# Filing Detail

Form DEF 14A - Other definitive proxy statements:
SEC Accession No. 0001193125-21-106350
Filing Date
2021-04-05
Accepted
2021-04-05 16:17:16
Documents
85
Period of Report
2021-05-20

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | DEF 14A | d12507ddef14a.htm | DEF 14A | 1643628
2 | GRAPHIC | g12507aa.jpg | GRAPHIC | 5060
3 | GRAPHIC | g12507bb.jpg | GRAPHIC | 838
4 | GRAPHIC | g12507com.jpg | GRAPHIC | 1172
5 | GRAPHIC | g12507dd.jpg | GRAPHIC | 1094
6 | GRAPHIC | g12507ee.jpg | GRAPHIC | 1473
7 | GRAPHIC | g12507g01b11.jpg | GRAPHIC | 47741
8 | GRAPHIC | g12507g01e22.jpg | GRAPHIC | 506246
9 | GRAPHIC | g12507g02n60.jpg | GRAPHIC | 96204
10 | GRAPHIC | g12507g02u22.jpg | GRAPHIC | 247483
11 | GRAPHIC | g12507g03i22.jpg | GRAPHIC | 68768
12 | GRAPHIC | g12507g04i22.jpg | GRAPHIC | 243352
13 | GRAPHIC | g12507g04n48.jpg | GRAPHIC | 22126
14 | GRAPHIC | g12507g04s66.jpg | GRAPHIC | 22628
15 | GRAPHIC | g12507g07j58.jpg | GRAPHIC | 115031
16 | GRAPHIC | g12507g07n67.jpg | GRAPHIC | 44801
17 | GRAPHIC | g12507g08q74.jpg | GRAPHIC | 260755
18 | GRAPHIC | g12507g10e42.jpg | GRAPHIC | 89983
19 | GRAPHIC | g12507g10x20.jpg | GRAPHIC | 2469
20 | GRAPHIC | g12507g10z88.jpg | GRAPHIC | 191745
21 | GRAPHIC | g12507g11b35.jpg | GRAPHIC | 23034
22 | GRAPHIC | g12507g12c20.jpg | GRAPHIC | 38306
23 | GRAPHIC | g12507g13d88.jpg | GRAPHIC | 44078
24 | GRAPHIC | g12507g13s20.jpg | GRAPHIC | 48982
25 | GRAPHIC | g12507g15b22.jpg | GRAPHIC | 28461
26 | GRAPHIC | g12507g15h66.jpg | GRAPHIC | 173885
27 | GRAPHIC | g12507g18i45.jpg | GRAPHIC | 22609
28 | GRAPHIC | g12507g19i22.jpg | GRAPHIC | 21782
29 | GRAPHIC | g12507g20a33.jpg | GRAPHIC | 243211
30 | GRAPHIC | g12507g20b69.jpg | GRAPHIC | 72868
31 | GRAPHIC | g12507g21a10.jpg | GRAPHIC | 47730
32 | GRAPHIC | g12507g21b13.jpg | GRAPHIC | 39681
33 | GRAPHIC | g12507g21k14.jpg | GRAPHIC | 45335
34 | GRAPHIC | g12507g21p65.jpg | GRAPHIC | 116421
35 | GRAPHIC | g12507g22b01.jpg | GRAPHIC | 63663
36 | GRAPHIC | g12507g24y51.jpg | GRAPHIC | 21114
37 | GRAPHIC | g12507g25u96.jpg | GRAPHIC | 99434
38 | GRAPHIC | g12507g26a10.jpg | GRAPHIC | 72538
39 | GRAPHIC | g12507g26p19.jpg | GRAPHIC | 49520
40 | GRAPHIC | g12507g29a10.jpg | GRAPHIC | 39353
41 | GRAPHIC | g12507g29b22.jpg | GRAPHIC | 43839
42 | GRAPHIC | g12507g31k70.jpg | GRAPHIC | 48475
43 | GRAPHIC | g12507g31z60.jpg | GRAPHIC | 38197
44 | GRAPHIC | g12507g32w88.jpg | GRAPHIC | 44308
45 | GRAPHIC | g12507g33a10.jpg | GRAPHIC | 37843
46 | GRAPHIC | g12507g33n25.jpg | GRAPHIC | 92203
47 | GRAPHIC | g12507g33x11.jpg | GRAPHIC | 39269
48 | GRAPHIC | g12507g34k60.jpg | GRAPHIC | 78167
49 | GRAPHIC | g12507g34y80.jpg | GRAPHIC | 195600
50 | GRAPHIC | g12507g36n67.jpg | GRAPHIC | 44496
51 | GRAPHIC | g12507g37o97.jpg | GRAPHIC | 39948
52 | GRAPHIC | g12507g40g15.jpg | GRAPHIC | 43424
53 | GRAPHIC | g12507g41g44.jpg | GRAPHIC | 23063
54 | GRAPHIC | g12507g44b34.jpg | GRAPHIC | 75268
55 | GRAPHIC | g12507g45n77.jpg | GRAPHIC | 447081
56 | GRAPHIC | g12507g46s19.jpg | GRAPHIC | 36354
57 | GRAPHIC | g12507g49c98.jpg | GRAPHIC | 21361
58 | GRAPHIC | g12507g50r42.jpg | GRAPHIC | 36411
59 | GRAPHIC | g12507g51f20.jpg | GRAPHIC | 25293
60 | GRAPHIC | g12507g51m48.jpg | GRAPHIC | 28937
61 | GRAPHIC | g12507g52j14.jpg | GRAPHIC | 246435
62 | GRAPHIC | g12507g56d08.jpg | GRAPHIC | 22419
63 | GRAPHIC | g12507g56f11.jpg | GRAPHIC | 30230
64 | GRAPHIC | g12507g57a01.jpg | GRAPHIC | 78303
65 | GRAPHIC | g12507g61n74.jpg | GRAPHIC | 28079
66 | GRAPHIC | g12507g62s77.jpg | GRAPHIC | 44266
67 | GRAPHIC | g12507g72a95.jpg | GRAPHIC | 18623
68 | GRAPHIC | g12507g73i86.jpg | GRAPHIC | 28492
69 | GRAPHIC | g12507g74p04.jpg | GRAPHIC | 23923
70 | GRAPHIC | g12507g77j61.jpg | GRAPHIC | 29152
71 | GRAPHIC | g12507g77k58.jpg | GRAPHIC | 82610
72 | GRAPHIC | g12507g78r31.jpg | GRAPHIC | 109474
73 | GRAPHIC | g12507g86s56.jpg | GRAPHIC | 47567
74 | GRAPHIC | g12507g87m58.jpg | GRAPHIC | 22079
75 | GRAPHIC | g12507g87o36.jpg | GRAPHIC | 21826
76 | GRAPHIC | g12507g88o27.jpg | GRAPHIC | 23318
77 | GRAPHIC | g12507g88t58.jpg | GRAPHIC | 44081
78 | GRAPHIC | g12507g92j16.jpg | GRAPHIC | 29076
79 | GRAPHIC | g12507g93c01.jpg | GRAPHIC | 10101
80 | GRAPHIC | g12507g94u42.jpg | GRAPHIC | 141777
81 | GRAPHIC | g12507g96d09.jpg | GRAPHIC | 11302
82 | GRAPHIC | g12507g96j43.jpg | GRAPHIC | 21740
83 | GRAPHIC | g12507plus.jpg | GRAPHIC | 851
84 | GRAPHIC | g12507yy.jpg | GRAPHIC | 1472
85 | GRAPHIC | g12507zz.jpg | GRAPHIC | 1406
| Complete submission text file | 0001193125-21-106350.txt |  | 9637660

Mailing Address 100 SIX PPG PLACE PITTSBURGH PA 15222
Business Address 1000 SIX PPG PLACE PITTSBURGH PA 15222 4123942800
ALLEGHENY TECHNOLOGIES INC (Filer) CIK: 0001018963 (see all company filings)

EIN.: 251792394 | State of Incorp.: DE | Fiscal Year End: 1231
Type: DEF 14A | Act: 34 | File No.: 001-12001 | Film No.: 21805557
SIC: 3317 Steel Pipe & Tubes