Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
LAY B ALLEN
   2. Issuer Name and Ticker or Trading Symbol
VIASAT INC [VSAT] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
6155 EL CAMINO REAL		 3. Date of Earliest Transaction (Month/Day/Year)
09/08/2010
(Street)

CARLSBAD, CA 92009		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
$0.0001 Par Value Common Stock 09/08/2010   M   8,000 A $ 22.03 310,678 I See Footnote (1)
$0.0001 Par Value Common Stock 09/08/2010   S   4,500 D $ 36.5029 (2) 306,178 I See Footnote (3)

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (rRght to Buy) $ 22.03 09/08/2010   M     8,000   (4) 09/26/2010 common stock 8,000 $ 0 0 I By Lay Ventures (5)

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
LAY B ALLEN
6155 EL CAMINO REAL
CARLSBAD, CA 92009		   X      

Signatures

 Kathleen K. Hollenbeck, under Power of Attorney   09/10/2010
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) 165,836 shares are held by Lay Ventures, L.P. Mr. Lay and his wife are general partners of Lay Ventures, L.P. In addition, Mr. Lay and his wife are the trustess of The Lay Living Trust which holds 114,442 shares. The Lay Living Trust owns a 2% interest in Lay Ventures, L.P. Mr. Lay and his wife are also the trustees of The Lay Charitable Remainder Trust which holds 30,400 shares. Mr. Lay disclaims beneficial ownership of the shares held by Lay Ventures, L.P. except tp the extent of his pecuniary interest therein.
(2) The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $36.49 to $36.57, inclusive. The reporting person undertakes to provide to ViaSat, Inc., any security holder of ViaSat, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnite (1).
(3) 161,336 shares are held by Lay Ventures, L.P. Mr. Lay and his wife are general partners of Lay Ventures, L.P. In addition, Mr. Lay and his wife are the trustess of The Lay Living Trust which holds 114,442 shares. The Lay Living Trust owns a 2% interest in Lay Ventures, L.P. Mr. Lay and his wife are also the trustees of The Lay Charitable Remainder Trust which holds 30,400 shares. Mr. Lay disclaims beneficial ownership of the shares held by Lay Ventures, L.P. except tp the extent of his pecuniary interest therein.
(4) The stock option became exercisable in three equal installments on each of September 26, 2001, 2002 and 2003.
(5) The stock option was granted to B. Allen Lay, a director of ViaSat, Inc. Mr. Lay transferred the stock option to Lay Ventures, L.P. on September 26, 2000, immediately following the grant of such stock options. Mr. Lay and his wife are the general partners of Lay Ventures, L.P. In addition, Mr. Lay and his wife are the trustees of The Lay Living Trust, which owns a 2% interest in Lay Ventures, L.P. Mr. Lay disclaims beneficial ownership of the stock options held by Lay Ventures, L.P. except to the extent of his pecuniary interest therein.

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