Ferroglobe PLC (GSM) Insider Trading
Directors, officers and holders of more than 10% of GSM report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 12 most recent of 12 transactions on file: 2 with code P, 1 with code S and 9 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 22, 2026 | Lopez Madrid Javier | EXECUTIVE CHAIRMAN | M Exercise | 28,117 | Not measured | Not measured |
| Sep 22, 2026 | Villar-Mir de Fuentes Silvia | Director | M Exercise | 28,117 | Not measured | Not measured |
| Sep 22, 2026 | Villar-Mir de Fuentes Silvia | Director | F Tax Payment | 6,889 | $4.31 | $29,692 |
| Sep 22, 2026 | Lopez Madrid Javier | EXECUTIVE CHAIRMAN | M Exercise | 28,117 | Not measured | Not measured |
| Sep 22, 2026 | Lopez Madrid Javier | EXECUTIVE CHAIRMAN | F Tax Payment | 6,889 | $4.31 | $29,692 |
| Sep 22, 2026 | Villar-Mir de Fuentes Silvia | Director | M Exercise | 28,117 | Not measured | Not measured |
| Aug 14, 2026 | Garcia Cos Muntanola Beatriz | CHIEF FINANCE OFFICER | S Sale | 32,292 | $4.30 | $138,856 |
| Aug 11, 2026 | Garcia Cos Muntanola Beatriz | CHIEF FINANCE OFFICER | M Exercise | 36,784 | Not measured | Not measured |
| Aug 11, 2026 | Garcia Cos Muntanola Beatriz | CHIEF FINANCE OFFICER | F Tax Payment | 5,091 | $4.63 | $23,571 |
| Aug 11, 2026 | Garcia Cos Muntanola Beatriz | CHIEF FINANCE OFFICER | M Exercise | 36,784 | Not measured | Not measured |
| Mar 23, 2026 | Villar-Mir de Fuentes Silvia | Director | P Purchase | 26,000 | $3.86 | $100,324 |
| Mar 23, 2026 | Lopez Madrid Javier | EXECUTIVE CHAIRMAN | P Purchase | 26,000 | $3.86 | $100,324 |
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.