Key facts
- This page summarizes Thomas Kletus Wiesner II's Form 3 filing for Ferroglobe PLC (GSM).
- 0 reported transactions and 3 derivative rows are listed below.
- Accepted by SEC: 18 Mar 2026, 17:29.
Thomas Kletus Wiesner II - 18 Mar 2026 Form 3 Insider Report for Ferroglobe PLC (GSM)
- Reporting relationship
- Chief Legal Officer
- Issuer ticker
- GSM
- Reported as of
- 18 Mar 2026
- Net transaction value
- $0
- Reporting owner signature
- /s/ Marta Bragado, attorney-in-fact for Thomas Wiesner II
Source evidence
Original filing metadata and source links for verification.
3 source fields
Reporting owner
1 detail
Key filing fact
Thomas Kletus Wiesner II filed Form 3 for Ferroglobe PLC (GSM) on 18 Mar 2026.
Change
- No earlier filing in this sequence is available for direct comparison.
- 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
Official SEC source
View source filing
Ownership activity is grounded in SEC Form 3 disclosures.
Reporting Owners (1)
CIK 0002116292
Primary reporting owner
Wiesner Thomas Kletus II
- Relationship
- Chief Legal Officer
- Address
- THE SCALPEL, 18TH FLOOR, 52 LIME STREET, LONDON, UNITED KINGDOM
- Signature
- /s/ Marta Bragado, attorney-in-fact for Thomas Wiesner II
- Signature date
- 18 Mar 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
GSM
holding
Ordinary shares
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 27,500
- Date
- 18 Mar 2026
- Ownership
- Direct
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
GSM
holding
Derivative
Performance share units
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- Date
- 18 Mar 2026
- Ownership
- Direct
- Underlying class
- Ordinary shares
- Underlying amount
- 57,689
- Exercise price
- $0.000000
- Footnotes
- F1
GSM
holding
Derivative
Performance share units
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- Date
- 18 Mar 2026
- Ownership
- Direct
- Underlying class
- Ordinary shares
- Underlying amount
- 62,924
- Exercise price
- $0.000000
- Footnotes
- F1
GSM
holding
Derivative
Performance share units
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- Date
- 18 Mar 2026
- Ownership
- Direct
- Underlying class
- Ordinary shares
- Underlying amount
- 66,017
- Exercise price
- $0.000000
- Footnotes
- F1
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 1 footnote
Footnote F1
Refers to the maximum number of shares to potentially vest for performance share units subject to performance periods that have not yet ended.
SEC remarks
Exhibit 24 - Power of Attorney