How many insider trades does FilingIQ track for GSM?

FilingIQ tracks 99 Form 4 insider transactions for GSM (Ferroglobe PLC), covering filings from Feb 27, 2015 onwards. 2 of those were filed in the last 90 days.

Are GSM insiders net buyers or net sellers?

Across the full Form 4 history for GSM, 2 transactions (2%) were open-market purchases and 0 (0%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does GSM insider data come from?

Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.

What sector is GSM in?

Ferroglobe PLC (GSM) is classified in the Basic Materials sector, specifically Other Industrial Metals & Mining, with a current market capitalisation of $789.12M.

GSM insider trading

NasdaqCM Basic Materials

Ferroglobe PLC — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades

Last 90 days

Buys / sells

2% / 0%

Market cap

$789.12M

About Ferroglobe PLC

Ferroglobe PLC produces and sells silicon metal, and silicon and manganese-based ferroalloys in the United States, Europe, and internationally. It provides silicone chemicals that are used in a range of applications, including personal care items, construction-related products, health care products, and electronics; and silicon metal for primary and secondary aluminum producers. The company also offers silicomanganese, which is used as deoxidizing agent in the steel manufacturing process; and ferromanganese that is used as a deoxidizing, desulphurizing and degassing agent in the removal of nitrogen and other harmful elements from steel. In addition, it offers ferrosilicon products that are used to produce stainless steel, carbon steel, and various other steel alloys, as well as to manufacture electrodes and aluminum; calcium silicon for deoxidation and desulfurization of liquid steel, and cast iron pipes coating production, as well as in the welding process of powder metal and in pyrotechnics; and foundry products, such as nodularizers and inoculants for production of iron. Further, the company provides silica fume, a by-product of the electrometallurgical process of silicon metal and ferrosilicon. Additionally, it operates quartz mines in South Africa, Spain, the United States, and Canada; and low-ash metallurgical coal mines in the United States; charcoal production facility in South Africa; and hydroelectric power plant in France. The company serves silicone chemical producers; aluminum and steel manufacturers; auto companies and their suppliers; ductile iron foundries; manufacturers of photovoltaic solar cells and computer chips; and concrete producers. Ferroglobe PLC was formerly known as VeloNewco Limited and changed its name to Ferroglobe PLC in December 2015. The company was incorporated in 2015 and is headquartered in London, the United Kingdom.

Company website: www.ferroglobe.com

GSM insider activity at a glance

FilingIQ has scored 99 insider transactions for GSM since Feb 27, 2015. The most recent filing in our index is dated Mar 23, 2026.

Across the full history, 2 open-market purchases and 0 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on GSM insider trades is 61.5/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live GSM trades on FilingIQ Raw filings on SEC EDGAR

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13F funds holding GSM

Wolf Hill Capital Management, LP

$17.83M · 1.6% of AUM

Frequently asked

How many insider trades does FilingIQ track for GSM?: FilingIQ tracks 99 Form 4 insider transactions for GSM (Ferroglobe PLC), covering filings from Feb 27, 2015 onwards. 2 of those were filed in the last 90 days.
Are GSM insiders net buyers or net sellers?: Across the full Form 4 history for GSM, 2 transactions (2%) were open-market purchases and 0 (0%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does GSM insider data come from?: Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
What sector is GSM in?: Ferroglobe PLC (GSM) is classified in the Basic Materials sector, specifically Other Industrial Metals & Mining, with a current market capitalisation of $789.12M.

Methodology & sources

Every GSM insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.