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John Todd Koning

CHIEF FINANCIAL OFFICER

John Todd Koning (CHIEF FINANCIAL OFFICER) filed 1 Form 4 report in the trailing twelve months (0 purchases, 1 sale), most often in Alphatec Holdings, Inc. (ATEC). The largest single filing was $986K of ATEC (79,789 sh × $12.36, as filed), executed Mar 13.

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Return, 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
1
0 buys · 1 sells
Median delay
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$986K
shares × price, as filed
Last traded
Mar 13
Filed Mar 17

Median ADV $21.7M across their filed names

Open performance
Volume by month
$1.6M$802K$0Oct 2024Apr 2025Oct 2025Apr 2026Mar 2025 · sells $1.6MApr 2025 · sells $402KMar 2026 · sells $986K
Buys $0 Sells $3.0M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Healthcare 1 filing

Sector per market data · by filing · past 12 months

Most traded names
ATEC Alphatec Holdings, Inc. ATEC · 0 buys · 3 sells 3 filings
Recent filings
ATECSALE Alphatec Holdings, Inc. View filing → $986K
79,789 sh × $12.36
Exec Mar 13
Filed Mar 17 · 5:30 PM ET
ATECSALE Alphatec Holdings, Inc. View filing → $402K
37,500 sh × $10.71
Exec Apr 22 2025
Filed Apr 23 2025 · 5:30 PM ET
ATECSALE Alphatec Holdings, Inc. View filing → $1.6M
165,121 sh × $9.72
Exec Mar 10 2025
Filed Mar 12 2025 · 5:30 PM ET