JS
John Smollen (EVP Traded Products & Relation) filed 1 Form 4 report in the past 24 months (1 purchase, 0 sales), most often in Miami International Holdings, Inc. (MIAX). Across 1 priced purchase filing, the average 21-session return was +17.2% from execution and +25.5% from disclosure (delay-adjusted; derived). The largest single filing was $115K of MIAX (5,000 sh × $23.00, as filed), executed Aug 13 2025. Data as of Nov 8 2026.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
+17.2%
avg across 1 priced filings
Delay-adjustediThe same average, entered at disclosure dates
+25.5%
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
$115K
shares × price, as filed
Last traded
Aug 13 2025
Filed Aug 15 2025
Median ADV $78.9M across their filed names
Open performance→Volume by month
Buys $115K
Sells $0
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Financial Services
1 filing
Sector per market data · by filing · past 24 months
Most traded names
MIAXRecent filings
MIAXPURCHASE
Miami International Holdings, Inc.
View filing →
$115K5,000 sh × $23.00
Exec Aug 13 2025
Filed Aug 15 2025 · 4:48 PM ET