Castellum, Inc. Hires David T. Bell as Chief Financial Officer POTOMAC, Md., April 25, 2022 (GLOBE NEWSWIRE) --  Castellum, Inc. (OTC: ONOV) announces the hiring of Mr. David T. Bell, CPA, as its Chief Financial Officer. Mr. Bell will report to CEO Mark Fuller...

Castellum, Inc. Announces Acquisition of Merrison Technologies POTOMAC, Md., Aug. 05, 2021 (GLOBE NEWSWIRE) -- Castellum, Inc. (OTC: ONOV) announces signing and closing on a definitive merger agreement with Merrison Technologies LLC, a Virginia limited...

Castellum, Inc. Provides ONOV Shareholders an Update Letter BETHESDA, Md., March 15, 2021 (GLOBE NEWSWIRE) -- Castellum, Inc. (ONOV: OTC) today provides the following Corporate letter updating its shareholders: Dear Fellow Shareholders, As we approach...