ALPHATEC HLDGS INC

Ticker: ATEC CUSIP: 02081G201 Class: Com

Optiver Holding B.V.'s Holding History (CIK: 0001859606)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 474 Value ($000) $10 Avg Close $18.51 Range $13.13 - $22.66

Q3 2025

Shares 898 Value ($000) $13 Avg Close $13.92 Range $10.11 - $16.70

Q4 2021

Shares 4,904 Value ($000) $60 Avg Close $11.81 Range $10.31 - $13.94

Q3 2021

Shares 4,904 Value ($000) $60 Avg Close $13.95 Range $11.61 - $16.47

Q2 2021

Shares 4,904 Value ($000) $75 Avg Close $15.43 Range $13.33 - $18.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	474	$10	$18.51	$13.13 - $22.66
Q3 2025	898	$13	$13.92	$10.11 - $16.70
Q4 2021	4,904	$60	$11.81	$10.31 - $13.94
Q3 2021	4,904	$60	$13.95	$11.61 - $16.47
Q2 2021	4,904	$75	$15.43	$13.33 - $18.00