Form4insider filings, from the source

Insider · CIK 0001364333

Mortimer Berkowitz III

Files at: ATEC. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 10, 2026 AForm 4 →Jun 12, 5:30 pm EDTAlphatec Holdings, Inc.ATEC32,012——650,062—

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.