Keith Valentine insider trades

Open-market stock purchases and sales by Keith Valentine, Unknown at Alphatec Holdings, Inc, from SEC Form 4 filings since Oct 20, 2004.

Track record: 100% of 4 scored buys are up 5% or more since purchase, averaging +49%.

Recent trades

DateStockTradeValue
Jun 10, 2026ATEC Alphatec Holdings, IncBought (not open market)—
May 11, 2026ATEC Alphatec Holdings, IncBought$245K
May 8, 2026ATEC Alphatec Holdings, IncBought$331K
May 7, 2026ATEC Alphatec Holdings, IncBought$421K

Companies traded

  • ATEC Alphatec Holdings, Inc: 4 buys, last Jun 10, 2026
  • SIBN SI-BONE, Inc: other filings, last Jun 9, 2023
  • OFIX Orthofix Medical Inc: other filings, last Feb 28, 2023
  • SPNE SeaSpine Holdings Corp: 7 buys, last Jan 5, 2023
  • NUVA Nuvasive Inc: 22 sales, last Jan 28, 2015

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