ALLEGHENY TECHNOLOGIES INC

Ticker: ATI CUSIP: 01741R102 Class: EQTY

Cornerstone Planning Group LLC's Holding History (CIK: 0001822587)

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

Q3 2025
Shares 1 Value ($000) $0 Avg Close $81.04 Range $70.42 - $96.20
Q4 2024
Shares 6 Value ($000) $0 Avg Close $58.97 Range $52.45 - $67.09