JS
Insider
Joseph D Samberg
10% ownerJoseph D Samberg (10% owner) filed 2 Form 4 reports in the trailing twelve months (1 purchase, 1 sale), most often in NextNav Inc. (NN). Across 1 priced purchase filing, the average 21-session return was +53.1% from execution and +43.1% from disclosure (delay-adjusted; derived). The largest single filing was $7.4M of NN (600,000 sh across 2 lots, as filed), executed Nov 13 2025.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
+53.1%
avg across 1 priced filings
Delay-adjustediThe same average, entered at disclosure dates
+43.1%
same 1 filings, from disclosure
Filings, ttm
2
1 buys · 1 sells
Median delay
3d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$8.1M
shares × price, as filed
Last traded
Nov 21 2025
Filed Nov 24 2025
Median ADV $41.6M across their filed names
Open performance→Volume by month
Buys $693K
Sells $7.4M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Technology
2 filings
Sector per market data · by filing · past 12 months
Most traded names
NNRecent filings
NNPURCHASE
NextNav Inc.
View filing →
$693K58,457 sh × $11.86
Exec Nov 21 2025
Filed Nov 24 2025 · 6:34 PM ET NNSALE NextNav Inc. View filing → $7.4M
600,000 sh across 2 lots
Exec Nov 13 2025
Filed Nov 17 2025 · 5:30 PM ET