Insider Profile
Gardner, Calvyn
1
Companies Filed At
0
Open-Market Buys (2yr)
Buy Value (2yr, open-market)
Jan 12, 2023
Most Recent Trade
20
Credibility
Score
75%
Hit Rate
+18.0%
Avg 90d Return
+23.5%
Median 90d Return
4
Evaluated Trades
+33.6%
Best Trade
-8.6%
Worst Trade
Hit rate and returns are based on 4 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
+26.6%
Median Alpha · 90d
1
Closed Buys Evaluated
100%
Beat XIU
All-insider base rate: 59% hit rate  · +1.3% mean alpha (n=11504)
cluster buyer 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 1 closed buys with individual return outcomes available on the Research plan.
Date Company Role Nature Dir. Shares Price Value Score
Jan 12, 2023 $SGML
Sigma Lithium Corporation
Open Market Buy 192,007 $25.88 $5.0M 85
Jan 11, 2023 $SGML
Sigma Lithium Corporation
Open Market Buy 307,993 $27.00 $8.3M 85
Nov 03, 2022 $SGML
Sigma Lithium Corporation
Exercise Sell 2,500,000 85
Nov 03, 2022 $SGML
Sigma Lithium Corporation
Exercise Buy 2,500,000 85
Dec 23, 2021 $SGML
Sigma Lithium Corporation
Open Market Sell 546,596 $11.75 $6.4M 85
Sep 09, 2021 $SGML
Sigma Lithium Corporation
Comp. Grant Buy 2,500,000 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.