ALLEGHENY TECHNOLOGIES INC

Ticker: ATI CUSIP: 01741R102 Class: EQTY

LTS One Management LP's Holding History (CIK: 0001894188)

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

Q4 2025

Shares 102,500 Value ($000) $11,763 Avg Close $97.45 Range $79.29 - $117.48

Q3 2025

Shares 210,000 Value ($000) $17,081 Avg Close $81.04 Range $70.42 - $96.20

Q2 2025

Shares 305,000 Value ($000) $26,334 Avg Close $68.45 Range $39.23 - $87.75

Q3 2024

Shares 250,000 Value ($000) $16,728 Avg Close $62.09 Range $53.90 - $68.92

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	102,500	$11,763	$97.45	$79.29 - $117.48
Q3 2025	210,000	$17,081	$81.04	$70.42 - $96.20
Q2 2025	305,000	$26,334	$68.45	$39.23 - $87.75
Q3 2024	250,000	$16,728	$62.09	$53.90 - $68.92