Sec Form 4 Filing - NATIONAL AMUSEMENTS INC /MD/ @ ViacomCBS Inc. - 2021-03-24

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 NATIONAL AMUSEMENTS INC /MD/ 2. Issuer Name and Ticker or Trading Symbol ViacomCBS Inc. [ VIACA,VIAC] 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) 846 UNIVERSITY AVENUE 3. Date of Earliest Transaction (MM/DD/YY) 03/24/2021 (Street) NORWOOD, MA02062 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 ViacomCBS Class A common stock 03/24/2021 C( 1 ) 5,500,000 D $ 0 ( 1 ) 36,000,088 I By NAI and NAI EH. ( 2 ) ViacomCBS Class B common stock 03/24/2021 C( 1 ) 5,500,000 A $ 0 ( 1 ) 26,865,426 I By NAI and NAI EH. ( 3 )

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 NATIONAL AMUSEMENTS INC /MD/ 846 UNIVERSITY AVENUE NORWOOD, MA02062 X X Signatures /s/ Tad Jankowski, Vice President 03/24/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Shares of Class A Common Stock were converted to shares of Class B Common Stock on a one-to-one basis for no consideration pursuant to the terms of the Class A Common Stock under ViacomCBS Inc.'s (the "Issuer") Amended and Restated Certificate of Incorporation. ( 2 )Of these securities, (i) 26,345,301 shares are owned directly by National Amusements, Inc. ("NAI") and (ii) 9,654,787 shares are owned directly by NAI Entertainment Holdings LLC ("NAI EH"). NAI EH is a wholly-owned direct subsidiary of NAI. The shares owned directly by NAI EH may also be deemed to be beneficially owned by NAI. Each of the Sumner M. Redstone National Amusements Part B General Trust and the Sumner M. Redstone National Amusements Life Income Trust (the "Continuing Trusts") owns 40% of the voting stock of NAI. Under the terms of the trust agreement governing the Continuing Trusts, the Continuing Trusts are required to have the same seven voting trustees and each such trustee is required to cause each Continuing Trust to vote the NAI voting shares held by that Continuing Trust in the same manner as the NAI voting shares held by the other Continuing Trust. Subject to certain exceptions, actions by the Continuing Trusts are authorized by a vote of a majority of the trustees. The shares owned directly and indirectly by NAI may also be deemed to be beneficially owned by the Continuing Trusts. ( 3 )Of these securities, (i) 13,925,149 shares are owned directly by NAI and (ii) 12,940,277 shares are owned directly by NAI EH. NAI EH is a wholly-owned direct subsidiary of NAI. The shares owned directly by NAI EH may also be deemed to be beneficially owned by NAI. Each of the Continuing Trusts owns 40% of the voting stock of NAI. Under the terms of the trust agreement governing the Continuing Trusts, the Continuing Trusts are required to have the same seven voting trustees and each such trustee is required to cause each Continuing Trust to vote the NAI voting shares held by that Continuing Trust in the same manner as the NAI voting shares held by the other Continuing Trust. Subject to certain exceptions, actions by the Continuing Trusts are authorized by a vote of a majority of the trustees. The shares owned directly and indirectly by NAI may also be deemed to be beneficially owned by the Continuing Trusts.

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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