Skip to content

Insider · CIK 0001669866

Marino Garcia

ceopresidentofficerdirector

Files at DNTH (Dianthus Therapeutics, Inc. /DE/), AGMB (AgomAb Therapeutics NV). First filing Mar 13, 2026, latest Aug 7, 2026.

In brief

Marino Garcia files SEC Form 4 as CEO, president and director at DNTH (Dianthus Therapeutics, Inc. /DE/), and also at AGMB (AgomAb Therapeutics NV). Since Mar 13, 2026, Marino Garcia has reported 0 open-market buys worth $0 and 2 open-market sells worth $28M, the latest filed on Aug 7, 2026.

A track record needs three past buys with six months of prices behind them; Marino Garcia has 0, so none is measured yet.

The newest scored trade: sold $18M of DNTH on Aug 7, 2026, filed Aug 7, 2026, scored 50 (moderate), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 2 sells worth $28M.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 2
$0 bought, $28M sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

DNTH: Dianthus Therapeutics, Inc. /DE/

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

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
50Moderate
DNTHsell 410b5-1
Dianthus Therapeutics, Inc. /DE/
$18M
166,000 shares
-72%+481% from low-3% from high
50Moderate
DNTHsell 410b5-1
Dianthus Therapeutics, Inc. /DE/
$10M
122,918 shares
-100%+441% from low-8% from high

Planned sales

Form 144 notices this insider filed before selling restricted or control stock, newest first.

FiledCompanySharesValueSale datePast 3 months
Aug 7, 2026 DNTH
DIANTHUS THERAPEUTICS OPCO, INC.
126,000
0.23% of outstanding
$14MAug 7, 2026none
Aug 7, 2026 DNTH
Dianthus Therapeutics, Inc.
40,000
0.07% of outstanding
$4.4MAug 7, 2026none
Mar 12, 2026 DNTH
Dianthus Therapeutics, Inc.
122,918
0.28% of outstanding
$11MMar 12, 2026none

Transactions

Every row this insider has filed, 26 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Sep 11, 2026AGMB
AgomAb Therapeutics NV
AGrant or award
Stock Option (Right to Buy)derivative
+57,482$0.00$057,48228 d ago
Aug 7, 2026DNTH
Dianthus Therapeutics, Inc. /DE/
MOption exercise
Common Stock10b5-1
+40,000$8.44$338k105,292Aug 7, 2026
Aug 7, 2026DNTH
Dianthus Therapeutics, Inc. /DE/
MOption exercise
Common Stock10b5-1
+126,000$8.44$1.1M231,292Aug 7, 2026
Aug 7, 2026DNTH
Dianthus Therapeutics, Inc. /DE/
SOpen-market sale
Common Stock10b5-1
-10,384$107.49$1.1M220,908Aug 7, 2026
Aug 7, 2026DNTH
Dianthus Therapeutics, Inc. /DE/
SOpen-market sale
Common Stock10b5-1
-23,907$108.05$2.6M197,001Aug 7, 2026
Aug 7, 2026DNTH
Dianthus Therapeutics, Inc. /DE/
SOpen-market sale
Common Stock10b5-1
-2,373$109.10$259k194,628Aug 7, 2026
Aug 7, 2026DNTH
Dianthus Therapeutics, Inc. /DE/
SOpen-market sale
Common Stock10b5-1
-2,536$110.02$279k192,092Aug 7, 2026
Aug 7, 2026DNTH
Dianthus Therapeutics, Inc. /DE/
SOpen-market sale
Common Stock10b5-1
-800$110.76$89k191,292Aug 7, 2026
Aug 7, 2026DNTH
Dianthus Therapeutics, Inc. /DE/
SOpen-market sale
Common Stock10b5-1
-104,091$107.96$11M87,102Aug 7, 2026
Aug 7, 2026DNTH
Dianthus Therapeutics, Inc. /DE/
SOpen-market sale
Common Stock10b5-1
-21,909$108.72$2.4M65,292Aug 7, 2026
Aug 7, 2026DNTH
Dianthus Therapeutics, Inc. /DE/
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-40,000$0.00$0286,004Aug 7, 2026
Aug 7, 2026DNTH
Dianthus Therapeutics, Inc. /DE/
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-126,000$0.00$0160,004Aug 7, 2026
Mar 16, 2026DNTH
Dianthus Therapeutics, Inc. /DE/
MOption exercise
Common Stock
+59,700$6.70$400k59,700Mar 17, 2026
Mar 16, 2026DNTH
Dianthus Therapeutics, Inc. /DE/
MOption exercise
Common Stock
+5,592$17.88$100k65,292Mar 17, 2026
Mar 16, 2026DNTH
Dianthus Therapeutics, Inc. /DE/
MOption exercise
Stock Option (Right to Buy)derivative
-59,700$0.00$041Mar 17, 2026
Mar 16, 2026DNTH
Dianthus Therapeutics, Inc. /DE/
MOption exercise
Stock Option (Right to Buy)derivative
-5,592$0.00$0269,408Mar 17, 2026
Mar 12, 2026DNTH
Dianthus Therapeutics, Inc. /DE/
MOption exercise
Common Stock10b5-1
+122,918$6.70$824k122,918Mar 13, 2026
Mar 12, 2026DNTH
Dianthus Therapeutics, Inc. /DE/
SOpen-market sale
Common Stock10b5-1
-43,505$80.69$3.5M79,413Mar 13, 2026
Mar 12, 2026DNTH
Dianthus Therapeutics, Inc. /DE/
SOpen-market sale
Common Stock10b5-1
-65,517$81.74$5.4M13,896Mar 13, 2026
Mar 12, 2026DNTH
Dianthus Therapeutics, Inc. /DE/
SOpen-market sale
Common Stock10b5-1
-12,796$82.60$1.1M1,100Mar 13, 2026
Mar 12, 2026DNTH
Dianthus Therapeutics, Inc. /DE/
SOpen-market sale
Common Stock10b5-1
-200$83.38$17k900Mar 13, 2026
Mar 12, 2026DNTH
Dianthus Therapeutics, Inc. /DE/
SOpen-market sale
Common Stock10b5-1
-900$85.53$77k0Mar 13, 2026
Mar 12, 2026DNTH
Dianthus Therapeutics, Inc. /DE/
MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-122,918$0.00$059,741Mar 13, 2026
Feb 3, 2026DNTH
Dianthus Therapeutics, Inc. /DE/
AGrant or award
Stock Option (Right to Buy)derivative
+355,000$0.00$0355,000Feb 4, 2026
Sep 30, 2025DNTH
Dianthus Therapeutics, Inc. /DE/
AGrant or award
Stock Option (Right to Buy)derivative
+120,000$0.00$0120,000Oct 3, 2025
Feb 3, 2025DNTH
Dianthus Therapeutics, Inc. /DE/
AGrant or award
Stock Option (Right to Buy)derivative
+340,000$0.00$0340,000Feb 4, 2025

Questions about Marino Garcia

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

Is Marino Garcia buying or selling?

In the last 12 months Marino Garcia reported 0 open-market buys worth $0 and 2 open-market sells worth $28M on SEC Form 4; the latest was sold $18M of DNTH on Aug 7, 2026. Grants, option exercises and tax withholding are not counted.

How did Marino Garcia's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Marino Garcia has 0.

Where does Marino Garcia file Form 4?

Marino Garcia has filed Form 4 at DNTH (Dianthus Therapeutics, Inc. /DE/) as CEO AND PRESIDENT; AGMB (AgomAb Therapeutics NV). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

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.

Marino Garcia: insider trades and track record | InsiderTell