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| 4 | Statement of changes in beneficial owner... | Mantech International Corp | Donnelley Financial Solutions File16 /fa | 05/23/2019 | |
| 4 | Statement of changes in beneficial owner... | Mantech International Corp | Donnelley Financial Solutions File16 /fa | 05/21/2018 | |
| 4 | Statement of changes in beneficial owner... | Mantech International Corp | Donnelley Financial Solutions File16 /fa | 05/18/2017 | |
| 4 | Statement of changes in beneficial owner... | Mantech International Corp | Donnelley Financial Solutions File16 /fa | 05/12/2017 | |
| 4 | Statement of changes in beneficial owner... | Mantech International Corp | Donnelley Financial Solutions File16 /fa | 05/09/2016 | |
| 4 | Statement of changes in beneficial owner... | Mantech International Corp | Donnelley Financial Solutions File16 /fa | 05/11/2015 | |
| 4 | Statement of changes in beneficial owner... | Mantech International Corp | R R Donnelley Financial - Net Filer /fa/ | 05/12/2014 | |
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