John Todd Koning insider trades

Open-market stock purchases and sales by John Todd Koning, CHIEF FINANCIAL OFFICER at Alphatec Holdings, Inc, from SEC Form 4 filings since Feb 26, 2021.

Track record: 0% of 1 scored buy are up 5% or more since purchase, averaging -5%.

Recent trades

DateStockTradeValue
Mar 13, 2026ATEC Alphatec Holdings, IncSold$986K
Mar 5, 2026ATEC Alphatec Holdings, IncSold (not open market)$866K
Feb 25, 2026ATEC Alphatec Holdings, IncBought (not open market)—
Feb 25, 2026ATEC Alphatec Holdings, IncBought (not open market)—
Feb 25, 2026ATEC Alphatec Holdings, IncBought (not open market)—
Feb 25, 2026ATEC Alphatec Holdings, IncBought (not open market)—
Dec 8, 2025ATEC Alphatec Holdings, IncSold (not open market)$327K

Companies traded

  • ATEC Alphatec Holdings, Inc: 1 buy, 8 sales, last Mar 13, 2026
  • MASI Masimo Corp: other filings, last Feb 26, 2021

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