CIK 0001649904 · Large accelerated filer
RHYTHM PHARMACEUTICALS, INC.
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- RYTM
- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 462159271
- Phone
- 857-264-4280
- Business address
- 222 BERKELEY STREET, 12TH FLOOR, BOSTON, MA, 02116
- Former names
- RHYTHM METABOLIC, INC.
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $11,753,355
- in 2 filings, $11.8M under 10b5-1 plans
Net −$11,753,355. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-08-31 | Smith Hunter C Chief Financial Officer | Option exercise 10b5-1 | +57,187 | $25.79 | $1.5M | 176,798 |
| 2026-08-31 | Smith Hunter C Chief Financial Officer | Sale 10b5-1 | −23,072 | $104.59 | $2.4M | 153,726 |
| 2026-08-31 | Smith Hunter C Chief Financial Officer | Sale 10b5-1 | −11,514 | $105.37 | $1.2M | 142,212 |
| 2026-08-31 | Smith Hunter C Chief Financial Officer | Sale 10b5-1 | −28,188 | $106.20 | $3.0M | 114,024 |
| 2026-08-31 | Smith Hunter C Chief Financial Officer | Option exercise · Employee Stock Option (Right to Buy) 10b5-1 | −57,187 | 3,813 | ||
| 2026-05-18 | Smith Hunter C Chief Financial Officer | Option exercise | +3,000 | $17.87 | $54K | 119,611 |
| 2026-05-18 | Smith Hunter C Chief Financial Officer | Option exercise · Stock Options (Right to Buy) | −3,000 | 79,000 | ||
| 2026-03-02 | Smith Hunter C Chief Financial Officer | Option exercise | +6,099 | $6.80 | $41K | 116,611 |
| 2026-03-02 | Smith Hunter C Chief Financial Officer | Option exercise · Stock Options (Right to Buy) | −6,099 | 91,401 | ||
| 2026-02-19 | Smith Hunter C Chief Financial Officer | Sale 10b5-1 | −1,308 | $100.27 | $131K | 113,589 |
| 2026-02-19 | Smith Hunter C Chief Financial Officer | Sale 10b5-1 | −1,692 | $100.92 | $171K | 111,897 |
| 2026-02-19 | Smith Hunter C Chief Financial Officer | Sale 10b5-1 | −800 | $102.10 | $82K | 111,097 |
| 2026-02-19 | Smith Hunter C Chief Financial Officer | Sale 10b5-1 | −585 | $103.28 | $60K | 110,512 |
| 2026-02-17 | Smith Hunter C Chief Financial Officer | Sale 10b5-1 | −1,200 | $99.42 | $119K | 117,266 |
| 2026-02-17 | Smith Hunter C Chief Financial Officer | Sale 10b5-1 | −200 | $100.52 | $20K | 117,066 |
| 2026-02-17 | Smith Hunter C Chief Financial Officer | Sale 10b5-1 | −900 | $101.70 | $92K | 116,166 |
| 2026-02-17 | Smith Hunter C Chief Financial Officer | Sale 10b5-1 | −1,069 | $103.00 | $110K | 115,097 |
| 2026-02-17 | Smith Hunter C Chief Financial Officer | Sale 10b5-1 | −200 | $103.84 | $21K | 114,897 |
| 2026-02-12 | Smith Hunter C Chief Financial Officer | Sale 10b5-1 | −292 | $96.26 | $28K | 119,766 |
| 2026-02-12 | Smith Hunter C Chief Financial Officer | Sale 10b5-1 | −400 | $97.67 | $39K | 119,366 |
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