Castellum, Inc. Reduces Principal Balance by 2MilliononNotesPayableCastellum,Inc.(NYSE−American:CTM)(“Castellum”or“CTM”)enteredintoanamendmenttoaletteragreementto,amongotherthings,reducetheprincipalbalanceontwonotespayabletoRobertEisimingerby2 Million, leaving an aggregate principal balance owed of $4 million - https://castellumus.com/ VIENNA, Va., April 21, 2025 (GLOBE NEWSWIRE) -- Castellum, Inc. (NYSE-American: CTM) ("Castellum" or "CTM"), a cybersecurity, elect ...