Document Format Files
| Seq | Description | Document | Type | Size |
|---|---|---|---|---|
| 1 | DEF 14A | d431422ddef14a.htm iXBRL | DEF 14A | 2098165 |
| 6 | GRAPHIC | g431422g005a.jpg | GRAPHIC | 5060 |
| 7 | GRAPHIC | g431422g005g.jpg | GRAPHIC | 3398 |
| 8 | GRAPHIC | g431422g007b.jpg | GRAPHIC | 6295 |
| 9 | GRAPHIC | g431422g007c.jpg | GRAPHIC | 2744 |
| 10 | GRAPHIC | g431422g007d.jpg | GRAPHIC | 3324 |
| 11 | GRAPHIC | g431422g007e.jpg | GRAPHIC | 3903 |
| 12 | GRAPHIC | g431422g007f.jpg | GRAPHIC | 2380 |
| 13 | GRAPHIC | g431422g007g.jpg | GRAPHIC | 1123 |
| 14 | GRAPHIC | g431422g007h.jpg | GRAPHIC | 1489 |
| 15 | GRAPHIC | g431422g007i.jpg | GRAPHIC | 1090 |
| 16 | GRAPHIC | g431422g007j.jpg | GRAPHIC | 6269 |
| 17 | GRAPHIC | g431422g008a.jpg | GRAPHIC | 1515 |
| 18 | GRAPHIC | g431422g009a.jpg | GRAPHIC | 2744 |
| 19 | GRAPHIC | g431422g009b.jpg | GRAPHIC | 3324 |
| 20 | GRAPHIC | g431422g00t01.jpg | GRAPHIC | 107843 |
| 21 | GRAPHIC | g431422g00t02.jpg | GRAPHIC | 112683 |
| 22 | GRAPHIC | g431422g01x90.jpg | GRAPHIC | 35459 |
| 23 | GRAPHIC | g431422g02x92.jpg | GRAPHIC | 29999 |
| 24 | GRAPHIC | g431422g02x93.jpg | GRAPHIC | 31698 |
| 25 | GRAPHIC | g431422g02x94.jpg | GRAPHIC | 23788 |
| 26 | GRAPHIC | g431422g02x95.jpg | GRAPHIC | 30165 |
| 27 | GRAPHIC | g431422g02x96.jpg | GRAPHIC | 18565 |
| 28 | GRAPHIC | g431422g02z10.jpg | GRAPHIC | 59400 |
| 29 | GRAPHIC | g431422g04x91.jpg | GRAPHIC | 19852 |
| 30 | GRAPHIC | g431422g05z39.jpg | GRAPHIC | 227722 |
| 31 | GRAPHIC | g431422g06a06.jpg | GRAPHIC | 461575 |
| 32 | GRAPHIC | g431422g06x93.jpg | GRAPHIC | 115073 |
| 33 | GRAPHIC | g431422g07v42.jpg | GRAPHIC | 104275 |
| 34 | GRAPHIC | g431422g07v43.jpg | GRAPHIC | 151711 |
| 35 | GRAPHIC | g431422g10v44.jpg | GRAPHIC | 34609 |
| 36 | GRAPHIC | g431422g10v45.jpg | GRAPHIC | 155775 |
| 37 | GRAPHIC | g431422g12c20.jpg | GRAPHIC | 38306 |
| 38 | GRAPHIC | g431422g13a10.jpg | GRAPHIC | 29090 |
| 39 | GRAPHIC | g431422g13a20.jpg | GRAPHIC | 28471 |
| 40 | GRAPHIC | g431422g13a30.jpg | GRAPHIC | 28321 |
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| 47 | GRAPHIC | g431422g13x52.jpg | GRAPHIC | 159717 |
| 48 | GRAPHIC | g431422g13x70.jpg | GRAPHIC | 79391 |
| 49 | GRAPHIC | g431422g14a10.jpg | GRAPHIC | 38368 |
| 50 | GRAPHIC | g431422g14a20.jpg | GRAPHIC | 38832 |
| 51 | GRAPHIC | g431422g14x01.jpg | GRAPHIC | 54220 |
| 52 | GRAPHIC | g431422g15a10.jpg | GRAPHIC | 42399 |
| 53 | GRAPHIC | g431422g15a20.jpg | GRAPHIC | 41603 |
| 54 | GRAPHIC | g431422g15b22.jpg | GRAPHIC | 28461 |
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| 56 | GRAPHIC | g431422g16a10.jpg | GRAPHIC | 38558 |
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| 58 | GRAPHIC | g431422g16a30.jpg | GRAPHIC | 60488 |
| 59 | GRAPHIC | g431422g17a10.jpg | GRAPHIC | 38235 |
| 60 | GRAPHIC | g431422g17a20.jpg | GRAPHIC | 38474 |
| 61 | GRAPHIC | g431422g17a30.jpg | GRAPHIC | 38346 |
| 62 | GRAPHIC | g431422g18a99.jpg | GRAPHIC | 36079 |
| 63 | GRAPHIC | g431422g21a10.jpg | GRAPHIC | 49406 |
| 64 | GRAPHIC | g431422g21b13.jpg | GRAPHIC | 40968 |
| 65 | GRAPHIC | g431422g21k14.jpg | GRAPHIC | 46769 |
| 66 | GRAPHIC | g431422g21m01.jpg | GRAPHIC | 402119 |
| 67 | GRAPHIC | g431422g21x90.jpg | GRAPHIC | 102925 |
| 68 | GRAPHIC | g431422g24h87.jpg | GRAPHIC | 141371 |
| 69 | GRAPHIC | g431422g27x91.jpg | GRAPHIC | 165316 |
| 70 | GRAPHIC | g431422g29a10.jpg | GRAPHIC | 40420 |
| 71 | GRAPHIC | g431422g33m01.jpg | GRAPHIC | 298343 |
| 72 | GRAPHIC | g431422g33m02.jpg | GRAPHIC | 315582 |
| 73 | GRAPHIC | g431422g33m04.jpg | GRAPHIC | 9124 |
| 74 | GRAPHIC | g431422g34x92.jpg | GRAPHIC | 265404 |
| 75 | GRAPHIC | g431422g44a10.jpg | GRAPHIC | 157275 |
| 76 | GRAPHIC | g431422g50r42.jpg | GRAPHIC | 37160 |
| 77 | GRAPHIC | g431422g52a01.jpg | GRAPHIC | 193201 |
| 78 | GRAPHIC | g431422g53a01.jpg | GRAPHIC | 88728 |
| 79 | GRAPHIC | g431422g53r55.jpg | GRAPHIC | 60829 |
| 80 | GRAPHIC | g431422g53r56.jpg | GRAPHIC | 51752 |
| 81 | GRAPHIC | g431422g53r57.jpg | GRAPHIC | 67509 |
| 82 | GRAPHIC | g431422g54a01.jpg | GRAPHIC | 92857 |
| 83 | GRAPHIC | g431422g55a10.jpg | GRAPHIC | 36278 |
| 84 | GRAPHIC | g431422g56a56.jpg | GRAPHIC | 64849 |
| 85 | GRAPHIC | g431422g57a10.jpg | GRAPHIC | 33134 |
| 86 | GRAPHIC | g431422g57a20.jpg | GRAPHIC | 33781 |
| 87 | GRAPHIC | g431422g58n40.jpg | GRAPHIC | 251866 |
| 88 | GRAPHIC | g431422g59w81.jpg | GRAPHIC | 50090 |
| 89 | GRAPHIC | g431422g62a10.jpg | GRAPHIC | 70625 |
| 90 | GRAPHIC | g431422g65a10.jpg | GRAPHIC | 58192 |
| 91 | GRAPHIC | g431422g65a30.jpg | GRAPHIC | 93733 |
| 92 | GRAPHIC | g431422g73a73.jpg | GRAPHIC | 43962 |
| 93 | GRAPHIC | g431422g77j61.jpg | GRAPHIC | 30896 |
| 94 | GRAPHIC | g431422g80d61.jpg | GRAPHIC | 17744 |
| 95 | GRAPHIC | g431422g88m28.jpg | GRAPHIC | 56232 |
| 96 | GRAPHIC | g431422g89w80.jpg | GRAPHIC | 65306 |
| 97 | GRAPHIC | g431422g92j16.jpg | GRAPHIC | 29956 |
| 98 | GRAPHIC | g431422g93a97.jpg | GRAPHIC | 26605 |
| 99 | GRAPHIC | g431422g93c01.jpg | GRAPHIC | 10101 |
| 100 | GRAPHIC | g431422g96d09.jpg | GRAPHIC | 12131 |
| 101 | GRAPHIC | g431422sp9.jpg | GRAPHIC | 859 |
| Complete submission text file | 0001193125-23-079055.txt | 18293330 |
Data Files
| Seq | Description | Document | Type | Size |
|---|---|---|---|---|
| 2 | XBRL TAXONOMY EXTENSION SCHEMA | ati-20221231.xsd | EX-101.SCH | 4391 |
| 3 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE | ati-20221231_def.xml | EX-101.DEF | 3844 |
| 4 | XBRL TAXONOMY EXTENSION LABEL LINKBASE | ati-20221231_lab.xml | EX-101.LAB | 5012 |
| 5 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE | ati-20221231_pre.xml | EX-101.PRE | 3156 |
| 104 | EXTRACTED XBRL INSTANCE DOCUMENT | d431422ddef14a_htm.xml | XML | 199147 |
EIN.: 251792394 | State of Incorp.: DE | Fiscal Year End: 1231
Type: DEF 14A | Act: 34 | File No.: 001-12001 | Film No.: 23759710
SIC: 3317 Steel Pipe & Tubes