Sec Form 4 Filing - BOTHA ROELOF @ Unity Software Inc. - 2022-02-11

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 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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1. Name and Address of Reporting Person BOTHA ROELOF 2. Issuer Name and Ticker or Trading Symbol Unity Software Inc. [ U] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 2800 SAND HILL ROAD, SUITE 101 3. Date of Earliest Transaction (MM/DD/YY) 02/11/2022 (Street) MENLO PARK, CA94025 4. If Amendment, Date Original Filed (MM/DD/YY) 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 Common Stock 02/11/2022 J 1,125,295 D 9,002,363 I Sequoia Capital Global Growth Fund III - Endurance Partners, L.P.( 2 )( 3 ) Common Stock 02/11/2022 J 1,504,820 D 12,038,549 I Sequoia Capital XII, L.P.( 2 )( 3 ) Common Stock 02/11/2022 J 228,832 D 1,830,656 I Sequoia Capital XII Principals Fund, LLC( 2 )( 3 ) Common Stock 02/11/2022 J 80,116 D 640,928 I Sequoia Technology Partners XII, L.P.( 2 )( 3 ) Common Stock 02/11/2022 J 983,417 D 7,867,338 I Sequoia Capital Global Growth Fund, L.P.( 2 )( 3 ) Common Stock 02/11/2022 J 35,665 D 285,321 I Sequoia Capital Global Growth Principals Fund, L.P.( 2 )( 3 ) Common Stock 02/11/2022 J 421,235 D 3,369 ,879 I Sequoia Capital U.S. Growth Fund VI, L.P.( 2 )( 3 ) Common Stock 02/11/2022 J 30,135 D 241,084 I Sequoia Capital U.S. Growth VI Principals Fund, L.P.( 2 )( 3 ) Common Stock 02/11/2022 J 194,899 D 1,556,602 I Sequoia Grove II, LLC (( 5 ) Common Stock 02/11/2022 J 3,201,452 A 3,201,452 I Sequoia Capital Fund, LP( 6 ) Common Stock 02/11/2022 J 699,088 A 699,088 I Sequoia Capital Fund Parallel, LLC( 6 ) Common Stock 1,425,079 I By estate planning vehicle Common Stock 17,270( 4 ) D

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other BOTHA ROELOF 2800 SAND HILL ROAD, SUITE 101 MENLO PARK, CA94025 X X Signatures /s/ Jung Yeon Son, Attorney-in-fact for Roelof Botha 02/15/2022 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund. ( 2 )The Reporting Person is a director and stockholder of SC US (TTGP), Ltd. SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. (GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (GFVI PF) (collectively, the GFVI Funds); (ii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, LP (GGF) and Sequoia Capital Global Growth Principals Fund, LP (GGF PF) (collectively, the GGF Funds); and (iii) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III). SC XII Management, LLC is a general partner of each of Sequoia Capital XII, L.P. (XII) and Sequoia Technology Partners XII, L.P. (STP XII), ( 3 )(continued from footnote 2) and the managing member of Sequoia Capital XII Principals Fund, LLC (XII PF) (collectively the XII Funds). Voting and disposition decisions at SC US (TTGP), Ltd. with respect to the shares held by the GGFIII are made by an investment committee that includes the Reporting Person. The Reporting Person disclaims beneficial ownership of the securities included in this report, except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. ( 4 )Represents restricted stock units granted to the Reporting Person. The shares subject to this award vest in full on the date of the Issuer's first annual meeting of stockholders that occurs following the completion of the Issuer's initial public offering, subject to the Reporting Person's continued service through that date. ( 5 )The Reporting Person is a member of Sequoia Grove II, LLC. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. ( 6 )The Reporting Person is a director and stockholder of SC US (TTGP), Ltd. SC US (TTGP), Ltd. is (i) the general partner of Sequoia Capital Fund Management, L.P., which is the general partner of each of Sequoia Capital Fund, LP (SCF) and Sequoia Capital Fund Parallel, LLC (SCFP). As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SCF and SCFP. The Reporting Person disclaims beneficial ownership of the securities included in this report, except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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