Insider Profile
Cabral, Alexandre Rodrigues
1
Companies Filed At
17
Open-Market Buys (2yr)
$63K
Buy Value (2yr, open-market)
Apr 22, 2026
Most Recent Trade
10
Credibility
Score
25%
Hit Rate
-23.0%
Avg 90d Return
-35.1%
Median 90d Return
12
Evaluated Trades
+32.1%
Best Trade
-57.9%
Worst Trade
Hit rate and returns are based on 12 open-market buys with evaluable 90-day outcomes. Score reflects historical conviction, not a guarantee of future performance. Limited signal — either below-average timing or insufficient trade history.
Cross-Company Track Record
THIN HISTORY
100%
Hit Rate · 90d
-1.5%
Median Alpha · 90d
2
Closed Buys Evaluated
0%
Beat XIU
All-insider base rate: 59% hit rate  · +1.3% mean alpha (n=11504)
cluster buyer high frequency size concentrated
Entry: closing price on SEDI filing date (point-in-time). Exit: 90 calendar days later. Alpha vs XIU.TO (iShares TSX 60). Closed trades only. Not investment advice.
Research 2 closed buys with individual return outcomes available on the Research plan.
Date Company Role Nature Dir. Shares Price Value Score
Apr 22, 2026 $SGML
Sigma Lithium Corporation
Open Market Buy 256 $29.09 $7K 85
Apr 22, 2026 $SGML
Sigma Lithium Corporation
Open Market Buy 100 $29.09 $3K 85
Apr 22, 2026 $SGML
Sigma Lithium Corporation
Open Market Buy 200 $29.07 $6K 85
Apr 22, 2026 $SGML
Sigma Lithium Corporation
Open Market Buy 200 $29.10 $6K 85
Apr 22, 2026 $SGML
Sigma Lithium Corporation
Open Market Buy 100 $29.10 $3K 85
Apr 22, 2026 $SGML
Sigma Lithium Corporation
Open Market Buy 200 $29.10 $6K 85
Apr 22, 2026 $SGML
Sigma Lithium Corporation
Open Market Buy 400 $29.09 $12K 85
Apr 22, 2026 $SGML
Sigma Lithium Corporation
Open Market Buy 100 $29.09 $3K 85
Apr 22, 2026 $SGML
Sigma Lithium Corporation
Open Market Buy 100 $29.08 $3K 85
May 28, 2025 $SGML
Sigma Lithium Corporation
Open Market Buy 550 $7.32 $4K 85
May 08, 2025 $SGML
Sigma Lithium Corporation
Open Market Sell 430 $10.00 $4K 85
Apr 07, 2025 $SGML
Sigma Lithium Corporation
Open Market Buy 450 85
Apr 07, 2025 $SGML
Sigma Lithium Corporation
Open Market Buy 450 85
Apr 04, 2025 $SGML
Sigma Lithium Corporation
Open Market Buy 226 85
Apr 04, 2025 $SGML
Sigma Lithium Corporation
Open Market Buy 226 85
Apr 02, 2025 $SGML
Sigma Lithium Corporation
Open Market Buy 450 $10.85 $5K 85
Apr 01, 2025 $SGML
Sigma Lithium Corporation
Open Market Buy 226 $13.77 $3K 85
Apr 01, 2025 $SGML
Sigma Lithium Corporation
Open Market Buy 226 $13.77 $3K 85
Oct 16, 2024 $SGML
Sigma Lithium Corporation
Comp. Grant Buy 40,000 85
Sep 09, 2024 $SGML
Sigma Lithium Corporation
Exercise Buy 19,000 85
Sep 09, 2024 $SGML
Sigma Lithium Corporation
Exercise Sell 19,000 85
Jul 10, 2024 $SGML
Sigma Lithium Corporation
Buyback Buy 15,000 85
Sep 11, 2023 $SGML
Sigma Lithium Corporation
Comp. Grant Buy 34,000 85
Jul 01, 2023 $SGML
Sigma Lithium Corporation
Other Sell 85
Jul 01, 2023 $SGML
Sigma Lithium Corporation
Other Sell 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.