X0508 4 2025-11-17 0001408534 First Guaranty Bancshares, Inc. FGBI 0001409022 Smith Edgar R. III 400 EAST THOMAS STREET HAMMOND LA 70401 1 0 COMMON STOCK 2025-11-17 4 P 0 1500 5.78 A 18563 I By: Smith-Hoover Holdings, L.L.C. COMMON STOCK 2025-11-20 4 P 0 1500 4.85 A 20063 I By: Smith-Hoover Holdings, L.L.C. COMMON STOCK 2025-11-20 4 P 0 15000 4.97 A 2867467 D COMMON STOCK 2025-11-20 4 P 0 2500 4.81 A 21907 I By; MACSMITH LLC COMMON STOCK 2025-11-20 4 P 0 800 4.95 A 341437 I By: Smith & Hood Investment, LLC COMMON STOCK 328270 I By: Smith & Tate Investments, LLC COMMON STOCK 340344 I By: Big 4 Investments, LLC COMMON STOCK 1062817 I By Smith & Hood Holding Company, LLC The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein. This transaction was executed in multiple trades at prices ranging from $4.81 to $5.06. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. /s/ Edgar R. Smith III 2025-11-21