InsiderClue
← All stocks

MeiraGTx Holdings plc

MGTX Net buying
CIK 0001735438 #2288 in the set updated 18 Sep 2026
Bought (120 mo)
$85.31M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$13.12M
$5.65M on a plan · $231.88K straight out of an exercise
Sold at will
$7.25M
61 of 78 sales
Net
+$72.19M
+$78.07M against sales at will

By person

13 insiders · 91 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
PERCEPTIVE ADVISORS LLC entity
Director
$67.19M (6)
—
+$67.19M
17,719,935
18.45%
$245.60M
+53.3%
PERCEPTIVE LIFE SCIENCES MASTER FUND LTD entity
10% owner
$18.00M (1)
—
+$18.00M
6,007,746
6.26%
$83.27M
+27.7%
Forbes Alexandria
PRESIDENT & CEO
—
$7.10M (31)
−$7.10M
1,325,695
1.38%
$18.37M
−9.0%
Giroux Richard
CFO & COO
—
$3.36M (16) scheduled
−$3.36M
998,682
1.04%
$13.84M
−6.3%
Naylor Stuart
CHIEF SCI OFCR, OPHTHALMOLOGY
—
$2.17M (24)
−$2.17M
640,846
0.6672%
$8.88M
+29.4%
MARCUS JOEL S
Director
—
$294.19K (4)
−$294.19K
2,070,608
2.16%
$28.70M
+0.4%
SHENK THOMAS E
Director
—
$200.00K (3)
−$200.00K
157,476
0.1640%
$2.18M
−7.8%
Seligman Nicole
Director
$81.55K (1)
—
+$81.55K
5,000
0.0052%
$69.30K
—
Zeldin Robert K
CHIEF MEDICAL OFFICER
$39.50K (2)
—
+$39.50K
172,888
0.1800%
$2.40M
+3,552%
Wollin Robert J
GENERAL COUNSEL AND SECRETARY
$7.94K (1)
—
+$7.94K
57,377
0.0597%
$795.25K
—
Harris Keith R.
Director
—
—
—
200,000
0.2082%
$2.77M
—
Indyk Martin
Director
—
—
—
35,000
0.0364%
$485.10K
—
Johnson & Johnson Innovation - JJDC, Inc. entity
10% owner
—
—
—
0
0.0000%
$0.00
−100.0%

Individual transactions

16
Insider
Date
Role
Action
Shares
Price
Amount
Forbes Alexandria
18 Aug 2026
PRESIDENT & CEO
Sold on a plan
62,000
$13.86
$859.32K
Giroux Richard
21 Jul 2026
CFO & COO
Sold on a plan
56,000
$12.51
$700.56K
Naylor Stuart
7 Jul 2026
CHIEF SCI OFCR, OPHTHALMOLOGY
Sold on a plan
25,112
$14.90
$374.17K
Naylor Stuart
7 Jul 2026
CHIEF SCI OFCR, OPHTHALMOLOGY
Sold on a plan
2,547
$13.86
$35.30K
Forbes Alexandria
19 May 2026
PRESIDENT & CEO
Sold on a plan
62,000
$9.17
$568.54K
Giroux Richard
21 Apr 2026
CFO & COO
Sold on a plan
56,000
$10.22
$572.32K
Naylor Stuart
7 Apr 2026
CHIEF DEV. OFFICER
Sold on a plan
27,661
$9.36
$258.91K
Forbes Alexandria
24 Mar 2026
PRESIDENT & CEO
Sold on a plan
62,000
$7.41
$459.42K
Giroux Richard
21 Oct 2025
CFO & COO
Sold on a plan
24,000
$8.87
$212.88K
Forbes Alexandria
7 Oct 2025
PRESIDENT & CEO
Sold on a plan
47,500
$8.39
$398.53K
Giroux Richard
22 Jul 2025
CFO & COO
Sold on a plan
24,000
$8.52
$204.48K
Forbes Alexandria
8 Jul 2025
PRESIDENT & CEO
Sold on a plan
47,500
$7.97
$378.58K
Giroux Richard
22 Apr 2025
CFO & COO
Sold on a plan
24,000
$6.00
$144.00K
Forbes Alexandria
8 Apr 2025
PRESIDENT & CEO
Sold on a plan
47,500
$5.34
$253.65K
Giroux Richard
21 Jan 2025
CFO & COO
Sold on a plan
24,000
$6.29
$150.96K
Forbes Alexandria
8 Jan 2025
PRESIDENT & CEO
Sold on a plan
11,661
$6.30
$73.46K
Show all 91 transactions →

What was left out

Form 4 filings counted 221
Amendments (4/A) skipped 6
Filings about a different issuer 0
Unreadable filings 0
Joint filings 16
Sales on a Rule 10b5-1 plan 16
Sales straight out of an exercise 1
Sales at will 61
Transactions with no price 0
Shares from compensation/vesting 14,504,903
Sales filed before the plan box existed 61
History held since 12 Jun 2018