MeiraGTx (MGTX) CEO sells 62K shares in preset plan at $13.86

Rhea-AI Filing Summary

MeiraGTx Holdings plc (MGTX) reported an insider transaction by President & CEO Alexandria Forbes. On 2026-08-18, Forbes sold 62,000 Ordinary Shares of MeiraGTx at a weighted average price of $13.86 per share, in multiple trades between $13.59 and $14.00. The sales were executed under a pre-arranged Rule 10b5-1 trading plan adopted on November 18, 2025. After these sales, Forbes directly held 1,325,695 Ordinary Shares of MeiraGTx.

Insider Trade Summary 10b5-1

Net Seller: 62,000 shares

Net Sell 1 txn

Insider Forbes Alexandria

Role PRESIDENT & CEO

Sold 62,000 shs ($859K)

Type	Security	Shares	Price	Value
Sale	Ordinary Shares F1, F2, F3	62,000	$13.86	$859K

Holdings After Transaction: Ordinary Shares — 1,325,695 shares (Direct)

Footnotes (3)

1. F1. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 18, 2025.
2. F2. The price reported reflects the weighted average sales price. The shares were sold in multiple transactions at prices ranging from $13.59 to $14.00, inclusive.
3. 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.

Key Figures

Shares sold: 62,000 Ordinary Shares Weighted average sale price: $13.86 per share Post-transaction holdings: 1,325,695 Ordinary Shares +2 more

5 metrics

Shares sold 62,000 Ordinary Shares Non-derivative sale by CEO Alexandria Forbes on 2026-08-18

Weighted average sale price $13.86 per share Ordinary Shares sold in multiple transactions between $13.59 and $14.00

Post-transaction holdings 1,325,695 Ordinary Shares Direct ownership by Alexandria Forbes following the reported sale

Rule 10b5-1 plan adoption date November 18, 2025 Trading plan under which the reported sales were effected

Price range of trades $13.59–$14.00 per share Range for multiple transactions included in the 62,000-share sale

Key Terms

Rule 10b5-1 trading plan, weighted average sales price, open market or private transaction

3 terms

Rule 10b5-1 trading plan regulatory

"The sales were effected pursuant to a Rule 10b5-1 trading plan adopted"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

weighted average sales price financial

"The price reported reflects the weighted average sales price."

open market or private transaction financial

"Sale in open market or private transaction"

FAQ

What insider transaction did MeiraGTx (MGTX) report for CEO Alexandria Forbes?

MeiraGTx reported that CEO Alexandria Forbes sold 62,000 Ordinary Shares on 2026-08-18. The trades were executed at a weighted average price of $13.86 per share in multiple transactions between $13.59 and $14.00.

How many MeiraGTx (MGTX) shares does CEO Alexandria Forbes hold after the reported sale?

After the reported transaction, Alexandria Forbes directly holds 1,325,695 Ordinary Shares of MeiraGTx. This figure reflects her direct ownership position immediately following the 62,000-share sale on 2026-08-18 disclosed in the Form 4.

At what prices did CEO Alexandria Forbes sell MeiraGTx (MGTX) shares?

Alexandria Forbes sold MeiraGTx shares at prices ranging from $13.59 to $14.00 per share. The Form 4 reports a weighted average sales price of $13.86, with individual trade details available on request from the parties listed.

Was the MeiraGTx (MGTX) insider sale by CEO Alexandria Forbes under a Rule 10b5-1 plan?

Yes. The filing states the sales were effected under a Rule 10b5-1 trading plan adopted by Alexandria Forbes on November 18, 2025. Such plans pre-arrange trades, limiting the informational content of transaction timing.

How many MeiraGTx (MGTX) shares did CEO Alexandria Forbes sell in the latest Form 4?

The Form 4 reports that Alexandria Forbes sold 62,000 Ordinary Shares of MeiraGTx. These shares were sold in open-market or private transactions on 2026-08-18 at a weighted average price of $13.86 per share.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/18/2026 - 09:03 PM Accepted by SEC EDGAR 08/18/2026 - 09:03 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).

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^*

Forbes Alexandria

(Last) (First) (Middle)

655 THIRD AVENUE

SUITE 1115

(Street)

NEW YORK NEW YORK 10017

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	PRESIDENT & CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/18/2026

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

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

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

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	08/18/2026		S(1)		62,000	D	$13.86(2)(3)	1,325,695	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

Explanation of Responses:

1. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 18, 2025.

2. The price reported reflects the weighted average sales price. The shares were sold in multiple transactions at prices ranging from $13.59 to $14.00, inclusive.

3. 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.

	/s/ Richard Giroux, Attorney-in-Fact for Alexandria Forbes	08/18/2026
	** 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.
* Form 4: SEC 1474 (03-26)