AMERICAN BITCOIN CORP.

Ticker: ABTC CUSIP: 02462A104 Class: COMMON STOCK

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2025

Shares 549,183 Value ($000) $934 Avg Close $4.17 Range $1.56 - $7.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	549,183	$934	$4.17	$1.56 - $7.50