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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
2026-08-19 Read Simon Director Option exercise 10b5-1 +2,778 $18.36 $51K 2,778
2026-08-19 Read Simon Director Sale 10b5-1 −2,778 $117.55 $327K 0
2026-08-19 Read Simon Director Option exercise · Stock Option (Right to Buy) 10b5-1 −2,778 19,445
2026-08-10 Read Simon Director Option exercise 10b5-1 +2,777 $18.36 $51K 2,777
2026-08-10 Read Simon Director Sale 10b5-1 −70 $107.11 $7K 2,707
2026-08-10 Read Simon Director Sale 10b5-1 −737 $108.17 $80K 1,970
2026-08-10 Read Simon Director Sale 10b5-1 −831 $108.95 $91K 1,139
2026-08-10 Read Simon Director Sale 10b5-1 −272 $109.96 $30K 867
2026-08-10 Read Simon Director Sale 10b5-1 −470 $111.05 $52K 397
2026-08-10 Read Simon Director Sale 10b5-1 −397 $111.77 $44K 0
2026-08-10 Read Simon Director Option exercise · Stock Option (Right to Buy) 10b5-1 −2,777 22,223
2026-05-21 Read Simon Director Grant or award · Stock Option (Right to Buy) +6,090 6,090
2025-05-22 Read Simon Director Grant or award · Stock Option (Right to Buy) +25,000 25,000

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