MeiraGTx (MGTX) CFO & COO reports 310,000 RSUs vesting, tax shares withheld

Rhea-AI Filing Summary

MeiraGTx Holdings plc officer reports RSU vesting and related share withholding. On January 17, 2026, CFO & COO Richard Giroux had 310,000 restricted share units vest, each converting into one ordinary share at an exercise price of $0. In a separate transaction the same day, 163,916 ordinary shares were disposed of at $7.42 per share to cover taxes due upon vesting. Following these transactions, Giroux directly beneficially owned 999,256 ordinary shares, with additional indirect holdings of 5,152 shares through a spouse and 85,000 shares through Aigle Healthcare Partners III LLC.

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

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

X

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^*

Giroux Richard

(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)
	CFO & COO

3. Date of Earliest Transaction (Month/Day/Year)
01/17/2026

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	01/17/2026		M		310,000(1)	A	(2)	1,163,172	D
Ordinary Shares	01/17/2026		F		163,916(3)	D	$7.42	999,256	D
Ordinary Shares								5,152	I	By Spouse
Ordinary Shares								85,000	I	By Aigle Healthcare Partners III LLC

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)	01/17/2026		M			310,000	(1)	(1)	Ordinary Shares	310,000	$0	310,000	D

Explanation of Responses:

1. Represents vesting of one-half of restricted share units granted on January 17, 2024.

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	01/21/2026
	** 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).
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FAQ

What insider transaction did MeiraGTx (MGTX) report in this Form 4?

The filing shows CFO & COO Richard Giroux had 310,000 restricted share units vest and convert into ordinary shares on January 17, 2026, with related share withholding for taxes.

What does the 310,000 restricted share unit transaction mean for MGTX?

The 310,000 restricted share units represented one-half of an award granted on January 17, 2024. Upon vesting, each unit converted into one ordinary share at an exercise price of $0.

Why were 163,916 MeiraGTx shares disposed of at $7.42?

The filing explains that the 163,916 ordinary shares disposed of at $7.42 per share were withheld for payment of taxes due upon vesting of the RSU award, reflected under transaction code F.

How many MeiraGTx shares does the CFO & COO own after these transactions?

After the reported transactions, Richard Giroux directly beneficially owned 999,256 ordinary shares. He also had indirect beneficial ownership of 5,152 shares through a spouse and 85,000 shares through Aigle Healthcare Partners III LLC.

What do transaction codes M and F mean in this MeiraGTx Form 4?

In this filing, code M reflects the conversion of restricted share units into ordinary shares. Code F indicates shares withheld to pay taxes upon vesting of the award.

Who is the reporting person in this MeiraGTx (MGTX) insider filing?

The reporting person is Richard Giroux, who serves as CFO & COO of MeiraGTx Holdings plc and is not listed as a director or 10% owner in this form.