StockCIK 1649904
RHYTHM PHARMACEUTICALS, INC. (RYTM): Insider Trades and Fund Holdings
In the past 12 months, RHYTHM PHARMACEUTICALS, INC. insiders reported 0 open-market purchases worth $0 and 6 sales worth $28.8M; 6 of the sales were reported as made under a 10b5-1 trading plan.
0Insider buys, 12 months
$0Bought by insiders, 12 months
$28.8MSold by insiders, 12 months
2Tracked funds holding
Recent insider trades
Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Sep 14, 2026.
| Filed | Insider | Type | Value |
|---|---|---|---|
| Sep 14 | David P. MeekerCEO | ▼ SELL10b5-1 | $5.13M |
| Sep 1 | Hunter C. SmithCFO | ▼ SELL10b5-1 | $6.62M |
| Aug 17 | Alastair GarfieldChief Scientific Officer | ▼ SELL10b5-1 | $913K |
| Aug 17 | Joseph ShulmanChief Technical Officer | ▼ SELL10b5-1 | $608K |
| Aug 14 | Jennifer Kayden LeeEVP | ▼ SELL10b5-1 | $8.90M |
| Aug 14 | Yann MazabraudEVP | ▼ SELL10b5-1 | $6.62M |
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings
Insiders who traded in the past year
| Insider | Role | Buys | Bought | Sells | Sold |
|---|---|---|---|---|---|
| David P. Meeker | CEO | 0 | $0 | 1 | $5.13M |
| Hunter C. Smith | CFO | 0 | $0 | 1 | $6.62M |
| Alastair Garfield | Chief Scientific Officer | 0 | $0 | 1 | $913K |
| Joseph Shulman | Chief Technical Officer | 0 | $0 | 1 | $608K |
| Jennifer Kayden Lee | EVP | 0 | $0 | 1 | $8.90M |
| Yann Mazabraud | EVP | 0 | $0 | 1 | $6.62M |
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Tracked funds that report RYTM
From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.
| Fund | Shares | Value | Change |
|---|---|---|---|
| Renaissance Technologies | 68,281 | $7.58M | ▼ −73.5% |
| Duquesne Family Office | 203,618 | $23K | ▲ New |
Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings
Reading these numbers
Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →