Thomas Kletus Wiesner II - 18 Mar 2026 Form 3 Insider Report for Ferroglobe PLC (GSM)

Role
Chief Legal Officer
Signature
/s/ Marta Bragado, attorney-in-fact for Thomas Wiesner II
Issuer symbol
GSM
Transactions as of
18 Mar 2026
Net transactions value
$0
Form type
3
Filing time
18 Mar 2026, 17:29:27 UTC
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Wiesner Thomas Kletus II Chief Legal Officer THE SCALPEL, 18TH FLOOR, 52 LIME STREET, LONDON, UNITED KINGDOM /s/ Marta Bragado, attorney-in-fact for Thomas Wiesner II 18 Mar 2026 0002116292

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding GSM Ordinary shares 27,500 18 Mar 2026 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
holding GSM Performance share units 18 Mar 2026 Ordinary shares 57,689 $0.000000 Direct F1
holding GSM Performance share units 18 Mar 2026 Ordinary shares 62,924 $0.000000 Direct F1
holding GSM Performance share units 18 Mar 2026 Ordinary shares 66,017 $0.000000 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Refers to the maximum number of shares to potentially vest for performance share units subject to performance periods that have not yet ended.

Remarks:

Exhibit 24 - Power of Attorney