QUANTUM CORP

Ticker: QMCO CUSIP: 747906600 Class: Stock

WHITTIER TRUST CO's Holding History (CIK: 0001137881)

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

Q3 2025

Shares 187 Value ($000) $2 Avg Close $8.41 Range $6.51 - $12.83

Q2 2025

Shares 187 Value ($000) $2 Avg Close $11.05 Range $7.25 - $15.30

Q1 2025

Shares 187 Value ($000) $3 Avg Close $21.79 Range $10.11 - $60.88

Q4 2024

Shares 187 Value ($000) $10 Avg Close $14.51 Range $2.88 - $90.64

Q3 2024

Shares 187 Value ($000) $1 Avg Close $5.65 Range $2.22 - $10.00

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	187	$2	$8.41	$6.51 - $12.83
Q2 2025	187	$2	$11.05	$7.25 - $15.30
Q1 2025	187	$3	$21.79	$10.11 - $60.88
Q4 2024	187	$10	$14.51	$2.88 - $90.64
Q3 2024	187	$1	$5.65	$2.22 - $10.00