MI
Mortimer Berkowitz III (Director) filed 1 Form 4 report in the past 24 months (0 purchases, 1 sale), most often in Alphatec Holdings, Inc. (ATEC). The largest single filing was $998K of ATEC (62,500 sh × $15.97, as filed), executed Sep 9 2025. Data as of Nov 8 2026.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
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returns measure stock purchases only
Filings, ttm
1
0 buys · 1 sells
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$998K
shares × price, as filed
Last traded
Sep 9 2025
Filed Sep 11 2025
Median ADV $21.7M across their filed names
Open performance→Volume by month
Buys $0
Sells $998K
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
ATECRecent filings
ATECSALE
Alphatec Holdings, Inc.
View filing →
$998K62,500 sh × $15.97
Exec Sep 9 2025
Filed Sep 11 2025 · 5:30 PM ET