Key facts
- This page summarizes PERCEPTIVE ADVISORS LLC's Form 4 filing for MeiraGTx Holdings plc (MGTX).
- 7 reported transactions and 18 derivative rows are listed below.
- Accepted by SEC: 23 Apr 2026, 20:59.
PERCEPTIVE ADVISORS LLC - 02 Aug 2022 Form 4 Insider Report for MeiraGTx Holdings plc (MGTX)
- Reporting relationship
- Director, 10%+ Owner
- Issuer ticker
- MGTX
- Reported as of
- 02 Aug 2022
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 23 Apr 2026, 20:59:00 UTC
- Prior SEC filing
- 03 Aug 2022
- Next SEC filing
- 05 Aug 2022
- Source filing
- View source filing
- Reporting owner signature
- /s/ Perceptive Advisors LLC, By: Joseph Edelman, its managing member
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
PERCEPTIVE ADVISORS LLC filed Form 4 for MeiraGTx Holdings plc (MGTX) on 23 Apr 2026.
Change
- Previous filing in this sequence was filed on 03 Aug 2022.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (3)
CIK 0001224962
Primary reporting owner
PERCEPTIVE ADVISORS LLC
- Relationship
- Director, 10%+ Owner
- Address
- 51 ASTOR PLACE, 10TH FLOOR, NEW YORK
- Signature
- /s/ Perceptive Advisors LLC, By: Joseph Edelman, its managing member
- Signature date
- 23 Apr 2026
CIK 0001164426
EDELMAN JOSEPH
- Relationship
- Director, 10%+ Owner
- Address
- 51 ASTOR PLACE, 10TH FLOOR, NEW YORK
- Signature
- /s/ Joseph Edelman - for Perceptive Life Sciences Master Fund Ltd., By: Perceptive Advisors LLC, its investment manager, By: Joseph Edelman, its managing member
- Signature date
- 23 Apr 2026
CIK 0001249675
PERCEPTIVE LIFE SCIENCES MASTER FUND LTD
- Relationship
- Director, 10%+ Owner
- Address
- 51 ASTOR PLACE, 10TH FLOOR, NEW YORK
- Signature
- /s/ Joseph Edelman
- Signature date
- 23 Apr 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
MGTX
transaction
Ordinary Shares
Award
- Transaction value
- Shares
- +555,555
- Change %
- +5.4%
- Price
- $9.00*
- Shares after
- 10,786,658
- Date
- 17 Apr 2026
- Ownership
- See Footnote
- Footnotes
- F1
MGTX
transaction
Ordinary Shares
Award
- Transaction value
- Shares
- +555,555
- Change %
- +5.4%
- Price
- $9.00*
- Shares after
- 10,786,658
- Date
- 17 Apr 2026
- Ownership
- See Footnote
- Footnotes
- F1
MGTX
transaction
Ordinary Shares
Award
- Transaction value
- Shares
- +555,555
- Change %
- +5.4%
- Price
- $9.00*
- Shares after
- 10,786,658
- Date
- 17 Apr 2026
- Ownership
- See Footnote
- Footnotes
- F1
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
MGTX
transaction
Derivative
Warrant (Right to Buy)
Award
- Transaction value
- Shares
- +400,000
- Change %
- Price
- Shares after
- 400,000
- Date
- 02 Aug 2022
- Ownership
- See Footnote
- Underlying class
- Ordinary Shares
- Underlying amount
- 400,000
- Exercise price
- $15.00
- Footnotes
- F2
MGTX
transaction
Derivative
Warrant (Right to Buy)
Award
- Transaction value
- Shares
- +400,000
- Change %
- Price
- Shares after
- 400,000
- Date
- 02 Aug 2022
- Ownership
- See Footnote
- Underlying class
- Ordinary Shares
- Underlying amount
- 400,000
- Exercise price
- $15.00
- Footnotes
- F2
MGTX
transaction
Derivative
Warrant (Right to Buy)
Award
- Transaction value
- Shares
- +400,000
- Change %
- Price
- Shares after
- 400,000
- Date
- 02 Aug 2022
- Ownership
- See Footnote
- Underlying class
- Ordinary Shares
- Underlying amount
- 400,000
- Exercise price
- $15.00
- Footnotes
- F2
MGTX
transaction
Derivative
Warrant (Right to Buy)
Award
- Transaction value
- Shares
- +300,000
- Change %
- Price
- Shares after
- 300,000
- Date
- 02 Aug 2022
- Ownership
- See Footnote
- Underlying class
- Ordinary Shares
- Underlying amount
- 300,000
- Exercise price
- $20.00
- Footnotes
- F2
MGTX
transaction
Derivative
Warrant (Right to Buy)
Award
- Transaction value
- Shares
- +300,000
- Change %
- Price
- Shares after
- 300,000
- Date
- 02 Aug 2022
- Ownership
- See Footnote
- Underlying class
- Ordinary Shares
- Underlying amount
- 300,000
- Exercise price
- $20.00
- Footnotes
- F2
MGTX
transaction
Derivative
Warrant (Right to Buy)
Award
- Transaction value
- Shares
- +300,000
- Change %
- Price
- Shares after
- 300,000
- Date
- 02 Aug 2022
- Ownership
- See Footnote
- Underlying class
- Ordinary Shares
- Underlying amount
- 300,000
- Exercise price
- $20.00
- Footnotes
- F2
MGTX
transaction
Derivative
Warrant (Right to Buy)
Disposed to Issuer
- Transaction value
- Shares
- -400,000
- Change %
- -100%
- Price
- Shares after
- 0
- Date
- 25 Mar 2026
- Ownership
- See Footnote
- Underlying class
- Ordinary Shares
- Underlying amount
- 400,000
- Exercise price
- $15.00
- Footnotes
- F2, F3
MGTX
transaction
Derivative
Warrant (Right to Buy)
Disposed to Issuer
- Transaction value
- Shares
- -400,000
- Change %
- -100%
- Price
- Shares after
- 0
- Date
- 25 Mar 2026
- Ownership
- See Footnote
- Underlying class
- Ordinary Shares
- Underlying amount
- 400,000
- Exercise price
- $15.00
- Footnotes
- F2, F3
MGTX
transaction
Derivative
Warrant (Right to Buy)
Disposed to Issuer
- Transaction value
- Shares
- -400,000
- Change %
- -100%
- Price
- Shares after
- 0
- Date
- 25 Mar 2026
- Ownership
- See Footnote
- Underlying class
- Ordinary Shares
- Underlying amount
- 400,000
- Exercise price
- $15.00
- Footnotes
- F2, F3
MGTX
transaction
Derivative
Warrant (Right to Buy)
Disposed to Issuer
- Transaction value
- Shares
- -300,000
- Change %
- -100%
- Price
- Shares after
- 0
- Date
- 25 Mar 2026
- Ownership
- See Footnote
- Underlying class
- Ordinary Shares
- Underlying amount
- 300,000
- Exercise price
- $20.00
- Footnotes
- F2, F3
MGTX
transaction
Derivative
Warrant (Right to Buy)
Disposed to Issuer
- Transaction value
- Shares
- -300,000
- Change %
- -100%
- Price
- Shares after
- 0
- Date
- 25 Mar 2026
- Ownership
- See Footnote
- Underlying class
- Ordinary Shares
- Underlying amount
- 300,000
- Exercise price
- $20.00
- Footnotes
- F2, F3
MGTX
transaction
Derivative
Warrant (Right to Buy)
Disposed to Issuer
- Transaction value
- Shares
- -300,000
- Change %
- -100%
- Price
- Shares after
- 0
- Date
- 25 Mar 2026
- Ownership
- See Footnote
- Underlying class
- Ordinary Shares
- Underlying amount
- 300,000
- Exercise price
- $20.00
- Footnotes
- F2, F3
MGTX
transaction
Derivative
Warrant (Right to Buy)
Award
- Transaction value
- Shares
- +400,000
- Change %
- Price
- Shares after
- 400,000
- Date
- 25 Mar 2026
- Ownership
- See Footnote
- Underlying class
- Ordinary Shares
- Underlying amount
- 400,000
- Exercise price
- $8.00
- Footnotes
- F2, F3
MGTX
transaction
Derivative
Warrant (Right to Buy)
Award
- Transaction value
- Shares
- +400,000
- Change %
- Price
- Shares after
- 400,000
- Date
- 25 Mar 2026
- Ownership
- See Footnote
- Underlying class
- Ordinary Shares
- Underlying amount
- 400,000
- Exercise price
- $8.00
- Footnotes
- F2, F3
MGTX
transaction
Derivative
Warrant (Right to Buy)
Award
- Transaction value
- Shares
- +400,000
- Change %
- Price
- Shares after
- 400,000
- Date
- 25 Mar 2026
- Ownership
- See Footnote
- Underlying class
- Ordinary Shares
- Underlying amount
- 400,000
- Exercise price
- $8.00
- Footnotes
- F2, F3
MGTX
transaction
Derivative
Warrant (Right to Buy)
Award
- Transaction value
- Shares
- +300,000
- Change %
- Price
- Shares after
- 300,000
- Date
- 25 Mar 2026
- Ownership
- See Footnote
- Underlying class
- Ordinary Shares
- Underlying amount
- 300,000
- Exercise price
- $8.00
- Footnotes
- F2, F3
MGTX
transaction
Derivative
Warrant (Right to Buy)
Award
- Transaction value
- Shares
- +300,000
- Change %
- Price
- Shares after
- 300,000
- Date
- 25 Mar 2026
- Ownership
- See Footnote
- Underlying class
- Ordinary Shares
- Underlying amount
- 300,000
- Exercise price
- $8.00
- Footnotes
- F2, F3
MGTX
transaction
Derivative
Warrant (Right to Buy)
Award
- Transaction value
- Shares
- +300,000
- Change %
- Price
- Shares after
- 300,000
- Date
- 25 Mar 2026
- Ownership
- See Footnote
- Underlying class
- Ordinary Shares
- Underlying amount
- 300,000
- Exercise price
- $8.00
- Footnotes
- F2, F3
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 3 footnotes
Footnote F1
The securities are directly held by Perceptive Life Sciences Master Fund Ltd. (the "Master Fund"). Perceptive Advisors LLC (the "Advisor") serves as the investment manager of Master Fund. Joseph Edelman is the managing member of the Advisor. Each of Mr. Edelman and the Advisor disclaims, for purposes of Section 16 of the Securities Exchange Act of 1934, beneficial ownership of such securities, except to the extent of his/its indirect pecuniary interest therein, and this report shall not be deemed an admission that either Mr. Edelman or the Advisor is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.
Footnote F2
Issued to Perceptive Credit Holdings III, LP ("Credit Fund III") in connection with the senior secured financing arrangement (the "Financing Agreement") by and among the Issuer, PCH III, and the other parties thereto. Perceptive Credit Advisors LLC ("Perceptive Credit Advisors") serves as the investment advisor to Credit Fund III and as a relying advisor under the Advisor. Mr. Edelman is the managing member of Perceptive Credit Advisors. Each of Perceptive Credit Advisors, the Advisor and Mr. Edelman disclaims, for purposes of Section 16 of the Securities Exchange Act of 1934, beneficial ownership of such securities, except to the extent of his/its indirect pecuniary interest therein, and this report shall not be deemed an admission that any of Perceptive Credit Advisors, the Advisor and Mr. Edelman is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.
Footnote F3
On March 25, 2026, the Issuer, Credit Fund III, and the other parties to the Financing Agreement entered into an agreement whereby the exercise price of the warrants was adjusted to $8.00 per share.
SEC remarks
Ellen Hukkelhoven, the Head of Investment Research of the Advisor, is a member of the Issuer's board of directors.