Form4insider filings, from the source

Insider · CIK 0001289408

Keith Valentine

Files at: RGNT, ATEC, SPNE, SIBN, NUVA. 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——264,283—

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jul 9, 2026 AForm 4 →Jul 13, 5:06 pm EDTREGENTIS BIOMATERIALS LTD.RGNT24,826——24,826—