Stuart Naylor

CIK: 0001742771

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)4 (22.2%)

Position reduction

Option Exercises (M)6 (33.3%)

Derivative conversions

Awards (A)2 (11.1%)

Compensation grants

Other (G, F, J, C, D, …)6 (33.3%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

MGTX

MeiraGTx Holdings plc

Officer

Discretionary Trading P&L

Holdings

Transaction History (18 total)

MGTX
MeiraGTx Holdings plc
Oct 6, 2026
Sale(S)
Direct
27.7K shares at avg. $10.64$294K
MGTX
MeiraGTx Holdings plc
Jul 7, 2026
Sale(S)
Direct
2.5K shares at avg. $13.86$35K
MGTX
MeiraGTx Holdings plc
Jul 7, 2026
Sale(S)
Direct
25.1K shares at avg. $14.90$374K
MGTX
MeiraGTx Holdings plc
Jun 25, 2026
Award(A)
Restricted Share Units
Direct
70K shares-
MGTX
MeiraGTx Holdings plc
Apr 7, 2026
Sale(S)
Direct
27.7K shares at avg. $9.36$259K
MGTX
MeiraGTx Holdings plc
Feb 21, 2026
Tax Payment(F)
Direct
11.8K shares at avg. $7.45$88K
MGTX
MeiraGTx Holdings plc
Feb 21, 2026
Exercise(M)
Direct
25K shares-
MGTX
MeiraGTx Holdings plc
Jan 17, 2026
Exercise(M)
Direct
75K shares-
MGTX
MeiraGTx Holdings plc
Jan 17, 2026
Tax Payment(F)
Direct
35.3K shares at avg. $7.42$262K
MGTX
MeiraGTx Holdings plc
Jan 7, 2026
Tax Payment(F)
Direct
17.6K shares at avg. $7.73$136K
MGTX
MeiraGTx Holdings plc
Jan 7, 2026
Exercise(M)
Direct
37.5K shares-
MGTX
MeiraGTx Holdings plc
Apr 3, 2025
Award(A)
Restricted Share Units
Direct
100K shares-
MGTX
MeiraGTx Holdings plc
Feb 21, 2025
Exercise(M)
Direct
50K shares-
MGTX
MeiraGTx Holdings plc
Feb 21, 2025
Tax Payment(F)
Direct
23.5K shares at avg. $7.30$172K
MGTX
MeiraGTx Holdings plc
Jan 14, 2025
Tax Payment(F)
Direct
11.2K shares at avg. $5.77$64K
MGTX
MeiraGTx Holdings plc
Jan 14, 2025
Exercise(M)
Direct
23.8K shares-
MGTX
MeiraGTx Holdings plc
Jan 7, 2025
Tax Payment(F)
Direct
17.6K shares at avg. $6.34$112K
MGTX
MeiraGTx Holdings plc
Jan 7, 2025
Exercise(M)
Direct
37.5K shares-

		Type	Shares	Price		Ownership
Oct 6, 2026	MGTX MeiraGTx Holdings plc	Sale(S)	27,659	$10.64	$294,292	Direct
Jul 7, 2026	MGTX MeiraGTx Holdings plc	Sale(S)	2,547	$13.86	$35,301	Direct
Jul 7, 2026	MGTX MeiraGTx Holdings plc	Sale(S)	25,112	$14.90	$374,169	Direct
Jun 25, 2026	MGTX MeiraGTx Holdings plc	Award(A) Restricted Share Units	70,000	-	-	Direct
Apr 7, 2026	MGTX MeiraGTx Holdings plc	Sale(S)	27,661	$9.36	$258,907	Direct
Feb 21, 2026	MGTX MeiraGTx Holdings plc	Tax Payment(F)	11,750	$7.45	$87,538	Direct
Feb 21, 2026	MGTX MeiraGTx Holdings plc	Exercise(M)	25,000	-	$0	Direct
Jan 17, 2026	MGTX MeiraGTx Holdings plc	Exercise(M)	75,000	-	$0	Direct
Jan 17, 2026	MGTX MeiraGTx Holdings plc	Tax Payment(F)	35,250	$7.42	$261,555	Direct
Jan 7, 2026	MGTX MeiraGTx Holdings plc	Tax Payment(F)	17,625	$7.73	$136,241	Direct
Jan 7, 2026	MGTX MeiraGTx Holdings plc	Exercise(M)	37,500	-	$0	Direct
Apr 3, 2025	MGTX MeiraGTx Holdings plc	Award(A) Restricted Share Units	100,000	-	-	Direct
Feb 21, 2025	MGTX MeiraGTx Holdings plc	Exercise(M)	50,000	-	-	Direct
Feb 21, 2025	MGTX MeiraGTx Holdings plc	Tax Payment(F)	23,500	$7.30	$171,550	Direct
Jan 14, 2025	MGTX MeiraGTx Holdings plc	Tax Payment(F)	11,163	$5.77	$64,411	Direct
Jan 14, 2025	MGTX MeiraGTx Holdings plc	Exercise(M)	23,750	-	$0	Direct
Jan 7, 2025	MGTX MeiraGTx Holdings plc	Tax Payment(F)	17,625	$6.34	$111,743	Direct
Jan 7, 2025	MGTX MeiraGTx Holdings plc	Exercise(M)	37,500	-	$0	Direct

1-18 of 18 transactions

About Naylor Stuart

Naylor Stuart (SEC CIK 0001742771) files insider reports with the SEC as CHIEF SCI OFCR, OPHTHALMOLOGY of MeiraGTx Holdings plc (MGTX).

Signal8 holds 11 ownership filings by Naylor Stuart, all Form 4s, filed between Jan 10, 2025 and Oct 6, 2026. Those filings report 18 transactions, from Jan 7, 2025 to Oct 6, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Naylor Stuart's filings is in NEW YORK, NY.

Recent filings by Naylor Stuart

Oct 6, 2026: Open-market sale of MGTX shares (Form 4, code S).
Jul 7, 2026: Open-market sales of MGTX shares (2 lines, Form 4, code S).
Jun 25, 2026: Grant or award of MGTX derivative securities (Form 4, code A).
Apr 7, 2026: Open-market sale of MGTX shares (Form 4, code S).
Feb 21, 2026: Tax withholding of MGTX shares (Form 4, code F).

Other insiders filing for MeiraGTx Holdings plc (MGTX)

Giroux Richard, CFO & COO
SEBULSKY ALAN, Director
Forbes Alexandria, PRESIDENT & CEO
Zeldin Robert K, CHIEF MEDICAL OFFICER
Wollin Robert J, GENERAL COUNSEL AND SECRETARY
Yu Debra, Director

How to read Form 4 transaction codes