X0508 4 2026-02-09 0000854775 DIGI INTERNATIONAL INC DGII 0001540299 Sampsell David H. 9350 EXCELSIOR BLVD SUITE 700 HOPKINS MN 55343 false true false false VP, CORP. DEV, GC & CORP. SEC. 0 Common Stock 2026-02-09 4 M 0 324 21.53 A 30839.507 D Common Stock 2026-02-09 4 S 0 1100 45.0442 D 29739.507 D Common Stock 2026-02-10 4 S 0 5000 45.74 D 24739.507 D Common Stock 64864 I By Revocable Trust Employee Stock Option (right to buy) 21.53 2026-02-09 4 M 0 324 0 D 2028-11-30 Common Stock 324 0 D Reflects the weighted average price of 1,100 shares of common stock of Digi International, Inc. sold by the reporting person in multiple transactions on February 9, 2026 with sale prices ranging from $45.00 to $45.1137 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. Fully vested. /s/ Joshua L. Colburn, Attorney-in-Fact 2026-02-11