QUANTUM COMPUTING INC

Ticker: QUBT CUSIP: 74766W108 Class: Common Stock

Vontobel Holding Ltd.'s Holding History (CIK: 0001588340)

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

Q4 2025

Shares 11,873 Value ($000) $122 Avg Close $14.23 Range $9.50 - $25.84

Q3 2025

Shares 10,887 Value ($000) $200 Avg Close $17.16 Range $13.72 - $23.98

Q1 2024

Shares 51,000 Value ($000) $50 Avg Close $0.90 Range $0.71 - $1.32

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	11,873	$122	$14.23	$9.50 - $25.84
Q3 2025	10,887	$200	$17.16	$13.72 - $23.98
Q1 2024	51,000	$50	$0.90	$0.71 - $1.32