Mortimer Berkowitz Iii.

Companies

• Alphatec Holdings, Inc.Board member Jun 2, 2006 to now¹
• Alphatec Holdings, Inc.Chair Oct 15, 2007 to Nov 23, 2007²

Holdings

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

Shares held

• AAlphatec Holdings, Inc. ATEC796,637 shares³$8.3M at $10.39Jun 12, 2026

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

Recent filings

• Jun 10, 2026Granted 32,012 shares of Alphatec Holdings, Inc.³
• Sep 9, 2025Sold 62,500 shares at $15.97 of Alphatec Holdings, Inc.⁴
• Jun 11, 2025Granted 15,131 shares of Alphatec Holdings, Inc.⁵
• Jun 12, 2024Granted 16,747 shares of Alphatec Holdings, Inc.⁶
• Jun 20, 2023Granted 9,908 shares of Alphatec Holdings, Inc.⁷
• May 12, 2023Shares withheld for tax 24,294 shares at $15.55 of Alphatec Holdings, Inc.⁸
• May 12, 2023Exercised options 107,937 shares at $3.50 of Alphatec Holdings, Inc.⁸
• Mar 7, 2023Shares withheld for tax 23,820 shares at $15.86 of Alphatec Holdings, Inc.⁹
• Mar 7, 2023Exercised options 107,937 shares at $3.50 of Alphatec Holdings, Inc.⁹
• Jun 9, 2022Exercised options 200,000 shares at $2.00 of Alphatec Holdings, Inc.¹⁰
• Jun 9, 2022Bought 16,000 shares at $7.20 of Alphatec Holdings, Inc.¹¹
• Jun 7, 2022Exercised options 200,000 shares at $2.00 of Alphatec Holdings, Inc.¹⁰