Company: VSAT
Filing Date: 2025-11-12
Form Type: S-8
Source: 0001193125-25-274788
Chunk: 0

Company: VIASAT INC
Filing Date: 2025-11-12
Form: S-8
Chunk 0
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As filed with the Securities and Exchange Commission on November 10, 2025 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 VIASAT, INC. (Exact name of registrant as specified in its charter)

| Delaware                        |     | 33-0174996         |
| (State or Other Jurisdiction of 
 Incorporation or Organization)  |     | -I.R.S. Employer   
 Identification No. |

6155 El Camino Real Carlsbad, California 92009 (760) 476-2200 (Address of Principal Executive Offices) 1996 Equity Participation Plan of Viasat, Inc. Viasat, Inc. Employee Stock Purchase Plan (Full Title of the Plans) Robert J. Blair, Esq. Senior Vice President, General Counsel and Secretary Viasat, Inc. 6155 El Camino Real Carlsbad, California 92009 (760) 476-2200 (Name, Address and Telephone Number, Including Area Code, of Agent for Service) Copies to: Craig M. Garner, Esq. Latham & Watkins LLP 12670 High Bluff Drive San Diego, California 92130 (858) 523-5400 Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-acceleratedfiler, a smaller reporting company or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2of the Exchange Act.

| Large accelerated filer |     | ☒ |     | Accelerated filer         |     | ☐ |
| Non-accelerated filer   |     | ☐ |     | Smaller reporting company |     | ☐ |
|                         |     |   |     | Emerging growth company   |     | ☐ |

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act. ☐ Proposed sales to take place as soon after the effective date of the registration statement as awards granted under the above-named plans are granted, exercised and/or distributed