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Mailing Address 2251 CORPORATE PARK DRIVE HERNDON VA 20171
Business Address 2251 CORPORATE PARK DRIVE HERNDON VA 20171 703-218-6000
MANTECH INTERNATIONAL CORP CIK#: 0000892537 (see all company filings)

SIC: 8741 - SERVICES-MANAGEMENT SERVICES
State location: VA | State of Inc.: DE | Fiscal Year End: 1231
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Items 1 - 40  0000892537 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000354204-23-001628 (34 Act)  Size: 19 KB
2023-02-10 005-78749
23610946
15-12G  Documents Securities registration termination [Section 12(g)]
Acc-no: 0001193125-22-253282 (34 Act)  Size: 11 KB
2022-09-28 000-49604
221276249
S-8 POS  Documents Securities to be offered to employees in employee benefit plans, post-effective amendments
Acc-no: 0001193125-22-245485 (33 Act)  Size: 19 KB
2022-09-15 333-137129
221245354
S-8 POS  Documents Securities to be offered to employees in employee benefit plans, post-effective amendments
Acc-no: 0001193125-22-245484 (33 Act)  Size: 19 KB
2022-09-15 333-184155
221245346
8-K  Documents   Interactive Data Current report, items 1.02, 2.01, 3.01, 3.03, 5.01, 5.02, 5.03, 8.01, and 9.01
Acc-no: 0001193125-22-244730 (34 Act)  Size: 278 KB
2022-09-14 000-49604
221243115
25-NSE  Documents Notification filed by national security exchange to report the removal from listing and registration of matured, redeemed or retired securities
Acc-no: 0001354457-22-000522 (34 Act)  Size: 2 KB
2022-09-14 000-49604
221242565
8-K  Documents   Interactive Data Current report, items 5.07, 8.01, and 9.01
Acc-no: 0001193125-22-240262 (34 Act)  Size: 172 KB
2022-09-08 000-49604
221232359
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001193125-22-231506 (34 Act)  Size: 82 KB
2022-08-29 000-49604
221206760
8-K  Documents   Interactive Data Current report, item 8.01
Acc-no: 0001193125-22-231504 (34 Act)  Size: 226 KB
2022-08-29 000-49604
221206757
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001193125-22-213741 (34 Act)  Size: 584 KB
2022-08-05 000-49604
221141786
DEFM14A  Documents Definitive proxy statement relating to merger or acquisition
Acc-no: 0001193125-22-212506 (34 Act)  Size: 1 MB
2022-08-04 000-49604
221136543
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000892537-22-000016 (34 Act)  Size: 5 MB
2022-08-03 000-49604
221131088
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001193125-22-189448 (34 Act)  Size: 29 KB
2022-07-07 000-49604
221071729
PREM14A  Documents Preliminary proxy statements relating to merger or acquisition
Acc-no: 0001193125-22-187262 (34 Act)  Size: 1 MB
2022-07-01 000-49604
221061981
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001193125-22-177653 (34 Act)  Size: 22 KB
2022-06-21 000-49604
221028331
8-K  Documents   Interactive Data Current report, item 8.01
Acc-no: 0001193125-22-177647 (34 Act)  Size: 147 KB
2022-06-21 000-49604
221028258
8-K  Documents   Interactive Data Current report, item 5.07
Acc-no: 0001193125-22-174798 (34 Act)  Size: 154 KB
2022-06-15 000-49604
221018127
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001193125-22-153109 (34 Act)  Size: 59 KB
2022-05-17 000-49604
22935446
8-K  Documents   Interactive Data Current report, items 5.02 and 9.01
Acc-no: 0001193125-22-153103 (34 Act)  Size: 191 KB
2022-05-17 000-49604
22935411
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001193125-22-152021 (34 Act)  Size: 111 KB
2022-05-16 000-49604
22930946
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001193125-22-150946 (34 Act)  Size: 691 KB
2022-05-16 000-49604
22925652
8-K  Documents   Interactive Data Current report, items 1.01, 8.01, and 9.01
Acc-no: 0001193125-22-150943 (34 Act)  Size: 978 KB
2022-05-16 000-49604
22925639
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001102578-22-000084 (34 Act)  Size: 10 KB
2022-05-10 005-78749
22909075
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000892537-22-000013 (34 Act)  Size: 5 MB
2022-05-05 000-49604
22894314
8-K  Documents   Interactive Data Current report, items 2.02, 7.01, 8.01, and 9.01
Acc-no: 0000892537-22-000012 (34 Act)  Size: 365 KB
2022-05-04 000-49604
22891407
DEF 14A  Documents Other definitive proxy statements
Acc-no: 0001193125-22-130711 (34 Act)  Size: 1 MB
2022-04-29 000-49604
22870493
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001193125-22-099777 (34 Act)  Size: 60 KB
2022-04-08 005-78749
22815542
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001193125-22-090335 (34 Act)  Size: 37 KB
2022-03-31 005-78749
22788906
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000892537-22-000007 (34 Act)  Size: 9 MB
2022-02-25 000-49604
22675482
8-K  Documents   Interactive Data Current report, items 5.02 and 9.01
Acc-no: 0001193125-22-052162 (34 Act)  Size: 180 KB
2022-02-24 000-49604
22671580
8-K  Documents   Interactive Data Current report, items 5.02, 8.01, and 9.01
Acc-no: 0001193125-22-049943 (34 Act)  Size: 162 KB
2022-02-23 000-49604
22663711
8-K  Documents   Interactive Data Current report, items 2.02, 7.01, 8.01, and 9.01
Acc-no: 0000892537-22-000005 (34 Act)  Size: 424 KB
2022-02-23 000-49604
22663366
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001102578-22-000059 (34 Act)  Size: 10 KB
2022-02-14 005-78749
22625558
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-22-018032 (34 Act)  Size: 12 KB
2022-02-10 005-78749
22610269
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000354204-22-001807 (34 Act)  Size: 19 KB
2022-02-08 005-78749
22601346
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001193125-22-029980 (34 Act)  Size: 40 KB
2022-02-08 005-78749
22599063
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000834237-22-002051 (34 Act)  Size: 13 KB
2022-01-27 005-78749
22561298
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000834237-22-000581 (34 Act)  Size: 13 KB
2022-01-25 005-78749
22553513
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000019617-21-000524 (34 Act)  Size: 89 KB
2021-12-07 005-78749
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000892537-21-000026 (34 Act)  Size: 6 MB
2021-11-03 000-49604
211373884