** Community lender First Guaranty Bancshares' FGBI.O shares jump as much as 19.6%

** Stock closed up 19.7% on Monday after insiders bought FGBI shares worth nearly $2 million

** FGBI directors Edgar Smith III and Marshall Reynolds now collectively own 31.1% of FGBI, according to filings

** In October, FGBI reported a third-quarter loss, largely driven by exposure to an auto parts manufacturer's bankruptcy

** FGBI stock slumped 52.7% in 2025

(Reporting by Arasu Kannagi Basil in Bengaluru)

((ArasuKannagi.Basil@thomsonreuters.com;))