Sec Form 3 Filing - Bessemer Venture Partners VIII L.P. @ CS Disco, Inc. - 2021-07-20

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 Bessemer Venture Partners VIII L.P. 2. Issuer Name and Ticker or Trading Symbol CS Disco, Inc. [ LAW] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O BESSEMER VENTURE PARTNERS, 1865 PALMER AVE., SUITE 104 3. Date of Earliest Transaction (MM/DD/YY) 07/20/2021 (Street) LARCHMONT, NY10538 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 980,070 I See footnote ( 1 ) ( 2 )

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 Series B Preferred Stock ( 3 ) ( 3 ) ( 3 ) Common Stock 5,121,212 I See footnote ( 2 ) ( 4 ) Series C Preferred Stock ( 3 ) ( 3 ) ( 3 ) Common Stock 1,988,169 I See footnote ( 2 ) ( 5 ) Series D Preferred Stock ( 3 ) ( 3 ) ( 3 ) Common Stock 2,952,458 I See footnote ( 2 ) ( 6 ) Series E Preferred Stock ( 3 ) ( 3 ) ( 3 ) Common Stock 1,175,825 I See footnote ( 2 ) ( 7 ) Series F Preferred Stock ( 3 ) ( 3 ) ( 3 ) Common Stock 807,727 I See footnote ( 2 ) ( 8 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Bessemer Venture Partners VIII L.P. C/O BESSEMER VENTURE PARTNERS 1865 PALMER AVE., SUITE 104 LARCHMONT, NY10538 X Bessemer Venture Partners VIII Institutional L.P. C/O BESSEMER VENTURE PARTNERS 1865 PALMER AVE., SUITE 104 LARCHMONT, NY10538 X Deer VIII & Co. L.P. C/O BESSEMER VENTURE PARTNERS 1865 PALMER AVE., SUITE 104 LARCHMONT, NY10538 X Deer VIII & Co. Ltd. C/O BESSEMER VENTURE PARTNERS 1865 PALMER AVE., SUITE 104 LARCHMONT, NY10538 X Signatures /s/ Scott Ring, General Counsel, Deer VIII & Co. Ltd., the General Partner of Deer VIII & Co. L.P., the General Partner of Bessemer Venture Partners VIII L.P. 07/20/2021 Signature of Reporting Person Date /s/ Scott Ring, General Counsel, Deer VIII & Co. Ltd., the General Partner of Deer VIII & Co. L.P., the General Partner of Bessemer Venture Partners VIII Institutional L.P. 07/20/2021 Signature of Reporting Person Date /s/ Scott Ring, General Counsel, Deer VIII & Co. Ltd., the General Partner of Deer VIII & Co. L.P. 07/20/2021 Signature of Reporting Person Date /s/ Scott Ring, General Counsel, Deer VIII & Co. Ltd. 07/20/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )As of the date hereof, Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and Bessemer Venture Partners VIII, L.P. ("BVP VIII", together with BVP VIII Inst referred to collectively, the "Funds") own 535,118 shares of Common Stock and 444,952 shares of Common Stock, respectively. ( 2 )Deer VIII & Co. Ltd. ("Deer Ltd.") is the general partner of Deer VIII & Co. L.P. ("Deer L.P."), which is the general partner of BVP VIII Inst and BVP VIII. Deer Ltd. and Deer L.P. disclaim beneficial ownership of the securities held by the Funds, and this report shall not be deemed an admission that Deer Ltd. and Deer L.P. are the beneficial owners of such securities, except to the extent of their pecuniary interest therein, if any, by virtue of their direct and indirect general partner interests in the Funds. ( 3 )Each share of Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stock is convertible at any time at the option of the holder, without payment of additional consideration, into Common Stock, on a one for one basis, has no expiration date and is expected to automatically convert into shares of Common Stock upon the closing of the Issuer's initial public offering. ( 4 )As of the date hereof, BVP VIII Inst and BVP VIII own 2,796,182 shares of Series B Preferred Stock and 2,325,030 shares Series B Preferred Stock, respectively. ( 5 )As of the date hereof, BVP VIII Inst and BVP VIII own 1,085,540 shares Series C Preferred Stock and 902,629 shares Series C Preferred Stock, respectively. ( 6 )As of the date hereof, BVP VIII Inst and BVP VIII own 1,612,042 shares Series D Preferred Stock and 1,340,416 shares Series D Preferred Stock, respectively. ( 7 )As of the date hereof, BVP VIII Inst and BVP VIII own 642,000 shares Series E Preferred Stock and 533,825 shares Series E Preferred Stock, respectively. ( 8 )As of the date hereof, BVP VIII Inst and BVP VIII own 441,019 shares Series F Preferred Stock and 366,708 shares Series F Preferred Stock, respectively.

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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