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Insider · CIK 0001742734

Richard Giroux

cfocooofficer

Files at MGTX (MeiraGTx Holdings plc). First filing Jan 21, 2025, latest Apr 21, 2026.

Richard Giroux files SEC Form 4 as CFO and COO at MGTX (MeiraGTx Holdings plc). Since Jan 21, 2025, Richard Giroux has reported 0 open-market buys worth $0 and 5 open-market sells worth $1.3M, the latest filed on Apr 21, 2026.

A track record needs three past buys with six months of prices behind them; Richard Giroux has 0, so none is measured yet.

The newest scored trade: sold $572k of MGTX on Apr 21, 2026, filed Apr 21, 2026, scored 29 (weak), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 2 sells worth $785k.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 5
$0 bought, $1.3M sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

MGTX: MeiraGTx Holdings plc

MGTXOct 9, 2026 · close 10.69

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
29Weak
MGTXsell 210b5-1
MeiraGTx Holdings plc
$572k
56,000 shares
-5%+119% from low-10% from high
22Weak
MGTXsell 210b5-1
MeiraGTx Holdings plc
$213k
24,000 shares
-3%+100% from low0% from high
22Weak
MGTXsell 210b5-1
MeiraGTx Holdings plc
$204k
24,000 shares
-3%+114% from low-3% from high
21Weak
MGTXsell 210b5-1
MeiraGTx Holdings plc
$144k
24,000 shares
-3%+56% from low-24% from high
21Weak
MGTXsell 210b5-1
MeiraGTx Holdings plc
$151k
24,000 shares
-3%-

Planned sales

Form 144 notices this insider filed before selling restricted or control stock, newest first.

FiledCompanySharesValueSale datePast 3 months
Apr 21, 2026 MGTX
MEIRAGTX HOLDINGS PLC
56,000
0.06% of outstanding
$573kApr 21, 2026none
Oct 21, 2025 MGTX
MEIRAGTX HOLDINGS PLC
24,000
0.03% of outstanding
$213kOct 21, 2025none
Jul 22, 2025 MGTX
MEIRAGTX HOLDINGS PLC
24,000
0.03% of outstanding
$204kJul 22, 2025none
Apr 22, 2025 MGTX
MEIRAGTX HOLDINGS PLC
24,000
0.03% of outstanding
$144kApr 22, 2025none
Jan 21, 2025 MGTX
MeiraGTx Holdings plc
24,000
0.03% of outstanding
$154kJan 21, 2025none

Transactions

Every row this insider has filed, 27 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Jun 25, 2026MGTX
MeiraGTx Holdings plc
AGrant or award
Restricted Share Unitsderivative
+980,000$0.00$0980,000Jun 29, 2026
May 27, 2026MGTX
MeiraGTx Holdings plc
GGift
Ordinary Shares
-7,000$0.00$0964,530May 28, 2026
Apr 21, 2026MGTX
MeiraGTx Holdings plc
SOpen-market sale
Ordinary Shares10b5-1
-56,000$10.22$572k971,530Apr 21, 2026
Feb 21, 2026MGTX
MeiraGTx Holdings plc
MOption exercise
Ordinary Shares
+60,000--1,059,256Feb 23, 2026
Feb 21, 2026MGTX
MeiraGTx Holdings plc
FTax withholding
Ordinary Shares
-31,726$7.45$236k1,027,530Feb 23, 2026
Feb 21, 2026MGTX
MeiraGTx Holdings plc
MOption exercise
Restricted Share Unitsderivative
-60,000$0.00$060,000Feb 23, 2026
Jan 17, 2026MGTX
MeiraGTx Holdings plc
MOption exercise
Ordinary Shares10b5-1
+310,000--1,163,172Jan 21, 2026
Jan 17, 2026MGTX
MeiraGTx Holdings plc
FTax withholding
Ordinary Shares10b5-1
-163,916$7.42$1.2M999,256Jan 21, 2026
Jan 17, 2026MGTX
MeiraGTx Holdings plc
MOption exercise
Restricted Share Unitsderivative10b5-1
-310,000$0.00$0310,000Jan 21, 2026
Jan 7, 2026MGTX
MeiraGTx Holdings plc
MOption exercise
Ordinary Shares
+52,500--881,994Jan 8, 2026
Jan 7, 2026MGTX
MeiraGTx Holdings plc
FTax withholding
Ordinary Shares
-28,822$7.73$223k853,172Jan 8, 2026
Jan 7, 2026MGTX
MeiraGTx Holdings plc
MOption exercise
Restricted Share Unitsderivative
-52,500$0.00$00Jan 8, 2026
Oct 21, 2025MGTX
MeiraGTx Holdings plc
SOpen-market sale
Ordinary Shares10b5-1
-24,000$8.87$213k829,494Oct 21, 2025
Jul 22, 2025MGTX
MeiraGTx Holdings plc
SOpen-market sale
Ordinary Shares10b5-1
-24,000$8.52$204k853,494Jul 22, 2025
Jun 30, 2025MGTX
MeiraGTx Holdings plc
GGift
Ordinary Shares
-5,000$0.00$0877,494Jul 2, 2025
Apr 22, 2025MGTX
MeiraGTx Holdings plc
SOpen-market sale
Ordinary Shares10b5-1
-24,000$6.00$144k882,494Apr 22, 2025
Apr 3, 2025MGTX
MeiraGTx Holdings plc
AGrant or award
Restricted Share Unitsderivative
+950,000$0.00$0950,000Apr 7, 2025
Feb 21, 2025MGTX
MeiraGTx Holdings plc
MOption exercise
Ordinary Shares
+120,000--969,947Feb 25, 2025
Feb 21, 2025MGTX
MeiraGTx Holdings plc
FTax withholding
Ordinary Shares
-63,452$7.30$463k906,495Feb 25, 2025
Feb 21, 2025MGTX
MeiraGTx Holdings plc
MOption exercise
Restricted Share Unitsderivative
-120,000$0.00$0120,000Feb 25, 2025
Jan 21, 2025MGTX
MeiraGTx Holdings plc
SOpen-market sale
Ordinary Shares10b5-1
-24,000$6.29$151k849,947Jan 21, 2025
Jan 14, 2025MGTX
MeiraGTx Holdings plc
MOption exercise
Ordinary Shares
+25,000--887,166Jan 16, 2025
Jan 14, 2025MGTX
MeiraGTx Holdings plc
FTax withholding
Ordinary Shares
-13,219$5.77$76k873,947Jan 16, 2025
Jan 14, 2025MGTX
MeiraGTx Holdings plc
MOption exercise
Restricted Share Unitsderivative
-25,000$0.00$00Jan 16, 2025
Jan 7, 2025MGTX
MeiraGTx Holdings plc
MOption exercise
Ordinary Shares
+52,500--889,926Jan 10, 2025
Jan 7, 2025MGTX
MeiraGTx Holdings plc
FTax withholding
Ordinary Shares
-27,760$6.34$176k862,166Jan 10, 2025
Jan 7, 2025MGTX
MeiraGTx Holdings plc
MOption exercise
Restricted Share Unitsderivative
-52,500$0.00$052,500Jan 10, 2025

Questions about Richard Giroux

Answered from the filings on this page, as of the latest one.

Is Richard Giroux buying or selling?

In the last 12 months Richard Giroux reported 0 open-market buys worth $0 and 2 open-market sells worth $785k on SEC Form 4; the latest was sold $572k of MGTX on Apr 21, 2026. Grants, option exercises and tax withholding are not counted.

How did Richard Giroux's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Richard Giroux has 0.

Where does Richard Giroux file Form 4?

Richard Giroux has filed Form 4 at MGTX (MeiraGTx Holdings plc) as CFO & COO. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.