X0609 4 2026-06-07 0000797721 VIASAT INC VSAT 0001684559 Blair Robert James false 6155 EL CAMINO REAL CARLSBAD CA 92009 false true false false SVP, General Counsel false $.0001 par value common stock 2026-06-07 4 M false 3681 0 A 42889 D $.0001 par value common stock 2026-06-07 4 F false 1321 67.18 D 41568 D $.0001 par value common stock 2026-06-07 4 M false 8333 0 A 49901 D $.0001 par value common stock 2026-06-07 4 F false 3676 67.18 D 46225 D $.0001 par value common stock 2026-06-07 4 M false 6250 0 A 52475 D $.0001 par value common stock 2026-06-07 4 F false 3181 67.18 D 49294 D $.0001 par value common stock 242 I By 401(k) restricted stock unit 0 2026-06-07 4 M false 3681 0 D common stock 3681 3681 D restricted stock unit 0 2026-06-07 4 M false 8333 0 D common stock 8333 8333 D restricted stock unit 0 2026-06-07 4 M false 6250 0 D common stock 6250 6250 D restricted stock unit 2026-06-07 4 A false 24574 0 A common stock 24574 24574 D Includes 1100 shares purchased under the Viasat Employee Stock Purchase Plan on 01/31/2026. 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. Includes 242 shares of common stock the Reporting Person acquired under the Viasat 401(k) Plan since the date of the Reporting Person's last ownership report. The original restricted stock unit grant was for 14,725 units on 06/07/2023. Subject to the reporting persons election to defer the receipt of the common stock, the units vest and convert into shares of common stock (on a 1 for 1 basis) at the rate of 1/4 on the 13th month anniversary of the grant date and 1/4 on each of the second, third and fourth anniversary of the grant date. The original restricted stock unit grant was for 25,000 units on 06/07/2024. Subject to the reporting persons election to defer the receipt of the common stock, the units vest and convert into shares of common stock (on a 1 for 1 basis) at the rate of 1/3 on the 13th month 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 remaining restricted stock units will vest on June 7, 2027. Each restricted stock unit represents a contingent right to receive one share of Viasat, Inc. common stock. The units vest and convert into shares of common stock (on a 1-for-1 basis) in three substantially equal installments on June 7, 2027, June 7, 2028 and June 7, 2029. 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 2026-06-09