X0508 4 2025-12-15 0001121788 GARMIN LTD GRMN 0002028555 TRENKLE BRADLEY C 1200 E. 151ST ST. OLATHE KS 66062 false true false false co-COO false Registered Shares 2025-12-15 4 F false 1901 207.23 D 40224 D Registered Shares 2025-12-15 4 A false 4989 0 A 45213 D On December 15, 2025, 4,281 shares that were acquired pursuant to previously granted restricted stock unit awards vested and were released to the reporting person. Of those shares, 1,901 shares were withheld to pay the resulting tax liability. Includes 12,143 unvested shares acquired pursuant to previously granted restricted stock unit awards. On December 15, 2025 the reporting person received a grant of 4,989 restricted stock units, which vest in three equal annual installments, beginning on December 15, 2026. Includes 17,132 unvested shares acquired pursuant to the December 15, 2025 restricted stock unit award and previously granted restricted stock unit awards. /s/ Paul E. Cassat, as attorney-in-fact for Bradley C. Trenkle 2025-12-17