Key facts
- This page summarizes Stuart Naylor's Form 4 filing for MeiraGTx Holdings plc (MGTX).
- 3 reported transactions and 1 derivative row are listed below.
- Accepted by SEC: 08 Jan 2026, 21:00.
Stuart Naylor - 07 Jan 2026 Form 4 Insider Report for MeiraGTx Holdings plc (MGTX)
- Reporting relationship
- CHIEF DEV. OFFICER
- Issuer ticker
- MGTX
- Reported as of
- 07 Jan 2026
- Net transaction value
- -$136,241
- SEC form
- 4
- Accepted by SEC
- 08 Jan 2026, 21:00:30 UTC
- Prior SEC filing
- 07 Apr 2025
- Next SEC filing
- 21 Jan 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Richard Giroux, Attorney-in-fact for Stuart Naylor
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Stuart Naylor filed Form 4 for MeiraGTx Holdings plc (MGTX) on 08 Jan 2026.
Change
- Previous filing in this sequence was filed on 07 Apr 2025.
- Current net transaction value: -$136,241.
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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
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
- 08 Jan 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
MGTX
transaction
Ordinary Shares
Options Exercise
- Transaction value
- Shares
- +37,500
- Change %
- +6%
- Price
- Shares after
- 660,791
- Date
- 07 Jan 2026
- Ownership
- Direct
- Footnotes
- F1, F2
MGTX
transaction
Ordinary Shares
Tax liability
- Transaction value
- $136,241
- Shares
- -17,625
- Change %
- -2.7%
- Price
- $7.73
- Shares after
- 643,166
- Date
- 07 Jan 2026
- Ownership
- Direct
- Footnotes
- F3
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
MGTX
transaction
Derivative
Restricted Share Units
Options Exercise
- Transaction value
- $0
- Shares
- -37,500
- Change %
- -100%
- Price
- $0.000000
- Shares after
- 0
- Date
- 07 Jan 2026
- Ownership
- Direct
- Underlying class
- Ordinary Shares
- Underlying amount
- 37,500
- Exercise price
- Footnotes
- F1, F2
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 3 footnotes
Footnote F1
Represents vesting of one-quarter of restricted share units granted on January 7, 2022.
Footnote F2
Each restricted share unit converts into one ordinary share upon vesting.
Footnote F3
Shares withheld for payment of taxes upon vesting of award.