Keith Valentine

Companies

• REGENTIS BIOMATERIALS LTD.Board member Mar 18, 2026 to now¹
• Alphatec Holdings, Inc.Board member Jul 31, 2024 to now²
• SI-Bone (United States)Board member Oct 16, 2018 to Jun 13, 2023³
• Orthofix Medical Inc.Board member Jan 9, 2023 to Mar 2, 2023⁴
• Orthofix Medical Inc.Chief executive officer Jan 9, 2023 to Mar 2, 2023⁴
• Orthofix Medical Inc.President Jan 9, 2023 to Mar 2, 2023⁴
• SeaSpine Holdings CorpBoard member Nov 21, 2016 to Jan 9, 2023⁵
• SeaSpine Holdings CorpChief executive officer Jun 11, 2015 to Jan 9, 2023⁶
• NuVasiveChief operating officer Jan 18, 2007 to Jan 29, 2015⁷
• NuVasivePresident Jan 5, 2006 to Sep 3, 2014⁸

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• OMOrthofix Medical Inc. OFIX377,741 shares⁹$3.6M at $9.65Feb 28, 2023
• AAlphatec Holdings, Inc. ATEC264,283 shares¹⁰$2.7M at $10.39Jun 10, 2026
• SI-Bone (United States) SIBN57,209 shares¹¹$1.1M at $19.58Jun 9, 2023
• SSeaSpine Holdings Corp0 shares¹²Jan 5, 2023

As of each latest filing. The line shows shares held over time.

Recent filings

• Jun 10, 2026Granted 32,012 shares of Alphatec Holdings, Inc.¹⁰
• May 11, 2026Bought 35,000 shares at $7.00 of Alphatec Holdings, Inc.¹³
• May 8, 2026Bought 43,847 shares at $7.54 of Alphatec Holdings, Inc.¹³
• May 7, 2026Bought 56,153 shares at $7.49 of Alphatec Holdings, Inc.¹³
• Jun 11, 2025Granted 15,131 shares of Alphatec Holdings, Inc.¹⁴
• Aug 2, 2024Bought 39,000 shares at $6.55 of Alphatec Holdings, Inc.¹⁵
• Jul 29, 2024Granted 28,063 shares of Alphatec Holdings, Inc.¹⁶
• Jul 29, 2024Granted 15,077 shares of Alphatec Holdings, Inc.¹⁶
• Jun 9, 2023Granted 4,866 shares of SI-Bone (United States)¹¹
• Feb 28, 2023Shares withheld for tax 16,290 shares at $20.60 of Orthofix Medical Inc.⁹
• Jan 30, 2023Shares withheld for tax 5,824 shares at $21.22 of Orthofix Medical Inc.¹⁷
• Jan 5, 2023Granted 140,515 shares of Orthofix Medical Inc.¹⁸
• Jan 5, 2023Returned to company 333,797 shares of SeaSpine Holdings Corp¹²
• Jan 1, 2023Shares withheld for tax 7,170 shares at $8.35 of SeaSpine Holdings Corp¹⁹
• Jan 1, 2023Exercised options 12,183 shares of SeaSpine Holdings Corp¹⁹
• Jun 30, 2022Other 2,385 shares at $4.80 of SeaSpine Holdings Corp²⁰
• Jun 16, 2022Granted 8,324 shares of SI-Bone (United States)²¹
• Jan 28, 2022Shares withheld for tax 13,798 shares at $11.39 of SeaSpine Holdings Corp²²
• Jan 28, 2022Exercised options 26,196 shares of SeaSpine Holdings Corp²²
• Jan 1, 2022Shares withheld for tax 11,167 shares at $13.62 of SeaSpine Holdings Corp²³
• Jan 1, 2022Exercised options 12,183 shares of SeaSpine Holdings Corp²³
• Jan 1, 2022Exercised options 7,789 shares of SeaSpine Holdings Corp²³
• Dec 31, 2021Other 1,026 shares at $8.92 of SeaSpine Holdings Corp²³