M&A - Avidity Partners Management LP

Form Type: SCHEDULE 13D/A

Filing Date: 2025-03-19

Corporate Action: Acquisition

Type: Update

Accession Number: 000091957425002011

Filing Summary: This filing reports an update regarding Avidity Partners Management LP and its affiliated entities concerning their ownership of shares in Dianthus Therapeutics, Inc. The amendment indicates a decrease in the beneficial ownership of Avidity Master Fund LP of more than 1.00% due to the sale of shares. As of the reporting date, the total shares beneficially owned by the Reporting Persons are detailed, including specific numbers for each fund. The document outlines that the Reporting Persons may acquire or dispose of shares of Common Stock, highlighting their ability to change intentions based on market conditions. Past transactions include a significant purchase of Oplink shares in 2023 and details on the merger with OpCo, where the exchange ratio for shares was specified. A registration rights agreement has been established for the resale of shares post-merger. The aggregate number of shares beneficially owned by the Reporting Persons is consistent with earlier filings, and the beneficial ownership limitations on pre-funded warrants are noted. The filing confirms the parties involved and the business address of Avidity Partners Management LP.

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