# EDGAR Filing Document

**Accession Number:** 0001690585
**File Stem:** 9999999995-26-000432
**Filing Date:** 2026-1
**Character Count:** 1443
**Document Hash:** 54a6754cbc4716add42c4d09948acf8a
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**9999999995-26-000432.hdr.sgml**: 20260202

**ACCESSION NUMBER**: 9999999995-26-000432

**CONFORMED SUBMISSION TYPE**: EFFECT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260130

**DATE AS OF CHANGE**: 20260202

**EFFECTIVENESS DATE**: 20260130

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Dianthus Therapeutics, Inc. /DE/
- **CENTRAL INDEX KEY:** 0001690585
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** EFFECT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-293014
- **FILM NUMBER:** 26585543

**BUSINESS ADDRESS:**
- **STREET 1:** 7 TIMES SQUARE
- **STREET 2:** 43RD FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10036
- **BUSINESS PHONE:** 929-999-4055

**MAIL ADDRESS:**
- **STREET 1:** 7 TIMES SQUARE
- **STREET 2:** 43RD FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10036

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Magenta Therapeutics, Inc.
- **DATE OF NAME CHANGE:** 20161121

### UNITED STATES
### SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## Notice of Effectiveness

**Date:** January 30, 2026

**Time:** 16:00:00

**Form Type:** S-3

---

**CIK:** 0001690585

**Company Name:** Dianthus Therapeutics, Inc. /DE/

**File Number:** 333-293014