QUANTUM COMPUTING INC

Ticker: QUBT CUSIP: 74766W108 Class: Common Stock

Clear Street Group Inc.'s Holding History (CIK: 0001881567)

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

Q4 2025

Shares 1,149,865 Value ($000) $11,798 Avg Close $14.23 Range $9.50 - $25.84

Q3 2025

Shares 2,089,104 Value ($000) $38,460 Avg Close $17.16 Range $13.72 - $23.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,149,865	$11,798	$14.23	$9.50 - $25.84
Q3 2025	2,089,104	$38,460	$17.16	$13.72 - $23.98