RYTM insider buying and SEC filings, explained
Rhythm Pharmaceuticals, Inc. · CIK 1649904
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- Nasdaq
- Industry (SIC)
- Pharmaceutical Preparations
- State of incorporation
- DE
- Fiscal year end
- Dec 31
- Former names
- RHYTHM METABOLIC, INC.
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$503K
Planned sales (10b5-1)
$38.8M
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Sep 14, 2026 | Planned (10b5-1) | David P Meeker (CEO and Director) sold 50,000 shares at about $102.67 ($5.1M), marked as a 10b5-1 plan trade. Holdings down 17% to 239,258 shares. | SEC filing Filed Sep 14, 2026 |
| Aug 31, 2026 | Planned (10b5-1) | Hunter C Smith (CFO) sold 62,774 shares at about $105.46 ($6.6M), marked as a 10b5-1 plan trade. Holdings down 36% to 114,024 shares. | SEC filing Filed Sep 1, 2026 |
| Aug 13, 2026 | Planned (10b5-1) | Joseph Shulman (Chief Technical Officer) sold 5,079 shares at $119.75 ($608K), marked as a 10b5-1 plan trade. Holdings down 24% to 15,915 shares. | SEC filing Filed Aug 17, 2026 |
| Aug 13, 2026 | Planned (10b5-1) | Alastair Garfield (Chief Scientific Officer) sold 7,763 shares at about $117.57 ($913K), marked as a 10b5-1 plan trade. Holdings down 77% to 2,295 shares. | SEC filing Filed Aug 17, 2026 |
| Aug 13, 2026 | Planned (10b5-1) | Jennifer Kayden Lee (EVP, Head of North America) sold 75,834 shares at $117.38 ($8.9M), marked as a 10b5-1 plan trade. Holdings down 100% to 0 shares. | SEC filing Filed Aug 14, 2026 |
| Aug 12, 2026 | Planned (10b5-1) | Yann Mazabraud (EVP, Head of International) sold 57,000 shares at about $116.15 ($6.6M), marked as a 10b5-1 plan trade. Holdings down 51% to 55,655 shares. | SEC filing Filed Aug 14, 2026 |
| Jun 22, 2026 | Planned (10b5-1) | Lynn A. Tetrault (Director) sold 37,000 shares at about $100.32 ($3.7M), marked as a 10b5-1 plan trade. Holdings down 84% to 7,000 shares. | SEC filing Filed Jun 24, 2026 |
| Mar 4, 2026 | Sale | Christopher Paul German (Corporate Controller & CAO) sold 5,614 shares at $89.56 ($503K). Holdings down 97% to 160 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 6, 2026 |
| Feb 17–19, 2026 | Planned (10b5-1) | Hunter C Smith (CFO) sold 7,954 shares between Feb 17 and Feb 19 at about $101.31 ($806K), marked as a 10b5-1 plan trade. Holdings down 7% to 110,512 shares. | SEC filing Filed Feb 19, 2026 |
| Feb 10–12, 2026 | Planned (10b5-1) | Hunter C Smith (CFO) sold 7,071 shares between Feb 10 and Feb 12 at about $100.21 ($709K), marked as a 10b5-1 plan trade. Holdings down 6% to 118,466 shares. | SEC filing Filed Feb 12, 2026 |
| Feb 4–5, 2026 | Planned (10b5-1) | Hunter C Smith (CFO) sold 6,628 shares between Feb 4 and Feb 5 at about $106.02 ($703K), marked as a 10b5-1 plan trade. Holdings down 5% to 125,537 shares. | SEC filing Filed Feb 6, 2026 |
| Dec 11, 2025 | Planned (10b5-1) | Pamela J. Cramer (Chief Human Resources Officer) sold 3,350 shares at $111.00 ($372K), marked as a 10b5-1 plan trade. Holdings down 14% to 20,814 shares. | SEC filing Filed Dec 15, 2025 |
| Nov 20, 2025 | Planned (10b5-1) | Pamela J. Cramer (Chief Human Resources Officer) sold 3,350 shares at $105.00 ($352K), marked as a 10b5-1 plan trade. Holdings down 14% to 20,814 shares. | SEC filing Filed Nov 24, 2025 |
| Nov 7–10, 2025 | Planned (10b5-1) | Pamela J. Cramer (Chief Human Resources Officer) sold 22,866 shares between Nov 7, 2025 and Nov 10, 2025 at about $99.00 ($2.3M), marked as a 10b5-1 plan trade. Holdings down 52% to 20,814 shares. | SEC filing Filed Nov 12, 2025 |
| Oct 30, 2025 | Planned (10b5-1) | Joseph Shulman (Chief Technical Officer) sold 9,748 shares at about $115.24 ($1.1M), marked as a 10b5-1 plan trade. Holdings down 53% to 8,509 shares. | SEC filing Filed Nov 3, 2025 |
45 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
| Filed | Items | Tag | Source |
|---|---|---|---|
| Nov 3, 2026, 8:10 AM ET 8-K | Earnings released (Item 2.02) | SEC filing |
Red flags are objective triggers only: the item or form filed, never an opinion.
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