Form4insider filings, from the source

Company · CIK 0001690585 · SIC 2834 — Pharmaceutical Preparations · Nasdaq

Dianthus Therapeutics, Inc. /DE/ · DNTH

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $31.7M · 9net −$31.7M
$10k$10k$1M$1M$100M$100MbuyssalesSep 2025Nov 2025Jan 2026Mar 2026May 2026Jul 2026Sep 2026

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 17, 2026 SForm 4 →Sep 18, 4:36 pm EDTEdward CarrCHIEF ACCOUNTING OFFICER20,000$101.38$2,027,6460−100%10b5-1
Sep 17, 2026 MForm 4 →Sep 18, 4:36 pm EDTEdward CarrCHIEF ACCOUNTING OFFICER20,000$17.88$357,60020,000—10b5-1
Sep 1, 2026 SForm 4 →Sep 3, 4:30 pm EDTSimrat RandhawaEVP, Head of R&D23,124$106.41$2,460,6904,000−85.3%10b5-1
Sep 1, 2026 MForm 4 →Sep 3, 4:30 pm EDTSimrat RandhawaEVP, Head of R&D23,124$20.63$477,04727,124—10b5-1
Aug 19, 2026 SForm 4 →Aug 19, 6:02 pm EDTSimon ReadDirector2,778$117.55$326,5540−100%10b5-1
Aug 19, 2026 MForm 4 →Aug 19, 6:02 pm EDTSimon ReadDirector2,778$18.36$51,0042,778—10b5-1
Aug 13, 2026 MForm 4 →Aug 14, 4:30 pm EDTAdam M VenessSVP, General Counsel and Sec.15,000$18.17$272,55015,000—
Aug 10, 2026 SForm 4 →Aug 11, 5:15 pm EDTAnne McGeorgeDirector7,750$109.01$844,8220−100%10b5-1
Aug 10, 2026 MForm 4 →Aug 11, 5:15 pm EDTAnne McGeorgeDirector7,750$12.52$97,0007,750—10b5-1
Aug 10, 2026 SForm 4 →Aug 11, 5:10 pm EDTSimon ReadDirector2,777$109.55$304,2320−100%10b5-1
Aug 10, 2026 MForm 4 →Aug 11, 5:10 pm EDTSimon ReadDirector2,777$18.36$50,9862,777—10b5-1
Aug 7, 2026 SForm 4 →Aug 11, 5:08 pm EDTAdam M VenessSVP, General Counsel and Sec.20,000$110.44$2,208,8330−100%10b5-1
Aug 7, 2026 MForm 4 →Aug 11, 5:08 pm EDTAdam M VenessSVP, General Counsel and Sec.20,000$17.88$357,60016,167—10b5-1
Aug 7, 2026 SForm 4 →Aug 7, 6:30 pm EDTMarino GarciaCEO AND PRESIDENT, Director166,000$108.11$17,945,45165,292−71.8%10b5-1
Aug 7, 2026 MForm 4 →Aug 7, 6:30 pm EDTMarino GarciaCEO AND PRESIDENT, Director166,000$8.44$1,401,040231,292—10b5-1
Jul 9, 2026 SForm 4 →Jul 13, 5:00 pm EDTRyan SavitzEVP, CFO & CBO31,249$101.03$3,157,1510−100%10b5-1
Jul 9, 2026 MForm 4 →Jul 13, 5:00 pm EDTRyan SavitzEVP, CFO & CBO31,249$21.77$680,29131,249—10b5-1
Jun 17, 2026 SForm 4 →Jun 18, 4:30 pm EDTAdam M VenessSVP, General Counsel and Sec.30,000$80.80$2,423,9580−100%10b5-1
Jun 17, 2026 MForm 4 →Jun 18, 4:30 pm EDTAdam M VenessSVP, General Counsel and Sec.30,000$17.88$536,40030,000—10b5-1

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 17, 2026 MForm 4 →Sep 18, 4:36 pm EDTEdward CarrCHIEF ACCOUNTING OFFICER20,000——43,818—10b5-1
Sep 1, 2026 MForm 4 →Sep 3, 4:30 pm EDTSimrat RandhawaEVP, Head of R&D23,124——87,500—10b5-1
Aug 19, 2026 MForm 4 →Aug 19, 6:02 pm EDTSimon ReadDirector2,778——19,445—10b5-1
Aug 13, 2026 MForm 4 →Aug 14, 4:30 pm EDTAdam M VenessSVP, General Counsel and Sec.15,000——73,240—
Aug 10, 2026 MForm 4 →Aug 11, 5:15 pm EDTAnne McGeorgeDirector7,750——0—10b5-1
Aug 10, 2026 MForm 4 →Aug 11, 5:10 pm EDTSimon ReadDirector2,777——22,223—10b5-1
Aug 7, 2026 MForm 4 →Aug 11, 5:08 pm EDTAdam M VenessSVP, General Counsel and Sec.20,000——60,000—10b5-1
Aug 7, 2026 MForm 4 →Aug 7, 6:30 pm EDTMarino GarciaCEO AND PRESIDENT, Director166,000——160,004—10b5-1
Jul 9, 2026 MForm 4 →Jul 13, 5:00 pm EDTRyan SavitzEVP, CFO & CBO31,249——68,751—10b5-1
Jun 17, 2026 MForm 4 →Jun 18, 4:30 pm EDTAdam M VenessSVP, General Counsel and Sec.30,000——80,000—10b5-1