MeiraGTx Holdings plc
MGTX- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001735438
In the last 90 days, MeiraGTx Holdings plc insiders filed 0 open-market purchases and 3 sales; 158 institutions reported holding it in 13F filings for Q2 2026, worth $1.07B in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by MeiraGTx Holdings plc insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 3 filings
- 3 insiders, $1.97M in total
- Insiders trading
- 3
- Net value
- −$1.97M
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for MeiraGTx Holdings plc, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Sebulsky Alan | Director | – | Sep 24, 2026 | 1 |
| Forbes Alexandria | PRESIDENT & CEO | 1,325,695 | Aug 18, 2026 | 9 |
| Giroux Richard | CFO & COO | 908,530 | Jul 21, 2026 | 8 |
| Naylor Stuart | CHIEF SCI OFCR, OPHTHALMOLOGY | 640,846 | Jul 7, 2026 | 6 |
| Zeldin Robert K | CHIEF MEDICAL OFFICER | 146,204 | Jun 29, 2026 | 4 |
| Wollin Robert J | GENERAL COUNSEL AND SECRETARY | 57,377 | Jun 29, 2026 | 5 |
| Edelman Joseph | Director, 10% Owner | 10,786,658Indirect | Jun 15, 2026 | 3 |
| Perceptive Advisors LLC | Director, 10% Owner | 10,786,658Indirect | Jun 15, 2026 | 3 |
| Perceptive Life Sciences Master Fund Ltd | Director, 10% Owner | 10,786,658Indirect | Jun 15, 2026 | 3 |
| Shenk Thomas E | Director | – | Jun 15, 2026 | 1 |
| Seligman Nicole | Director | – | Jun 15, 2026 | 1 |
| Mendoza Neil | Director | – | Jun 15, 2026 | 1 |
| Harris Keith R. | Director | 200,000 | Jun 15, 2026 | 2 |
| Hukkelhoven Ellen | Director | – | Jun 15, 2026 | 1 |
| Yu Debra | Director | – | Jun 15, 2026 | 1 |
| Fleck Penny Renee | CHIEF DEVELOPMENT OFFICER | – | May 14, 2026 | 1 |
| Indyk Martin | Director | 35,000 | Jun 6, 2024 | 0 |
| Johnson & Johnson Innovation - JJDC, Inc. | 10% Owner | 0 | Sep 18, 2023 | 0 |
| Levine Arnold J | Director | – | Jun 9, 2022 | 0 |
| Marcus Joel S | Director | – | Jun 9, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 18, 2026 (view filing)9:03 PM ET | Aug 18 | Same day | Forbes AlexandriaPRESIDENT & CEO | SSale | −62.0K | $13.86 | −$859.3K | −4.5%1.33M after | 10b5-1 |
| Jul 21, 2026 (view filing)9:12 PM ET | Jul 21 | Same day | Giroux RichardCFO & COO | SSale | −56.0K | $12.51 | −$700.6K | −5.8%908.5K after | 10b5-1 |
| Jul 7, 2026 (view filing)9:05 PM ET | Jul 7 | Same day | Naylor StuartCHIEF SCI OFCR, OPHTHALMOLOGY | SSale | −27.7K | $14.80 | −$409.5K | −4.1%640.8K after | 2 lots10b5-1 |
| May 19, 2026 (view filing) | May 19 | Same day | Forbes AlexandriaPRESIDENT & CEO | SSale | −62.0K | $9.17 | −$568.5K | −4.3%1.39M after | 10b5-1 |
| Apr 21, 2026 (view filing) | Apr 21 | Same day | Giroux RichardCFO & COO | SSale | −56.0K | $10.22 | −$572.3K | −5.4%971.5K after | 10b5-1 |
| Apr 7, 2026 (view filing) | Apr 7 | Same day | Naylor StuartCHIEF DEV. OFFICER | SSale | −27.7K | $9.36 | −$258.9K | −4.0%668.5K after | 10b5-1 |
| Mar 24, 2026 (view filing) | Mar 24 | Same day | Forbes AlexandriaPRESIDENT & CEO | SSale | −62.0K | $7.41 | −$459.4K | −4.1%1.45M after | 10b5-1 |
| Oct 21, 2025 (view filing) | Oct 21 | Same day | Giroux RichardCFO & COO | SSale | −24.0K | $8.87 | −$212.9K | −2.8%829.5K after | 10b5-1 |
| Oct 7, 2025 (view filing) | Oct 7 | Same day | Forbes AlexandriaPRESIDENT & CEO | SSale | −47.5K | $8.39 | −$398.5K | −3.5%1.31M after | 10b5-1 |
| Jul 22, 2025 (view filing) | Jul 22 | Same day | Giroux RichardCFO & COO | SSale | −24.0K | $8.52 | −$204.5K | −2.7%853.5K after | 10b5-1 |
| Jul 8, 2025 (view filing) | Jul 8 | Same day | Forbes AlexandriaPRESIDENT & CEO | SSale | −47.5K | $7.97 | −$378.6K | −3.4%1.36M after | 10b5-1 |
| Apr 22, 2025 (view filing) | Apr 22 | Same day | Giroux RichardCFO & COO | SSale | −24.0K | $6.00 | −$144.0K | −2.6%882.5K after | 10b5-1 |
| Apr 8, 2025 (view filing) | Apr 8 | Same day | Forbes AlexandriaPRESIDENT & CEO | SSale | −47.5K | $5.34 | −$253.7K | −3.3%1.41M after | 10b5-1 |
| Jan 21, 2025 (view filing) | Jan 21 | Same day | Giroux RichardCFO & COO | SSale | −24.0K | $6.29 | −$151.0K | −2.7%849.9K after | 10b5-1 |
| Jan 10, 2025 (view filing) | Jan 7-8 | 3 days | Forbes AlexandriaPRESIDENT & CEO | SSale | −47.5K | $6.43 | −$305.3K | −3.3%1.38M after | 2 lots10b5-1 |
| Aug 14, 2024 (view filing)6:54 PM ET | Aug 12 | 2 days | Edelman Joseph and 2 othersDirector, 10% Owner | PPurchase | +1.25M | $4.00 | +$5.00M | +11.1%12.5M after | |
| May 15, 2023 (view filing)8:12 PM ET | May 5 | 10 daysLate | Perceptive Advisors LLC and 2 othersDirector, 10% Owner | PPurchase | +4.35M | $5.75 | +$25.0M | +62.7%11.3M after | |
| Jun 6, 2022 (view filing) | Jun 3 | 3 days | Zeldin Robert KCHIEF MEDICAL OFFICER | PPurchase | +5.00K | $7.90 | +$39.5K | New position5.00K after | 2 lots |
| May 26, 2022 (view filing) | May 25 | 1 day | Wollin Robert JGENERAL COUNSEL AND SECRETARY | PPurchase | +1.00K | $7.94 | +$7.94K | New position1.00K after | |
| Nov 18, 2021 (view filing) | Nov 16-17 | 2 days | Forbes AlexandriaPresident and CEO | SSale | −30.0K | $19.92 | −$597.5K | −2.7%1.08M after | 3 lots |
| Oct 21, 2021 (view filing) | Oct 19-20 | 2 days | Giroux RichardCFO & COO | SSale | −22.0K | $20.99 | −$461.8K | −2.6%819.2K after | 3 lots |
| Oct 20, 2021 (view filing) | Oct 18 | 2 days | Forbes AlexandriaPresident and CEO | SSale | −30.0K | $17.36 | −$520.7K | −2.6%1.11M after | 2 lots |
| Oct 20, 2021 (view filing) | Oct 18 | 2 days | Naylor StuartChief Development Officer | SSale | −12.0K | $17.95 | −$215.4K | −2.9%402.0K after | |
| Jul 21, 2021 (view filing) | Jul 20 | 1 day | Naylor StuartChief Development Officer | SSale | −9.39K | $15.06 | −$141.4K | −2.2%414.0K after | |
| Jul 15, 2021 (view filing) | Jul 13 | 2 days | Naylor StuartChief Development Officer | SSale | −2.61K | $15.04 | −$39.3K | −0.6%423.4K after |