ALLEGHENY TECHNOLOGIES INC

Ticker: ATI CUSIP: 01741R102 Class: EQTY

Ballentine Partners, LLC's Holding History (CIK: 0001374889)

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

Q4 2025

Shares 3,533 Value ($000) $405 Avg Close $97.45 Range $79.29 - $117.48

Q3 2025

Shares 3,347 Value ($000) $272 Avg Close $81.04 Range $70.42 - $96.20

Q2 2025

Shares 3,461 Value ($000) $299 Avg Close $68.45 Range $39.23 - $87.75

Q1 2024

Shares 21,456 Value ($000) $1,098 Avg Close $45.22 Range $38.04 - $51.95

Q4 2023

Shares 24,197 Value ($000) $1,100 Avg Close $41.52 Range $35.03 - $46.57

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,533	$405	$97.45	$79.29 - $117.48
Q3 2025	3,347	$272	$81.04	$70.42 - $96.20
Q2 2025	3,461	$299	$68.45	$39.23 - $87.75
Q1 2024	21,456	$1,098	$45.22	$38.04 - $51.95
Q4 2023	24,197	$1,100	$41.52	$35.03 - $46.57