Adam M. Veness - 17 Jun 2026 Form 4 Insider Report for Dianthus Therapeutics, Inc. /DE/ (DNTH)

Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
18 Jun 2026, 16:30:09 UTC
Prior SEC filing
04 Feb 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Adam Veness

Key filing fact

Adam M. Veness filed Form 4 for Dianthus Therapeutics, Inc. /DE/ (DNTH) on 18 Jun 2026.

Key facts

  • This page summarizes Adam M. Veness's Form 4 filing for Dianthus Therapeutics, Inc. /DE/ (DNTH).
  • 4 reported transactions and 1 derivative row are listed below.
  • Accepted by SEC: 18 Jun 2026, 16:30.

Change

  • Previous filing in this sequence was filed on 04 Feb 2026.
  • Current net transaction value: -$2,423,958.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001778623 Primary reporting owner

Veness Adam M

Relationship
SVP, General Counsel and Sec.
Address
C/O DIANTHUS THERAPEUTICS, INC., 7 TIMES SQUARE, 43RD FLOOR, NEW YORK
Signature
/s/ Adam Veness
Signature date
18 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

DNTH transaction

Common Stock

Options Exercise

Transaction value
Shares
+30,000
Change %
Price
$17.88*
Shares after
30,000
Date
17 Jun 2026
Ownership
Direct
Footnotes
F1
DNTH transaction

Common Stock

Sale

Transaction value
$1,347,382
Shares
-16,771
Change %
-56%
Price
$80.34
Shares after
13,229
Date
17 Jun 2026
Ownership
Direct
Footnotes
F1, F2
DNTH transaction

Common Stock

Sale

Transaction value
$1,076,576
Shares
-13,229
Change %
-100%
Price
$81.38
Shares after
0
Date
17 Jun 2026
Ownership
Direct
Footnotes
F1, F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

DNTH transaction Derivative

Stock Option (Right to Buy)

Options Exercise

Transaction value
Shares
-30,000
Change %
-27%
Price
$0.000000*
Shares after
80,000
Date
17 Jun 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
30,000
Exercise price
$17.88
Footnotes
F1, F4
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 4 footnotes

Footnote F1

The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 18, 2026.

Footnote F2

The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $80.00 to $80.99, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range.

Footnote F3

The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $81.00 to $81.80, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range.

Footnote F4

The shares of common stock underlying this stock option award vest in equal monthly installments over the four years after January 1, 2024, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

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