ALLEGHENY TECHNOLOGIES INC

Ticker: ATI CUSIP: 01741R102 Class: EQTY

Senator Investment Group LP's Holding History (CIK: 0001443689)

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

Q4 2025
Shares 325,000 Value ($000) $37,297 Avg Close $97.45 Range $79.29 - $117.48
Q3 2025
Shares 325,000 Value ($000) $26,436 Avg Close $81.04 Range $70.42 - $96.20
Q2 2025
Shares 750,000 Value ($000) $64,755 Avg Close $68.45 Range $39.23 - $87.75
Q1 2025
Shares 1,212,500 Value ($000) $63,086 Avg Close $56.77 Range $49.07 - $66.80
Q4 2024
Shares 718,556 Value ($000) $39,549 Avg Close $58.97 Range $52.45 - $67.09
Q3 2024
Shares 690,000 Value ($000) $46,168 Avg Close $62.09 Range $53.90 - $68.92
Q2 2024
Shares 891,138 Value ($000) $49,414 Avg Close $56.03 Range $47.90 - $62.44
Q1 2024
Shares 333,000 Value ($000) $17,040 Avg Close $45.22 Range $38.04 - $51.95