RYTM
RHYTHM PHARMACEUTICALS, INC. · Healthcare · Market cap $6.3B
Insiders sold $32.5M net in the last 90 days ·7 sellers, 0 buyers· 7 of 7 sales under Rule 10b5-1 plans· latest Form 4 filed Sep 14, 2026
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$40.1M
reported sales (SEC code S)
Unique Insiders
9
in the rolling window
Latest filing
Sep 14, 2026
Meeker David P
RHYTHM PHARMACEUTICALS, INC. (RYTM) has 38 SEC Form 4 filings (101 transaction rows) in the rolling window, disclosed by 9 distinct insiders. Most recent filing: Sep 14, 2026.
Inside the rolling window, 9 insiders at RHYTHM PHARMACEUTICALS, INC. reported no open-market purchases and 22 open-market sales totaling $40.1M. The most active filer is Chief Financial Officer Smith Hunter C with 8 filings. Insiders have net sold $32.9M over the trailing 6 months. The most recent open-market filing is a sale of 50,000 shares by President and CEO Meeker David P, dated Sep 14, 2026, worth $5.1M.
- Industry:Biotechnology
- CEO:David Meeker
- Employees:414
- HQ:Boston, MA, US
- IPO:2017-10-09
| Source | |||||||
|---|---|---|---|---|---|---|---|
Meeker David PFirst filing | President and CEO | Sale | 50,000 | $5.1M | Sep 14 | -11.3% | SEC ↗ |
Smith Hunter CFirst in 6 months | Chief Financial Officer | Sale | 62,774 | $6.6M | Sep 1 | -13.2% | SEC ↗ |
Garfield AlastairFirst filing | Chief Scientific Officer | Sale | 7,763 | $913K | Aug 17 | -21.3% | SEC ↗ |
Shulman JosephFirst in 10 months | Chief Technical Officer | Sale | 5,079 | $608K | Aug 17 | — | SEC ↗ |
Lee Jennifer KaydenFirst filing | EVP, Head of North America | Sale | 75,834 | $8.9M | Aug 14 | — | SEC ↗ |
Mazabraud YannFirst filing | EVP, Head of International | Sale | 57,000 | $6.6M | Aug 14 | — | SEC ↗ |
| Director | Sale | 37,000 | $3.7M | Jun 24 | — | SEC ↗ | |
| Corporate Controller & CAO | Sale | 4,643 | $428K | May 19 | — | SEC ↗ | |
German Christopher PaulFirst filing | Corporate Controller & CAO | Sale | 5,614 | $503K | Mar 6 | — | SEC ↗ |
| Chief Financial Officer | Sale | 3,569 | $362K | Feb 19 | — | SEC ↗ | |
| Chief Financial Officer | Sale | 4,385 | $444K | Feb 19 | — | SEC ↗ | |
| Chief Financial Officer | Sale | 2,713 | $279K | Feb 12 | — | SEC ↗ | |
| Chief Financial Officer | Sale | 2,766 | $273K | Feb 12 | — | SEC ↗ | |
| Chief Financial Officer | Sale | 1,592 | $156K | Feb 12 | — | SEC ↗ | |
Smith Hunter CFirst filing | Chief Financial Officer | Sale | 3,247 | $344K | Feb 6 | — | SEC ↗ |
Smith Hunter CFirst filing | Chief Financial Officer | Sale | 3,381 | $359K | Feb 6 | — | SEC ↗ |
| Chief Human Resources Officer | Sale | 3,350 | $372K | Dec 15 | — | SEC ↗ | |
| Chief Human Resources Officer | Sale | 3,350 | $352K | Nov 24 | — | SEC ↗ | |
Cramer Pamela J.First filing | Chief Human Resources Officer | Sale | 19,351 | $1.9M | Nov 12 | — | SEC ↗ |
Cramer Pamela J.First filing | Chief Human Resources Officer | Sale | 3,515 | $352K | Nov 12 | — | SEC ↗ |
| Chief Technical Officer | Sale | 9,748 | $1.1M | Nov 3 | — | SEC ↗ | |
Shulman JosephFirst filing | Chief Technical Officer | Sale | 2,815 | $324K | Oct 30 | — | SEC ↗ |
Earnings: last 7 quarters
Frequently asked questions
How many SEC Form 4 insider filings does RYTM have?
RHYTHM PHARMACEUTICALS, INC. (RYTM) has 38 SEC Form 4 filings (101 transaction rows) in the rolling 365-day window, disclosed by 9 distinct insiders. Most recent filing: Sep 14, 2026.
When was the most recent SEC Form 4 filing for RYTM?
The most recent Form 4 filing for RYTM on Tracefour is dated Sep 14, 2026.
Who is the most active insider at RYTM?
The most active SEC Form 4 filer at RYTM in the rolling window is Chief Financial Officer Smith Hunter C, with 8 filings.
What is the net insider flow at RYTM over the last 6 months?
Over the trailing 180 days, insiders at RYTM have net sold $32.9M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at RYTM in the current window?
Inside the rolling window, insiders at RYTM bought $0 and sold $40.1M based on SEC Form 4 filings.
Can I get alerts for RYTM insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at RHYTHM PHARMACEUTICALS, INC. (RYTM). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
RHYTHM PHARMACEUTICALS, INC. is in the Healthcare sector.