RHYTHM PHARMACEUTICALS, INC. insider trading
RYTM$92.45-0.38 (-0.41% today)
“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.”
Insider Trading vs Stock Price
Insider Trading vs Stock Price data
Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (-5.5%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Open market purchase
Open market sellNet dollar flow · Buy / Sell balance
PremiumQ2 '25Q3 '25Q4 '25Q1 '26Q2 '26Q3 '26
Unlock quarterly net flowKey players
- DPDavid P. Meeker0.3475%
- HCHunter C. Smith0.1656%
- YMYann Mazabraud0.0808%
- PJPamela J. Cramer0.0427%
- ETEdward T. Mathers0.0307%
- JSJoseph Shulman0.0231%
- DWDavid W. J. McGirr0.017%
- JLJennifer L. Good0.017%
- SAStuart A. Arbuckle0.017%
- LALynn A. Tetrault0.017%
AI Activity Analysis
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Insider activity
Fromto
| Company | Insider / role | Action | ΔOwn | Avg price | Amount | ||
|---|---|---|---|---|---|---|---|
| RYTM | Alastair Garfield | Open market sell$95.3K | -25.9% | $119.17 | $95.3K | Aug 13, 2026 | Aug 17, 2026 |
| RYTM | Alastair Garfield | Open market sell$402K | -52.4% | $118.28 | $402K | Aug 13, 2026 | Aug 17, 2026 |
| RYTM | Alastair Garfield | Open market sell$182K | -19.3% | $117.08 | $182K | Aug 13, 2026 | Aug 17, 2026 |
| RYTM | Alastair Garfield | Open market sell$233K | -20.0% | $116.11 | $233K | Aug 13, 2026 | Aug 17, 2026 |
| RYTM | Hunter C. Smith | Open market sell$60.4K | -0.5% | $103.28 | $60.4K | Feb 19, 2026 | Feb 19, 2026 |
| RYTM | Hunter C. Smith | Open market sell$81.7K | -0.7% | $102.10 | $81.7K | Feb 19, 2026 | Feb 19, 2026 |
| RYTM | Hunter C. Smith | Open market sell$171K | -1.5% | $100.92 | $171K | Feb 19, 2026 | Feb 19, 2026 |
| RYTM | Hunter C. Smith | Open market sell$131K | -1.1% | $100.27 | $131K | Feb 19, 2026 | Feb 19, 2026 |
| RYTM | Hunter C. Smith | Open market sell$20.8K | -0.2% | $103.84 | $20.8K | Feb 17, 2026 | Feb 19, 2026 |
| RYTM | Hunter C. Smith | Open market sell$110K | -0.9% | $103.00 | $110K | Feb 17, 2026 | Feb 19, 2026 |
| RYTM | Hunter C. Smith | Open market sell$91.5K | -0.8% | $101.70 | $91.5K | Feb 17, 2026 | Feb 19, 2026 |
| RYTM | Hunter C. Smith | Open market sell$20.1K | -0.2% | $100.52 | $20.1K | Feb 17, 2026 | Feb 19, 2026 |
| RYTM | Hunter C. Smith | Open market sell$119K | -1.0% | $99.42 | $119K | Feb 17, 2026 | Feb 19, 2026 |
| RYTM | Hunter C. Smith | Open market sell$10K | -0.1% | $100.10 | $10K | Feb 12, 2026 | Feb 12, 2026 |
| RYTM | Hunter C. Smith | Open market sell$79.2K | -0.7% | $98.99 | $79.2K | Feb 12, 2026 | Feb 12, 2026 |
| RYTM | Hunter C. Smith | Open market sell$39.1K | -0.3% | $97.67 | $39.1K | Feb 12, 2026 | Feb 12, 2026 |
| RYTM | Hunter C. Smith | Open market sell$28.1K | -0.2% | $96.26 | $28.1K | Feb 12, 2026 | Feb 12, 2026 |
| RYTM | Hunter C. Smith | Open market sell$10.1K | -0.1% | $100.85 | $10.1K | Feb 11, 2026 | Feb 12, 2026 |
| RYTM | Hunter C. Smith | Open market sell$39.8K | -0.3% | $99.44 | $39.8K | Feb 11, 2026 | Feb 12, 2026 |
| RYTM | Hunter C. Smith | Open market sell$223K | -1.8% | $98.37 | $223K | Feb 11, 2026 | Feb 12, 2026 |
| RYTM | Hunter C. Smith | Open market sell$10.5K | -0.1% | $104.76 | $10.5K | Feb 10, 2026 | Feb 12, 2026 |
| RYTM | Hunter C. Smith | Open market sell$72.6K | -0.6% | $103.68 | $72.6K | Feb 10, 2026 | Feb 12, 2026 |
| RYTM | Hunter C. Smith | Open market sell$196K | -1.5% | $102.66 | $196K | Feb 10, 2026 | Feb 12, 2026 |
| RYTM | Hunter C. Smith | Open market sell$359K | -2.6% | $106.06 | $359K | Feb 5, 2026 | Feb 6, 2026 |
| RYTM | Hunter C. Smith | Open market sell$80.4K | -0.6% | $107.67 | $80.4K | Feb 4, 2026 | Feb 6, 2026 |
| RYTM | Hunter C. Smith | Open market sell$107K | -0.8% | $106.60 | $107K | Feb 4, 2026 | Feb 6, 2026 |
| RYTM | Hunter C. Smith | Open market sell$157K | -1.1% | $104.74 | $157K | Feb 4, 2026 | Feb 6, 2026 |