QUANTUM SI INC

Ticker: QSI CUSIP: 74765K105 Class: Common Stock

Abel Hall, LLC's Holding History (CIK: 0002013339)

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

Q1 2025

Shares 12,008 Value ($000) $14 Avg Close $1.92 Range $1.12 - $5.77

Q4 2024

Shares 10,432 Value ($000) $28 Avg Close $1.17 Range $0.61 - $4.14

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	12,008	$14	$1.92	$1.12 - $5.77
Q4 2024	10,432	$28	$1.17	$0.61 - $4.14