DP
David R Pelizzon (Director) filed 8 Form 4 reports in the trailing twelve months (0 purchases, 8 sales), most often in Alphatec Holdings, Inc. (ATEC). The largest single filing was $7.8M of KIDS (336,831 sh across 2 lots, as filed), executed Aug 28. Data as of Nov 7 2026.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
8
0 buys · 8 sells
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$25.8M
shares × price, as filed
Last traded
Sep 10
Filed Sep 10
Median ADV $4.4M across their filed names
Open performance→Volume by month
Buys $0
Sells $36.1M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Healthcare
8 filings
Sector per market data · by filing · past 12 months
Most traded names
ATECRecent filings
KIDSSALE
OrthoPediatrics Corp.
View filing →
$6.4M302,369 sh × $21.01
Exec Sep 10
Filed Sep 10 · 4:21 PM ET KIDSSALE OrthoPediatrics Corp. View filing → $525K
22,500 sh × $23.35
Exec Sep 2
Filed Sep 4 · 4:26 PM ET KIDSSALE OrthoPediatrics Corp. View filing → $7.8M
336,831 sh across 2 lots
Exec Aug 28
Filed Sep 1 · 5:13 PM ET KIDSSALE OrthoPediatrics Corp. View filing → $943K
38,300 sh across 3 lots
Exec Aug 24
Filed Aug 26 · 6:17 PM ET ATECSALE Alphatec Holdings, Inc. View filing → $4.9M
250,000 sh × $19.66
Exec Dec 16 2025
Filed Dec 18 2025 · 5:30 PM ET ATECSALE Alphatec Holdings, Inc. View filing → $5.3M
250,000 sh across 2 lots
Exec Dec 8 2025
Filed Dec 10 2025 · 5:30 PM ET ATECSALE Alphatec Holdings, Inc. View filing → $5.2M
250,000 sh × $20.62
Exec Nov 24 2025
Filed Nov 25 2025 · 5:30 PM ET ATECSALE Alphatec Holdings, Inc. View filing → $5.2M
250,000 sh × $20.80
Exec Nov 12 2025
Filed Nov 14 2025 · 5:30 PM ET