ALLEGHENY TECHNOLOGIES INC

Ticker: ATI CUSIP: 01741R102 Class: EQTY

Brooklyn Investment Group's Holding History (CIK: 0001795705)

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

Q4 2025

Shares 6,687 Value ($000) $780 Avg Close $97.45 Range $79.29 - $117.48

Q2 2025

Shares 1,749 Value ($000) $151 Avg Close $68.45 Range $39.23 - $87.75

Q1 2025

Shares 282 Value ($000) $15 Avg Close $56.77 Range $49.07 - $66.80

Q4 2024

Shares 6 Value ($000) $0 Avg Close $58.97 Range $52.45 - $67.09

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,687	$780	$97.45	$79.29 - $117.48
Q2 2025	1,749	$151	$68.45	$39.23 - $87.75
Q1 2025	282	$15	$56.77	$49.07 - $66.80
Q4 2024	6	$0	$58.97	$52.45 - $67.09