ALT5 SIGMA CORP

Ticker: ALTS CUSIP: 47089W104 Class: Stock

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

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

Q4 2025

Shares 614 Value ($000) $1 Avg Close $1.93 Range $1.08 - $3.10

Q3 2025

Shares 215,850 Value ($000) $581 Avg Close $5.99 Range $2.55 - $9.76

Q2 2025

Shares 5,744 Value ($000) $42 Avg Close $7.03 Range $3.50 - $10.95

Q1 2025

Shares 3,000 Value ($000) $12 Avg Close $5.53 Range $3.84 - $7.75

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	614	$1	$1.93	$1.08 - $3.10
Q3 2025	215,850	$581	$5.99	$2.55 - $9.76
Q2 2025	5,744	$42	$7.03	$3.50 - $10.95
Q1 2025	3,000	$12	$5.53	$3.84 - $7.75