MeiraGTx Holdings plc (MGTX)
Data as of , from SEC Form 4 filings.
Net insider selling (90d)Watch MGTX
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- Stuart Naylor - OfficerOpen-market sale$294K
Alexandria Forbes - OfficerOpen-market sale$859K
About MeiraGTx Holdings plc (MGTX)
MeiraGTx Holdings plc files with the SEC under CIK 0001735438 and is classified as biological products (no diagnostic substances). We track it alongside the rest of the Health Care sector.
MGTX Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 3 | 145,659 | $1.85M |
| Grant or award | 1 | 100,000 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
MGTX insider transactions (Form 4)
4250 Form 4 filings on record, the earliest from Jun 12, 2025, newest first. Filing history page 2 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Alexandria Forbes - Officer | Option exercise | Ordinary Shares | 62,500 footnote F1 | - footnote F2 | - | |
| Alexandria Forbes - Officer | Tax withholding / forfeiture | Ordinary Shares | 33,048 footnote F3 | $7.45 | $246K | |
| Alexandria Forbes - Officer | Option exercise | Restricted Share Units | 62,500 | $0.00 | - | |
| ||||||
| Robert K. Zeldin - Officer | Option exercise | Ordinary Shares | 35,000 footnote F1 | - footnote F2 | - | |
| Robert K. Zeldin - Officer | Tax withholding / forfeiture | Ordinary Shares | 13,951 footnote F3 | $7.42 | $104K | |
| Robert K. Zeldin - Officer | Option exercise | Restricted Share Units | 35,000 | $0.00 | - | |
| ||||||
| Robert J. Wollin - Officer | Option exercise | Ordinary Shares | 50,000 footnote F1 | - footnote F2 | - | |
| Robert J. Wollin - Officer | Tax withholding / forfeiture | Ordinary Shares | 27,206 footnote F3 | $7.42 | $202K | |
| Robert J. Wollin - Officer | Option exercise | Restricted Share Units | 50,000 | $0.00 | - | |
| ||||||
| Stuart Naylor - Officer | Option exercise | Ordinary Shares | 75,000 footnote F1 | - footnote F2 | - | |
| Stuart Naylor - Officer | Tax withholding / forfeiture | Ordinary Shares | 35,250 footnote F3 | $7.42 | $262K | |
| Stuart Naylor - Officer | Option exercise | Restricted Share Units | 75,000 | $0.00 | - | |
| ||||||
| Richard Giroux - Officer | Option exercise | Ordinary Shares | 310,000 footnote F1 | - footnote F2 | - | |
| Richard Giroux - Officer | Tax withholding / forfeiture | Ordinary Shares | 163,916 footnote F3 | $7.42 | $1.22M | |
| Richard Giroux - Officer | Option exercise | Restricted Share Units | 310,000 | $0.00 | - | |
| ||||||
| Alexandria Forbes - Officer | Option exercise | Ordinary Shares | 310,000 footnote F1 | - footnote F2 | - | |
| Alexandria Forbes - Officer | Tax withholding / forfeiture | Ordinary Shares | 163,916 footnote F3 | $7.42 | $1.22M | |
| Alexandria Forbes - Officer | Option exercise | Restricted Share Units | 310,000 | $0.00 | - | |
| ||||||
| Robert K. Zeldin - Officer | Option exercise | Ordinary Shares | 17,500 footnote F1 | - footnote F2 | - | |
| Robert K. Zeldin - Officer | Tax withholding / forfeiture | Ordinary Shares | 6,729 footnote F3 | $7.73 | $52K | |
| Robert K. Zeldin - Officer | Option exercise | Restricted Share Units | 17,500 | $0.00 | - | |
| ||||||
| Robert J. Wollin - Officer | Option exercise | Ordinary Shares | 7,500 footnote F1 | - footnote F2 | - | |
| Robert J. Wollin - Officer | Tax withholding / forfeiture | Ordinary Shares | 4,364 footnote F3 | $7.73 | $34K | |
| Robert J. Wollin - Officer | Option exercise | Restricted Share Units | 7,500 | $0.00 | - | |
| ||||||
| Stuart Naylor - Officer | Option exercise | Ordinary Shares | 37,500 footnote F1 | - footnote F2 | - | |
| Stuart Naylor - Officer | Tax withholding / forfeiture | Ordinary Shares | 17,625 footnote F3 | $7.73 | $136K | |
| Stuart Naylor - Officer | Option exercise | Restricted Share Units | 37,500 | $0.00 | - | |
| ||||||
| Richard Giroux - Officer | Option exercise | Ordinary Shares | 52,500 footnote F1 | - footnote F2 | - | |
| Richard Giroux - Officer | Tax withholding / forfeiture | Ordinary Shares | 28,822 footnote F3 | $7.73 | $223K | |
| Richard Giroux - Officer | Option exercise | Restricted Share Units | 52,500 | $0.00 | - | |
| ||||||
| Alexandria Forbes - Officer | Option exercise | Ordinary Shares | 62,500 footnote F1 | - footnote F2 | - | |
| Alexandria Forbes - Officer | Tax withholding / forfeiture | Ordinary Shares | 34,074 footnote F3 | $7.73 | $263K | |
| Alexandria Forbes - Officer | Option exercise | Restricted Share Units | 62,500 | $0.00 | - | |
| ||||||
| PERCEPTIVE ADVISORS LLC | Derivative | Ordinary Shares | 2,300,000 | $7.91 | $18.19M | |
| Robert J. Wollin - Officer | Gift | Ordinary Shares | 5,000 | $0.00 | - | |
| Richard Giroux - Officer | Open-market sale | Ordinary Shares | 24,000 | $8.87 footnote F2,F3 | $213K | |
| ||||||
| Alexandria Forbes - Officer | Open-market sale | Ordinary Shares | 47,500 | $8.39 footnote F2,F3 | $399K | |
| ||||||
| Richard Giroux - Officer | Open-market sale | Ordinary Shares | 24,000 | $8.52 | $204K | |
| Alexandria Forbes - Officer | Open-market sale | Ordinary Shares | 47,500 | $7.97 | $379K | |
| Richard Giroux - Officer | Gift | Ordinary Shares | 5,000 | $0.00 | - | |
| Thomas E. Shenk | Grant or award | Restricted Share Units | 45,000 | $0.00 | - | |
| PERCEPTIVE ADVISORS LLC - Director | Grant or award | Restricted Share Units | 45,000 | $0.00 | - | |
Item 5.02, 7.01, 9.01
Item 2.02, 9.01
Item 1.01, 1.02, 2.03, 3.02, 7.01, 9.01
Item 5.07
Recent MGTX Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| Naylor Stuart | Officer | 27,659 | $294K | View on EDGAR | |
| Alexandria Forbes | Officer, Director | 62,000 |
MGTX insider trading FAQ
What is the latest insider trade for MGTX?
MeiraGTx Holdings plc (MGTX) had 4 insider filings in the last 90 days, with the most recent on 2026-10-07. The full record for MGTX runs to 50 Form 4 filings, the earliest from 2025-06-12. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying MGTX stock?
No insider purchases of MGTX were filed in the last 90 days.
How many insiders are selling MGTX stock?
3 insider sales of MGTX were filed in the last 90 days, totaling $1.85M.
Where can I see MGTX SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects MGTX Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Health Care companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Stuart Naylor view on EDGAR
- - Alan Sebulsky view on EDGAR
- - Alexandria Forbes view on EDGAR
- - Richard Giroux view on EDGAR
- - Stuart Naylor view on EDGAR
- - Robert K. Zeldin view on EDGAR
- - Robert J. Wollin view on EDGAR
- - Stuart Naylor view on EDGAR
- - Richard Giroux view on EDGAR
Related companies with recent insider activity
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Health Care
- Where MGTX's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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