Stuart Naylor - 07 Apr 2026 Form 4 Insider Report for MeiraGTx Holdings plc (MGTX)

Reporting relationship: CHIEF DEV. OFFICER
Issuer ticker: MGTX
Reported as of: 07 Apr 2026
Net transaction value: -$258,907
SEC form: 4
Accepted by SEC: 07 Apr 2026, 20:57:40 UTC
Prior SEC filing: 23 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Richard Giroux, Attorney-in-fact for Stuart Naylor

Key filing fact

Stuart Naylor filed Form 4 for MeiraGTx Holdings plc (MGTX) on 07 Apr 2026.

Key facts

This page summarizes Stuart Naylor's Form 4 filing for MeiraGTx Holdings plc (MGTX).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 07 Apr 2026, 20:57.

Change

Previous filing in this sequence was filed on 23 Feb 2026.
Current net transaction value: -$258,907.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001742771 Primary reporting owner

Naylor Stuart

Relationship: CHIEF DEV. OFFICER
Address: 655 THIRD AVENUE, SUITE 1115, NEW YORK
Signature: /s/ Richard Giroux, Attorney-in-fact for Stuart Naylor
Signature date: 07 Apr 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MGTX transaction

Ordinary Shares

Sale

Transaction value: $258,907
Shares: -27,661
Change %: -4%
Price: $9.36
Shares after: 668,505
Date: 07 Apr 2026
Ownership: Direct
Footnotes: F1, F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 3 footnotes

Footnote F1

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 9, 2025.

Footnote F2

The price reported reflects the weighted average sales price. The shares were sold in multiple transactions at prices ranging from $9.11 to $9.52, inclusive.

Footnote F3

The reporting person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price.