Sec Form 3 Filing - Forum Investors III LLC @ Forum Merger III Corp - 2020-08-18

FORM 3 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 Forum Investors III LLC 2. Issuer Name and Ticker or Trading Symbol Forum Merger III Corp [ FIII] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director X __ 10% Owner _____ Officer (give title below) X __ Other (specify below) *Director by Deputization (Last) (First) (Middle) C/O FORUM MERGER III CORPORATION, 1615 SOUTH CONGRESS AVENUE, SUITE 103 3. Date of Earliest Transaction (MM/DD/YY) 08/18/2020 (Street) DELRAY BEACH, FL33445 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

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 Class B Common Stock ( 1 ) ( 1 ) ( 1 ) Class A Common Stock 7,187,500 ( 1 ) D ( 2 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Forum Investors III LLC C/O FORUM MERGER III CORPORATION 1615 SOUTH CONGRESS AVENUE, SUITE 103 DELRAY BEACH, FL33445 X X *Director by Deputization Kiev Marshall C/O FORUM MERGER III CORPORATION 1615 SOUTH CONGRESS AVENUE, SUITE 103 DELRAY BEACH, FL33445 X X Co-CEO and President Boris David C/O FORUM MERGER III CORPORATION 1615 SOUTH CONGRESS AVENUE, SUITE 103 DELRAY BEACH, FL33445 X X Co-CEO and CFO Signatures /s/ Daniel Nussen, Attorney-in-Fact for Forum Investors III LLC 08/18/2020 Signature of Reporting Person Date /s/ Daniel Nussen, Attorney-in-Fact for Marshall Kiev 08/18/2020 Signature of Reporting Person Date /s/ Daniel Nussen, Attorney-in-Fact for David Boris 08/18/2020 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The shares of Class B common stock are convertible for shares of the Issuer's Class A common stock as described under the heading "Description of Securities" in the Issuer's registration statement on Form S-1 (File No. 333-240171) (the "Registration Statement") and have no expiration date. The shares of Class B common stock beneficially owned by the Reporting Persons include up to 937,500 shares of Class B common stock subject to forfeiture to the Issuer depending on the extent to which the underwriters' over-allotment option is exercised in connection with the Issuer's initial public offering of units, as described in the Registration Statement. ( 2 )Forum Investors III LLC (the "Sponsor") is the record holder of the shares reported herein. Marshall Kiev and David Boris are the managing members of Forum Capital Management III LLC, which is the managing member of the Sponsor. As such, David Boris and Marshall Kiev may be deemed to have beneficial ownership of the securities held directly the Sponsor. Each such entity or person disclaims any beneficial ownership of the reported shares other than to the extent of any pecuniary interest they may have therein, directly or indirectly.

Remarks: See Exhibit 99.1 - Joint Filer Information, which is incorporated herein by reference and describes in further detail the relationships of the Reporting Persons to the Issuer. See Exhibits 24.1, 24.2 and 24.3 - Powers of Attorney.

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 Violations. 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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