Insider Profile
Gradu, Mircea
1
Companies Filed At
1
Open-Market Buys (2yr)
$68
Buy Value (2yr, open-market)
Jul 30, 2025
Most Recent Trade
24
Credibility
Score
60%
Hit Rate
+10.8%
Avg 90d Return
+2.8%
Median 90d Return
10
Evaluated Trades
+70.9%
Best Trade
-24.3%
Worst Trade
Hit rate and returns are based on 10 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
50%
Hit Rate · 90d
+5.0%
Median Alpha · 90d
2
Closed Buys Evaluated
50%
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 2 closed buys with individual return outcomes available on the Research plan.
Date Company Role Nature Dir. Shares Price Value Score
Jul 30, 2025 $BLDP
Ballard Power Systems
— Expiry Sell 30,347 — — 51
Jul 30, 2025 $BLDP
Ballard Power Systems
— Expiry Sell 10,705 — — 51
Jul 30, 2025 $BLDP
Ballard Power Systems
— Expiry Sell 3,373 — — 51
Jul 30, 2025 $BLDP
Ballard Power Systems
— Expiry Sell 48,174 — — 51
Jul 28, 2025 $BLDP
Ballard Power Systems
— Exercise Sell 27,397 $2.82 $77K 51
Jul 28, 2025 $BLDP
Ballard Power Systems
— Exercise Buy 11,449 $2.82 $32K 51
Jul 09, 2025 $BLDP
Ballard Power Systems
— Other Sell 78,521 — — 51
May 26, 2025 $BLDP
Ballard Power Systems
— Open Market Buy 38 $1.80 $68 51
Mar 17, 2025 $BLDP
Ballard Power Systems
— Exercise Sell 3,372 $6.92 $23K 51
Mar 17, 2025 $BLDP
Ballard Power Systems
— Exercise Buy 1,554 $1.91 $3K 51
Mar 10, 2025 $BLDP
Ballard Power Systems
— Exercise Sell 5,352 $4.49 $24K 51
Mar 10, 2025 $BLDP
Ballard Power Systems
— Exercise Buy 2,625 $1.78 $5K 51
Mar 15, 2024 $BLDP
Ballard Power Systems
— Other Buy 1,567 $3.78 $6K 51
Mar 15, 2024 $BLDP
Ballard Power Systems
— Exercise Sell 3,372 $6.92 $23K 51
Mar 08, 2024 $BLDP
Ballard Power Systems
— Exercise Buy 16,058 $4.49 $72K 51
Mar 08, 2024 $BLDP
Ballard Power Systems
— Exercise Buy 48,174 $4.49 $216K 51
Dec 26, 2023 $BLDP
Ballard Power Systems
— Open Market Buy 25 $3.81 $95 51
Mar 15, 2023 $BLDP
Ballard Power Systems
— Exercise Buy 30,347 $6.92 $210K 51
Mar 15, 2023 $BLDP
Ballard Power Systems
— Exercise Buy 10,116 $6.92 $70K 51
Aug 29, 2022 $BLDP
Ballard Power Systems
— Other Sell — — — 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.