InsiderTrades

Naylor Stuart

SEC CIK 1742771 · EDGAR

Buying vs selling by month open-market trades, last 60 months, MGTX
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
MGTXMeiraGTx Holdings plcChief Development Off 640.8K — $1.06M 272021-07-132026-07-07

Most active insiders at MGTX, 12 months

#InsiderTitleBoughtSold
1 Forbes AlexandriaPres, CEO, Dir —$2.29M
2 Giroux RichardCFO, COO —$1.49M
3 Naylor StuartCHIEF SCI OFCR, OPHTHALMOLOGY —$668.4K
4 Wollin Robert JGC AND Sec ——
5 Zeldin Robert KChief MEDICAL Off ——
6 Harris Keith R.Dir ——
7 PERCEPTIVE LIFE SCIENCES MASTER FUND LTDDir, 10% ——
8 PERCEPTIVE ADVISORS LLCDir, 10% ——

Transactions 27

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
MT 2026-07-07 21:05 2026-07-07 MGTX MeiraGTx Holdings plc Naylor Stuart CHIEF SCI OFCR, OPHTHALMOLOGY S - Sale $14.80 -27.7K 640.8K -4% -$409.5K
T 2026-04-07 20:57 2026-04-07 MGTX MeiraGTx Holdings plc Naylor Stuart CHIEF DEV. Off S - Sale $9.36 -27.7K 668.5K -4% -$258.9K
D 2026-02-23 2026-02-21 MGTX MeiraGTx Holdings plc Naylor Stuart CHIEF DEV. Off F - Tax $7.45 -11.8K 696.2K -2% -$87.5K
D 2026-02-23 2026-02-21 MGTX MeiraGTx Holdings plc Naylor Stuart CHIEF DEV. Off M - OptEx — +25.0K 707.9K +4% —
D 2026-01-21 2026-01-17 MGTX MeiraGTx Holdings plc Naylor Stuart CHIEF DEV. Off M - OptEx — +75.0K 718.2K +12% —
D 2026-01-21 2026-01-17 MGTX MeiraGTx Holdings plc Naylor Stuart CHIEF DEV. Off F - Tax $7.42 -35.2K 682.9K -5% -$261.6K
D 2026-01-08 2026-01-07 MGTX MeiraGTx Holdings plc Naylor Stuart CHIEF DEV. Off F - Tax $7.73 -17.6K 643.2K -3% -$136.2K
D 2026-01-08 2026-01-07 MGTX MeiraGTx Holdings plc Naylor Stuart CHIEF DEV. Off M - OptEx — +37.5K 660.8K +6% —
D 2025-02-25 2025-02-21 MGTX MeiraGTx Holdings plc Naylor Stuart CHIEF DEV. Off F - Tax $7.30 -23.5K 623.3K -4% -$171.6K
D 2025-02-25 2025-02-21 MGTX MeiraGTx Holdings plc Naylor Stuart CHIEF DEV. Off M - OptEx — +50.0K 646.8K +8% —
D 2025-01-16 2025-01-14 MGTX MeiraGTx Holdings plc Naylor Stuart CHIEF DEV. Off F - Tax $5.77 -11.2K 596.8K -2% -$64.4K
D 2025-01-16 2025-01-14 MGTX MeiraGTx Holdings plc Naylor Stuart CHIEF DEV. Off M - OptEx — +23.8K 608.0K +4% —
D 2025-01-10 2025-01-07 MGTX MeiraGTx Holdings plc Naylor Stuart CHIEF DEV. Off F - Tax $6.34 -17.6K 584.2K -3% -$111.7K
D 2025-01-10 2025-01-07 MGTX MeiraGTx Holdings plc Naylor Stuart CHIEF DEV. Off M - OptEx — +37.5K 601.8K +7% —
D 2024-01-17 2024-01-14 MGTX MeiraGTx Holdings plc Naylor Stuart CHIEF DEV. Off F - Tax $6.36 -11.2K 564.3K -2% -$71.0K
D 2024-01-17 2024-01-14 MGTX MeiraGTx Holdings plc Naylor Stuart CHIEF DEV. Off M - OptEx — +23.8K 575.5K +4% —
DM 2024-01-09 2024-01-07+ MGTX MeiraGTx Holdings plc Naylor Stuart CHIEF DEV. Off M - OptEx — +115.0K 570.5K +25% —
DM 2024-01-09 2024-01-07+ MGTX MeiraGTx Holdings plc Naylor Stuart CHIEF DEV. Off F - Tax $6.41 -54.0K 551.7K -9% -$346.7K
D 2023-01-18 2023-01-14 MGTX MeiraGTx Holdings plc Naylor Stuart CHIEF DEV. Off M - OptEx — +47.5K 513.1K +10% —
D 2023-01-18 2023-01-14 MGTX MeiraGTx Holdings plc Naylor Stuart CHIEF DEV. Off F - Tax $6.99 -22.3K 490.8K -4% -$156.1K
D 2023-01-10 2023-01-08 MGTX MeiraGTx Holdings plc Naylor Stuart CHIEF DEV. Off F - Tax $6.60 -18.8K 465.6K -4% -$124.1K
D 2023-01-10 2023-01-08 MGTX MeiraGTx Holdings plc Naylor Stuart CHIEF DEV. Off M - OptEx — +40.0K 484.4K +9% —
D 2022-01-11 2022-01-08 MGTX MeiraGTx Holdings plc Naylor Stuart Chief Development Off M - OptEx — +80.0K 482.0K +20% —
D 2022-01-11 2022-01-08 MGTX MeiraGTx Holdings plc Naylor Stuart Chief Development Off F - Tax $21.53 -37.6K 444.4K -8% -$809.5K
2021-10-20 2021-10-18 MGTX MeiraGTx Holdings plc Naylor Stuart Chief Development Off S - Sale $17.95 -12.0K 402.0K -3% -$215.4K
2021-07-21 2021-07-20 MGTX MeiraGTx Holdings plc Naylor Stuart Chief Development Off S - Sale $15.06 -9,390 414.0K -2% -$141.4K
2021-07-15 2021-07-13 MGTX MeiraGTx Holdings plc Naylor Stuart Chief Development Off S - Sale $15.04 -2,610 423.4K -0.6% -$39.3K

Purchase Sale Sale after option exercise All abbreviations