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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.

Date Insider Transaction Shares Price Value Owned after
2025-11-14 Randhawa Simrat EVP, Head of R&D Option exercise · Stock Option (Right to Buy) 10b5-1 −37,494 62,506
2025-11-14 Randhawa Simrat EVP, Head of R&D Option exercise · Stock Option (Right to Buy) 10b5-1 −31,250 118,750
2025-11-13 Randhawa Simrat EVP, Head of R&D Option exercise 10b5-1 +83,978 $8.44 $709K 87,978
2025-11-13 Randhawa Simrat EVP, Head of R&D Option exercise 10b5-1 +3,529 $17.88 $63K 91,507
2025-11-13 Randhawa Simrat EVP, Head of R&D Sale 10b5-1 −26,166 $35.80 $937K 65,341
2025-11-13 Randhawa Simrat EVP, Head of R&D Sale 10b5-1 −42,765 $37.04 $1.6M 22,576
2025-11-13 Randhawa Simrat EVP, Head of R&D Sale 10b5-1 −18,576 $37.72 $701K 4,000
2025-11-13 Randhawa Simrat EVP, Head of R&D Option exercise · Stock Option (Right to Buy) 10b5-1 −83,978 11,996
2025-11-13 Randhawa Simrat EVP, Head of R&D Option exercise · Stock Option (Right to Buy) 10b5-1 −3,529 116,471
2025-09-30 Garcia Marino CEO AND PRESIDENT Grant or award · Stock Option (Right to Buy) +120,000 120,000
2025-09-23 Savitz Ryan CFO & CBO Grant or award · Stock Option (Right to Buy) +60,000 60,000
2025-09-23 Randhawa Simrat CHIEF MEDICAL OFFICER Grant or award · Stock Option (Right to Buy) +60,000 60,000
2025-09-09 Savitz Ryan CFO & CBO Option exercise 10b5-1 +20,000 $8.44 $169K 20,000
2025-09-09 Savitz Ryan CFO & CBO Sale 10b5-1 −20,000 $35.00 $700K 0
2025-09-09 Savitz Ryan CFO & CBO Option exercise · Stock Option (Right to Buy) 10b5-1 +20,000 104,766
2025-05-22 Violin Jonathan Director Grant or award · Stock Option (Right to Buy) +12,500 12,500
2025-05-22 Soteropoulos Paula Director Grant or award · Stock Option (Right to Buy) +12,500 12,500
2025-05-22 Romano Steven J. Director Grant or award · Stock Option (Right to Buy) +12,500 12,500
2025-05-22 McGeorge Anne Director Grant or award · Stock Option (Right to Buy) +12,500 12,500
2025-05-22 Lawton Alison Frances Director Grant or award · Stock Option (Right to Buy) +12,500 12,500

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