Perceptive Advisors Discloses 10.2% Stake in Rhythm Pharmaceuticals

TL;DR

**Perceptive Advisors now owns 10.2% of Rhythm Pharmaceuticals (10M shares)!**

AI Summary

On March 20, 2024, Joseph Edelman and Perceptive Life Sciences Master Fund, Ltd. reported a change in their beneficial ownership of Rhythm Pharmaceuticals, Inc. They now hold 10.2% of the company's common stock, amounting to 10,000,000 shares. This filing indicates a significant stake by these entities in Rhythm Pharmaceuticals.

Why It Matters

This filing signals a substantial investment by Perceptive Advisors, potentially influencing Rhythm Pharmaceuticals' stock performance and strategic decisions.

Risk Assessment

Risk Level: medium — Significant ownership changes can introduce volatility and uncertainty regarding future company actions and stock price.

Key Numbers

• 10.2% — Beneficial Ownership (Percentage of Rhythm Pharmaceuticals' common stock held by the reporting persons.)
• 10,000,000 — Shares Owned (Number of common shares of Rhythm Pharmaceuticals beneficially owned.)

Key Players & Entities

• Joseph Edelman (person) — Reporting person
• Perceptive Life Sciences Master Fund, Ltd. (company) — Reporting entity
• Rhythm Pharmaceuticals, Inc. (company) — Subject company
• Alexander Rakitin (person) — Authorized to receive notices
• Perceptive Advisors LLC (company) — Filing entity

FAQ

Key Financial Figures

• $0.001 — me of Issuer) Common Stock, par value $0.001 per share (Title of Class of Securiti
• $42.68 — ple transactions at prices ranging from $42.68 to $43.57, inclusive. (3) These share
• $43 — ctions at prices ranging from $42.68 to $43.57, inclusive. (3) These shares were
• $39 — ple transactions at prices ranging from $39:95 to $40.94, inclusive. (4) These sh
• $40 — ctions at prices ranging from $39:95 to $40.94, inclusive. (4) These shares were
• $40.98 — ple transactions at prices ranging from $40.98 to $41.96, inclusive. (5) These share
• $41 — ctions at prices ranging from $40.98 to $41.96, inclusive. (5) These shares were
• $40.95 — ple transactions at prices ranging from $40.95 to $41.195, inclusive. (6) These shar
• $41.985 — ple transactions at prices ranging from $41.985 to $42.84, inclusive. (7) These share
• $42 — tions at prices ranging from $41.985 to $42.84, inclusive. (7) These shares were
• $40.91 — ple transactions at prices ranging from $40.91 to $41.89, inclusive. (8) These share
• $41.91 — ple transactions at prices ranging from $41.91 to $42.88, inclusive. (9) These share
• $41.81 — ple transactions at prices ranging from $41.81 to $42.805, inclusive. (10) These sha
• $42.81 — ple transactions at prices ranging from $42.81 to $43.80, inclusive. (11) These shar
• $43.81 — ple transactions at prices ranging from $43.81 to $44.68, inclusive. (12) These shar

Filing Documents

• d813811dsc13d.htm (SC 13D) — 137KB
• d813811dex991.htm (EX-99.1) — 4KB
• 0001193125-24-072901.txt ( ) — 143KB

SIGNATURES

SIGNATURES After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Dated: March 20, 2024 PERCEPTIVE ADVISORS LLC By: /s/ Joseph Edelman Name: Joseph Edelman Title: Managing Member /s/ Joseph Edelman JOSEPH EDELMAN PERCEPTIVE LIFE SCIENCES MASTER FUND, LTD. By: /s/ Joseph Edelman Name: Joseph Edelman Title: Managing Member Schedule A The following sets forth the name, address, principal occupation, citizenship and beneficial ownership of the shares of Common Stock (to the extent not pursuant to Item 5(a)) of each director of the Master Fund (to the extent not set forth in Item 2). Master Fund Name and Citizenship Position Principal Business Address Beneficial Ownership of Shares of Common Stock Scott Dakers (United Kingdom) Director c/o Elian Fiduciary Services (Cayman) Limited 190 Elgin Avenue, George Town Grand Cayman KY1-9007 Cayman Islands None Ernest A. Morrison (United Kingdom) Director Cox Hallett Wilkinson Milner House 18 Parliament Street P.O. Box HM 1561 Hamilton HM FX Bermuda None James Nicholas (United States) Director c/o GenesisPoint LLC 30 Old Kings Highway S Darien, CT 06820 None Schedule B Name Date of Transaction Number of Securities Acquired or Disposed Type of Transaction Price per Security Master Fund 01/12/2024 1,000 Sale of Call Options $ 1.95 Master Fund 01/12/2024 2,808 Purchase of Common Stock $ 43.03(1)(2) Master Fund 01/19/2024 43,576 Purchase of Common Stock $ 40.61(1)(3) Master Fund 01/19/2024 21,424 Purchase of Common Stock $ 41.022(1)(4) Master Fund 01/22/2024 23,429 Purchase of Common Stock $ 41.50(1)(5) Master Fund 01/22/2024 6,830 Purchase of Common Stock $ 42.42(1)(6) Master Fund 01/23/2024 14,158 Purchase of Common Stock $ 41.43(1)(7) Master Fund 01/23/2024 7,870 Purcha

View Full Filing

View this SC 13D filing on SEC EDGAR