HERNDON, Va., March 23, 2020 (GLOBE NEWSWIRE) -- ManTech International Corporation (Nasdaq: MANT) will issue its first quarter fiscal year 2020 earnings press release after close of market Wednesday, April 29, 2020. Management will discuss financial results in a conference call beginning at 5

Appointment Will Fuel Growth of Company’s Successful Intelligence Business HERNDON, Va., March 04, 2020 (GLOBE NEWSWIRE) -- ManTech (Nasdaq: MANT) today announced that it has named Joseph Chioda to be vice president account management of the company’s Mission, Cyber & Intelligence Solutions (MCIS)

HERNDON, Va., Feb. 26, 2020 (GLOBE NEWSWIRE) -- ManTech (Nasdaq: ManTech (Nasdaq: MANT) today announced that on January 31, 2020 it was awarded a five-year $920 million prime task order by the General Services Administration (GSA), Federal Systems Integration and Management Center (FEDSIM), on