QUANTUM CORP

Ticker: QMCO CUSIP: 747906600 Class: Stock

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q4 2025

Shares 28,762 Value ($000) $186 Avg Close $8.97 Range $6.22 - $15.33

Q3 2025

Shares 11,687 Value ($000) $116 Avg Close $8.41 Range $6.51 - $12.83

Q2 2025

Shares 11,687 Value ($000) $117 Avg Close $11.05 Range $7.25 - $15.30

Q1 2025

Shares 11,687 Value ($000) $168 Avg Close $21.79 Range $10.11 - $60.88

Q4 2024

Shares 10,407 Value ($000) $561 Avg Close $14.51 Range $2.88 - $90.64

Q3 2024

Shares 11,192 Value ($000) $39 Avg Close $5.65 Range $2.22 - $10.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	28,762	$186	$8.97	$6.22 - $15.33
Q3 2025	11,687	$116	$8.41	$6.51 - $12.83
Q2 2025	11,687	$117	$11.05	$7.25 - $15.30
Q1 2025	11,687	$168	$21.79	$10.11 - $60.88
Q4 2024	10,407	$561	$14.51	$2.88 - $90.64
Q3 2024	11,192	$39	$5.65	$2.22 - $10.00