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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

91
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
Forbes Alexandria
7 Jan 2025
PRESIDENT & CEO
Sold after exercise
35,839
$6.47
$231.88K
PERCEPTIVE ADVISORS LLC
12 Aug 2024
Director
Buy indirect
1,250,000
$4.00
$5.00M
PERCEPTIVE ADVISORS LLC
5 May 2023
Director
Buy indirect
4,347,826
$5.75
$25.00M
Zeldin Robert K
3 Jun 2022
CHIEF MEDICAL OFFICER
Buy
6
$7.89
$47.34
Zeldin Robert K
3 Jun 2022
CHIEF MEDICAL OFFICER
Buy
4,994
$7.90
$39.45K
Wollin Robert J
25 May 2022
GENERAL COUNSEL AND SECRETARY
Buy
1,000
$7.94
$7.94K
Forbes Alexandria
17 Nov 2021
President and CEO
Sell
15,000
$19.86
$297.90K
Forbes Alexandria
16 Nov 2021
President and CEO
Sell
3,200
$20.53
$65.70K
Forbes Alexandria
16 Nov 2021
President and CEO
Sell
11,800
$19.82
$233.88K
Giroux Richard
20 Oct 2021
CFO & COO
Sell
6,956
$21.28
$148.02K
Giroux Richard
20 Oct 2021
CFO & COO
Sell
13,744
$20.93
$287.66K
Giroux Richard
19 Oct 2021
CFO & COO
Sell
1,300
$20.07
$26.09K
Naylor Stuart
18 Oct 2021
Chief Development Officer
Sell
12,000
$17.95
$215.40K
Forbes Alexandria
18 Oct 2021
President and CEO
Sell
6,179
$17.92
$110.73K
Forbes Alexandria
18 Oct 2021
President and CEO
Sell
23,821
$17.21
$409.96K
Naylor Stuart
20 Jul 2021
Chief Development Officer
Sell
9,390
$15.06
$141.41K
Naylor Stuart
13 Jul 2021
Chief Development Officer
Sell
2,610
$15.04
$39.25K
Forbes Alexandria
9 Jun 2021
President and CEO
Sell
4,153
$15.04
$62.46K
Naylor Stuart
8 Jun 2021
Chief Development Officer
Sell
5,040
$15.01
$75.65K
Forbes Alexandria
8 Jun 2021
President and CEO
Sell
20,180
$15.02
$303.10K
Naylor Stuart
7 Jun 2021
Chief Development Officer
Sell
1,042
$15.02
$15.65K
Forbes Alexandria
7 Jun 2021
President and CEO
Sell
5,667
$15.03
$85.18K
Naylor Stuart
30 Apr 2021
Chief Development Officer
Sell
741
$15.01
$11.12K
Naylor Stuart
29 Apr 2021
Chief Development Officer
Sell
1,405
$15.02
$21.10K
Naylor Stuart
28 Apr 2021
Chief Development Officer
Sell
3,772
$15.14
$57.11K
MARCUS JOEL S
15 Mar 2021
Director
Exercised, kept
12,882
$7.72
$99.45K
Forbes Alexandria
17 Feb 2021
President and CEO
Sell
15,000
$15.57
$233.55K
Forbes Alexandria
16 Feb 2021
President and CEO
Sell
15,000
$15.60
$234.00K
Naylor Stuart
5 Jan 2021
Chief Development Officer
Sell
6,000
$15.34
$92.04K
Naylor Stuart
4 Jan 2021
Chief Development Officer
Sell
6,000
$15.40
$92.40K
Forbes Alexandria
17 Dec 2020
President and CEO
Sell
13,390
$15.00
$200.85K
Giroux Richard
17 Dec 2020
CFO & COO
Sell
18,000
$16.00
$288.00K
PERCEPTIVE ADVISORS LLC
23 Nov 2020
Director
Buy indirect
500,000
$12.85
$6.43M
Forbes Alexandria
18 Nov 2020
President and CEO
Sell
1,610
$15.05
$24.23K
Forbes Alexandria
17 Nov 2020
President and CEO
Sell
15,000
$15.17
$227.55K
Forbes Alexandria
12 Nov 2020
President and CEO
Sell
7,851
$15.01
$117.84K
Forbes Alexandria
11 Nov 2020
President and CEO
Sell
2,498
$15.02
$37.52K
Forbes Alexandria
10 Nov 2020
President and CEO
Sell
12,703
$15.05
$191.18K
Naylor Stuart
10 Nov 2020
Chief Development Officer
Sell
3,739
$15.00
$56.09K
Naylor Stuart
9 Nov 2020
Chief Development Officer
Sell
512
$15.00
$7.68K
Forbes Alexandria
5 Nov 2020
President and CEO
Sell
3,981
$15.03
$59.83K
Naylor Stuart
5 Nov 2020
Chief Development Officer
Sell
8,282
$15.02
$124.40K
Naylor Stuart
5 Oct 2020
Chief Development Officer
Sell
301
$15.00
$4.52K
MARCUS JOEL S
12 Aug 2020
Director
Sell
7,959
$14.15
$112.62K
MARCUS JOEL S
11 Aug 2020
Director
Sell
7,500
$13.86
$103.95K
MARCUS JOEL S
10 Aug 2020
Director
Exercised, kept
15,459
$5.63
$87.03K
Naylor Stuart
21 Jul 2020
Chief Development Officer
Sell
7,698
$15.04
$115.78K
Naylor Stuart
20 Jul 2020
Chief Development Officer
Sell
2,356
$15.00
$35.34K
SHENK THOMAS E
20 Jul 2020
Director
Sell indirect
6,667
$15.00
$100.01K
Forbes Alexandria
22 May 2020
President & CEO
Sell
9,125
$15.18
$138.52K
Forbes Alexandria
21 May 2020
President & CEO
Sell
14,732
$15.18
$223.63K
Giroux Richard
21 May 2020
CFO & COO
Sell
11,786
$15.16
$178.68K
Forbes Alexandria
20 May 2020
President & CEO
Sell
6,143
$15.04
$92.39K
Giroux Richard
20 May 2020
CFO & COO
Sell
6,143
$15.03
$92.33K
Giroux Richard
13 May 2020
CFO & COO
Sell
71
$15.38
$1.09K
MARCUS JOEL S
12 May 2020
Director
Sell indirect
22
$15.81
$347.86
MARCUS JOEL S
12 May 2020
Director
Sell indirect
4,900
$15.77
$77.27K
Naylor Stuart
11 May 2020
Chief Development Officer
Sell
11,304
$15.39
$173.97K
SHENK THOMAS E
11 May 2020
Director
Sell indirect
2,184
$15.00
$32.76K
SHENK THOMAS E
20 Apr 2020
Director
Sell indirect
4,482
$15.00
$67.23K
Naylor Stuart
20 Apr 2020
Chief Development Officer
Sell
696
$15.00
$10.44K
Naylor Stuart
19 Feb 2020
Chief Development Officer
Sell
6,000
$17.60
$105.60K
Naylor Stuart
18 Feb 2020
Chief Development Officer
Sell
169
$18.96
$3.20K
Naylor Stuart
18 Feb 2020
Chief Development Officer
Sell
5,831
$18.30
$106.71K
Forbes Alexandria
29 Jan 2020
President & CEO
Sell
15,000
$17.77
$266.55K
Forbes Alexandria
28 Jan 2020
President & CEO
Sell
139
$17.91
$2.49K
Forbes Alexandria
28 Jan 2020
President & CEO
Sell
14,861
$17.35
$257.84K
Giroux Richard
22 Jan 2020
CFO & COO
Sell
9,000
$19.34
$174.06K
Giroux Richard
21 Jan 2020
CFO & COO
Sell
502
$20.32
$10.20K
Giroux Richard
21 Jan 2020
CFO & COO
Sell
8,498
$19.51
$165.80K
Seligman Nicole
19 Nov 2019
Director
Buy
5,000
$16.31
$81.55K
PERCEPTIVE ADVISORS LLC
12 Aug 2019
Director
Buy indirect
425,531
$23.50
$10.00M
PERCEPTIVE LIFE SCIENCES MASTER FUND LTD
1 Mar 2019
10% owner
Buy indirect
1,304,348
$13.80
$18.00M
PERCEPTIVE ADVISORS LLC
12 Jun 2018
Director
Buy indirect
1,333,333
$15.00
$20.00M
PERCEPTIVE ADVISORS LLC
8 Jun 2018
Director
Buy indirect
50,000
$15.22
$761.00K

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