Stocks
MGTX MeiraGTx Holdings plc

MGTX

MeiraGTx Holdings plc

Company with tickers: MGTX

CIK

1735438

CUSIP

G59665102

Shares Outstanding

81,446,126

Price Holdings Short Volume Short Interest Fails to Deliver SEC Filings Earnings Calls Insider Trading Congress Trades

Date	Insider	Role	Type	Shares	Price	Value	After
2026-04-07	Naylor Stuart	CHIEF DEV. OFFICER	Sell	27,661	$9.36	$258,907	668,505
2026-03-24	Forbes Alexandria	Director, PRESIDENT & CEO	Sell	62,000	$7.41	$459,420	1,449,695
2026-02-21	Wollin Robert J	GENERAL COUNSEL AND SECRETARY	Tax	5,949	$7.45	$44,320	57,377
2026-02-21	Wollin Robert J	GENERAL COUNSEL AND SECRETARY	Convert	11,250	—	—	11,250
2026-02-21	Wollin Robert J	GENERAL COUNSEL AND SECRETARY	Convert	11,250	—	—	63,326
2026-02-21	Naylor Stuart	CHIEF DEV. OFFICER	Tax	11,750	$7.45	$87,538	696,166
2026-02-21	Naylor Stuart	CHIEF DEV. OFFICER	Convert	25,000	—	—	25,000
2026-02-21	Naylor Stuart	CHIEF DEV. OFFICER	Convert	25,000	—	—	707,916
2026-02-21	Zeldin Robert K	CHIEF MEDICAL OFFICER	Convert	7,500	—	—	7,500
2026-02-21	Zeldin Robert K	CHIEF MEDICAL OFFICER	Convert	7,500	—	—	175,840
2026-02-21	Zeldin Robert K	CHIEF MEDICAL OFFICER	Tax	2,952	$7.45	$21,992	172,888
2026-02-21	Giroux Richard	CFO & COO	Convert	60,000	—	—	60,000
2026-02-21	Giroux Richard	CFO & COO	Tax	31,726	$7.45	$236,359	1,027,530
2026-02-21	Giroux Richard	CFO & COO	Convert	60,000	—	—	1,059,256
2026-02-21	Giroux Richard	CFO & COO	Other	5,152	—	—	5,152
2026-02-21	Forbes Alexandria	Director, PRESIDENT & CEO	Convert	62,500	—	—	62,500
2026-02-21	Forbes Alexandria	Director, PRESIDENT & CEO	Tax	33,048	$7.45	$246,208	1,511,695
2026-02-21	Forbes Alexandria	Director, PRESIDENT & CEO	Convert	62,500	—	—	1,544,743
2026-01-17	Zeldin Robert K	CHIEF MEDICAL OFFICER	Convert	35,000	—	—	182,291
2026-01-17	Zeldin Robert K	CHIEF MEDICAL OFFICER	Tax	13,951	$7.42	$103,516	168,340
2026-01-17	Zeldin Robert K	CHIEF MEDICAL OFFICER	Convert	35,000	—	—	35,000
2026-01-17	Naylor Stuart	CHIEF DEV. OFFICER	Convert	75,000	—	—	718,166
2026-01-17	Naylor Stuart	CHIEF DEV. OFFICER	Convert	75,000	—	—	75,000
2026-01-17	Naylor Stuart	CHIEF DEV. OFFICER	Tax	35,250	$7.42	$261,555	682,916
2026-01-17	Giroux Richard	CFO & COO	Other	5,152	—	—	5,152
2026-01-17	Giroux Richard	CFO & COO	Tax	163,916	$7.42	$1,216,257	999,256
2026-01-17	Wollin Robert J	GENERAL COUNSEL AND SECRETARY	Tax	27,206	$7.42	$201,869	52,076
2026-01-17	Wollin Robert J	GENERAL COUNSEL AND SECRETARY	Convert	50,000	—	—	79,282
2026-01-17	Wollin Robert J	GENERAL COUNSEL AND SECRETARY	Convert	50,000	—	—	50,000
2026-01-17	Forbes Alexandria	Director, PRESIDENT & CEO	Convert	310,000	—	—	1,646,159
2026-01-17	Forbes Alexandria	Director, PRESIDENT & CEO	Tax	163,916	$7.42	$1,216,257	1,482,243
2026-01-17	Forbes Alexandria	Director, PRESIDENT & CEO	Convert	310,000	—	—	310,000
2026-01-17	Giroux Richard	CFO & COO	Convert	310,000	—	—	310,000
2026-01-17	Giroux Richard	CFO & COO	Convert	310,000	—	—	1,163,172
2026-01-07	Naylor Stuart	CHIEF DEV. OFFICER	Convert	37,500	—	—	660,791
2026-01-07	Naylor Stuart	CHIEF DEV. OFFICER	Convert	37,500	—	—	0
2026-01-07	Naylor Stuart	CHIEF DEV. OFFICER	Tax	17,625	$7.73	$136,241	643,166
2026-01-07	Giroux Richard	CFO & COO	Convert	52,500	—	—	881,994
2026-01-07	Giroux Richard	CFO & COO	Convert	52,500	—	—	0
2026-01-07	Giroux Richard	CFO & COO	Tax	28,822	$7.73	$222,794	853,172
2026-01-07	Zeldin Robert K	CHIEF MEDICAL OFFICER	Convert	17,500	—	—	0
2026-01-07	Zeldin Robert K	CHIEF MEDICAL OFFICER	Tax	6,729	$7.73	$52,015	147,291
2026-01-07	Zeldin Robert K	CHIEF MEDICAL OFFICER	Convert	17,500	—	—	154,020
2026-01-07	Wollin Robert J	GENERAL COUNSEL AND SECRETARY	Convert	7,500	—	—	0
2026-01-07	Wollin Robert J	GENERAL COUNSEL AND SECRETARY	Tax	4,364	$7.73	$33,734	29,282
2026-01-07	Wollin Robert J	GENERAL COUNSEL AND SECRETARY	Convert	7,500	—	—	33,646
2026-01-07	Forbes Alexandria	Director, PRESIDENT & CEO	Tax	34,074	$7.73	$263,392	1,336,159
2026-01-07	Forbes Alexandria	Director, PRESIDENT & CEO	Convert	62,500	—	—	0
2026-01-07	Forbes Alexandria	Director, PRESIDENT & CEO	Convert	62,500	—	—	1,370,233
2025-12-31	PERCEPTIVE ADVISORS LLC	10% Owner	Other	2,300,000	$7.91	$18,193,000	10,231,103
2025-12-23	Forbes Alexandria	Director, PRESIDENT & CEO	Gift	6,250	—	—	1,307,733
2025-11-20	Wollin Robert J	GENERAL COUNSEL AND SECRETARY	Gift	5,000	—	—	26,146
2025-10-21	Giroux Richard	CFO & COO	Other	5,152	—	—	5,152
2025-10-21	Giroux Richard	CFO & COO	Sell	24,000	$8.87	$212,880	829,494
2025-10-07	Forbes Alexandria	Director, PRESIDENT & CEO	Sell	47,500	$8.39	$398,525	1,313,983
2025-07-22	Giroux Richard	CFO & COO	Sell	24,000	$8.52	$204,480	853,494
2025-07-22	Giroux Richard	CFO & COO	Other	5,152	—	—	5,152
2025-07-08	Forbes Alexandria	Director, PRESIDENT & CEO	Sell	47,500	$7.97	$378,575	1,361,483
2025-06-30	Giroux Richard	CFO & COO	Other	5,152	—	—	5,152
2025-06-30	Giroux Richard	CFO & COO	Gift	5,000	—	—	877,494
2025-06-12	Yu Debra	See Remarks	Award	45,000	—	—	45,000
2025-06-12	SHENK THOMAS E	Director	Award	45,000	—	—	45,000
2025-06-12	Seligman Nicole	Director	Award	45,000	—	—	45,000
2025-06-12	Mendoza Neil	Director	Award	45,000	—	—	45,000
2025-06-12	Hukkelhoven Ellen	Director	Award	45,000	—	—	45,000
2025-06-12	Harris Keith R.	Director	Award	45,000	—	—	45,000
2025-06-12	PERCEPTIVE ADVISORS LLC	10% Owner	Award	45,000	—	—	45,000
2025-06-06	Harris Keith R.	Director	Convert	75,000	—	—	0
2025-06-06	Harris Keith R.	Director	Convert	75,000	—	—	125,000
2025-04-22	Giroux Richard	CFO & COO	Sell	24,000	$6.00	$144,000	882,494
2025-04-22	Giroux Richard	CFO & COO	Other	5,152	—	—	5,152
2025-04-08	Forbes Alexandria	Director, PRESIDENT & CEO	Sell	47,500	$5.34	$253,650	1,408,983
2025-04-03	Naylor Stuart	CHIEF DEV. OFFICER	Award	100,000	—	—	100,000
2025-04-03	Giroux Richard	CFO & COO	Award	950,000	—	—	950,000
2025-04-03	Zeldin Robert K	CHIEF MEDICAL OFFICER	Award	90,000	—	—	90,000
2025-04-03	Forbes Alexandria	Director, PRESIDENT & CEO	Award	950,000	—	—	950,000
2025-04-03	Wollin Robert J	GENERAL COUNSEL AND SECRETARY	Award	100,000	—	—	100,000
2025-02-21	Zeldin Robert K	CHIEF MEDICAL OFFICER	Convert	15,000	—	—	142,423
2025-02-21	Zeldin Robert K	CHIEF MEDICAL OFFICER	Convert	15,000	—	—	15,000
2025-02-21	Zeldin Robert K	CHIEF MEDICAL OFFICER	Tax	5,903	$7.30	$43,092	136,520
2025-02-21	Wollin Robert J	GENERAL COUNSEL AND SECRETARY	Convert	22,500	—	—	22,500
2025-02-21	Wollin Robert J	GENERAL COUNSEL AND SECRETARY	Tax	12,116	$7.30	$88,447	31,146
2025-02-21	Wollin Robert J	GENERAL COUNSEL AND SECRETARY	Convert	22,500	—	—	43,262
2025-02-21	Naylor Stuart	CHIEF DEV. OFFICER	Tax	23,500	$7.30	$171,550	623,291
2025-02-21	Naylor Stuart	CHIEF DEV. OFFICER	Convert	50,000	—	—	646,791
2025-02-21	Naylor Stuart	CHIEF DEV. OFFICER	Convert	50,000	—	—	50,000
2025-02-21	Giroux Richard	CFO & COO	Convert	120,000	—	—	120,000
2025-02-21	Giroux Richard	CFO & COO	Other	5,152	—	—	5,152
2025-02-21	Giroux Richard	CFO & COO	Tax	63,452	$7.30	$463,200	906,495
2025-02-21	Giroux Richard	CFO & COO	Convert	120,000	—	—	969,947
2025-02-21	Forbes Alexandria	Director, PRESIDENT & CEO	Convert	125,000	—	—	1,522,578
2025-02-21	Forbes Alexandria	Director, PRESIDENT & CEO	Tax	66,095	$7.30	$482,494	1,456,483
2025-02-21	Forbes Alexandria	Director, PRESIDENT & CEO	Convert	125,000	—	—	125,000
2025-01-21	Giroux Richard	CFO & COO	Other	5,152	—	—	5,152
2025-01-21	Giroux Richard	CFO & COO	Sell	24,000	$6.29	$150,960	849,947
2025-01-14	Naylor Stuart	CHIEF DEV. OFFICER	Tax	11,163	$5.77	$64,411	596,791
2025-01-14	Naylor Stuart	CHIEF DEV. OFFICER	Convert	23,750	—	—	607,954
2025-01-14	Naylor Stuart	CHIEF DEV. OFFICER	Convert	23,750	—	—	0
2025-01-14	Giroux Richard	CFO & COO	Other	5,152	—	—	5,152
2025-01-14	Giroux Richard	CFO & COO	Convert	25,000	—	—	0