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CIK 0001018963 · Large accelerated filer

Ticker
ATI
Exchange
NYSE
Industry
Steel Pipe & Tubes
FY end
Dec 28
Incorporated
DE
Entity type
operating
EIN
251792394
Phone
4123942800
Business address
2021 MCKINNEY AVENUE, DALLAS, TX, 75201
Former names
ALLEGHENY TECHNOLOGIES INC, ALLEGHENY TELEDYNE INC
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$21,460,635
in 7 filings, $21.0M under 10b5-1 plans

Net −$21,460,635. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-01-05 Foster James Robert SVP, Finance and CFO Grant or award +6,517 63,078
2026-01-05 Foster James Robert SVP, Finance and CFO Shares withheld for taxes −2,835 $121.08 $343K 60,243
2026-01-05 Foster James Robert SVP, Finance and CFO Shares withheld for taxes −2,256 $121.08 $273K 57,987
2026-01-05 Foster James Robert SVP, Finance and CFO Option exercise · Performance Stock Unit −25,641 25,641
2026-01-05 WETHERBEE ROBERT S Executive Chairman Option exercise +362,644 186,538.34
2026-01-05 WETHERBEE ROBERT S Executive Chairman Shares withheld for taxes −69,369 $121.08 $8.4M 293,275.34
2026-01-05 WETHERBEE ROBERT S Executive Chairman Grant or award +185,276 478,551.34
2026-01-05 WETHERBEE ROBERT S Executive Chairman Shares withheld for taxes −72,907 $121.08 $8.8M 405,644.34
2026-01-05 WETHERBEE ROBERT S Executive Chairman Shares withheld for taxes −16,021 $121.08 $1.9M 389,623.34
2026-01-05 WETHERBEE ROBERT S Executive Chairman Option exercise · Performance Stock Unit −64,103 64,102
2026-01-05 Miller Michael Benjamin VP Chief Accounting Officer Grant or award +854 8,426
2026-01-05 Miller Michael Benjamin VP Chief Accounting Officer Shares withheld for taxes −374 $121.08 $45K 8,052
2026-01-05 Fields Kimberly A President, CEO and Director Grant or award +12,510 215,178
2026-01-05 Fields Kimberly A President, CEO and Director Option exercise +98,620 313,798
2026-01-05 Fields Kimberly A President, CEO and Director Shares withheld for taxes −38,871 $121.08 $4.7M 274,927
2026-01-05 Fields Kimberly A President, CEO and Director Grant or award +82,216 357,143
2026-01-05 Fields Kimberly A President, CEO and Director Shares withheld for taxes −32,352 $121.08 $3.9M 324,791
2026-01-05 Fields Kimberly A President, CEO and Director Shares withheld for taxes −7,028 $121.08 $851K 317,763
2026-01-05 Fields Kimberly A President, CEO and Director Option exercise · Performance Stock Unit −35,898 35,897
2026-01-05 Harris Timothy J Senior VP and CDIO Grant or award +2,677 100,987

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