0000950170-23-048029.txt : 20230913 0000950170-23-048029.hdr.sgml : 20230913 20230913215623 ACCESSION NUMBER: 0000950170-23-048029 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230911 FILED AS OF DATE: 20230913 DATE AS OF CHANGE: 20230913 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Avidity Partners Management LP CENTRAL INDEX KEY: 0001791827 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38541 FILM NUMBER: 231253943 BUSINESS ADDRESS: STREET 1: 2828 N HARWOOD STREET STREET 2: SUITE 1220 CITY: DALLAS STATE: TX ZIP: 75201 BUSINESS PHONE: 214-550-1822 MAIL ADDRESS: STREET 1: 2828 N HARWOOD STREET STREET 2: SUITE 1220 CITY: DALLAS STATE: TX ZIP: 75201 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Meng Lei CENTRAL INDEX KEY: 0001992281 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38541 FILM NUMBER: 231253944 MAIL ADDRESS: STREET 1: 7 TIMES SQUARE STREET 2: 43RD FLOOR CITY: NEW YORK STATE: NY ZIP: 10036 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Dianthus Therapeutics, Inc. /DE/ CENTRAL INDEX KEY: 0001690585 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 300 TECHNOLOGY SQUARE STREET 2: 8TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 BUSINESS PHONE: 857-201-2700 MAIL ADDRESS: STREET 1: 300 TECHNOLOGY SQUARE STREET 2: 8TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 FORMER COMPANY: FORMER CONFORMED NAME: Magenta Therapeutics, Inc. DATE OF NAME CHANGE: 20161121 4 1 ownership.xml 4 X0508 4 2023-09-11 0001690585 Dianthus Therapeutics, Inc. /DE/ DNTH 0001992281 Meng Lei C/O DIANTHUS THERAPEUTICS, INC. 7 TIMES SQUARE, 43RD FLOOR NEW YORK NY 10036 true false false false 0001791827 Avidity Partners Management LP 2828 N HARWOOD STREET, SUITE 1220 DALLAS TX 75201 true false false false false Stock Option (Right to Buy) 11.20 2023-09-11 4 A false 6500 0 A 2033-09-10 Common Stock 6500 6500 I See footnote This option represents a right to purchase a total of 6,500 shares of the Issuer's common stock, which will vest in full on the date that is the earlier of (i) the Issuer's 2024 Annual Meeting of Stockholders and (ii) September 11, 2024, subject to the Reporting Person's continued service to the Issuer. Under Ms. Meng's arrangement with Avidity Partners Management LP (the "Avidity"), Ms. Meng holds the option for the benefit of clients of Avidity. Ms. Meng is obligated to turn over to the Avidity any net cash or stock received from the option for the benefit of Avidity. Ms. Meng therefore disclaims beneficial ownership of the option and underlying common stock. The reported shares may be deemed to beneficially owned by (i) Avidity Partners Management LP, (ii) Avidity Partners Management (GP) LLC, the general partner of Avidity Partners Management LP and (iii) each of David Witzke and Michael Gregory, the managing members of Avidity Partners Management (GP) LLC. Under Ms. Meng's arrangement with Avidity Partners Management LP (the "Avidity"), Ms. Meng holds the option for the benefit of clients of Avidity. Ms. Meng is obligated to turn over to the Avidity any net cash or stock received from the option for the benefit of Avidity. Ms. Meng therefore disclaims beneficial ownership of the option and underlying common stock. The reported shares may be deemed to beneficially owned by (i) Avidity Partners Management LP, (ii) Avidity Partners Management (GP) LLC, the general partner of Avidity Partners Management LP and (iii) each of David Witzke and Michael Gregory, the managing members of Avidity Partners Management (GP) LLC. As of the date hereof, Avidity Partners Management (GP) LLC, David Witzke and Michael Gregory have not yet received the applicable EDGAR codes required to make filings with the Securities and Exchange Commission; however, such Reporting Persons have applied for the applicable codes and will supplement this Form 4 once such codes are available. MENG LEI, /s/ Adam Veness, as attorney-in-fact for Lei Meng 2023-09-13 AVIDITY PARTNERS MANAGEMENT LP, By: Avidity Partners Management (GP) LLC, its general partner, /s/ David Witzke Managing Member, /s/ Michael Gregory Managing Member 2023-09-13 AVIDITY PARTNERS MANAGEMENT (GP) LLC, /s/ David Witzke Managing Member, /s/ Michael Gregory Managing Member 2023-09-13 DAVID WITZKE, /s/ David Witzke 2023-09-13 MICHAEL GREGORY, /s/ Michael Gregory 2023-09-13