X0609 4 2026-09-16 0000797721 VIASAT INC VSAT 0001832377 Chase Garrett L. false 6155 EL CAMINO REAL CARLSBAD CA 92009 false true false false SVP, Chief Financial Officer false $.0001 par value common stock 2026-09-16 4 M false 26048 0 A 52287 D $.0001 par value common stock 2026-09-16 4 F false 11602 70.95 D 40685 D $.0001 par value common stock 2026-09-17 4 M false 26775 0 A 67460 D $.0001 par value common stock 2026-09-17 4 F false 11926 73.020 D 55534 D $.0001 par value common stock 898 I By 401(k) restricted stock unit 0 2026-09-16 4 M false 26048 0 D common stock 26048 26047 D restricted stock unit 0 2026-09-17 4 M false 26775 0 D common stock 26775 51975 D This entry represents the number of shares of Viasat, Inc. common stock withheld by the Issuer to satisfy the tax withholding obligation of the Reporting Person. These shares were not sold by the Reporting Person but were instead offset from the total number of vested shares received by the Reporting Person from the Issuer. The original restricted stock unit grant was for 78,143 restricted stock units on 09/16/2024. The units vest and convert into shares of common stock (on a 1-for-1 basis) at the rate of 1/3 on the first anniversary of the grant date; 1/3 on the second anniversary of the grant date; and 1/3 on the third anniversary of the grant date. The original restricted stock unit grant was for 78,750 restricted stock units on 08/17/2025. The units vest and convert into shares of common stock (on a 1-for-1 basis) at the rate of 34% on September 17, 2026; 33% on June 7, 2027; and 33% on June 7, 2028. Until vested, the restricted stock unit shall be subject to forfeiture in the event of termination of employment or service with the Issuer. /s/ Stacy Nguyen, Attorney-in-Fact 2026-09-18