Form4insider filings, from the source

Company · CIK 0001735438 · SIC 2836 — Biological Products, (No Diagnostic Substances) · Nasdaq

MeiraGTx Holdings plc · MGTX

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

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $2.0M · 3net −$2.0M
$10k$10k$100k$100k$1M$1MbuyssalesSep 2024Jan 2025May 2025Sep 2025Jan 2026May 2026Sep 2026

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 18, 2026 SForm 4 →Aug 18, 9:03 pm EDTAlexandria ForbesPRESIDENT & CEO, Director62,000$13.86$859,3201,325,695−4.47%10b5-1
Jul 21, 2026 SForm 4 →Jul 21, 9:12 pm EDTRichard GirouxCFO & COO56,000$12.51$700,560908,530−5.81%10b5-1
Jul 7, 2026 SForm 4 →Jul 7, 9:05 pm EDTStuart NaylorCHIEF SCI OFCR, OPHTHALMOLOGY27,659$14.80$409,470640,846−4.14%10b5-1
Jun 10, 2026 MForm 4 →Jun 10, 8:01 pm EDTKeith R. HarrisDirector75,000——200,000—

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

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 23, 2026 AForm 4 →Sep 24, 9:05 pm EDTAlan SebulskyDirector100,000——100,000—
Jun 25, 2026 AForm 4 →Jun 29, 9:19 pm EDTRobert K ZeldinCHIEF MEDICAL OFFICER100,000——100,000—
Jun 25, 2026 AForm 4 →Jun 29, 9:18 pm EDTRobert J WollinGENERAL COUNSEL AND SECRETARY100,000——100,000—
Jun 25, 2026 AForm 4 →Jun 29, 9:17 pm EDTStuart NaylorCHIEF SCI OFCR, OPHTHALMOLOGY70,000——70,000—
Jun 25, 2026 AForm 4 →Jun 29, 9:17 pm EDTRichard GirouxCFO & COO980,000——980,000—
Jun 25, 2026 AForm 4 →Jun 29, 9:16 pm EDTAlexandria ForbesPRESIDENT & CEO, Director980,000——980,000—
Jun 11, 2026 AForm 4 →Jun 15, 8:56 pm EDTDebra YuDirector60,000——60,000—
Jun 11, 2026 AForm 4 →Jun 15, 8:55 pm EDTThomas E ShenkDirector69,662——69,662—
Jun 11, 2026 AForm 4 →Jun 15, 8:55 pm EDTNicole SeligmanDirector60,000——60,000—
Jun 11, 2026 AForm 4 →Jun 15, 8:54 pm EDTNeil MendozaDirector66,641——66,641—
Jun 11, 2026 AForm 4 →Jun 15, 8:53 pm EDTEllen HukkelhovenDirector60,000——60,000—
Jun 11, 2026 AForm 4 →Jun 15, 8:53 pm EDTKeith R. HarrisDirector106,441——106,441—
Jun 11, 2026 AForm 4 →Jun 15, 4:30 pm EDTPERCEPTIVE ADVISORS LLC +2Director, 10% Owner60,000——60,000—
Jun 10, 2026 MForm 4 →Jun 10, 8:01 pm EDTKeith R. HarrisDirector75,000——0—