MeiraGTx officer vests 37,500 share units

MeiraGTx Holdings plc’s Chief Development Officer Stuart Naylor reported routine equity award activity involving restricted share units and ordinary shares.

Rhea-AI Filing Summary

MeiraGTx Holdings plc’s Chief Development Officer Stuart Naylor reported routine equity award activity involving restricted share units and ordinary shares. On January 7, 2026, 37,500 restricted share units vested and converted into the same number of ordinary shares, reflecting one-quarter of an award granted on January 7, 2022. Each restricted share unit converts into one ordinary share upon vesting. To cover tax withholding on this vesting, 17,625 ordinary shares were withheld at a price of $7.73 per share. After these transactions, Naylor directly held 643,166 ordinary shares of MeiraGTx Holdings plc.

Insider Trade Summary

37,500 shares exercised/converted

Exercise 3 txns

Insider Naylor Stuart

Role CHIEF DEV. OFFICER

Type	Security	Shares	Price	Value
Exercise	Restricted Share Units	37,500	$0.00	$0.00
Exercise	Ordinary Shares	37,500	$0.00	$0.00
Exercise Price or Tax Liability	Ordinary Shares	17,625	$7.73	$136K

Holdings After Transaction: Restricted Share Units — 0 contracts (Direct); Ordinary Shares — 643,166 shares (Direct)

Footnotes (3)

1. F1. Represents vesting of one-quarter of restricted share units granted on January 7, 2022.
2. F2. Each restricted share unit converts into one ordinary share upon vesting.
3. F3. Shares withheld for payment of taxes upon vesting of award.

FAQ

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What insider activity did MeiraGTx (MGTX) report for January 7, 2026?

On January 7, 2026, MeiraGTx’s Chief Development Officer Stuart Naylor had 37,500 restricted share units vest and convert into 37,500 ordinary shares, with a portion of shares withheld to cover taxes.

How many MeiraGTx (MGTX) restricted share units vested for the officer?

A total of 37,500 restricted share units vested on January 7, 2026, representing one-quarter of the units granted on January 7, 2022, and each unit converted into one ordinary share.

How were taxes handled on the MeiraGTx (MGTX) award vesting?

To pay taxes on the vesting, 17,625 ordinary shares were withheld at a price of $7.73 per share, as disclosed in the Form 4 footnotes.

How many MeiraGTx (MGTX) shares does the officer own after these transactions?

Following the Form 4 transactions on January 7, 2026, Stuart Naylor directly beneficially owned 643,166 ordinary shares of MeiraGTx Holdings plc.

What do the MeiraGTx (MGTX) restricted share unit footnotes explain?

The footnotes state that the transaction represents vesting of one-quarter of restricted share units granted on January 7, 2022, that each restricted share unit converts into one ordinary share upon vesting, and that certain shares were withheld to pay taxes.

What position does the reporting person hold at MeiraGTx (MGTX)?

The reporting person, Stuart Naylor, is disclosed as an officer of MeiraGTx Holdings plc with the title Chief Development Officer.

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Accepted by SEC EDGAR 01/08/2026 - 09:00 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Naylor Stuart

(Last) (First) (Middle)

655 THIRD AVENUE

SUITE 1115

(Street)

NEW YORK NY 10017

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
MeiraGTx Holdings plc [ MGTX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CHIEF DEV. OFFICER

3. Date of Earliest Transaction (Month/Day/Year)
01/07/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Ordinary Shares	01/07/2026		M		37,500(1)	A	(2)	660,791	D
Ordinary Shares	01/07/2026		F		17,625(3)	D	$7.73	643,166	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Share Units	(2)	01/07/2026		M			37,500	(1)	(1)	Ordinary Shares	37,500	$0	0	D

Explanation of Responses:

1. Represents vesting of one-quarter of restricted share units granted on January 7, 2022.

2. Each restricted share unit converts into one ordinary share upon vesting.

3. Shares withheld for payment of taxes upon vesting of award.

	/s/ Richard Giroux, Attorney-in-fact for Stuart Naylor	01/08/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.