Why is RYTM down?
Down 17% in a year while the S&P 500 rose 12%; up 307% over three years.
- Revenue grew 45.8% a year against its 3 peers' median of 54.7%.
How the business stands, the timeline, and its peers, for Pro members.
RYTM's Quality Score rose 1 point on Mon, Nov 2, to 2.
Follow RYTM's trial news. Pro members can get an alert when Rhythm Pharmaceuticals files news, and see its trials, share raises, and its CEO's filings.
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Down 17% in a year while the S&P 500 rose 12%; up 307% over three years.
How the business stands, the timeline, and its peers, for Pro members.
| Holding it back | A $205M loss |
| Latest filing | 10-Q, Aug 4 |
ReportReports tomorrow, before the open. Every 3 months, a company tells everyone how much it sold and earned. It rose after 2 and fell after 2 of its last 4 reports, +0.5% on average. Past reports ›
Mon Nov 9: Guggenheim 3rd Annual Global…Investor conference · date confirmed.
1 more date ahead: the conference, for Pro members.
After its last 4 reports it closed +0.5% on average, higher 2 of 4 times.
About 12 quarters
CEO David P Meeker sold 50,000 shares on Sep 14, under a planned sale. 11 more insider trades this year.
Decision dates and advisory committee meetings the companies have announced in their filings, soonest first and small companies first.
Below Averagefor quality, not price, 4 of 14 chart checks firingWhat the Quality Score means
RYTM is #96 of 291 by Quality Score.
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Net income over four quarters: RYTM -$205M, TVTX -$43.5M, ARWR -$320M, MIRM -$860M.
Reports Tue Nov 3, before the open (tomorrow). Confirmed.
What an earnings report is: every 3 months, a company tells everyone how much it sold and earned. We read the figures, the outlook, and how the stock moved after.
The figures are not read from the release yet.
“The sequential quarter over quarter growth in U.S. revenue was driven primarily by increased patient demand for IMCIVREE in acquired HO, as well as continued growth in demand in Bardet-Biedl syndrome (BBS).”
RYTM's results filing gives no sales by line in a table we read.
| Measure | Figure |
|---|---|
| Non-GAAP operating expenses | about $363M to $397M |
“The year-over-year increase was primarily due to increased personnel costs, including stock-based compensation, related to expanded business operations.”
From its results filing (SEC filing · Aug 4)
Its share count grew 7.6% a year over 3 years.
| Reported | Gap | Reaction | 5 sessions |
|---|---|---|---|
| Aug 4, 2026 | -2.0% | +2.9% | +12.4% |
| May 5, 2026 | +9.7% | +7.9% | +2.1% |
| Feb 26, 2026 | +4.1% | -1.1% | -8.2% |
Sales grew every year from 2021 to 2025, to $190M. It lost money in each of the five years.
One insider sold $428K across 1 filing in the last 6 months. No open-market buys on record. The newest:
Officers and directors with a Form 4 in the last 12 months.
In ETFs: RYTM is under 0.1% of VTI, the most of the 24 funds Breakaway covers, by their holdings as filed for Jun 30, 2026.
Rhythm Pharmaceuticals Inc is a commercial-stage biopharmaceutical company engaged in the development and commercialization of therapies for patients with rare neuroendocrine diseases. The company is focused on advancing its melanocortin-4 receptor (MC4R) agonists, including its main asset, IMCIVREE (setmelanotide), as a precision medicine designed to treat hyperphagia and severe obesity caused by rare MC4R pathway diseases. In addition, it has two early-stage investigational MC4R agonists in clinical development, RM-718 and bivamelagon, designed not to cause hyperpigmentation. The company is also focused on advancing potential candidates for congenital hyperinsulinism. It currently operates in two business segments: the United States, which generates maximum revenue, and International.
“The biotechnology and pharmaceutical industries are intensely competitive and subject to rapid and significant technological change.”
RYTM scores 2 today, which Breakaway calls Below Average. It is #96 of 291 in Biotech by Quality Score, with 4 of 14 chart checks firing. Down 17% in a year while the S&P 500 rose 12%; up 307% over three years. Cash lasts about 12 quarters at its spending (to Jun 30). Breakaway does not say whether to buy any stock: the score does not know your situation, and it is not a recommendation to buy or sell anything. Please do your own research.
RYTM scores 2 today, which Breakaway calls Below Average (0 to 5). That is #96 of 291 in Biotech by Quality Score. The score adds up the chart checks, the trend, the company's filed sales, its profits, the news, insider trades, and Congress trades. The section above lists the lines behind RYTM's 2.
One insider sold $428K across 1 filing in the last 6 months. No open-market buys on record. The newest is Christopher Paul German, Corporate Controller & CAO, who sold $428K on May 15.
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