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Company profile

MeiraGTx Holdings plc Insider Trading

MGTX

Every SEC Form 4 insider trading filing for MeiraGTx Holdings plc (MGTX) since April 2023: open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?

Exchange
Nasdaq
Sector
Biological Products, (No Diagnostic Substances)
CIK
0001735438
Filings
113
Insiders
17
Last filing
2026-08-18
SEC EDGAR ↗Yahoo Finance ↗Finviz ↗Stock Analysis ↗

Activity summary

No insider transactions in the last 30 days. The most recent was on August 18, 2026, when Alexandria Forbes sold 62,000 shares. 113 filings from 17 insiders are on record below.

Three year balance

Buy and sell value by quarter, Q4 23 to Q3 26. MeiraGTx Holdings plc insiders are net sellers across the period shown.

PurchasesSales
Q4 23Q1 24Q2 24Q3 24Q4 24Q1 25Q2 25Q3 25$18.8MQ4 25Q1 26Q2 26Q3 26

Bars below the rule are sales, above are purchases. Largest quarter on the chart is $18.8M.

90 day insight

Over the last 90 days, MeiraGTx Holdings plc insiders filed 4 Form 4 transactions, none of which were open-market purchases or sales.

  • Most active insider: Stuart Naylor with 2 transactions totaling $409K.
  • Largest single sale: $859K by Alexandria Forbes on Aug 18, 2026.
  • 100% of recent sales were pre-scheduled 10b5-1 trades, typically less informative than open-market activity.

Activity skews bullish: buys outpace sales.

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValueReturn
Aug 18, 2026Alexandria ForbesMGTX
Sale10b5
62,000$13.86$859K-6.3% 1m
Jul 21, 2026Richard GirouxMGTX
Sale10b5
56,000$12.51$701K+16.0% 1m
Jul 7, 2026Stuart NaylorMGTX
Sale10b5
2,547$13.86$35K-15.6% 1m
Jul 7, 2026Stuart NaylorMGTX
Sale10b5
25,112$14.90$374K-15.6% 1m
Jun 25, 2026Alexandria ForbesMGTX
Award
980,000——-7.3% 1m

45 more transactions hidden

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Top insiders

By total value filed.

PERCEPTIVE ADVISORS LLC1 filing+$5.0M
Alexandria ForbesPRESIDENT & CEO5 filings−$3.3M
Richard GirouxCFO & COO4 filings−$2.7M
Stuart NaylorCHIEF SCI OFCR, OPHTHALMOLOGY4 filings−$756K
Robert J WollinGENERAL COUNSEL AND SECRETARY1 filing−$44K
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Form4API, StockholmNot affiliated with the SEC or EDGAR. Data sourced from public EDGAR filings. Not investment advice.

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