Sec Form 4 Filing - OTEE 2020 ApS @ Unity Software Inc. - 2021-09-14

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 OTEE 2020 ApS 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) STOCKHOLMSGADE 45, 3. Date of Earliest Transaction (MM/DD/YY) 09/14/2021 (Street) COPENHAGEN O, G72100 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ 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 09/14/2021 S 124,065 D $ 131.8606 ( 1 ) 28,490,435 I See Footnote ( 2 ) Common Stock 09/14/2021 S 20,448 D $ 132.7698 ( 3 ) 28,469,987 I See Footnote ( 2 ) Common Stock 09/14/2021 S 5,487 D $ 133.6182 ( 4 ) 28,464,500 I See Footnote ( 2 ) Common Stock 09/15/2021 S 16,966 D $ 129.465 ( 5 ) 28,447,534 I See Footnote ( 2 ) Common Stock 09/15/2021 S 40,584 D $ 130.3662 ( 6 ) 28,406,950 I See Footnote ( 2 ) Common Stock 09/15/2021 S 68,754 D $ 131.2422 ( 7 ) 28,338,196 I See Footnote ( 2 ) Common Stock 09/15/2021 S 23,696 D $ 132.0413 ( 8 ) 28,314,500 I See Footnote ( 2 ) Common Stock 2,407 D ( 9 ) Common Stock 12,297 D ( 10 )

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 OTEE 2020 ApS STOCKHOLMSGADE 45 COPENHAGEN O, G72100 X X Helgason David C/O UNITY SOFTWARE INC 30 - 3RD STREET SAN FRANCISCO, CA94103 X Ante Joachim Christoph C/O OTEE 2020 APS STOCKHOLMSGADE 45 COPENHAGEN O, G72100 X Signatures OTEE 2020 ApS, By: /s/ Joachim Christoph Ante, Director, By: /s/ David Helgason, Director 09/15/2021 Signature of Reporting Person Date /s/ David Helgason, Director 09/15/2021 Signature of Reporting Person Date /s/ Joachim Christoph Ante 09/15/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $131.3600 to $132.3400, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer 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 range set forth in this Form 4. ( 2 )OTEE 2020 ApS ("OTEE") holds the reported securities directly. David Helgason, a director of the Issuer, and Joachim Christoph Ante are directly and indirectly the sole members of OTEE and have equal voting and dispositive power over the Issuer's shares held by OTEE. Each of Messrs. Mr. Helgason and Ante disclaims beneficial ownership of the shares held by OTEE except to the extent of his pecuniary interest therein. ( 3 )The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $132.3600 to $133.2700, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer 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 range set forth in this Form 4. ( 4 )The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $133.3600 to $133.9000, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer 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 range set forth in this Form 4. ( 5 )The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $128.8300 to $129.8200, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer 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 range set forth in this Form 4. ( 6 )The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $129.8300 to $130.8200, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer 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 range set forth in this Form 4. ( 7 )The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $130.8300 to $131.8200, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer 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 range set forth in this Form 4. ( 8 )The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $131.8300 to $132.3800, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer 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 range set forth in this Form 4. ( 9 )Represents 2,407 restricted stock units granted to Mr. Helgason. The shares subject to this award vest in full on the earlier of (i) June 17, 2022, the first anniversary of the date of grant, and (ii) the date of the Issuer's next annual meeting of stockholders, subject to the Reporting Person's continued service through such date. ( 10 )Represents 12,297 restricted stock units granted to Mr. Ante. The shares subject to these awards vest according to the following schedule: 30% on each of November 25, 2022 and November 25, 2023 and 40% on November 25, 2024, subject to the Reporting Person's continued service through each such vesting date.

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).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violati ons. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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