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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
2026-09-01 Randhawa Simrat EVP, Head of R&D Option exercise 10b5-1 +7,500 $17.88 $134K 11,500
2026-09-01 Randhawa Simrat EVP, Head of R&D Option exercise 10b5-1 +6,249 $21.77 $136K 17,749
2026-09-01 Randhawa Simrat EVP, Head of R&D Option exercise 10b5-1 +9,375 $22.07 $207K 27,124
2026-09-01 Randhawa Simrat EVP, Head of R&D Sale 10b5-1 −2,600 $105.19 $273K 24,524
2026-09-01 Randhawa Simrat EVP, Head of R&D Sale 10b5-1 −7,215 $106.25 $767K 17,309
2026-09-01 Randhawa Simrat EVP, Head of R&D Sale 10b5-1 −13,309 $106.74 $1.4M 4,000
2026-09-01 Randhawa Simrat EVP, Head of R&D Option exercise · Stock Option (Right to Buy) 10b5-1 −7,500 56,776
2026-09-01 Randhawa Simrat EVP, Head of R&D Option exercise · Stock Option (Right to Buy) 10b5-1 −6,249 41,676
2026-09-01 Randhawa Simrat EVP, Head of R&D Option exercise · Stock Option (Right to Buy) 10b5-1 −9,375 87,500
2026-06-01 Randhawa Simrat EVP, Head of R&D Option exercise 10b5-1 +3,998 $8.44 $34K 7,998
2026-06-01 Randhawa Simrat EVP, Head of R&D Option exercise 10b5-1 +6,908 $17.88 $124K 14,906
2026-06-01 Randhawa Simrat EVP, Head of R&D Option exercise 10b5-1 +6,249 $21.77 $136K 21,155
2026-06-01 Randhawa Simrat EVP, Head of R&D Option exercise 10b5-1 +9,375 $22.07 $207K 30,530
2026-06-01 Randhawa Simrat EVP, Head of R&D Sale 10b5-1 −5,428 $89.72 $487K 25,102
2026-06-01 Randhawa Simrat EVP, Head of R&D Sale 10b5-1 −16,943 $90.72 $1.5M 8,159
2026-06-01 Randhawa Simrat EVP, Head of R&D Sale 10b5-1 −4,159 $91.37 $380K 4,000
2026-06-01 Randhawa Simrat EVP, Head of R&D Option exercise · Stock Option (Right to Buy) 10b5-1 −3,998 0
2026-06-01 Randhawa Simrat EVP, Head of R&D Option exercise · Stock Option (Right to Buy) 10b5-1 −6,908 64,276
2026-06-01 Randhawa Simrat EVP, Head of R&D Option exercise · Stock Option (Right to Buy) 10b5-1 −6,249 47,925
2026-06-01 Randhawa Simrat EVP, Head of R&D Option exercise · Stock Option (Right to Buy) 10b5-1 −9,375 96,875

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