---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-24-078941"
form_type: "8-K"
ticker: "RYTM"
cik: "0001649904"
company_name: "RHYTHM PHARMACEUTICALS, INC."
filed_at: "2024-07-10T23:59:59+00:00"
generated_at: "2026-05-31T22:09:13.409223+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Rhythm Pharmaceuticals files prospectus for resale of 3.1M shares by selling stockholders

## Summary
- Registration covers up to 3,124,995 common shares held by certain stockholders to satisfy registration rights.
- Shares issuable upon conversion of Series A Convertible Preferred Stock sold on April 15, 2024 for $150M.
- Legal opinion of Latham & Watkins filed as Exhibit 5.1 and incorporated into S-3ASR registration statement.

## SEC filing metadata
- accession: 0001104659-24-078941
- form_type: 8-K
- ticker: RYTM
- cik: 0001649904
- company_name: RHYTHM PHARMACEUTICALS, INC.
- filed_at: 2024-07-10T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1649904/000110465924078941/0001104659-24-078941-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1649904/000110465924078941/tm2418975d2_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-24-078941
- JSON: https://secwatch.observer/filing/0001104659-24-078941.json
- Plain text: https://secwatch.observer/filing/0001104659-24-078941.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.