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Nasdaq · CIK 0001690585

DNTH Dianthus Therapeutics, Inc. /DE/

Insider trading from SEC Form 4. Last filing 25 d ago. Close $82.37 on Oct 9, 2026, +150% from the 52-week low and -29% from the high.

In brief

Dianthus Therapeutics, Inc. /DE/ (DNTH) has 50 SEC Form 4 filings on file from 8 insiders, the latest filed on Sep 18, 2026. In the last 90 days insiders made 0 open-market buys worth $0 and 7 open-market sells worth $26M, net -$26M.

21 open-market trades have been scored at DNTH. The newest: Edward Carr (CHIEF ACCOUNTING OFFICER) sold $2.0M of stock on Sep 17, 2026, filed Sep 18, 2026, scored 25 (weak), under a 10b5-1 plan. The largest of the 21 shown: Marino Garcia (CEO AND PRESIDENT) sold $18M on Aug 7, 2026, scored 50 (moderate), under a 10b5-1 plan. 2 insiders sold within 14 days of each other around Sep 1, 2026.

21 Form 144 notices of planned sales are on file, the latest filed Sep 17, 2026.

Last 90 days

Net insider value
-$26M
more sold than bought
Buys
0
$0 by 0 insiders
Sells
7
$26M by 6 insiders
Insiders on file
8
with a Form 4 at this company

Price and insider trades, last year

DNTHOct 9, 2026 · close 82.37

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

Open-market buys and sells at Dianthus Therapeutics, Inc. /DE/, scored.

ScoreInsiderValueHoldingsPrice contextFiled
25WeakEdward Carr
CHIEF ACCOUNTING OFFICER
sell
$2.0M
20,000 shares
-100%-
33WeakSimrat Randhawa
EVP, Head of R&D
sell
$2.5M
23,124 shares
-85%+347% from low-8% from high
30WeakSimon Read
director
sell
$327k
2,778 shares
-100%+401% from low-2% from high
29WeakSimon Read
director
sell
$304k
2,777 shares
-100%+492% from low-1% from high
40ModerateAdam M Veness
SVP, General Counsel and Sec.
sell
$2.2M
20,000 shares
-522%+481% from low-3% from high
38WeakAnne McGeorge
director
sell
$845k
7,750 shares
-100%+492% from low-1% from high
50ModerateMarino Garcia
CEO AND PRESIDENT
sell
$18M
166,000 shares
-72%+481% from low-3% from high
32WeakRyan Savitz
EVP, CFO & CBO
sell
$3.2M
31,249 shares
-100%+433% from low0% from high
25WeakAdam M Veness
SVP, General Counsel and Sec.
sell
$2.4M
30,000 shares
-100%+386% from low-14% from high
25WeakSimrat Randhawa
EVP, Head of R&D
sell
$2.4M
26,530 shares
-87%+431% from low-7% from high
7WeakPaula Soteropoulos
director
sell
$51k
599 shares
-100%+414% from low-9% from high
36WeakRyan Savitz
EVP, CFO & CBO
sell
$739k
8,224 shares
-100%+488% from low0% from high
15WeakPaula Soteropoulos
director
sell
$48k
599 shares
-100%+465% from low-3% from high
40ModerateRyan Savitz
EVP, CFO & CBO
sell
$9.5M
114,367 shares
-100%+465% from low-3% from high
40ModeratePaula Soteropoulos
director
sell
$2.2M
27,594 shares
-100%+429% from low-10% from high
40ModerateEdward Carr
CHIEF ACCOUNTING OFFICER
sell
$3.6M
43,682 shares
-100%+441% from low-8% from high
50ModerateMarino Garcia
CEO AND PRESIDENT
sell
$10M
122,918 shares
-100%+441% from low-8% from high
40ModerateSimrat Randhawa
EVP, Head of R&D
sell
$2.8M
33,830 shares
-100%+441% from low-8% from high
31WeakRyan Savitz
CFO & CBO
sell
$904k
20,000 shares
-100%+201% from low0% from high
25WeakSimrat Randhawa
EVP, Head of R&D
sell
$7.4M
196,538 shares
-215%+139% from low-10% from high
28WeakRyan Savitz
CFO & CBO
sell
$700k
20,000 shares
-100%+139% from low0% from high

Planned sales

Form 144 notices filed before a sale of restricted or control stock, newest first. The sale itself usually reaches a Form 4 within days. All planned sales

FiledSellerSharesValueSale datePast 3 months
Sep 17, 2026 EDWARD CARR
Officer
20,000
0.04% of outstanding
$2.0MSep 17, 2026none
Sep 1, 2026 SIMRAT RANDHAWA
Officer
23,124
0.04% of outstanding
$2.4MSep 1, 2026none
Aug 10, 2026 ANNE M MCGEORGE
Director
7,750
0.01% of outstanding
$844kAug 10, 2026none
Aug 10, 2026 ADAM VENESS
Officer
16,167
0.03% of outstanding
$1.8MAug 10, 2026$2.8M
Aug 10, 2026 Read Simon
Officer
5,550
0.01% of outstanding
$624kAug 10, 2026none
Aug 7, 2026 MARINO GARCIA
Officer
126,000
0.23% of outstanding
$14MAug 7, 2026none
Aug 7, 2026 ADAM VENESS
Officer
3,833
0.01% of outstanding
$421kAug 7, 2026$2.4M
Aug 7, 2026 MARINO GARCIA
Director, Officer
40,000
0.07% of outstanding
$4.4MAug 7, 2026none
Jul 9, 2026 RYAN SAVITZ
Officer
31,249
0.06% of outstanding
$3.1MJul 9, 2026none
Jun 17, 2026 ADAM M VENESS
Officer
30,000
0.05% of outstanding
$2.4MJun 17, 2026none
Jun 1, 2026 SIMRAT RANDHAWA
Officer
26,530
0.05% of outstanding
$2.5MJun 1, 2026$2.8M
Apr 9, 2026 RYAN SAVITZ
Officer
8,224
0.02% of outstanding
$719kApr 9, 2026$9.5M
Mar 31, 2026 PAULA C SOTEROPOULOS
Director
1,198
0.00% of outstanding
$95kMar 31, 2026$2.2M
Mar 31, 2026 RYAN SAVITZ
Officer
114,367
0.26% of outstanding
$9.1MMar 31, 2026none
Mar 24, 2026 PAULA C SOTEROPOULOS
Director
27,594
0.06% of outstanding
$2.2MMar 24, 2026none
Mar 12, 2026 EDWARD CARR
Officer
43,682
0.10% of outstanding
$3.7MMar 12, 2026none
Mar 12, 2026 SIMRAT RANDHAWA
Officer
33,830
0.08% of outstanding
$2.9MMar 12, 2026none
Mar 12, 2026 MARINO GARCIA
Director, Officer
122,918
0.28% of outstanding
$11MMar 12, 2026none
Dec 4, 2025 RYAN SAVITZ
Officer
20,000
0.05% of outstanding
$879kDec 4, 2025$700k
Nov 13, 2025 SIMRAT RANDHAWA
Officer
196,538
0.46% of outstanding
$7.6MNov 13, 2025none
Sep 9, 2025 RYAN SAVITZ
Officer
20,000
0.06% of outstanding
$636kSep 9, 2025none

Transactions

The newest 50 of 178 rows filed, every code.

DateInsiderTransactionSharesPriceValueHoldings afterFiled
Sep 17, 2026Edward Carr
CHIEF ACCOUNTING OFFICER
MOption exercise
Common Stock10b5-1
+20,000$17.88$358k20,00025 d ago
Sep 17, 2026Edward Carr
CHIEF ACCOUNTING OFFICER
SOpen-market sale
Common Stock10b5-1
-7,928$100.43$796k12,07225 d ago
Sep 17, 2026Edward Carr
CHIEF ACCOUNTING OFFICER
SOpen-market sale
Common Stock10b5-1
-6,771$101.37$686k5,30125 d ago
Sep 17, 2026Edward Carr
CHIEF ACCOUNTING OFFICER
SOpen-market sale
Common Stock10b5-1
-3,501$102.39$358k1,80025 d ago
Sep 17, 2026Edward Carr
CHIEF ACCOUNTING OFFICER
SOpen-market sale
Common Stock10b5-1
-1,100$103.20$114k70025 d ago
Sep 17, 2026Edward Carr
CHIEF ACCOUNTING OFFICER
SOpen-market sale
Common Stock10b5-1
-700$104.39$73k025 d ago
Sep 17, 2026Edward Carr
CHIEF ACCOUNTING OFFICER
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-20,000$0.00$043,81825 d ago
Sep 1, 2026Simrat Randhawa
EVP, Head of R&D
MOption exercise
Common Stock10b5-1
+7,500$17.88$134k11,50040 d ago
Sep 1, 2026Simrat Randhawa
EVP, Head of R&D
MOption exercise
Common Stock10b5-1
+6,249$21.77$136k17,74940 d ago
Sep 1, 2026Simrat Randhawa
EVP, Head of R&D
MOption exercise
Common Stock10b5-1
+9,375$22.07$207k27,12440 d ago
Sep 1, 2026Simrat Randhawa
EVP, Head of R&D
SOpen-market sale
Common Stock10b5-1
-2,600$105.19$273k24,52440 d ago
Sep 1, 2026Simrat Randhawa
EVP, Head of R&D
SOpen-market sale
Common Stock10b5-1
-7,215$106.25$767k17,30940 d ago
Sep 1, 2026Simrat Randhawa
EVP, Head of R&D
SOpen-market sale
Common Stock10b5-1
-13,309$106.74$1.4M4,00040 d ago
Sep 1, 2026Simrat Randhawa
EVP, Head of R&D
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-7,500$0.00$056,77640 d ago
Sep 1, 2026Simrat Randhawa
EVP, Head of R&D
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-6,249$0.00$041,67640 d ago
Sep 1, 2026Simrat Randhawa
EVP, Head of R&D
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-9,375$0.00$087,50040 d ago
Aug 19, 2026Simon Read
director
MOption exercise
Common Stock10b5-1
+2,778$18.36$51k2,778Aug 19, 2026
Aug 19, 2026Simon Read
director
SOpen-market sale
Common Stock10b5-1
-2,778$117.55$327k0Aug 19, 2026
Aug 19, 2026Simon Read
director
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-2,778$0.00$019,445Aug 19, 2026
Aug 13, 2026Adam M Veness
SVP, General Counsel and Sec.
MOption exercise
Common Stock
+15,000$18.17$273k15,000Aug 14, 2026
Aug 13, 2026Adam M Veness
SVP, General Counsel and Sec.
MOption exercise
Stock Option (Right to Buy)derivative
-15,000$0.00$073,240Aug 14, 2026
Aug 10, 2026Anne McGeorge
director
MOption exercise
Common Stock10b5-1
+1,250$19.36$24k1,250Aug 11, 2026
Aug 10, 2026Simon Read
director
MOption exercise
Common Stock10b5-1
+2,777$18.36$51k2,777Aug 11, 2026
Aug 7, 2026Adam M Veness
SVP, General Counsel and Sec.
MOption exercise
Common Stock10b5-1
+3,833$17.88$69k3,833Aug 11, 2026
Aug 10, 2026Anne McGeorge
director
MOption exercise
Common Stock10b5-1
+6,500$11.20$73k7,750Aug 11, 2026
Aug 7, 2026Adam M Veness
SVP, General Counsel and Sec.
SOpen-market sale
Common Stock10b5-1
-3,217$110.61$356k616Aug 11, 2026
Aug 10, 2026Simon Read
director
SOpen-market sale
Common Stock10b5-1
-70$107.11$7,4982,707Aug 11, 2026
Aug 10, 2026Anne McGeorge
director
SOpen-market sale
Common Stock10b5-1
-1,450$107.58$156k6,300Aug 11, 2026
Aug 7, 2026Adam M Veness
SVP, General Counsel and Sec.
SOpen-market sale
Common Stock10b5-1
-616$111.18$68k0Aug 11, 2026
Aug 10, 2026Simon Read
director
SOpen-market sale
Common Stock10b5-1
-737$108.17$80k1,970Aug 11, 2026
Aug 10, 2026Anne McGeorge
director
SOpen-market sale
Common Stock10b5-1
-2,800$108.38$303k3,500Aug 11, 2026
Aug 10, 2026Simon Read
director
SOpen-market sale
Common Stock10b5-1
-831$108.95$91k1,139Aug 11, 2026
Aug 10, 2026Adam M Veness
SVP, General Counsel and Sec.
MOption exercise
Common Stock10b5-1
+16,167$17.88$289k16,167Aug 11, 2026
Aug 10, 2026Anne McGeorge
director
SOpen-market sale
Common Stock10b5-1
-1,800$109.30$197k1,700Aug 11, 2026
Aug 10, 2026Simon Read
director
SOpen-market sale
Common Stock10b5-1
-272$109.96$30k867Aug 11, 2026
Aug 10, 2026Adam M Veness
SVP, General Counsel and Sec.
SOpen-market sale
Common Stock10b5-1
-16,167$110.38$1.8M0Aug 11, 2026
Aug 10, 2026Anne McGeorge
director
SOpen-market sale
Common Stock10b5-1
-1,000$110.64$111k700Aug 11, 2026
Aug 7, 2026Adam M Veness
SVP, General Counsel and Sec.
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-3,833$0.00$076,167Aug 11, 2026
Aug 10, 2026Simon Read
director
SOpen-market sale
Common Stock10b5-1
-470$111.05$52k397Aug 11, 2026
Aug 10, 2026Adam M Veness
SVP, General Counsel and Sec.
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-16,167$0.00$060,000Aug 11, 2026
Aug 10, 2026Anne McGeorge
director
SOpen-market sale
Common Stock10b5-1
-700$111.41$78k0Aug 11, 2026
Aug 10, 2026Simon Read
director
SOpen-market sale
Common Stock10b5-1
-397$111.77$44k0Aug 11, 2026
Aug 10, 2026Anne McGeorge
director
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-1,250$0.00$00Aug 11, 2026
Aug 10, 2026Simon Read
director
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-2,777$0.00$022,223Aug 11, 2026
Aug 10, 2026Anne McGeorge
director
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-6,500$0.00$00Aug 11, 2026
Aug 7, 2026Marino Garcia
CEO AND PRESIDENT
MOption exercise
Common Stock10b5-1
+40,000$8.44$338k105,292Aug 7, 2026
Aug 7, 2026Marino Garcia
CEO AND PRESIDENT
MOption exercise
Common Stock10b5-1
+126,000$8.44$1.1M231,292Aug 7, 2026
Aug 7, 2026Marino Garcia
CEO AND PRESIDENT
SOpen-market sale
Common Stock10b5-1
-10,384$107.49$1.1M220,908Aug 7, 2026
Aug 7, 2026Marino Garcia
CEO AND PRESIDENT
SOpen-market sale
Common Stock10b5-1
-23,907$108.05$2.6M197,001Aug 7, 2026
Aug 7, 2026Marino Garcia
CEO AND PRESIDENT
SOpen-market sale
Common Stock10b5-1
-2,373$109.10$259k194,628Aug 7, 2026
50 of 178 rows shown.

Insiders

Everyone who has filed a Form 4 here.

Questions about DNTH

Answered from the filings on this page, as of the latest one.

Are insiders buying DNTH?

As of Sep 18, 2026, SEC Form 4 filings show 0 open-market buys worth $0 by 0 insiders and 7 open-market sells worth $26M by 6 insiders at Dianthus Therapeutics, Inc. /DE/ in the last 90 days, net -$26M. Only purchases (code P) and sales (code S) count; grants, option exercises and tax withholding do not.

Who was the last insider to trade DNTH on the open market?

Edward Carr (CHIEF ACCOUNTING OFFICER) sold $2.0M of DNTH on Sep 17, 2026 and filed the Form 4 on Sep 18, 2026. InsiderTell scored 25 (weak), under a 10b5-1 plan.

How many insiders file Form 4 at Dianthus Therapeutics, Inc. /DE/?

8 people have filed a Form 4 at Dianthus Therapeutics, Inc. /DE/, among them Edward Carr (CHIEF ACCOUNTING OFFICER), Marino Garcia (CEO AND PRESIDENT), Anne McGeorge (director). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

DNTH insider trading: Dianthus Therapeutics, Inc. /DE/ | InsiderTell