UNITED STATES SECURITIES AND EXCHANGE COMMISSION

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 6-K

Report of Foreign Private Issuer
Pursuant to Rule 13a-16 or 15d-16
under the Securities Exchange Act of 1934

For the month of ~~September~~ October 2022

Commission File Number 001- 40539

ironSource Ltd.

(Translation of Registrant’s name into English)

121 Menachem Begin Street

Tel Aviv 6701203, Israel

(Address of principal executive offices)

Indicate by check mark whether the Registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

Form 20-F x

Form 40-F ¨

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ¨

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101 (b)(7): ¨

EXPLANATORY NOTE

~~The~~On ~~following~~October ~~documents~~7, 2022 at 4:00 p.m. Israel time, ironSource Ltd. (the “Company”) ~~are~~held ~~attached~~its ~~hereto~~previously asannounced ~~exhibits~~Special toGeneral ~~this~~Meetings ~~Form~~of ~~6-K~~Shareholders ~~and~~(the ~~incorporated~~“Meetings”) byat ~~reference~~the ~~herein:~~Company's headquarters at 121 Menachem Begin Street, Tel Aviv-Yafo, Israel, on the 12th floor.

	99.1	Proxy Statement for the ironSource Ltd. Special General Meeting of Shareholders (the “Meeting”) filed as part of the Registration Statement on Form S-4 of Unity Software, Inc. (“Unity”) filed with the Securities and Exchange Commission (the “SEC”) on September 8, 2022;
	99.2	Proxy card being distributed to ironSource shareholders in connection with their vote at the Meetings (incorporated by reference to Exhibit 99.5 to the Form S-4);
	99.3	Consent of Ernst & Young LLP, Independent Registered Public Accounting Firm;
	99.4	Consent of Morgan Stanley & Co. LLC; and
	99.5	Consent of Jefferies LLC.

At the Meetings, separate class meetings of holders of Class A ordinary shares, no par value, of the Company (“ironSource Class A ordinary shares”) and holders of Class B ordinary shares, no par value, of the Company (“ironSource Class B ordinary shares and, together with the ironSource Class A ordinary shares, the “ironSource ordinary shares”), respectively, as well as a combined meeting of holders of ironSource ordinary shares, took place, at which shareholders approved the following proposal:

*“to *approve, *pursuant *to *Section 320 of the Israeli Companies Law, 5759-1999 (together with the regulations promulgated thereunder, the “Companies Law”), the merger contemplated by the Agreement and Plan of Merger, dated July 13, 2022 (as it may be amended from time to time, the “Merger Agreement”), by and among the Company, Unity Software Inc., a Delaware corporation ( “Unity”) and Ursa Aroma Merger Subsidiary Ltd., a company formed under the laws of the State of Israel and a wholly owned subsidiary of Unity (“Merger Sub”), including approval of: (i) the merger transaction pursuant to Sections 314 through 327 of the Companies Law, whereby Merger Sub will merge with and into ironSource, with ironSource surviving and becoming a direct wholly owned subsidiary of Unity (the “Merger”); (ii) the Merger Agreement; (iii) the consideration to be received by ironSource’s shareholders in the Merger, other than holders of “Cancelled Shares”(as defined in the Merger Agreement), consisting of 0.1089 of a share of Unity common stock, par value $0.000005 per share (which we refer to as “Unity common stock”) subject to the withholding of any applicable taxes, each ironSource Class A ordinary share and each ironSource Class B ordinary share, held as of immediately prior to the effective time of the Merger; and (iv) all other transactions and arrangements contemplated by the Merger Agreement.”

The foregoing proposal was approved at the Meetings by over 99% of the shares voted of each class of shareholders, and achieved the respective requisite majority, including the requisite majority of the disinterested shareholders, in accordance with the Companies Law, and the Company’s Articles of Association, as further described in the Proxy Statement which was attached as Exhibit 99.1 to the Company’s Report of Foreign Private Issuer on Form 6-K, furnished to the Securities and Exchange Commission on September 8, 2022.

This Form 6-K is hereby incorporated by reference into the Company's Registration Statements on Form S-8 (Registration Nos. 333-264007 and 333-258690).

Cautionary Statement Regarding Forward-Looking Statements

This communication includes forward-looking statements. These forward-looking statements generally can be identified by phrases such as “will,” “expects,” “anticipates,” “foresees,” “forecasts,” “estimates’’ or other words or phrases of similar import. These statements are based on current expectations, estimates and projections about the industry and markets in which Unity Software Inc. (“Unity”) and ironSource Ltd. (“ironSource”) operate and management’s beliefs and assumptions as to the timing and outcome of future events, including the transactions described in this communication. While Unity’s and ironSource’s management believe the assumptions underlying the forward-looking statements are reasonable, such information is necessarily subject to uncertainties and may involve certain risks, many of which are difficult to predict and are beyond management’s control. These risks and uncertainties include, but are not limited to the expected timing and likelihood of completion of the proposed transaction, including the timing, receipt and terms and conditions of any required governmental and regulatory approvals of the proposed transaction; the occurrence of any event, change or other circumstances that could give rise to the termination of the merger agreement; the outcome of any legal proceedings that may be instituted against the parties and others following announcement of the merger agreement; the inability to consummate the transaction due to the failure to obtain the requisite stockholder approvals or the failure to satisfy other conditions to completion of the transaction; risks that the proposed transaction disrupts current plans and operations of Unity and ironSource; the ability to recognize the anticipated benefits of the transaction, including anticipated synergies; the amount of the costs, fees, expenses and charges related to the transaction; Unity’s expected stock buyback occurring as planned or at all; and the other risks and important factors contained and identified in Unity’s and ironSource’s filings with the Securities and Exchange Committee (“SEC”), such as Unity’s Annual Report on Form 10-K for the fiscal year ended December 31, 2021 and subsequent Quarterly Reports on Form 10-Q and Current Reports on Form 8-K, and ironSource’s Annual Report on Form 20-F for the fiscal year ended December 31, 2021 and subsequent Current Reports on Form 6-K, any of which could cause actual results to differ materially from the forward-looking statements in this communication.

There can be no assurance that the proposed transaction will in fact be consummated. We caution investors not to unduly rely on any forward-looking statements. The forward-looking statements speak only as of the date of this press release. Neither Unity nor ironSource is under any duty to update any of these forward-looking statements after the date of this communication, nor to conform prior statements to actual results or revised expectations, and neither Unity nor ironSource intends to do so.

Important Information for Investors and Stockholders

In connection with the proposed transaction, Unity has filed with the SEC a registration statement on Form S-4, which was declared effective on September 8, 2022 as well as a joint proxy statement of Unity and ironSource that also constitutes a prospectus of Unity, which joint proxy statement/prospectus will be mailed or otherwise disseminated to Unity’s and ironSource’s respective securityholders, as applicable, as soon as possible hereafter. Unity and ironSource also plan to file other relevant documents with the SEC regarding the proposed transaction. INVESTORS ARE URGED TO READ THE JOINT PROXY STATEMENT/PROSPECTUS AND OTHER RELEVANT DOCUMENTS FILED WITH THE SEC IF AND WHEN THEY BECOME AVAILABLE, BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION.

Investors and securityholders may obtain free copies of the registration statement and the joint proxy statement/prospectus and other relevant documents filed by Unity and ironSource with the SEC at the SEC’s website at www.sec.gov. Copies of the documents filed by the companies will be available free of charge on their respective websites at www.unity.com and www.is.com.

Participants in Solicitation

Unity, ironSource and their respective directors and executive officers may be considered participants in the solicitation of proxies in connection with the proposed transaction. Information about the directors and executive officers of Unity is set forth in its proxy statement for its 2022 annual meeting of stockholders, which was filed with the SEC on April 20, 2022. Information about the directors and executive officers of ironSource is set forth in its Annual Report on Form 20-F for the fiscal year ended December 31, 2021, which was filed with the SEC on March 30, 2022. These documents can be obtained free of charge from the sources indicated above. Additional information regarding the participants in the proxy solicitations and a description of their direct and indirect interests, by security holdings or otherwise, are contained in the joint proxy statement/prospectus and other relevant materials to be filed with the SEC when they become available.

No Offer or Solicitation

This communication is not intended to and shall not constitute an offer to sell or the solicitation of an offer to sell or the solicitation of an offer to buy any securities or a solicitation of any vote of approval, nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. No offer of securities shall be made except by means of a prospectus meeting the requirements of Section 10 of the Securities Act of 1933, as amended.

SIGNATURES

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.

	IRONSOURCE, LTD.
	(Registrant)
	By:	/s/ Assaf Ben Ami
		Assaf Ben Ami
		Chief Financial Officer
	Date: September 8, 2022
	Date: October 11, 2022

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