0001104659-23-104808.txt : 20230928
0001104659-23-104808.hdr.sgml : 20230928
20230928170920
ACCESSION NUMBER: 0001104659-23-104808
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20230926
FILED AS OF DATE: 20230928
DATE AS OF CHANGE: 20230928
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Harwin Peter Evan
CENTRAL INDEX KEY: 0001663607
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38541
FILM NUMBER: 231290729
MAIL ADDRESS:
STREET 1: 2001 MARKET STREET
STREET 2: SUITE 2500
CITY: PHILADELPHIA
STATE: PA
ZIP: 19103
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Kiselak Tomas
CENTRAL INDEX KEY: 0001830177
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38541
FILM NUMBER: 231290730
MAIL ADDRESS:
STREET 1: 2001 MARKET STREET, SUITE 2500
CITY: PHILADELPHIA
STATE: PA
ZIP: 19103
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Fairmount Funds Management LLC
CENTRAL INDEX KEY: 0001802528
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38541
FILM NUMBER: 231290731
BUSINESS ADDRESS:
STREET 1: 200 BARR HARBOR DRIVE
STREET 2: SUITE 400
CITY: WEST CONSHOHOCKEN
STATE: PA
ZIP: 19428
BUSINESS PHONE: 267-262-5300
MAIL ADDRESS:
STREET 1: 200 BARR HARBOR DRIVE
STREET 2: SUITE 400
CITY: WEST CONSHOHOCKEN
STATE: PA
ZIP: 19428
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
tm2327182-1_4seq1.xml
OWNERSHIP DOCUMENT
X0508
4
2023-09-26
0
0001690585
Dianthus Therapeutics, Inc. /DE/
DNTH
0001802528
Fairmount Funds Management LLC
200 BARR HARBOR DRIVE, SUITE 400
WEST CONSHOHOCKEN
PA
19428
1
0
1
0
0001830177
Kiselak Tomas
200 BARR HARBOR DRIVE, SUITE 400
WEST CONSHOHOCKEN
PA
19428
1
0
1
0
0001663607
Harwin Peter Evan
200 BARR HARBOR DRIVE, SUITE 400
WEST CONSHOHOCKEN
PA
19428
1
0
1
0
0
Common Stock
2023-09-26
4
P
0
30000
13.15
A
1903833
I
See footnote
Consists of 30,000 shares of common stock purchased by Fairmount Healthcare Fund II LP ("Fund II").
Consists of (i) 58,857 shares of common stock held of record by Fairmount Healthcare Fund LP ("Fund I"), (ii) 1,782,830 shares of common stock held of record by Fund II and (iii) 62,146 shares of common stock held of record by Fairmount SPV III, LLC. Fairmount Funds Management LLC ("Fairmount") is the investment manager for Fund I and Fund II and is the Class A Member for Fairmount SPV III, LLC. The general partner of Fairmount is Fairmount Funds Management GP LLC ("Fairmount GP"), of which Peter Harwin and Tomas Kiselak are the managing members. Fairmount, Fairmount GP, Mr. Harwin, and Mr. Kiselak disclaim beneficial ownership of any of the reported securities, except to the extent of their pecuniary interest therein.
Fairmount, Fund I, Fund II and Fairmount SPV III, LLC may each be deemed a director by deputization of the Issuer by virtue of the fact that Tomas Kiselak serves on the board of directors of the Issuer and is a Managing Member of Fairmount.
/s/ Tomas Kiselak, Managing Member of Fairmount Funds Management LLC
2023-09-28
/s/ Tomas Kiselak
2023-09-28
/s/ Peter Harwin
2023-09-28