LM
Insider
Leonard Powell Mertz
DirectorLeonard Powell Mertz (Director) filed 1 Form 4 report in the past 24 months (1 purchase, 0 sales), most often in Alpha Cognition Inc. Common Stock (ACOG). Across 1 priced purchase filing, the average 21-session return was +8.9% from execution and +8.6% from disclosure (delay-adjusted; derived). The largest single filing was $250K of ACOG (27,778 sh × $9.00, as filed), executed Aug 18 2025.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
+8.9%
avg across 1 priced filings
Delay-adjustediThe same average, entered at disclosure dates
+8.6%
same 1 filings, from disclosure
Filings, ttm
1
1 buys · 0 sells
Median delay
2d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$250K
shares × price, as filed
Last traded
Aug 18 2025
Filed Aug 20 2025
Median ADV $476K across their filed names
Open performance→Volume by month
Buys $250K
Sells $0
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Healthcare
1 filing
Sector per market data · by filing · past 24 months
Most traded names
ACOGRecent filings
ACOGPURCHASE
Alpha Cognition Inc. Common Stock
View filing →
$250K27,778 sh × $9.00
Exec Aug 18 2025
Filed Aug 20 2025 · 4:06 PM ET