Cos Muntanola Beatriz Garcia

Insider

First SEC filing: March 18, 2026 · Latest: March 18, 2026

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Insider at

0 buys (P) 1 sells (S) Net: $-138,856 + 3 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

3 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 14, 2026	GSM	S	32,292	$4.30	$138,856	31,693 Direct	-50.47%	Disposed	-6.7% (price as of 2026-08-21)
Aug. 11, 2026	GSM	M	36,784	—	—	69,076 Direct	+113.91%	Acquired	(price as of 2026-08-21)
Aug. 11, 2026	GSM	F	5,091	$4.63	$23,571	63,985 Direct	-7.37%	Disposed	-13.4% (price as of 2026-08-21)
Aug. 11, 2026	GSM	M	36,784	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Aug. 11, 2026	GSM	PERFORMANCE SHARE UNITS	ORDINARY SHARES (36,784)	$0.00	Dec. 16, 2030	36,784	Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Aug. 20, 2026	GSM	Ordinary shares	32,292	Direct
Aug. 20, 2026	GSM	Performance share units [F1]→ Ordinary shares (36,784)	36,784	Direct
March 18, 2026	GSM	Ordinary shares	32,292	Direct
March 18, 2026	GSM	Performance share units→ Ordinary shares (127,183)	127,183	Direct
March 18, 2026	GSM	Performance share units→ Ordinary shares	—	Direct
March 18, 2026	GSM	Performance share units→ Ordinary shares	—	Direct
March 18, 2026	GSM	Performance share units→ Ordinary share	—	Direct