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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

2
Insider
Date
Role
Action
Shares
Price
Amount
MARCUS JOEL S
15 Mar 2021
Director
Exercised, kept
12,882
$7.72
$99.45K
MARCUS JOEL S
10 Aug 2020
Director
Exercised, kept
15,459
$5.63
$87.03K
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