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DNTH Insider Trading & Form 4 Activity

Dianthus Therapeutics, Inc. /DE/
Last filing: Sep 18, 2026·1mo ago· Data may be outdated
NEUTRAL · LAST 90 DAYS
0%
buyers
$0
0 buys
$0
0 sells
$0
net buying
0
insiders
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Net flow — last 12 months

Monthly net of insider buys minus sells. Green months indicate net buying; red months indicate net selling.

Most active insiders

Ranked by total transaction value over the last 90 days.

INSIDERBOUGHTSOLDNET
Garcia Marino
CEO AND PRESIDENT
—
$17.9M
-$17.9M
Randhawa Simrat
EVP, Head of R&D
—
$2.5M
-$2.5M
Veness Adam M
SVP, General Counsel and Sec.
—
$2.2M
-$2.2M
Carr Edward
CHIEF ACCOUNTING OFFICER
—
$2.0M
-$2.0M
Mcgeorge Anne
Director
—
$845K
-$845K
Read Simon
Director
—
$631K
-$631K

Recent transactions

Every Form 4 transaction for DNTH, newest first.

EXERCISE10b5-1
Carr Edward · CHIEF ACCOUNTING OFFICER
Tx Sep 17·Filed Sep 18·EDGAR ↗
20,000 sh @ $17.88
$358K
SELL10b5-1
Carr Edward · CHIEF ACCOUNTING OFFICER
Tx Sep 17·Filed Sep 18·EDGAR ↗
700 sh @ $104.39
$73K
SELL10b5-1
Carr Edward · CHIEF ACCOUNTING OFFICER
Tx Sep 17·Filed Sep 18·EDGAR ↗
1,100 sh @ $103.20
$114K
SELL10b5-1
Carr Edward · CHIEF ACCOUNTING OFFICER
Tx Sep 17·Filed Sep 18·EDGAR ↗
3,501 sh @ $102.39
$358K
SELL10b5-1
Carr Edward · CHIEF ACCOUNTING OFFICER
Tx Sep 17·Filed Sep 18·EDGAR ↗
6,771 sh @ $101.37
$686K
SELL10b5-1
Carr Edward · CHIEF ACCOUNTING OFFICER
Tx Sep 17·Filed Sep 18·EDGAR ↗
7,928 sh @ $100.43
$796K
EXERCISE10b5-1
Randhawa Simrat · EVP, Head of R&D
Tx Sep 1·Filed Sep 3·EDGAR ↗
6,249 sh @ $21.77
$136K
SELL10b5-1
Randhawa Simrat · EVP, Head of R&D
Tx Sep 1·Filed Sep 3·EDGAR ↗
13,309 sh @ $106.74
$1.4M
SELL10b5-1
Randhawa Simrat · EVP, Head of R&D
Tx Sep 1·Filed Sep 3·EDGAR ↗
7,215 sh @ $106.25
$767K
SELL10b5-1
Randhawa Simrat · EVP, Head of R&D
Tx Sep 1·Filed Sep 3·EDGAR ↗
2,600 sh @ $105.19
$273K
EXERCISE10b5-1
Randhawa Simrat · EVP, Head of R&D
Tx Sep 1·Filed Sep 3·EDGAR ↗
9,375 sh @ $22.07
$207K
EXERCISE10b5-1
Randhawa Simrat · EVP, Head of R&D
Tx Sep 1·Filed Sep 3·EDGAR ↗
7,500 sh @ $17.88
$134K
EXERCISE10b5-1
Read Simon · Director
Tx Aug 19·Filed Aug 19·EDGAR ↗
2,778 sh @ $18.36
$51K
SELL10b5-1
Read Simon · Director
Tx Aug 19·Filed Aug 19·EDGAR ↗
2,778 sh @ $117.55
$327K
EXERCISE
Veness Adam M · SVP, General Counsel and Sec.
Tx Aug 13·Filed Aug 14·EDGAR ↗
15,000 sh @ $18.17
$273K
SELL10b5-1
Veness Adam M · SVP, General Counsel and Sec.
Tx Aug 10·Filed Aug 11·EDGAR ↗
16,167 sh @ $110.38
$1.8M
EXERCISE10b5-1
Mcgeorge Anne · Director
Tx Aug 10·Filed Aug 11·EDGAR ↗
1,250 sh @ $19.36
$24K
EXERCISE10b5-1
Mcgeorge Anne · Director
Tx Aug 10·Filed Aug 11·EDGAR ↗
6,500 sh @ $11.20
$73K
SELL10b5-1
Mcgeorge Anne · Director
Tx Aug 10·Filed Aug 11·EDGAR ↗
1,450 sh @ $107.58
$156K
SELL10b5-1
Mcgeorge Anne · Director
Tx Aug 10·Filed Aug 11·EDGAR ↗
2,800 sh @ $108.38
$303K
SELL10b5-1
Mcgeorge Anne · Director
Tx Aug 10·Filed Aug 11·EDGAR ↗
1,800 sh @ $109.30
$197K
SELL10b5-1
Mcgeorge Anne · Director
Tx Aug 10·Filed Aug 11·EDGAR ↗
1,000 sh @ $110.64
$111K
SELL10b5-1
Mcgeorge Anne · Director
Tx Aug 10·Filed Aug 11·EDGAR ↗
700 sh @ $111.41
$78K
EXERCISE10b5-1
Veness Adam M · SVP, General Counsel and Sec.
Tx Aug 10·Filed Aug 11·EDGAR ↗
16,167 sh @ $17.88
$289K
EXERCISE10b5-1
Read Simon · Director
Tx Aug 10·Filed Aug 11·EDGAR ↗
2,777 sh @ $18.36
$51K
SELL10b5-1
Read Simon · Director
Tx Aug 10·Filed Aug 11·EDGAR ↗
70 sh @ $107.11
$7K
SELL10b5-1
Read Simon · Director
Tx Aug 10·Filed Aug 11·EDGAR ↗
737 sh @ $108.17
$80K
SELL10b5-1
Read Simon · Director
Tx Aug 10·Filed Aug 11·EDGAR ↗
831 sh @ $108.95
$91K
SELL10b5-1
Read Simon · Director
Tx Aug 10·Filed Aug 11·EDGAR ↗
272 sh @ $109.96
$30K
SELL10b5-1
Read Simon · Director
Tx Aug 10·Filed Aug 11·EDGAR ↗
470 sh @ $111.05
$52K
SELL10b5-1
Read Simon · Director
Tx Aug 10·Filed Aug 11·EDGAR ↗
397 sh @ $111.77
$44K
SELL10b5-1
Veness Adam M · SVP, General Counsel and Sec.
Tx Aug 7·Filed Aug 11·EDGAR ↗
616 sh @ $111.18
$68K
EXERCISE10b5-1
Veness Adam M · SVP, General Counsel and Sec.
Tx Aug 7·Filed Aug 11·EDGAR ↗
3,833 sh @ $17.88
$69K
SELL10b5-1
Veness Adam M · SVP, General Counsel and Sec.
Tx Aug 7·Filed Aug 11·EDGAR ↗
3,217 sh @ $110.61
$356K
SELL10b5-1
Garcia Marino · CEO AND PRESIDENT
Tx Aug 7·Filed Aug 7·EDGAR ↗
800 sh @ $110.76
$89K
SELL10b5-1
Garcia Marino · CEO AND PRESIDENT
Tx Aug 7·Filed Aug 7·EDGAR ↗
2,536 sh @ $110.02
$279K
SELL10b5-1
Garcia Marino · CEO AND PRESIDENT
Tx Aug 7·Filed Aug 7·EDGAR ↗
2,373 sh @ $109.10
$259K
SELL10b5-1
Garcia Marino · CEO AND PRESIDENT
Tx Aug 7·Filed Aug 7·EDGAR ↗
23,907 sh @ $108.05
$2.6M
SELL10b5-1
Garcia Marino · CEO AND PRESIDENT
Tx Aug 7·Filed Aug 7·EDGAR ↗
10,384 sh @ $107.49
$1.1M
EXERCISE10b5-1
Garcia Marino · CEO AND PRESIDENT
Tx Aug 7·Filed Aug 7·EDGAR ↗
40,000 sh @ $8.44
$338K
EXERCISE10b5-1
Garcia Marino · CEO AND PRESIDENT
Tx Aug 7·Filed Aug 7·EDGAR ↗
126,000 sh @ $8.44
$1.1M
SELL10b5-1
Garcia Marino · CEO AND PRESIDENT
Tx Aug 7·Filed Aug 7·EDGAR ↗
21,909 sh @ $108.72
$2.4M
SELL10b5-1
Garcia Marino · CEO AND PRESIDENT
Tx Aug 7·Filed Aug 7·EDGAR ↗
104,091 sh @ $107.96
$11.2M
SELL10b5-1
Savitz Ryan · EVP, CFO & CBO
Tx Jul 9·Filed Jul 13·EDGAR ↗
10,354 sh @ $100.22
$1.0M
SELL10b5-1
Savitz Ryan · EVP, CFO & CBO
Tx Jul 9·Filed Jul 13·EDGAR ↗
5,566 sh @ $101.97
$568K
SELL10b5-1
Savitz Ryan · EVP, CFO & CBO
Tx Jul 9·Filed Jul 13·EDGAR ↗
15,329 sh @ $101.24
$1.6M
EXERCISE10b5-1
Savitz Ryan · EVP, CFO & CBO
Tx Jul 9·Filed Jul 13·EDGAR ↗
31,249 sh @ $21.77
$680K
EXERCISE10b5-1
Veness Adam M · SVP, General Counsel and Sec.
Tx Jun 17·Filed Jun 18·EDGAR ↗
30,000 sh @ $17.88
$536K
SELL10b5-1
Veness Adam M · SVP, General Counsel and Sec.
Tx Jun 17·Filed Jun 18·EDGAR ↗
13,229 sh @ $81.38
$1.1M
SELL10b5-1
Veness Adam M · SVP, General Counsel and Sec.
Tx Jun 17·Filed Jun 18·EDGAR ↗
16,771 sh @ $80.34
$1.3M

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About DNTH insider trading data

Form 4 is the SEC filing required when an officer, director, or 10% owner of a public company buys or sells the company's stock. By law, these filings must be submitted within two business days of the trade. Tracenotes pulls every Form 4 filing for DNTH from EDGAR, parses it, and surfaces the activity on this page.

What insider buying tells you. Open-market purchases by insiders are widely studied as a meaningful signal. Unlike stock awards (which are compensation, not conviction), an executive spending their own money to buy shares of the company they run is a vote of confidence. Studies have found insider-buying clusters — three or more insiders buying within a short window — outperform the broader market over the following year.

What insider selling tells you. Selling is noisier. Many sales are pre-scheduled under SEC Rule 10b5-1 plans, which let insiders sell on a fixed schedule regardless of company news. We label these "10b5-1" so you can see them. Discretionary sales — sales not tied to a plan — are more meaningful, especially when multiple insiders sell in quick succession.

Tracenotes methodology. We scan EDGAR daily for new Form 4 filings, parse them into individual transactions, and detect clusters when three or more distinct insiders buy or sell within a 14-day window. The data on this page covers the last 12 months. For deeper analysis, Tracenotes also runs language-change detection on 10-K and 10-Q filings — that's our core product.

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Frequently asked questions

What is a Form 4 filing?

Form 4 is the SEC disclosure required when a company insider — an officer, director, or 10% owner — buys or sells the company's stock. By law these filings must be submitted within two business days of the trade.

Is insider buying DNTH always bullish?

Open-market purchases by insiders are widely viewed as a bullish signal because executives are spending their own money. Stock awards and option exercises are part of compensation and don't carry the same weight, which is why we treat them separately on this page.

What is a 10b5-1 trade?

A trade made under SEC Rule 10b5-1, which lets insiders pre-schedule sales weeks or months in advance. These sales execute on a fixed plan regardless of company news, so they're a weaker signal than discretionary sales. We label them with a "10b5-1" tag.

What is an insider cluster?

A cluster is when three or more distinct insiders buy or sell within a 14-day window. Clusters are studied as stronger signals than single trades because multiple people independently reach the same view. We surface active clusters on Dianthus Therapeutics, Inc. /DE/ (DNTH) when they form.

Where does DNTH insider trading data come from?

Every Form 4 filing for DNTH is sourced directly from SEC EDGAR. Tracenotes scans EDGAR daily, parses each Form 4 into individual transactions, and updates this page within hours of new filings.

Nothing on this page constitutes investment advice. Form 4 data is sourced from SEC EDGAR and provided for research purposes only.

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