MeiraGTx officer proposes $294K share sale

The notice traces the proposed shares to restricted-stock vesting recorded in January 2023.

Rhea-AI Filing Summary

MeiraGTx Holdings plc (MGTX) officer Stuart Naylor reported a proposed sale of 27,659 ordinary shares through Fidelity Brokerage Services LLC. The notice gives an aggregate market value of $294,320.64, an approximate sale date of October 6, 2026, and NASDAQ as the exchange. The shares are listed as arising from restricted stock vesting on January 8 and January 14, 2023. Naylor also reported selling 27,659 ordinary shares on July 7, 2026, with a stated value of $409,558.89.

Key Figures

Proposed sale: 27,659 ordinary shares Aggregate market value: $294,320.64 Shares sold: 27,659 ordinary shares +1 more

4 metrics

Proposed sale 27,659 ordinary shares Approximate sale date: October 6, 2026

Aggregate market value $294,320.64 Proposed sale

Shares sold 27,659 ordinary shares Sale reported for July 7, 2026

Stated value $409,558.89 Sale reported for July 7, 2026

Key Terms

Rule 144, Restricted Stock Vesting, attorney-in-fact

3 terms

Rule 144 regulatory

"paragraph (e) of Rule 144"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Restricted Stock Vesting financial

"Restricted Stock Vesting"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

attorney-in-fact regulatory

"as attorney-in-fact for Stuart Naylor"

An attorney-in-fact is the person or entity given legal authority through a power of attorney to act on behalf of another for specific tasks, such as signing documents, voting shares, or handling transactions. For investors, this matters because it lets a trusted representative make timely decisions or complete paperwork when the owner cannot, much like handing keys to someone to run errands on your behalf—so checks on scope and limits of that authority are important.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many MGTX shares does Stuart Naylor propose to sell?

Stuart Naylor, identified as an officer, reported a proposed sale of 27,659 MeiraGTx ordinary shares, with an aggregate market value of $294,320.64. The notice lists October 6, 2026, as the approximate sale date and Fidelity Brokerage Services LLC as the broker.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/06/2026 - 04:20 PM Accepted by SEC EDGAR 10/06/2026 - 04:20 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001742771
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	MeiraGTx Holdings plc
SEC File Number	001-38520
Address of Issuer	655 THIRD AVENUE SUITE 1115 NEW YORK NEW YORK 10017
Phone	646-860-7985
Name of Person for Whose Account the Securities are To Be Sold	Naylor Stuart
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Ordinary Shares	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	27659	294320.64	96042996	10/06/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Ordinary Shares	01/08/2023	Restricted Stock Vesting	Issuer			8280	01/08/2023	Compensation
Ordinary Shares	01/14/2023	Restricted Stock Vesting	Issuer			19379	01/14/2023	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Stuart Naylor 655 Third Avenue Suite 1115 New York NY 10017	Ordinary Shares	07/07/2026	27659	409558.89

144: Remarks and Signature

Remarks
Date of Notice	10/06/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	12/09/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Jennifer Ruchti, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Stuart Naylor
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)