MGTX
MeiraGTx Holdings plc · Healthcare · Market cap $911.4M
Insiders sold $1.7M net in the last 90 days ·3 sellers, 0 buyers· 3 of 3 sales under Rule 10b5-1 plans· latest Form 4 filed Oct 21, 2026
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$4.7M
reported sales (SEC code S)
Unique Insiders
3
in the rolling window
Latest filing
Oct 21, 2026
Giroux Richard
MeiraGTx Holdings plc (MGTX) has 31 SEC Form 4 filings (47 transaction rows) in the rolling window, disclosed by 3 distinct insiders. Most recent filing: Oct 21, 2026.
Inside the rolling window, 3 insiders at MeiraGTx Holdings plc reported no open-market purchases and 9 open-market sales totaling $4.7M. The most active filer is CFO & COO Giroux Richard with 3 filings. Insiders have net sold $3.4M over the trailing 6 months. The most recent open-market filing is a sale of 56,000 shares by CFO & COO Giroux Richard, dated Oct 20, 2026, worth $557K.
- Industry:Biotechnology
- CEO:Alexandria Forbes
- Employees:393
- HQ:New York City, NY, US
- IPO:2018-06-08
| Source | |||||||
|---|---|---|---|---|---|---|---|
Giroux RichardFirst in 3 months | CFO & COO | Sale | 56,000 | $557K | Oct 21 | -3.8% | SEC ↗ |
Naylor StuartFirst in 3 months | CHIEF SCI OFCR, OPHTHALMOLOGY | Sale | 27,659 | $294K | Oct 7 | -12.3% | SEC ↗ |
Forbes AlexandriaFirst in 3 months | PRESIDENT & CEO | Sale | 62,000 | $859K | Aug 19 | -36.6% | SEC ↗ |
Giroux RichardFirst in 3 months | CFO & COO | Sale | 56,000 | $701K | Jul 22 | -22.0% | SEC ↗ |
Naylor StuartFirst in 3 months | CHIEF SCI OFCR, OPHTHALMOLOGY | Sale | 27,659 | $409K | Jul 8 | -32.9% | SEC ↗ |
| PRESIDENT & CEO | Sale | 62,000 | $569K | May 20 | -0.9% | SEC ↗ | |
Giroux RichardFirst filing | CFO & COO | Sale | 56,000 | $572K | Apr 21 | -6.7% | SEC ↗ |
Naylor StuartFirst filing | CHIEF DEV. OFFICER | Sale | 27,661 | $259K | Apr 7 | -0.2% | SEC ↗ |
Forbes AlexandriaFirst filing | PRESIDENT & CEO | Sale | 62,000 | $459K | Mar 24 | +28.1% | SEC ↗ |
Earnings: last 7 quarters
Frequently asked questions
How many SEC Form 4 insider filings does MGTX have?
MeiraGTx Holdings plc (MGTX) has 31 SEC Form 4 filings (47 transaction rows) in the rolling 365-day window, disclosed by 3 distinct insiders. Most recent filing: Oct 21, 2026.
When was the most recent SEC Form 4 filing for MGTX?
The most recent Form 4 filing for MGTX on Tracefour is dated Oct 21, 2026.
Who is the most active insider at MGTX?
The most active SEC Form 4 filer at MGTX in the rolling window is CFO & COO Giroux Richard, with 3 filings.
What is the net insider flow at MGTX over the last 6 months?
Over the trailing 180 days, insiders at MGTX have net sold $3.4M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at MGTX in the current window?
Inside the rolling window, insiders at MGTX bought $0 and sold $4.7M based on SEC Form 4 filings.
Can I get alerts for MGTX insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at MeiraGTx Holdings plc (MGTX). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
MeiraGTx Holdings plc is in the Healthcare sector.