Alphatec Holdings, Inc. (ATEC) Insider Ownership

Historic Insider Ownership Trends

Over the 90-day window ending February 19, 2026, Alphatec Holdings's three dominant insider ownership positions are held by TenPercentOwner Healthcare Partners, Llc L-5 (11.08Mn shares), Director David R Pelizzon (10.74Mn shares), TenPercentOwner Jennifer N. Pritzker (10.70Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Healthcare Partners, Llc L-5 11,081,538 12 May, 2023
David R Pelizzon 10,741,872 13 Jun, 2025
Jennifer N. Pritzker 10,703,045 10 Aug, 2023
Capital Llc Squadron 10,645,045 10 Dec, 2025
Capital Holdings Llc Squadron 10,645,045 10 Dec, 2025
Patrick Miles Ceo 5,385,398 06 Jan, 2026
Ward W Jr Woods 2,210,602 13 Jun, 2025
Craig E Hunsaker Evp And People & Culture 1,383,096 17 Feb, 2026
Mortimer Iii Berkowitz 1,229,152 11 Sep, 2025
Evan Bakst 1,155,785 14 Jun, 2024
James L L Tullis 735,793 13 Sep, 2023
Brian Snider Evp And Marketing 655,382 09 Aug, 2022
Scott Lish Chief Operating Officer 641,432 18 Dec, 2025
Quentin S. Blackford 568,369 13 Jun, 2025
Kelli Mari Howell Evp And Clinical Strategies 540,098 09 Aug, 2022
John Todd Koning Chief Financial Officer 445,955 10 Dec, 2025
David M Demski 399,623 12 Dec, 2025
Jeffrey P Rydin 385,441 05 Nov, 2025
David Sponsel Evp And Sales 349,500 06 Feb, 2026
Tyson Eliot Marshall General Counsel & Corp. Sec. 345,442 09 Dec, 2025
Donald Allen Williams 134,728 21 Jun, 2021
Paul Segal 100,000 14 Jun, 2023
Keith Valentine 97,271 13 Jun, 2025
David H Mowry 92,381 13 Sep, 2023
Jason Hochberg 84,375 16 Dec, 2021
Karen K Mcginnis 68,709 13 Jun, 2025
Marie Meynadier 59,126 21 Jun, 2023
Elizabeth Ann Altman 41,066 21 Jun, 2023
Andy Barnett 18,546 17 Jun, 2022

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
12 Feb, 2026 Craig E Hunsaker Common Stock A 31,710 $1.93 1,204,735 D M
12 Feb, 2026 Craig E Hunsaker Common Stock A 78,249 $2.69 1,403,232 D M
12 Feb, 2026 Craig E Hunsaker Common Stock A 120,248 $1.68 1,324,983 D M
12 Feb, 2026 Craig E Hunsaker Common Stock A 20,969 $3.09 1,424,201 D M
12 Feb, 2026 Craig E Hunsaker Common Stock D 41,105 $13.10 1,383,096 D F
05 Feb, 2026 David Sponsel Common Stock D 60,425 $13.79 349,500 D S
03 Feb, 2026 Craig E Hunsaker Common Stock D 37,358 $14.71 1,173,025 D S
05 Jan, 2026 Patrick Miles Common Stock D 100,000 $21.01 5,135,398 D S
16 Dec, 2025 David R Pelizzon Common Stock D 250,000 $19.66 10,395,045 I S
16 Dec, 2025 Scott Lish Common Stock D 19,900 $19.64 641,432 D S
11 Dec, 2025 David M Demski Common Stock D 30,000 $21.20 399,623 D S
11 Dec, 2025 David M Demski - - 399,623 D
10 Dec, 2025 Craig E Hunsaker Common Stock D 32,584 $20.84 1,256,558 D S
10 Dec, 2025 David Sponsel Common Stock D 21,106 $20.79 439,767 D S
09 Dec, 2025 David R Pelizzon Common Stock D 28,834 $21.03 10,645,045 I S
09 Dec, 2025 Capital Llc Squadron Common Stock D 28,834 $21.03 10,645,045 D S
09 Dec, 2025 Capital Holdings Llc Squadron - - 10,645,045 I
09 Dec, 2025 Capital Holdings Llc Squadron Common Stock D 28,834 $21.03 10,645,045 I S
09 Dec, 2025 Jennifer N. Pritzker Common Stock D 28,834 $21.03 10,645,045 I S
08 Dec, 2025 Patrick Miles Common Stock D 28,680 $21.45 5,235,398 D F