RYTM · Rhythm Pharmaceuticals Inc. Common Stock
View on chartInsiders & Stakes
| David P. Meeker | ▼ Sell | Tax Withholding | 239,016 Shares held | 2/1/2026 | View profile |
| Hunter C. Smith Chief Financial Officer | ▲ Buy | Option Exercise | 119,611 Shares held | 5/18/2026 | View profile |
| Yann Mazabraud EVP, Head of International | ▼ Sell | Open Market | 55,655 Shares held | 8/12/2026 | View profile |
| Pamela J. Cramer Chief Human Resources Officer | ▼ Sell | Tax Withholding | 29,376 Shares held | 2/1/2026 | View profile |
| Joseph Shulman Chief Technical Officer | ▼ Sell | Open Market | 15,915 Shares held | 8/13/2026 | View profile |
| Edward T. Mathers | ▼ Sell | Other | 14,168 Shares held | 3/12/2026 | View profile |
| Lynn A. Tetrault Director | ▲ Buy | Option Exercise | 11,712 Shares held | 6/23/2026 | View profile |
| Stuart A. Arbuckle EVP, COO | ▲ Buy | Option Exercise | 11,712 Shares held | 6/23/2026 | View profile |
| Christophe Jean Director | ▲ Buy | Option Exercise | 11,712 Shares held | 6/23/2026 | View profile |
| David W. J. McGirr Director | ▲ Buy | Option Exercise | 11,712 Shares held | 6/23/2026 | View profile |
| Jennifer L. Good President & CEO | ▲ Buy | Option Exercise | 11,712 Shares held | 6/23/2026 | View profile |
| Roberts William T. Chief Accounting Officer | ▼ Sell | Open Market | 7,872 Shares held | 3/29/2023 | View profile |
| Bedrosian Camille L EVP and Chief Medical Officer | ▲ Buy | Option Exercise | 7,000 Shares held | 6/18/2025 | View profile |
| Alastair Garfield Chief Scientific Officer | ▼ Sell | Open Market | 2,295 Shares held | 8/13/2026 | View profile |
| Christopher Paul German Corporate Controller & CAO | ▼ Sell | Open Market | 0 Shares held | 5/15/2026 | View profile |
| Jennifer Kayden Lee EVP, Head of North America | ▼ Sell | Open Market | 0 Shares held | 8/13/2026 | View profile |
Transaction History
| Joseph Shulman | ▲ Buy | Option Exercise | 2,024 | $14K | 8/13/2026 |
| Joseph Shulman | ▼ Sell | Open Market | 5,079 | $608K | 8/13/2026 |
| Alastair Garfield | ▼ Sell | Open Market | 2,007 | $233K | 8/13/2026 |
| Alastair Garfield | ▼ Sell | Open Market | 1,556 | $182K | 8/13/2026 |
| Alastair Garfield | ▼ Sell | Open Market | 3,400 | $402K | 8/13/2026 |
| Alastair Garfield | ▼ Sell | Open Market | 800 | $95K | 8/13/2026 |
| Jennifer Kayden Lee | ▲ Buy | Option Exercise | 35,000 | $850K | 8/13/2026 |
| Jennifer Kayden Lee | ▲ Buy | Option Exercise | 21,601 | $147K | 8/13/2026 |
| Jennifer Kayden Lee | ▼ Sell | Open Market | 75,834 | $8.9M | 8/13/2026 |
| Yann Mazabraud | ▲ Buy | Option Exercise | 46,625 | $317K | 8/12/2026 |
| Yann Mazabraud | ▼ Sell | Open Market | 2,300 | $257K | 8/12/2026 |
| Yann Mazabraud | ▼ Sell | Open Market | 1,000 | $113K | 8/12/2026 |
| Yann Mazabraud | ▼ Sell | Open Market | 3,605 | $413K | 8/12/2026 |
| Yann Mazabraud | ▼ Sell | Open Market | 14,568 | $1.7M | 8/12/2026 |
| Yann Mazabraud | ▼ Sell | Open Market | 18,208 | $2.1M | 8/12/2026 |
| Yann Mazabraud | ▼ Sell | Open Market | 17,319 | $2.0M | 8/12/2026 |
| Alastair Garfield | ▲ Buy | Option Exercise | 4,445 | — | 7/1/2026 |
| Alastair Garfield | ▼ Sell | Tax Withholding | 2,150 | $237K | 7/1/2026 |
| Christophe Jean | ▲ Buy | Option Exercise | 4,712 | — | 6/23/2026 |
| David W. J. McGirr | ▲ Buy | Option Exercise | 4,712 | — | 6/23/2026 |
| Lynn A. Tetrault | ▲ Buy | Option Exercise | 4,712 | — | 6/23/2026 |
| Stuart A. Arbuckle | ▲ Buy | Option Exercise | 4,712 | — | 6/23/2026 |
| Jennifer L. Good | ▲ Buy | Option Exercise | 4,712 | — | 6/23/2026 |
| Lynn A. Tetrault | ▲ Buy | Option Exercise | 37,000 | $1.0M | 6/22/2026 |
| Lynn A. Tetrault | ▼ Sell | Open Market | 37,000 | $3.7M | 6/22/2026 |
| Hunter C. Smith | ▲ Buy | Option Exercise | 3,000 | $54K | 5/18/2026 |
| Christopher Paul German | ▲ Buy | Option Exercise | 1,687 | $96K | 5/15/2026 |
| Christopher Paul German | ▲ Buy | Option Exercise | 1,349 | $66K | 5/15/2026 |
| Christopher Paul German | ▲ Buy | Option Exercise | 1,406 | $25K | 5/15/2026 |
| Christopher Paul German | ▼ Sell | Open Market | 4,643 | $428K | 5/15/2026 |
| Yann Mazabraud | ▲ Buy | Option Exercise | 12,875 | — | 4/1/2026 |
| Edward T. Mathers | ▼ Sell | Other | 4,199 | $0 | 3/12/2026 |
| Christopher Paul German | ▲ Buy | Option Exercise | 1,500 | $27K | 3/4/2026 |
| Christopher Paul German | ▼ Sell | Open Market | 5,614 | $503K | 3/4/2026 |
| Edward T. Mathers | ▼ Sell | Other | 4,198 | $0 | 3/2/2026 |
| Hunter C. Smith | ▲ Buy | Option Exercise | 6,099 | $41K | 3/2/2026 |
| Christopher Paul German | ▲ Buy | Option Exercise | 1,162 | — | 3/1/2026 |
| Christopher Paul German | ▼ Sell | Tax Withholding | 342 | $32K | 3/1/2026 |
| Hunter C. Smith | ▼ Sell | Open Market | 1,308 | $131K | 2/19/2026 |
| Hunter C. Smith | ▼ Sell | Open Market | 1,692 | $171K | 2/19/2026 |
| Hunter C. Smith | ▼ Sell | Open Market | 800 | $82K | 2/19/2026 |
| Hunter C. Smith | ▼ Sell | Open Market | 585 | $60K | 2/19/2026 |
| Hunter C. Smith | ▼ Sell | Open Market | 1,200 | $119K | 2/17/2026 |
| Hunter C. Smith | ▼ Sell | Open Market | 200 | $20K | 2/17/2026 |
| Hunter C. Smith | ▼ Sell | Open Market | 900 | $92K | 2/17/2026 |
| Hunter C. Smith | ▼ Sell | Open Market | 1,069 | $110K | 2/17/2026 |
| Hunter C. Smith | ▼ Sell | Open Market | 200 | $21K | 2/17/2026 |
| Yann Mazabraud | ▲ Buy | Option Exercise | 10,000 | — | 2/14/2026 |
| Hunter C. Smith | ▼ Sell | Open Market | 292 | $28K | 2/12/2026 |
| Hunter C. Smith | ▼ Sell | Open Market | 400 | $39K | 2/12/2026 |
| Hunter C. Smith | ▼ Sell | Open Market | 800 | $79K | 2/12/2026 |
| Hunter C. Smith | ▼ Sell | Open Market | 100 | $10K | 2/12/2026 |
| Hunter C. Smith | ▼ Sell | Open Market | 2,266 | $223K | 2/11/2026 |
| Hunter C. Smith | ▼ Sell | Open Market | 400 | $40K | 2/11/2026 |
| Hunter C. Smith | ▼ Sell | Open Market | 100 | $10K | 2/11/2026 |
| Hunter C. Smith | ▼ Sell | Open Market | 1,913 | $196K | 2/10/2026 |
| Hunter C. Smith | ▼ Sell | Open Market | 700 | $73K | 2/10/2026 |
| Hunter C. Smith | ▼ Sell | Open Market | 100 | $10K | 2/10/2026 |
| Hunter C. Smith | ▼ Sell | Open Market | 3,381 | $359K | 2/5/2026 |
| Hunter C. Smith | ▼ Sell | Open Market | 1,500 | $157K | 2/4/2026 |
| Hunter C. Smith | ▼ Sell | Open Market | 1,000 | $107K | 2/4/2026 |
| Hunter C. Smith | ▼ Sell | Open Market | 747 | $80K | 2/4/2026 |
| Yann Mazabraud | ▲ Buy | Option Exercise | 5,500 | — | 2/1/2026 |
| Hunter C. Smith | ▲ Buy | Option Exercise | 26,000 | — | 2/1/2026 |
| Hunter C. Smith | ▼ Sell | Tax Withholding | 10,750 | $1.2M | 2/1/2026 |
| Joseph Shulman | ▲ Buy | Option Exercise | 16,968 | — | 2/1/2026 |
| Joseph Shulman | ▼ Sell | Tax Withholding | 6,507 | $709K | 2/1/2026 |
| David P. Meeker | ▲ Buy | Option Exercise | 68,713 | — | 2/1/2026 |
| David P. Meeker | ▼ Sell | Tax Withholding | 31,522 | $3.4M | 2/1/2026 |
| Jennifer Kayden Lee | ▲ Buy | Option Exercise | 22,612 | — | 2/1/2026 |
| Jennifer Kayden Lee | ▼ Sell | Tax Withholding | 9,237 | $1.0M | 2/1/2026 |
| Christopher Paul German | ▲ Buy | Option Exercise | 3,613 | — | 2/1/2026 |
| Christopher Paul German | ▼ Sell | Tax Withholding | 1,138 | $124K | 2/1/2026 |
| Alastair Garfield | ▲ Buy | Option Exercise | 6,663 | — | 2/1/2026 |
| Alastair Garfield | ▼ Sell | Tax Withholding | 2,026 | $221K | 2/1/2026 |
| Pamela J. Cramer | ▲ Buy | Option Exercise | 13,293 | — | 2/1/2026 |
| Pamela J. Cramer | ▼ Sell | Tax Withholding | 4,731 | $516K | 2/1/2026 |
| Pamela J. Cramer | ▲ Buy | Option Exercise | 3,350 | $92K | 12/11/2025 |
| Pamela J. Cramer | ▼ Sell | Open Market | 3,350 | $372K | 12/11/2025 |
| Pamela J. Cramer | ▲ Buy | Option Exercise | 3,350 | $92K | 11/20/2025 |
| Pamela J. Cramer | ▼ Sell | Open Market | 3,350 | $352K | 11/20/2025 |
| Pamela J. Cramer | ▲ Buy | Option Exercise | 3,515 | $24K | 11/10/2025 |
| Pamela J. Cramer | ▼ Sell | Open Market | 3,515 | $352K | 11/10/2025 |
| Pamela J. Cramer | ▲ Buy | Option Exercise | 8,805 | $167K | 11/7/2025 |
| Pamela J. Cramer | ▲ Buy | Option Exercise | 10,546 | $72K | 11/7/2025 |
| Pamela J. Cramer | ▼ Sell | Open Market | 19,351 | $1.9M | 11/7/2025 |
| Joseph Shulman | ▲ Buy | Option Exercise | 9,748 | $299K | 10/30/2025 |
| Joseph Shulman | ▼ Sell | Open Market | 9,748 | $1.1M | 10/30/2025 |
| Joseph Shulman | ▲ Buy | Option Exercise | 2,094 | $57K | 10/28/2025 |
| Joseph Shulman | ▲ Buy | Option Exercise | 721 | $22K | 10/28/2025 |
| Joseph Shulman | ▼ Sell | Open Market | 2,815 | $324K | 10/28/2025 |
| Joseph Shulman | ▲ Buy | Option Exercise | 2,093 | $57K | 10/16/2025 |
| Joseph Shulman | ▲ Buy | Option Exercise | 12,344 | $378K | 10/16/2025 |
| Joseph Shulman | ▼ Sell | Open Market | 2,693 | $299K | 10/16/2025 |
| Joseph Shulman | ▼ Sell | Open Market | 8,332 | $934K | 10/16/2025 |
| Joseph Shulman | ▼ Sell | Open Market | 3,412 | $385K | 10/16/2025 |
| Joseph Shulman | ▲ Buy | Option Exercise | 2,094 | $57K | 9/2/2025 |
| Joseph Shulman | ▲ Buy | Option Exercise | 14,687 | $450K | 9/2/2025 |
| Joseph Shulman | ▼ Sell | Open Market | 16,781 | $1.8M | 9/2/2025 |
| Joseph Shulman | ▲ Buy | Option Exercise | 4,188 | $115K | 8/21/2025 |
| Joseph Shulman | ▼ Sell | Open Market | 4,188 | $419K | 8/21/2025 |
| Hunter C. Smith | ▲ Buy | Option Exercise | 3,477 | $24K | 8/13/2025 |
| Hunter C. Smith | ▼ Sell | Open Market | 3,477 | $334K | 8/13/2025 |
| Hunter C. Smith | ▲ Buy | Option Exercise | 24,611 | $169K | 8/12/2025 |
| Hunter C. Smith | ▼ Sell | Open Market | 24,611 | $2.4M | 8/12/2025 |
| Christopher Paul German | ▲ Buy | Option Exercise | 1,000 | $18K | 8/12/2025 |
| Christopher Paul German | ▲ Buy | Option Exercise | 500 | $25K | 8/12/2025 |
| Christopher Paul German | ▼ Sell | Open Market | 1,500 | $143K | 8/12/2025 |
| Joseph Shulman | ▲ Buy | Option Exercise | 3,984 | $27K | 8/11/2025 |
| Joseph Shulman | ▼ Sell | Open Market | 3,984 | $359K | 8/11/2025 |
| Pamela J. Cramer | ▼ Sell | Open Market | 1,520 | $131K | 7/29/2025 |
| Pamela J. Cramer | ▲ Buy | Option Exercise | 3,125 | — | 7/26/2025 |
| Hunter C. Smith | ▲ Buy | Option Exercise | 42,120 | $290K | 7/9/2025 |
| Hunter C. Smith | ▼ Sell | Open Market | 17,113 | $1.3M | 7/9/2025 |
| Hunter C. Smith | ▼ Sell | Open Market | 1,607 | $122K | 7/9/2025 |
| Hunter C. Smith | ▼ Sell | Open Market | 23,400 | $2.0M | 7/9/2025 |
| Joseph Shulman | ▲ Buy | Option Exercise | 7,969 | $54K | 7/9/2025 |
| Joseph Shulman | ▼ Sell | Open Market | 3,984 | $301K | 7/9/2025 |
| Joseph Shulman | ▼ Sell | Open Market | 3,985 | $319K | 7/9/2025 |
| Christopher Paul German | ▲ Buy | Option Exercise | 2,000 | $36K | 7/9/2025 |
| Christopher Paul German | ▲ Buy | Option Exercise | 850 | $42K | 7/9/2025 |
| Christopher Paul German | ▼ Sell | Open Market | 1,967 | $151K | 7/9/2025 |
| Christopher Paul German | ▼ Sell | Open Market | 1,850 | $157K | 7/9/2025 |
| Pamela J. Cramer | ▲ Buy | Option Exercise | 10,547 | $72K | 7/9/2025 |
| Pamela J. Cramer | ▲ Buy | Option Exercise | 5,025 | $137K | 7/9/2025 |
| Pamela J. Cramer | ▼ Sell | Open Market | 4,225 | $319K | 7/9/2025 |
| Pamela J. Cramer | ▼ Sell | Open Market | 7,831 | $601K | 7/9/2025 |
| Pamela J. Cramer | ▼ Sell | Open Market | 3,516 | $281K | 7/9/2025 |
| Hunter C. Smith | ▲ Buy | Option Exercise | 6,986 | $48K | 7/7/2025 |
| Alastair Garfield | ▼ Sell | Open Market | 1,313 | $85K | 7/2/2025 |
| Alastair Garfield | ▼ Sell | Open Market | 6 | $388 | 7/2/2025 |
| Alastair Garfield | ▲ Buy | Option Exercise | 4,445 | — | 7/1/2025 |
| Edward T. Mathers | ▲ Buy | Option Exercise | 4,000 | — | 6/18/2025 |
| Christophe Jean | ▲ Buy | Option Exercise | 4,000 | — | 6/18/2025 |
| Jennifer L. Good | ▲ Buy | Option Exercise | 4,000 | — | 6/18/2025 |
| Bedrosian Camille L | ▲ Buy | Option Exercise | 4,000 | — | 6/18/2025 |
| Stuart A. Arbuckle | ▲ Buy | Option Exercise | 4,000 | — | 6/18/2025 |
| David W. J. McGirr | ▲ Buy | Option Exercise | 4,000 | — | 6/18/2025 |
| Lynn A. Tetrault | ▲ Buy | Option Exercise | 4,000 | — | 6/18/2025 |
| Christopher Paul German | ▲ Buy | Option Exercise | 1,069 | $19K | 6/10/2025 |
| Christopher Paul German | ▼ Sell | Open Market | 2,069 | $139K | 6/10/2025 |
| Pamela J. Cramer | ▲ Buy | Option Exercise | 7,031 | $48K | 6/6/2025 |
| Pamela J. Cramer | ▼ Sell | Open Market | 7,031 | $478K | 6/6/2025 |
| David W. J. McGirr | ▲ Buy | Option Exercise | 65,431 | $300K | 6/3/2025 |
| David W. J. McGirr | ▼ Sell | Open Market | 55,558 | $3.6M | 6/3/2025 |
| David W. J. McGirr | ▼ Sell | Open Market | 9,873 | $648K | 6/3/2025 |
| David P. Meeker | ▲ Buy | Option Exercise | 43,620 | $200K | 6/3/2025 |
| David P. Meeker | ▼ Sell | Open Market | 43,346 | $2.8M | 6/3/2025 |
| David P. Meeker | ▼ Sell | Open Market | 274 | $18K | 6/3/2025 |
| Hunter C. Smith | ▲ Buy | Option Exercise | 23,400 | $161K | 5/30/2025 |
| Hunter C. Smith | ▼ Sell | Open Market | 4,407 | $269K | 5/30/2025 |
| Hunter C. Smith | ▼ Sell | Open Market | 18,993 | $1.2M | 5/30/2025 |
| Pamela J. Cramer | ▲ Buy | Option Exercise | 7,031 | $48K | 4/29/2025 |
| Pamela J. Cramer | ▼ Sell | Open Market | 7,031 | $458K | 4/29/2025 |
| Yann Mazabraud | ▼ Sell | Open Market | 6,745 | $439K | 4/29/2025 |
| Yann Mazabraud | ▲ Buy | Option Exercise | 11,405 | — | 4/15/2025 |
| Yann Mazabraud | ▲ Buy | Option Exercise | 10,375 | — | 4/14/2025 |
| Pamela J. Cramer | ▲ Buy | Option Exercise | 14,060 | $96K | 4/8/2025 |
| Pamela J. Cramer | ▲ Buy | Option Exercise | 6,700 | $183K | 4/8/2025 |
| Pamela J. Cramer | ▼ Sell | Open Market | 6,430 | $375K | 4/8/2025 |
| Pamela J. Cramer | ▼ Sell | Open Market | 600 | $35K | 4/8/2025 |
| Pamela J. Cramer | ▼ Sell | Open Market | 6,700 | $402K | 4/8/2025 |
| Pamela J. Cramer | ▼ Sell | Open Market | 7,030 | $436K | 4/8/2025 |
| Yann Mazabraud | ▼ Sell | Open Market | 8,438 | $509K | 4/8/2025 |
| Yann Mazabraud | ▼ Sell | Open Market | 9,312 | $573K | 4/8/2025 |
| Christopher Paul German | ▼ Sell | Open Market | 344 | $19K | 3/21/2025 |
| Christopher Paul German | ▲ Buy | Option Exercise | 1,163 | — | 3/20/2025 |
| Yann Mazabraud | ▲ Buy | Option Exercise | 75,000 | $1.7M | 3/14/2025 |
| Yann Mazabraud | ▼ Sell | Open Market | 19,197 | $975K | 3/14/2025 |
| Yann Mazabraud | ▼ Sell | Open Market | 55,803 | $2.9M | 3/14/2025 |
| Hunter C. Smith | ▼ Sell | Open Market | 2,215 | $127K | 2/19/2025 |
| Joseph Shulman | ▼ Sell | Open Market | 1,228 | $70K | 2/19/2025 |
| David P. Meeker | ▼ Sell | Open Market | 9,896 | $566K | 2/19/2025 |
| Jennifer Kayden Lee | ▼ Sell | Open Market | 2,035 | $116K | 2/19/2025 |
| Christopher Paul German | ▼ Sell | Open Market | 635 | $36K | 2/19/2025 |
| Pamela J. Cramer | ▼ Sell | Open Market | 982 | $56K | 2/19/2025 |
| Hunter C. Smith | ▲ Buy | Option Exercise | 6,600 | — | 2/16/2025 |
| Joseph Shulman | ▲ Buy | Option Exercise | 4,125 | — | 2/16/2025 |
| David P. Meeker | ▲ Buy | Option Exercise | 21,250 | — | 2/16/2025 |
| Yann Mazabraud | ▲ Buy | Option Exercise | 5,500 | — | 2/16/2025 |
| Jennifer Kayden Lee | ▲ Buy | Option Exercise | 5,500 | — | 2/16/2025 |
| Christopher Paul German | ▲ Buy | Option Exercise | 1,807 | — | 2/16/2025 |
| Pamela J. Cramer | ▲ Buy | Option Exercise | 3,300 | — | 2/16/2025 |
| Jennifer Kayden Lee | ▼ Sell | Open Market | 1,205 | $70K | 2/13/2025 |
| Hunter C. Smith | ▼ Sell | Open Market | 739 | $42K | 2/12/2025 |
| Hunter C. Smith | ▼ Sell | Open Market | 12 | $675 | 2/12/2025 |
| Joseph Shulman | ▼ Sell | Open Market | 462 | $26K | 2/12/2025 |
| Joseph Shulman | ▼ Sell | Open Market | 7 | $400 | 2/12/2025 |
| Jennifer Kayden Lee | ▼ Sell | Open Market | 600 | $34K | 2/12/2025 |
| Jennifer Kayden Lee | ▼ Sell | Open Market | 10 | $564 | 2/12/2025 |
| Jennifer Kayden Lee | ▼ Sell | Open Market | 1,205 | $68K | 2/12/2025 |
| Joseph Shulman | ▲ Buy | Option Exercise | 1,562 | — | 2/11/2025 |
| Joseph Shulman | ▼ Sell | Open Market | 791 | $45K | 2/11/2025 |
| Joseph Shulman | ▼ Sell | Open Market | 3 | $173 | 2/11/2025 |
| Jennifer Kayden Lee | ▲ Buy | Option Exercise | 2,031 | — | 2/11/2025 |
| Jennifer Kayden Lee | ▼ Sell | Open Market | 1,023 | $59K | 2/11/2025 |
| Jennifer Kayden Lee | ▼ Sell | Open Market | 4 | $230 | 2/11/2025 |
| Pamela J. Cramer | ▼ Sell | Open Market | 698 | $40K | 2/11/2025 |
| Pamela J. Cramer | ▼ Sell | Open Market | 3 | $173 | 2/11/2025 |
| Hunter C. Smith | ▲ Buy | Option Exercise | 2,343 | — | 2/11/2025 |