QUANTUM COMPUTING INC

Ticker: QUBT CUSIP: 74766W108 Class: Common Stock

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q4 2025

Shares 184,772 Value ($000) $2 Avg Close $14.23 Range $9.50 - $25.84

Q3 2025

Shares 97,389 Value ($000) $2 Avg Close $17.16 Range $13.72 - $23.98

Q2 2025

Shares 79,438 Value ($000) $2 Avg Close $11.02 Range $5.76 - $21.73

Q1 2025

Shares 22,458 Value ($000) $0 Avg Close $8.80 Range $4.37 - $20.36

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	184,772	$2	$14.23	$9.50 - $25.84
Q3 2025	97,389	$2	$17.16	$13.72 - $23.98
Q2 2025	79,438	$2	$11.02	$5.76 - $21.73
Q1 2025	22,458	$0	$8.80	$4.37 - $20.36