secwatch.observer — SEC 8-K summary
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Issuer:     RHYTHM PHARMACEUTICALS, INC. (RYTM)
CIK:        0001649904
Form:       8-K
Filed at:   2026-04-03T23:59:59+00:00
Accession:  0001628280-26-023606
Event type: leadership
Sentiment:  neutral
Materiality: 0.20
Item codes: 5.02, 7.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Rhythm Pharmaceuticals appoints Kim Popovits to Board; Ed Mathers resigns
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- Kimberly J. Popovits elected as Class II director effective April 1, 2026 until 2028 annual meeting.
- Edward T. Mathers resigned from Board same date; no disagreement with company cited.
- Popovits is former Chairman/CEO of Genomic Health with >40 years life sciences experience.
- Mathers served on Board since 2013; thanked for his strategic perspective and stewardship.
- Popovits will receive standard non-employee director compensation per Company's policy.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1649904/000162828026023606/0001628280-26-023606-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1649904/000162828026023606/rytm-20260401.htm
  HTML page:      https://secwatch.observer/filing/0001628280-26-023606

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer