ALLEGHENY TECHNOLOGIES INC

Ticker: ATI CUSIP: 01741R102 Class: EQTY

BOKF, NA's Holding History (CIK: 0000009634)

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

Q2 2025

Shares 14 Value ($000) $1 Avg Close $68.45 Range $39.23 - $87.75

Q1 2025

Shares 14 Value ($000) $1 Avg Close $56.77 Range $49.07 - $66.80

Q4 2024

Shares 14 Value ($000) $1 Avg Close $58.97 Range $52.45 - $67.09

Q4 2023

Shares 134 Value ($000) $6 Avg Close $41.52 Range $35.03 - $46.57

Q3 2023

Shares 134 Value ($000) $5 Avg Close $44.44 Range $41.04 - $47.92

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	14	$1	$68.45	$39.23 - $87.75
Q1 2025	14	$1	$56.77	$49.07 - $66.80
Q4 2024	14	$1	$58.97	$52.45 - $67.09
Q4 2023	134	$6	$41.52	$35.03 - $46.57
Q3 2023	134	$5	$44.44	$41.04 - $47.92