Insider Profile
Biznek, Mark Edward
1
Companies Filed At
0
Open-Market Buys (2yr)
—
Buy Value (2yr, open-market)
Mar 08, 2024
Most Recent Trade
2
Credibility
Score
0%
Hit Rate
-16.8%
Avg 90d Return
-15.1%
Median 90d Return
4
Evaluated Trades
-12.7%
Best Trade
-24.4%
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
—
Hit Rate · 90d
-29.9%
Median Alpha · 90d
1
Closed Buys Evaluated
0%
Beat XIU
All-insider base rate: 59% hit rate  · +1.3% mean alpha (n=11504)
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
Mar 08, 2024 $BLDP
Ballard Power Systems
— Other Buy 16,058 $4.49 $72K 51
Mar 08, 2024 $BLDP
Ballard Power Systems
— Other Buy 48,174 $4.49 $216K 51
Dec 19, 2023 $BLDP
Ballard Power Systems
— Open Market Buy 5 $3.54 $18 51
Jul 10, 2023 $BLDP
Ballard Power Systems
— Comp. Grant Buy 50,000 $5.60 $280K 51
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.