QUANTUM SI INC

Ticker: QSI CUSIP: 74765K105 Class: Common Stock

Sanctuary Advisors, LLC's Holding History (CIK: 0001777271)

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

Q4 2025

Shares 42,413 Value ($000) $47 Avg Close $1.63 Range $1.07 - $3.10

Q3 2025

Shares 36,782 Value ($000) $44 Avg Close $1.45 Range $0.95 - $2.18

Q2 2025

Shares 36,337 Value ($000) $71 Avg Close $1.48 Range $1.02 - $2.15

Q1 2025

Shares 36,782 Value ($000) $44 Avg Close $1.92 Range $1.12 - $5.77

Q4 2024

Shares 35,243 Value ($000) $69 Avg Close $1.17 Range $0.61 - $4.14

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	42,413	$47	$1.63	$1.07 - $3.10
Q3 2025	36,782	$44	$1.45	$0.95 - $2.18
Q2 2025	36,337	$71	$1.48	$1.02 - $2.15
Q1 2025	36,782	$44	$1.92	$1.12 - $5.77
Q4 2024	35,243	$69	$1.17	$0.61 - $4.14