Insider Profile
Marques, Frederico
$PTX $SGML
2
Companies Filed At
6
Open-Market Buys (2yr)
$238K
Buy Value (2yr, open-market)
Jan 19, 2026
Most Recent Trade
Date Company Role Nature Dir. Shares Price Value Score
Jan 19, 2026 $PTX
PTX Metals Inc.
— Comp. Grant Buy 500,000 $0.14 $70K 70
Dec 18, 2025 $PTX
PTX Metals Inc.
— Open Market Buy 100,000 $0.10 $10K 70
Aug 14, 2025 $PTX
PTX Metals Inc.
— Open Market Sell 100,000 $0.10 $10K 70
Jul 23, 2025 $PTX
PTX Metals Inc.
— Open Market Buy 100,000 $0.95 $95K 70
Jul 23, 2025 $PTX
PTX Metals Inc.
— Open Market Buy 100,000 $0.10 $10K 70
Jul 23, 2025 $PTX
PTX Metals Inc.
— Open Market Buy 100,000 $0.10 $10K 70
Jul 23, 2025 $PTX
PTX Metals Inc.
— Open Market Buy 100,000 $0.95 $95K 70
Jul 22, 2025 $PTX
PTX Metals Inc.
— Open Market Buy 200,000 $0.10 $19K 70
May 05, 2022 $SGML
Sigma Lithium Corporation
— Open Market Buy 13,800 $21.85 $302K 85
May 04, 2022 $SGML
Sigma Lithium Corporation
— Open Market Buy 25,000 $20.50 $512K 85
Apr 27, 2022 $SGML
Sigma Lithium Corporation
— Open Market Buy 18,900 $20.50 $387K 85
Apr 21, 2022 $SGML
Sigma Lithium Corporation
— Open Market Buy 10,400 $22.25 $231K 85
Apr 20, 2022 $SGML
Sigma Lithium Corporation
— Open Market Buy 25,000 $21.50 $538K 85
Apr 20, 2022 $SGML
Sigma Lithium Corporation
— Open Market Buy 25,000 $20.50 $512K 85
Mar 23, 2022 $SGML
Sigma Lithium Corporation
— Exercise Sell 203,000 — — 85
Mar 23, 2022 $SGML
Sigma Lithium Corporation
— Exercise Buy 203,000 — — 85
Muted rows are plan purchases, compensation grants, or DRIP — not open-market. Confluence Scores reflect the company's current score, not the score at time of trade.
Form55 provides data and analysis for informational purposes only. Nothing on this site constitutes investment advice or a recommendation to buy or sell any security. Past performance is not indicative of future results.