Tyson Eliot Marshall

Companies

• Alphatec Holdings, Inc.General counsel Jul 21, 2023 to now¹

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. ATEC630,398 shares²$6.5M at $10.39Aug 5, 2026

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

Recent filings

• Aug 5, 2026Sold 8,168 shares at $9.65 of Alphatec Holdings, Inc.²
• Apr 7, 2026Shares withheld for tax 23,393 shares at $11.03 of Alphatec Holdings, Inc.³
• Apr 7, 2026Exercised options 60,000 shares at $2.69 of Alphatec Holdings, Inc.³
• Apr 7, 2026Exercised options 12,500 shares at $3.34 of Alphatec Holdings, Inc.³
• Apr 7, 2026Exercised options 15,000 shares at $1.68 of Alphatec Holdings, Inc.³
• Apr 7, 2026Exercised options 15,000 shares at $1.98 of Alphatec Holdings, Inc.³
• Mar 5, 2026Sold 88,835 shares at $12.49 of Alphatec Holdings, Inc.⁴
• Feb 25, 2026Granted 12,840 shares of Alphatec Holdings, Inc.⁵
• Feb 25, 2026Granted 84,918 shares of Alphatec Holdings, Inc.⁵
• Feb 25, 2026Granted 205,094 shares of Alphatec Holdings, Inc.⁵
• Dec 5, 2025Sold 12,965 shares at $21.47 of Alphatec Holdings, Inc.⁶
• Dec 5, 2025Sold 9,924 shares at $21.48 of Alphatec Holdings, Inc.⁶
• Nov 20, 2025Sold 70,000 shares at $19.51 of Alphatec Holdings, Inc.⁷
• Aug 5, 2025Sold 8,168 shares at $14.96 of Alphatec Holdings, Inc.⁸
• Aug 5, 2025Sold 9,924 shares at $14.86 of Alphatec Holdings, Inc.⁸
• Aug 1, 2025Sold 12,878 shares at $12.00 of Alphatec Holdings, Inc.⁸
• Jul 10, 2025Sold 1,500 shares at $12.00 of Alphatec Holdings, Inc.⁹
• Apr 1, 2025Granted 19,848 shares of Alphatec Holdings, Inc.¹⁰
• Mar 6, 2025Shares withheld for tax 27,805 shares at $11.44 of Alphatec Holdings, Inc.¹¹
• Jan 29, 2025Granted 12,965 shares of Alphatec Holdings, Inc.¹²
• Jan 29, 2025Granted 114,322 shares of Alphatec Holdings, Inc.¹²
• Jan 29, 2025Granted 105,833 shares of Alphatec Holdings, Inc.¹²
• Jun 12, 2024Sold 50,232 shares at $10.88 of Alphatec Holdings, Inc.¹³
• Mar 6, 2024Sold 9,225 shares at $13.16 of Alphatec Holdings, Inc.¹⁴
• Mar 1, 2024Sold 11,825 shares at $13.30 of Alphatec Holdings, Inc.¹⁵