MGTX
MeiraGTx Holdings plc
NASDAQ · Healthcare · Biotechnology · US
$9.45
+1.83%0
Insider buys (3m)
2
Insider sells (3m)
-$1.2M
Net value (3m)
-22.7%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Oct 6, 2026 | Naylor Stuart · officer: CHIEF SCI OFCR, OPHTHALMOLOGY | Sale | 27,659 | $11 |
| Sep 24, 2026 | SEBULSKY ALAN · director | A-Award | 100,000 | $0.00 |
| Aug 18, 2026 | Forbes Alexandria · director, officer: PRESIDENT & CEO | Sale | 62,000 | $14 |
| Jul 21, 2026 | Giroux Richard · officer: CFO & COO | Sale | 56,000 | $13 |
| Jul 7, 2026 | Naylor Stuart · officer: CHIEF SCI OFCR, OPHTHALMOLOGY | Sale | 2,547 | $14 |
| Jul 7, 2026 | Naylor Stuart · officer: CHIEF SCI OFCR, OPHTHALMOLOGY | Sale | 25,112 | $15 |
| Jun 29, 2026 | Wollin Robert J · officer: GENERAL COUNSEL AND SECRETARY | A-Award | 100,000 | $0.00 |
| Jun 29, 2026 | Forbes Alexandria · director, officer: PRESIDENT & CEO | A-Award | 980,000 | $0.00 |
| Jun 29, 2026 | Giroux Richard · officer: CFO & COO | A-Award | 980,000 | $0.00 |
| Jun 29, 2026 | Naylor Stuart · officer: CHIEF SCI OFCR, OPHTHALMOLOGY | A-Award | 70,000 | $0.00 |
| Jun 29, 2026 | Zeldin Robert K · officer: CHIEF MEDICAL OFFICER | A-Award | 100,000 | $0.00 |
| Jun 15, 2026 | Yu Debra · director | A-Award | 60,000 | $0.00 |
| Jun 15, 2026 | Harris Keith R. · director | A-Award | 106,441 | $0.00 |
| Jun 15, 2026 | Hukkelhoven Ellen · director | A-Award | 60,000 | $0.00 |
| Jun 15, 2026 | Mendoza Neil · director | A-Award | 66,641 | $0.00 |
| Jun 15, 2026 | Seligman Nicole · director | A-Award | 60,000 | $0.00 |
| Jun 15, 2026 | SHENK THOMAS E · director | A-Award | 69,662 | $0.00 |
| Jun 15, 2026 | PERCEPTIVE ADVISORS LLC · director, 10 percent owner: | A-Award | 60,000 | $0.00 |
| Jun 10, 2026 | Harris Keith R. · director | M-Exempt | 75,000 | $0.00 |
| May 19, 2026 | Forbes Alexandria · director, officer: PRESIDENT & CEO | Sale | 62,000 | $9.17 |
| May 14, 2026 | Fleck Penny Renee · officer: CHIEF DEVELOPMENT OFFICER | A-Award | 100,000 | $9.97 |
| Apr 28, 2026 | Zeldin Robert K · officer: CHIEF MEDICAL OFFICER | F-InKind | 7,814 | $7.73 |
| Apr 23, 2026 | PERCEPTIVE ADVISORS LLC · director, 10 percent owner: | A-Award | 400,000 | $15 |
| Apr 23, 2026 | PERCEPTIVE ADVISORS LLC · director, 10 percent owner: | A-Award | 300,000 | $20 |
| Apr 23, 2026 | PERCEPTIVE ADVISORS LLC · director, 10 percent owner: | A-Award | 555,555 | $9.00 |
| Apr 21, 2026 | Giroux Richard · officer: CFO & COO | Sale | 56,000 | $10 |
| Apr 7, 2026 | Naylor Stuart · officer: CHIEF DEV. OFFICER | Sale | 27,661 | $9.36 |
| Mar 24, 2026 | Forbes Alexandria · director, officer: PRESIDENT & CEO | Sale | 62,000 | $7.41 |
| Feb 23, 2026 | Zeldin Robert K · officer: CHIEF MEDICAL OFFICER | F-InKind | 2,952 | $7.45 |
| Feb 23, 2026 | Zeldin Robert K · officer: CHIEF MEDICAL OFFICER | M-Exempt | 7,500 | $0.00 |
Institutional positioning
13F filings over the trailing two quarters
New 61Increased 126Reduced 67Sold out 13
| Filer | Action | Shares | Filed |
|---|---|---|---|
| Sanofi | Unchanged | 12,197,737 | Jul 28, 2026 |
| SANOFI | Unchanged | 12,197,737 | May 7, 2026 |
| PERCEPTIVE ADVISORS LLC | Increased | 10,786,658 | Aug 14, 2026 |
| PERCEPTIVE ADVISORS LLC | Unchanged | 10,326,103 | May 29, 2026 |
| Rubric Capital Management LP | Increased | 9,100,000 | Aug 14, 2026 |
| RUBRIC CAPITAL MANAGEMENT LP | Increased | 7,000,000 | May 15, 2026 |
| JOHNSON & JOHNSON | Unchanged | 6,641,064 | Aug 6, 2026 |
| JOHNSON & JOHNSON | Reduced | 6,641,064 | May 13, 2026 |
| BlackRock, Inc. | Increased | 4,757,178 | Aug 7, 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | Increased | 4,400,000 | Aug 14, 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | Unchanged | 4,000,000 | May 15, 2026 |
| Opaleye Management Inc. | Increased | 3,550,000 | Aug 14, 2026 |
| MILLENNIUM MANAGEMENT LLC | Increased | 3,465,699 | May 15, 2026 |
| BLACKROCK, INC. | Increased | 3,168,148 | May 13, 2026 |
| MILLENNIUM MANAGEMENT LLC | Reduced | 2,971,752 | Aug 14, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Oct 6, 2026