RHYTHM PHARMACEUTICALS, INC. Subsidiaries
Every subsidiary the company listed in Exhibit 21 of its annual reports, newest list first (6 lists). Names and jurisdictions are as filed.
- 2026-02-26: Subsidiary Entity; Jurisdiction Jurisdiction of Organization or Incorporation.
- 2026-02-26: Subsidiary Rhythm Securities Corp.; Jurisdiction Massachusetts.
- 2026-02-26: Subsidiary Rhythm Pharmaceuticals Canada Inc.; Jurisdiction Canada.
- 2026-02-26: Subsidiary Rhythm Pharmaceuticals France SAS; Jurisdiction France.
| Annual report filed | Subsidiary | Jurisdiction |
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| 2026-02-26 | Entity | Jurisdiction of Organization or Incorporation |
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| 2026-02-26 | Rhythm Securities Corp. | Massachusetts |
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| 2026-02-26 | Rhythm Pharmaceuticals Canada Inc. | Canada |
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| 2026-02-26 | Rhythm Pharmaceuticals France SAS | France |
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| 2026-02-26 | Rhythm Pharmaceuticals Germany GmbH | Germany |
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| 2026-02-26 | Rhythm Pharmaceuticals Italy S.r.l. | Italy |
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| 2026-02-26 | Rhythm Pharma K.K. | Japan |
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| 2026-02-26 | Rhythm Pharmaceuticals Spain, SL | Spain |
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| 2026-02-26 | Rhythm Pharmaceuticals Switzerland GmbH | Switzerland |
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| 2026-02-26 | Rhythm Pharmaceuticals Netherlands B.V. | The Netherlands |
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| 2026-02-26 | Xinvento B.V. | The Netherlands |
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| 2026-02-26 | Rhythm Pharmaceuticals UK Limited | United Kingdom |
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| 2025-02-28 | Entity | Jurisdiction of Organization or Incorporation |
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| 2025-02-28 | Rhythm Pharmaceuticals Limited | Ireland |
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| 2025-02-28 | Rhythm Securities Corp. | Massachusetts |
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| 2025-02-28 | Rhythm Pharmaceuticals Netherlands, B.V. | The Netherlands |
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| 2025-02-28 | Rhythm Pharmaceuticals Germany GmbH | Germany |
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| 2025-02-28 | Xinvento, B.V. | The Netherlands |
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| 2025-02-28 | Rhythm Pharmaceuticals Spain S.L. Rhythm Pharmaceuticals Japan K.K. | Spain Japan |
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| 2024-02-29 | Entity | Jurisdiction of Organization or Incorporation |
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| 2024-02-29 | Rhythm Pharmaceuticals Limited | Ireland |
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| 2024-02-29 | Rhythm Securities Corp. | Massachusetts |
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| 2024-02-29 | Rhythm Pharmaceuticals Netherlands, B.V. | The Netherlands |
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| 2024-02-29 | Rhythm Pharmaceuticals Germany GmbH | Germany |
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| 2024-02-29 | Xinvento, B.V. | The Netherlands |
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| 2024-02-29 | Rhythm Pharmaceuticals Spain S.L. | Spain |
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| 2023-03-01 | Entity | Jurisdiction of Organization or Incorporation |
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| 2023-03-01 | Rhythm Pharmaceuticals Limited | Ireland |
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| 2023-03-01 | Rhythm Securities Corp. | Massachusetts |
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| 2023-03-01 | Rhythm Pharmaceuticals Netherlands, B.V. | The Netherlands |
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| 2023-03-01 | Rhythm Pharmaceuticals Germany GmbH | Germany |
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| 2023-03-01 | Rhythm Pharmaceuticals Spain S.L. | Spain |
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| 2022-03-01 | Entity | Jurisdiction of Organization or Incorporation |
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| 2022-03-01 | Rhythm Pharmaceuticals Limited | Ireland |
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| 2022-03-01 | Rhythm Securities Corp. | Massachusetts |
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| 2022-03-01 | Rhythm Pharmaceuticals Netherlands, B.V. | The Netherlands |
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| 2021-03-01 | Entity | Jurisdiction of Organization or Incorporation |
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| 2021-03-01 | Rhythm Pharmaceuticals Limited | Ireland |
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| 2021-03-01 | Rhythm Securities Corp. | Massachusetts |
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