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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 8-K

Current Report

Pursuant to Section 13 or 15(d) of The

Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): August 25, 2010

DivX, Inc.

(Exact name of registrant as specified in its charter)

Delaware	001-33029	33-0921758
(State or other jurisdiction of incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)

4780 Eastgate Mall San Diego, California	92121
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code: (858) 882-0600

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

x Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 1.01 Entry Into A Material Definitive Agreement.

On June 1, 2010, DivX, Inc. (“DivX”) entered into an Agreement and Plan of Merger (the “Merger Agreement”) with Sonic Solutions, a California corporation (“Sonic”), Siracusa Merger Corporation, a Delaware corporation and a wholly-owned subsidiary of Sonic (“Merger Sub I”) and Siracusa Merger LLC, a Delaware limited liability company and a wholly-owned subsidiary of Sonic (“Merger Sub II”), pursuant to which, upon the terms and subject to the conditions set forth therein, Merger Sub I will merge with and into DivX (the “First Merger”), with DivX continuing as the surviving entity following the First Merger, and immediately following the First Merger DivX will merge with and into Merger Sub II (the “Second Merger” and, together with the First Merger, the “Transaction”), with Merger Sub II continuing as the surviving entity following the Transaction.

On August 25, 2010, DivX, Sonic, Merger Sub I and Merger Sub II entered into Amendment No. 1 to Agreement and Plan of Merger (the “Amendment”). The Amendment provides that “in-the-money” options to purchase shares of Common Stock of DivX that are held by individuals who will not continue as employees of Sonic following the closing of the First Merger will automatically be converted at the closing of the First Merger to the right to receive $3.75 in cash and 0.514 shares of Common Stock of Sonic, with cash paid in respect of fractional shares, for each share of Common Stock of DivX calculated to be issuable upon exercise of such stock option using the following formula:

X =	Y (A-B)
	A

Where:	X =	the number of shares of Common Stock of DivX, rounded down to the nearest whole share, to be used for the purposes of determining the amount of cash and the number of shares of Common Stock of Sonic for which the stock option will be automatically converted at the closing of the First Merger;
	Y =	the maximum number of shares of Common Stock of DivX for which the stock option would be exercisable as of immediately prior to the closing of the First Merger without giving effect to any vesting or other restrictions applicable to the stock option;
	A =	$3.75 plus the product of (i) 0.514 and (ii) the closing price for a share of Common Stock of Sonic, rounded to the nearest one-tenth of a cent, as reported on Nasdaq for the trading day immediately prior to the closing of the First Merger; and
	B =	the exercise price of the stock option as of immediately prior to the closing of the First Merger.

The foregoing summary of certain terms of the Amendment does not purport to be complete, and is qualified in its entirety by reference to the Amendment, a copy of which is filed as Exhibit 2.1 hereto. The summary of the terms of the Amendment, as well as the text of the Amendment included in this Form 8-K, are intended to provide information regarding the material terms of the Amendment and are not intended to modify or supplement any factual disclosures about DivX or Sonic contained in their respective reports or statements filed with the SEC or other public information.

Additional Information and Where to Find It

This communication is not a solicitation of a proxy, an offer to purchase, nor a solicitation of an offer to sell shares of Sonic, and it is not a substitute for any proxy statement or other filings that may be made with the SEC with respect to the Transaction. In connection with the proposed Transaction, Sonic has filed a registration statement on Form S-4 containing a joint proxy statement/prospectus of Sonic and DivX. Investors and security holders are urged to carefully read the Registration Statement on Form S-4 and related joint proxy statement/prospectus and other documents filed with the SEC by Sonic and DivX, because they contain important information about Sonic, DivX and the proposed Transaction, including with respect to risks and uncertainties that could delay or prevent the completion of the Transaction. Such documents are available free of charge at the SEC website (www.sec.gov), from Sonic and its corporate website (www.sonic.com) or from DivX and its corporate website (www.divx.com).

Sonic, DivX and their respective directors, executive officers and other members of their management may be deemed to be soliciting proxies from shareholders of Sonic or DivX in favor of the proposed Transaction. Investors and stockholders may obtain more detailed information regarding the direct and indirect interests in the proposed Transaction of persons who may, under the rules of the SEC, be considered participants in the solicitation of these shareholders in connection with the proposed Transaction by reading the joint proxy statement/prospectus described above. Additional information about the directors and executive officers of Sonic may be found in its definitive proxy statement filed with the SEC on October 1, 2009. Additional information about the directors and executive officers of DivX may be found in its definitive proxy statement filed with the SEC on April 20, 2010. Such documents are available free of charge at the SEC website (www.sec.gov), from Sonic and its corporate website (www.sonic.com) or from DivX and its corporate website (www.divx.com).

Forward Looking Statements

This Current Report on Form 8-K includes “forward-looking statements” within the meaning of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. These forward-looking statements include statements relating to the timing of the Transaction and satisfaction of conditions to the First Merger, and other statements that are regarding future events and not historical facts. The forward-looking statements included herein represent the current judgment and expectations of the respective companies, but actual results are subject to risks and uncertainties and could differ materially from those expressed or implied by forward-looking statements. Neither DivX nor Sonic intend to update any of these forward-looking statements or publicly announce the results of any revisions to these forward-looking statements, other than as is required under the federal securities laws.

The potential risks and uncertainties include: uncertainties as to the timing of the Transaction due to the need to meet regulatory requirements; approval of the transaction by the stockholders of the companies and the satisfaction of other closing conditions to the Transaction; and dependence on third parties. These and other risks and uncertainties, which are described in more detail in DivX’s and Sonic’s most recent Annual Reports on Form 10-K and Quarterly Reports on Form 10-Q filed with the SEC, could cause actual results and developments to be materially different from those expressed or implied by any of these forward-looking statements.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

2.1 Amendment No. 1 to Agreement and Plan of Merger, dated as of August 25, 2010, by and among Sonic Solutions, Siracusa Merger Corporation, Siracusa Merger LLC and DivX, Inc.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	DIVX, INC.
Dated: August 25, 2010	By:	/S/    KEVIN HELL
	Name:	Kevin Hell
	Title:	Chief Executive Officer and Director

INDEX TO EXHIBITS

Exhibit Number	Description
2.1	Amendment No. 1 to Agreement and Plan of Merger, dated as of August 25, 2010, by and among Sonic Solutions, Siracusa Merger Corporation, Siracusa Merger LLC and DivX, Inc.

EX-2.1

Exhibit 2.1

AMENDMENT NO. 1 TO

AGREEMENT AND PLAN OF MERGER

This AMENDMENT NO. 1 TO AGREEMENT AND PLAN OF MERGER (this “Amendment”) is made and entered into as of August 25, 2010, by and among Sonic Solutions, a California corporation (“Parent”), Siracusa Merger Corporation, a Delaware corporation and a direct wholly owned subsidiary of Parent, Siracusa Merger LLC, a Delaware limited liability company and a direct wholly owned subsidiary of Parent, and DivX, Inc., a Delaware corporation.

RECITALS

A. The parties hereto entered into an Agreement and Plan of Merger dated as of June 1, 2010 (the “Agreement”) pursuant to which the parties have agreed to effect the Transaction on the terms described therein.

B. The parties hereto wish to amend the Agreement for the limited purposes set forth herein.

C. Pursuant to Section 7.4 of the Agreement, the Agreement may be amended by the parties hereto, by action taken or authorized by their respective Boards of Directors, at any time, subject to certain exceptions, by an instrument executed by each of the parties to the Agreement.

D. The undersigned constitute each party to the Agreement.

E. Certain capitalized terms used in this Amendment but not otherwise defined herein shall have the meaning ascribed to them in the Agreement.

AGREEMENT

NOW, THEREFORE, in consideration of the covenants, promises and representations set forth herein, and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties agree as follows:

ARTICLE I

AMENDMENT OF MERGER AGREEMENT

1. Section 5.9(a)(i) and Section 5.9(a)(ii) of the Agreement are hereby amended and restated in their entirety to read as follows:

“(i) For the purposes of this Section 5.9(a), the following terms have the following meanings:

(1) A “Continuing Employee” shall mean each employee of Company or any Subsidiary of Company who, as of immediately following the Effective Time of the First Merger, continues his or her employment with Company or any Subsidiary of Company or becomes at the Effective Time of the First Merger an employee of Parent or any Subsidiary of Parent; provided, however, that in no event shall the individuals listed in Schedule 4.1(b)(xv) of the Company Disclosure Schedule be deemed to be Continuing Employees.

(2) An “In-the-Money Company Option” shall mean each Company Option with a per share exercise price less than the sum of (x) the Merger Cash Consideration plus (y) the value of the Merger Stock Consideration based on the closing price for a share of Parent Common Stock, rounded to the nearest one-tenth of a cent, as reported on Nasdaq for the trading day immediately prior to the day on which the Effective Time of the First Merger occurs.

(3) The “Stock Award Exchange Ratio” shall mean the sum of (x) the Merger Stock Consideration plus (y) the quotient obtained by dividing (A) the Merger Cash Consideration, by (B) the closing price for a share of Parent Common Stock, rounded to the nearest one-tenth of a cent, as reported on Nasdaq for the trading day immediately prior to the day on which the Effective Time of the First Merger occurs.

(4) An “Underwater or At-the-Money Company Option” shall mean each Company Option with a per share exercise price equal to or greater than the sum of (x) the Merger Cash Consideration plus (y) the value of the Merger Stock Consideration based on the closing price for a share of Parent Common Stock, rounded to the nearest one-tenth of a cent, as reported on Nasdaq for the trading day immediately prior to the day on which the Effective Time of the First Merger occurs.

(ii) At the Effective Time of the First Merger, neither (A) Company’s 2000 Stock Option Plan (the “2000 Plan”) nor (B) any then-outstanding Company Option held by a Person that is not a Continuing Employee or any then-outstanding Underwater or At-the-Money Company Option (irrespective of whether such Underwater or At-the-Money Company Option is held by a Continuing Employee) shall be assumed by Parent (the Company Options described in this Section 5.9(a)(ii)(B) referred to herein as the “Terminating Options”). The exercisability and vesting of each then-outstanding Terminating Option shall be accelerated in accordance with the terms of the Company Stock Plan under which it was granted, effective as of the date required or prescribed pursuant to the terms and conditions of such Company Stock Plan prior to the Effective Time of the First Merger. The exercise or vesting of any Terminating Option and any shares of Company Common Stock acquired upon the exercise thereof resulting solely by application of this Section 5.9(a)(ii) shall be conditioned upon the consummation of the First Merger. The 2000 Plan, and any Terminating Options which are Underwater or At-the-Money Company Options granted pursuant to a Company Stock Plan that are not exercised prior to the Effective Time of the First Merger, shall terminate and cease to be outstanding effective as of the Effective Time of the First Merger. At the Effective Time of the First Merger, any Terminating Options which are unexercised In-the-Money Company Options will automatically be converted into the right to receive $3.75 in cash and 0.514 validly issued, fully paid and nonassessable shares of Parent Common Stock (with cash paid in respect of fractional shares in accordance with the formula set forth in Section 1.6(e) hereof), for each share of Company Common Stock calculated to be issuable upon exercise of such Terminating Option using the following formula:

X =	Y (A-B)
	A

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Where:	X =	the number of shares of Company Common Stock, rounded down to the nearest whole share, to be used for the purposes of determining the amount of cash and the number of shares of Parent Common Stock for which the Terminating Option which is an In-the-Money Company Option will be automatically converted at the Effective Time;
	Y =	the maximum number of shares of Company Common Stock for which the Terminating Option is exercisable as of immediately prior to the Effective Time without giving effect to any vesting or other restrictions applicable to the Terminating Option;
	A =	$3.75 plus the product of (i) 0.514 and (ii) the closing price for a share of Parent Common Stock, rounded to the nearest one-tenth of a cent, as reported on Nasdaq for the trading day immediately prior to the day on which the Effective Time of the First Merger occurs; and
	B =	the exercise price of the Terminating Option as of immediately prior to the Effective Time of the First Merger.

All federal, state and local withholding obligations relating to the automatic conversion of Terminating Options which are In-the-Money Company Options at the Effective Time of the First Merger will be satisfied by deducting such amounts from the cash otherwise payable to the holders of such Terminating Options. If the withholding obligations exceed the cash otherwise payable to the holder of the Terminating Option, any remaining withholding obligation will be satisfied by withholding a number of shares of Parent Common Stock otherwise issuable to the holder of the Terminating Option equal to the quotient obtained by dividing (a) the dollar amount of any remaining withholding obligation by (b) the closing price for a share of Parent Common Stock, rounded to the nearest one-tenth of a cent, as reported on Nasdaq for the trading day immediately prior to the day on which the Effective Time of the First Merger occurs. Parent shall appoint the Exchange Agent for the purpose of distributing the Parent Common Stock and other cash amounts contemplated by this Section 5.9(a) to the holders of Terminating Options which are In-the-Money Company Options.”

2. The term “Agreement” as used in the Agreement shall refer to the Agreement as amended by this Amendment.

ARTICLE II

ADDITIONAL PROVISIONS

2.1 Effect of Amendment. Except as expressly amended by this Amendment, the terms and conditions of the Agreement remain in full force and effect.

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2.2 Counterparts. This Amendment may be executed in two or more counterparts, all of which shall be considered one and the same agreement and shall become effective when one or more counterparts have been signed by each of the parties and delivered to the other parties, it being understood that all parties need not sign the same counterpart.

2.3 Headings. The Section headings contained in this Amendment are inserted for convenience only and shall not affect in any way the meaning or interpretation of this Amendment.

2.4 Severability. In the event that any provision of this Amendment or the application thereof becomes or is declared by a court of competent jurisdiction to be illegal, void or unenforceable, the remainder of this Amendment will continue in full force and effect and the application of such provision to other Persons or circumstances will be interpreted so as reasonably to effect the intent of the parties hereto. The parties further agree to replace such void or unenforceable provision of this Amendment with a valid and enforceable provision that will achieve, to the greatest extent possible, the economic, business and other purposes of such void or unenforceable provision.

[THE REMAINDER OF THIS PAGE INTENTIONALLY LEFT BLANK.]

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IN WITNESS WHEREOF, the parties hereto have caused this Amendment No. 1 to Agreement and Plan of Merger to be executed by their duly authorized respective officers as of the date first written above.

SONIC SOLUTIONS
By:	/s/ Paul F. Norris
Name:	Paul F. Norris
Title:	Executive Vice President, Chief Financial Officer and General Counsel
SIRACUSA MERGER CORPORATION
By:	/s/ Paul F. Norris
Name:	Paul F. Norris
Title:	Secretary and Treasurer
SIRACUSA MERGER LLC
By:	/s/ Paul F. Norris
Name:	Paul F. Norris
Title:	Secretary and Treasurer
DIVX, INC.
By:	/s/ Kevin Hell
Name:	Kevin Hell
Title:	Chief Executive Officer and Director

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