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Dianthus Therapeutics, Inc.

DNTH
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001690585

In the last 90 days, Dianthus Therapeutics, Inc. insiders filed 0 open-market purchases and 8 sales; 269 institutions reported holding it in 13F filings for Q2 2026, worth $6.43B in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Dianthus Therapeutics, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
8 filings
7 insiders, $29.3M in total
Insiders trading
7
Net value
−$29.3M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Dianthus Therapeutics, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Dianthus Therapeutics, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Carr EdwardCHIEF ACCOUNTING OFFICER0Sep 18, 20263
Randhawa SimratEVP, Head of R&D4,000Sep 3, 20265
Read SimonDirector0Aug 19, 20263
Veness Adam MSVP, General Counsel and Sec.15,000Aug 14, 20264
McGeorge AnneDirector0Aug 11, 20262
Garcia MarinoCEO AND PRESIDENT65,292Aug 7, 20265
Savitz RyanEVP, CFO & CBO0Jul 13, 20265
Kango SujayDirector–May 22, 20261
Lawton Alison FrancesDirector–May 22, 20261
Romano Steven J.Director–May 22, 20261
Soteropoulos PaulaDirector0May 22, 20264
Violin JonathanDirector–May 22, 20261
Fairmount Funds Management LLCDirector0IndirectOct 1, 20240
Kiselak TomasDirector0IndirectOct 1, 20240
Moulder Leon O JrDirector1,436,745IndirectMay 28, 20240
Harwin Peter EvanDirector, 10% Owner2,762,837IndirectJan 24, 20240
Avidity Partners Management LPDirector2,717,554IndirectJan 24, 20240
Meng LeiDirector2,717,554IndirectJan 24, 20240
Avidity Partners Management (GP) LLCDirector2,717,554IndirectJan 24, 20240
Gregory Michael DavidDirector2,717,554IndirectJan 24, 20240
Witzke David RoyDirector2,717,554IndirectJan 24, 20240
TRV GP IV, LLC10% Owner3,058,204Feb 9, 20230
Third Rock Ventures GP IV, L.P.10% Owner3,058,204Feb 9, 20230
Third Rock Ventures IV, L.P.10% Owner3,058,204Feb 9, 20230
Gardner JasonSee Remarks292,872Dec 2, 20220
Beetham Thomas W.See Remarks19,897Dec 2, 20220
Mahoney Stephen F.See Remarks17,264Dec 2, 20220
Stants KristenChief People Officer20,264Dec 2, 20220
Deardorf CarenChief Commercial Officer19,762Dec 2, 20220
Vasconcelles MichaelDirector–Aug 17, 20220
Humphrey JeffreyChief Medical Officer–Aug 1, 20220
Olson LisaSee Remarks14,264Aug 1, 20220
Nichols David WayneChief Technical Officer14,306Aug 1, 20220
Ronneberg Amy LDirector–Jun 30, 20220
Booth BruceDirector–Jun 30, 20220
Daniel Thomas ODirector–Jun 30, 20220
Albers Jeffrey W.Director–Jun 30, 20220
Scadden DavidDirector–Jun 30, 20220
Borisy AlexisDirector4,100Sep 23, 20210

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 18, 2026 (view filing)4:36 PM ETSep 171 dayCarr EdwardCHIEF ACCOUNTING OFFICERSSale−20.0K$101.38−$2.03M−100.0%0 after5 lots10b5-1
Sep 3, 2026 (view filing)4:30 PM ETSep 12 daysRandhawa SimratEVP, Head of R&DSSale−23.1K$106.41−$2.46M−85.3%4.00K after3 lots10b5-1
Aug 19, 2026 (view filing)6:02 PM ETAug 19Same dayRead SimonDirectorSSale−2.78K$117.55−$326.6K−100.0%0 after10b5-1
Aug 11, 2026 (view filing)5:15 PM ETAug 101 dayMcGeorge AnneDirectorSSale−7.75K$109.01−$844.8K−100.0%0 after5 lots10b5-1
Aug 11, 2026 (view filing)5:10 PM ETAug 101 dayRead SimonDirectorSSale−2.78K$109.55−$304.2K−100.0%0 after6 lots10b5-1
Aug 11, 2026 (view filing)5:08 PM ETAug 7-104 daysVeness Adam MSVP, General Counsel and Sec.SSale−20.0K$110.44−$2.21M−100.0%0 after3 lots10b5-1
Aug 7, 2026 (view filing)6:30 PM ETAug 7Same dayGarcia MarinoCEO AND PRESIDENTSSale−166.0K$108.11−$17.9M−71.8%65.3K after7 lots10b5-1
Jul 13, 2026 (view filing)5:00 PM ETJul 94 daysSavitz RyanEVP, CFO & CBOSSale−31.2K$101.03−$3.16M−100.0%0 after3 lots10b5-1
Jun 18, 2026 (view filing)Jun 171 dayVeness Adam MSVP, General Counsel and Sec.SSale−30.0K$80.80−$2.42M−100.0%0 after2 lots10b5-1
Jun 2, 2026 (view filing)Jun 11 dayRandhawa SimratEVP, Head of R&DSSale−26.5K$90.62−$2.40M−86.9%4.00K after3 lots10b5-1
May 11, 2026 (view filing)May 83 daysSoteropoulos PaulaDirectorSSale−599$85.47−$51.2K−100.0%0 after10b5-1
Apr 10, 2026 (view filing)Apr 91 daySavitz RyanEVP, CFO & CBOSSale−8.22K$89.84−$738.8K−100.0%0 after10b5-1
Apr 1, 2026 (view filing)Mar 311 daySavitz RyanEVP, CFO & CBOSSale−114.4K$83.00−$9.49M−100.0%0 after8 lots10b5-1
Apr 1, 2026 (view filing)Mar 311 daySoteropoulos PaulaDirectorSSale−599$80.11−$48.0K−100.0%0 after10b5-1
Mar 26, 2026 (view filing)Mar 242 daysSoteropoulos PaulaDirectorSSale−27.6K$78.05−$2.15M−100.0%0 after10b5-1
Mar 13, 2026 (view filing)Mar 121 dayRandhawa SimratEVP, Head of R&DSSale−33.8K$81.48−$2.76M−100.0%0 after10b5-1
Mar 13, 2026 (view filing)Mar 121 dayGarcia MarinoCEO AND PRESIDENTSSale−122.9K$81.49−$10.0M−100.0%0 after5 lots10b5-1
Mar 13, 2026 (view filing)Mar 121 dayCarr EdwardCHIEF ACCOUNTING OFFICERSSale−43.7K$81.49−$3.56M−100.0%0 after5 lots10b5-1
Dec 5, 2025 (view filing)Dec 41 daySavitz RyanCFO & CBOSSale−20.0K$45.18−$903.6K−100.0%0 after10b5-1
Nov 14, 2025 (view filing)Nov 13-141 dayRandhawa SimratEVP, Head of R&DSSale−196.5K$37.55−$7.38M−98.0%4.00K after4 lots10b5-1
Sep 11, 2025 (view filing)Sep 92 daysSavitz RyanCFO & CBOSSale−20.0K$35.00−$700.0K−100.0%0 after10b5-1
Oct 3, 2023 (view filing)4:00 PM ETSep 294 daysHarwin Peter Evan and 2 othersDirector, 10% OwnerPPurchase+24.7K$13.63+$336.3K+1.3%1.93M after
Sep 28, 2023 (view filing)5:09 PM ETSep 262 daysHarwin Peter Evan and 2 othersDirector, 10% OwnerPPurchase+30.0K$13.15+$394.5K+1.6%1.90M after
Sep 25, 2023 (view filing)Sep 21-224 daysRandhawa SimratChief Medical OfficerPPurchase+4.00K$13.20+$52.8KNew position4.00K after2 lots
Sep 21, 2023 (view filing)4:23 PM ETSep 192 daysHarwin Peter Evan and 2 othersDirector, 10% OwnerPPurchase+30.0K$13.20+$396.0K+1.6%1.87M after
Sep 13, 2023 (view filing)9:17 PM ETSep 12-131 dayHarwin Peter Evan and 2 othersDirector, 10% OwnerPPurchase+24.3K$11.20+$271.7K+1.3%1.84M after2 lots
Feb 9, 2023 (view filing)4:30 PM ETFeb 7-82 daysTRV GP IV, LLC and 2 others10% OwnerSSale−3.70M$0.8259−$3.06M−54.7%3.06M after2 lots
Sep 20, 2021 (view filing)Sep 164 daysStants KristenChief People OfficerSSale−5.74K$6.73−$38.6K−28.7%14.3K after
Sep 20, 2021 (view filing)Sep 164 daysMahoney Stephen F.See RemarksSSale−5.74K$6.73−$38.6K−28.7%14.3K after
Sep 20, 2021 (view filing)Sep 164 daysDeardorf CarenChief Commercial OfficerSSale−6.24K$6.73−$42.0K−31.2%13.8K after
Sep 20, 2021 (view filing)Sep 164 daysGardner JasonSee RemarksSSale−14.3K$6.73−$96.5K−4.8%286.9K after
Sep 20, 2021 (view filing)Sep 164 daysBeetham Thomas W.See RemarksSSale−6.10K$6.73−$41.1K−30.5%13.9K after
Sep 20, 2021 (view filing)Sep 164 daysOlson LisaSee RemarksSSale−5.74K$6.73−$38.6K−28.7%14.3K after
Sep 20, 2021 (view filing)Sep 164 daysNichols David WayneChief Technical OfficerSSale−5.69K$6.73−$38.3K−28.5%14.3K after