Marcio Bastos Fonseca

Marcio Bastos Fonseca appears in our data through filings on GR Silver Mining Ltd. shares, published by SEDI. Between 6 March 2018 and 19 February 2026, the trades on record add up to 8 filings.

Purchases make up the whole of the open-market record (2 purchases, €20k). Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. Besides market trades, the filings include 2 option exercises. In 2026 alone, the filings show 1 purchase and no sales.

The latest filing, published on 19 February 2026, reports an open-market purchase of €13k in GR Silver Mining Ltd. Between a trade and the moment it shows up on SEDI, the median delay is 4 days. Until a filing is published, the market cannot know about the trade. Source: insider filings from SEDI. Past trades are no guide to future returns.