sell 8,698 shares, Meeker David P (President and CEO) Sell 1,817 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-14 | Meeker David P | President and CEO | Buy | 50,000 | $302,500 |
| 2026-09-14 | Meeker David P | President and CEO | Sell | 6,439 | $655,145 |
| 2026-09-14 | Meeker David P | President and CEO | Sell | 30,746 | $3.1M |
| 2026-09-14 | Meeker David P | President and CEO | Sell | 8,698 | $899,634 |
| 2026-09-14 | Meeker David P | President and CEO | Sell | 1,817 | $189,965 |
| 2026-09-14 | Meeker David P | President and CEO | Sell | 2,300 | $241,937 |
| 2026-09-01 | Smith Hunter C | Chief Financial Officer | Buy | 57,187 | $1.5M |
| 2026-09-01 | Smith Hunter C | Chief Financial Officer | Sell | 23,072 | $2.4M |
| 2026-09-01 | Smith Hunter C | Chief Financial Officer | Sell | 11,514 | $1.2M |
| 2026-09-01 | Smith Hunter C | Chief Financial Officer | Sell | 28,188 | $3.0M |
| 2026-08-17 | Shulman Joseph | Chief Technical Officer | Sell | 5,079 | $608,210 |
| 2026-08-17 | Garfield Alastair | Chief Scientific Officer | Sell | 2,007 | $233,031 |
| 2026-08-17 | Shulman Joseph | Chief Technical Officer | Buy | 2,024 | $13,763 |
| 2026-08-17 | Garfield Alastair | Chief Scientific Officer | Sell | 1,556 | $182,170 |
| 2026-08-17 | Garfield Alastair | Chief Scientific Officer | Sell | 3,400 | $402,167 |
| 2026-08-17 | Garfield Alastair | Chief Scientific Officer | Sell | 800 | $95,335 |
| 2026-08-14 | Mazabraud Yann | EVP, Head of International | Buy | 46,625 | $317,050 |
| 2026-08-14 | Lee Jennifer Kayden | EVP, Head of North America | Buy | 35,000 | $850,150 |
| 2026-08-14 | Mazabraud Yann | EVP, Head of International | Sell | 2,300 | $257,138 |
| 2026-08-14 | Lee Jennifer Kayden | EVP, Head of North America | Buy | 21,601 | $146,887 |
| 2026-08-14 | Mazabraud Yann | EVP, Head of International | Sell | 1,000 | $112,856 |
| 2026-08-14 | Lee Jennifer Kayden | EVP, Head of North America | Sell | 75,834 | $8.9M |
| 2026-08-14 | Mazabraud Yann | EVP, Head of International | Sell | 3,605 | $413,477 |
| 2026-08-14 | Mazabraud Yann | EVP, Head of International | Sell | 14,568 | $1.7M |
| 2026-08-14 | Mazabraud Yann | EVP, Head of International | Sell | 18,208 | $2.1M |
Source: SEC Form 4 filings · as of 2026-09-14