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CIK 0001690585 · Non-accelerated filer<br>Smaller reporting company

Dianthus Therapeutics, Inc. /DE/

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Ticker
DNTH
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 31
Incorporated
DE
Entity type
operating
Phone
929-999-4055
Business address
7 TIMES SQUARE, 43RD FLOOR, NEW YORK, NY, 10036
Former names
Magenta Therapeutics, Inc.
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$16,043,610
in 4 filings, $16.0M under 10b5-1 plans

Net −$16,043,610. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Savitz Ryan −$11.2M EVP, CFO & CBO sold 100% of stake
  2. Randhawa Simrat −$2.5M EVP, Head of R&D sold 85% of stake
  3. CARR EDWARD −$2.0M CHIEF ACCOUNTING OFFICER sold 100% of stake
  4. Read Simon −$327K Director sold 100% of stake
Date Insider Transaction Shares Price Value Owned after
2026-09-17 CARR EDWARD CHIEF ACCOUNTING OFFICER Option exercise 10b5-1 +20,000 $17.88 $358K 20,000
2026-09-17 CARR EDWARD CHIEF ACCOUNTING OFFICER Sale 10b5-1 −7,928 $100.43 $796K 12,072
2026-09-17 CARR EDWARD CHIEF ACCOUNTING OFFICER Sale 10b5-1 −6,771 $101.37 $686K 5,301
2026-09-17 CARR EDWARD CHIEF ACCOUNTING OFFICER Sale 10b5-1 −3,501 $102.39 $358K 1,800
2026-09-17 CARR EDWARD CHIEF ACCOUNTING OFFICER Sale 10b5-1 −1,100 $103.20 $114K 700
2026-09-17 CARR EDWARD CHIEF ACCOUNTING OFFICER Sale 10b5-1 −700 $104.39 $73K 0
2026-09-17 CARR EDWARD CHIEF ACCOUNTING OFFICER Option exercise · Stock Option (Right to Buy) 10b5-1 −20,000 43,818
2026-03-12 CARR EDWARD CHIEF ACCOUNTING OFFICER Option exercise 10b5-1 +16,182 $17.88 $289K 16,182
2026-03-12 CARR EDWARD CHIEF ACCOUNTING OFFICER Option exercise 10b5-1 +17,500 $22.07 $386K 33,682
2026-03-12 CARR EDWARD CHIEF ACCOUNTING OFFICER Option exercise 10b5-1 +10,000 $21.77 $218K 43,682
2026-03-12 CARR EDWARD CHIEF ACCOUNTING OFFICER Sale 10b5-1 −15,852 $80.71 $1.3M 27,830
2026-03-12 CARR EDWARD CHIEF ACCOUNTING OFFICER Sale 10b5-1 −23,465 $81.75 $1.9M 4,365
2026-03-12 CARR EDWARD CHIEF ACCOUNTING OFFICER Sale 10b5-1 −3,865 $82.66 $319K 500
2026-03-12 CARR EDWARD CHIEF ACCOUNTING OFFICER Sale 10b5-1 −200 $83.38 $17K 300
2026-03-12 CARR EDWARD CHIEF ACCOUNTING OFFICER Sale 10b5-1 −300 $85.53 $26K 0
2026-03-12 CARR EDWARD CHIEF ACCOUNTING OFFICER Option exercise · Stock Option (Right to Buy) 10b5-1 −16,182 63,818
2026-03-12 CARR EDWARD CHIEF ACCOUNTING OFFICER Option exercise · Stock Option (Right to Buy) 10b5-1 −17,500 42,500
2026-03-12 CARR EDWARD CHIEF ACCOUNTING OFFICER Option exercise · Stock Option (Right to Buy) 10b5-1 −10,000 50,000
2026-02-03 CARR EDWARD CHIEF ACCOUNTING OFFICER Grant or award · Stock Option (Right to Buy) +55,000 55,000
2025-02-03 CARR EDWARD CHIEF ACCOUNTING OFFICER Grant or award · Stock Option (Right to Buy) +60,000 60,000

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