Sec Form 4 Filing - Versant Venture Capital VI, L.P. @ Black Diamond Therapeutics, Inc. - 2020-02-03

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 Versant Venture Capital VI, L.P. 2. Issuer Name and Ticker or Trading Symbol Black Diamond Therapeutics, Inc. [ BDTX] 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) ONE SANSOME STREET, SUITE 3630 3. Date of Earliest Transaction (MM/DD/YY) 02/03/2020 (Street) SAN FRANCISCO, CA94104 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 02/03/2020 C 4,973,787 A 5,305,372 D ( 2 ) Common Stock 02/03/2020 C 380,817 A 380,817 I See footnote ( 3 ) Common Stock 02/03/2020 C 1,277,111 A 1,277,111 I See footnote ( 4 ) Common Stock 02/03/2020 C 653,412 A 5,958,784 D ( 2 ) Common Stock 02/03/2020 C 150,085 A 530,902 I See footnote ( 3 ) Common Stock 02/03/2020 C 503,327 A 1,780,438 I See footnote ( 4 ) Common Stock 02/03/2020 C 454,548 A 6,413,332 D ( 2 ) Common Stock 02/03/2020 C 104,407 A 635,309 I See footnote ( 3 ) Common Stock 02/03/2020 C 350,141 A 2,130,579 I See footnote ( 4 ) Common Stock 02/03/2020 C 810,522 A 810,522 I See footnote ( 7 ) Common Stock 02/03/2020 P 79,013 ( 8 ) A $ 19 2,209,592 I See footnote ( 4 ) Common Stock 02/03/2020 P 23,560 ( 9 ) A $ 19 658,869 I See footnote ( 3 ) Common Stock 02/03/2020 P 396,082 ( 10 ) A $ 19 6,809,414 D ( 2 ) Common Stock 02/03/2020 P 396,081 ( 11 ) A $ 19 1,206,603 I See footnote ( 7 )

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 A Preferred Stock ( 1 ) 02/03/2020 C 15,000,000 ( 1 ) ( 1 ) Common Stock 4,973,787 ( 1 ) 0 D ( 2 ) Series A Preferred Stock ( 1 ) 02/03/2020 C 1,148,474 ( 1 ) ( 1 ) Common Stock 380,817 ( 1 ) 0 I See Footnote ( 3 ) Series A Preferred Stock ( 1 ) 02/03/2020 C 3,851,526 ( 1 ) ( 1 ) Common Stock 1,277,111 ( 1 ) 0 I See Footnote ( 4 ) Series B Preferred Stock ( 5 ) 02/03/2020 C 1,970,572 ( 5 ) ( 5 ) Common Stock 653,412 ( 5 ) 0 D ( 2 ) Series B Preferred Stock ( 5 ) 02/03/2020 C 452,630 ( 5 ) ( 5 ) Common Stock 150,085 ( 5 ) 0 I See Footnote ( 3 ) Series B Preferred Stock ( 5 ) 02/03/2020 C 1,517,940 ( 5 ) ( 5 ) Common Stock 503,327 ( 5 ) 0 I See Footnote ( 4 ) Series C Preferred Stock ( 6 ) 02/03/2020 C 1,370,833 ( 6 ) ( 6 ) Common Stock 454,548 ( 6 ) 0 D ( 2 ) Series C Preferred Stock ( 6 ) 02/03/2020 C 314,873 ( 6 ) ( 6 ) Common Stock 104,407 ( 6 ) 0 I See Footnote ( 3 ) Series C Preferred Stock ( 6 ) 02/03/2020 C 1,055,960 ( 6 ) ( 6 ) Common Stock 350,141 ( 6 ) 0 I See Footnote ( 4 ) Series C Preferred Stock ( 6 ) 02/03/2020 C 2,444,382 ( 6 ) ( 6 ) Common Stock 810,522 ( 6 ) 0 I See Footnote ( 7 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Versant Venture Capital VI, L.P. ONE SANSOME STREET SUITE 3630 SAN FRANCISCO, CA94104 X Versant Voyageurs I Parallel, L.P. ONE SANSOME STREET SUITE 3630 SAN FRANCISCO, CA94104 X Versant Voyageurs I, L.P. ONE SANSOME STREET SUITE 3630 SAN FRANCISCO, CA94104 X Versant Vantage I, L.P. ONE SANSOME STREET SUITE 3630 SAN FRANCISCO, CA94104 X Signatures /s/ Versant Venture Capital VI, L.P. By: Versant Ventures VI GP, L.P. Its: General Partner By: Versant Ventures VI GP-GP, LLC By: Robin L. Praeger Its: Managing Director 02/05/2020 Signature of Reporting Person Date /s/ Versant Voyageurs I Parallel, L.P. By: Versant Voyageurs I GP, L.P. Its: General Partner By: Versant Ventures VI GP, L.P. Its: General Partner By: Versant Ventures VI GP-GP, LLC By: Robin L. Praeger Its: Managing Director. 02/05/2020 Signature of Reporting Person Date /s/ Versant Voyageurs I, L.P. By: Versant Voyageurs I GP Company Its: General Partner By: Robin L. Praeger Its: President. 02/05/2020 Signature of Reporting Person Date /s/ Versant Vantage I, LP By: Versant Vantage I GP, L.P. Its: General Partner By: Versant Vantage I GP-GP, LLC Its: General Partner By: Robin L. Praeger Its: Managing Director 02/05/2020 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Upon the closing of the Issuer's initial public offering, all shares of Series A Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-3.01581 basis. The Series A Preferred Stock had no expiration date. ( 2 )Shares held by Versant Venture Capital VI, L.P. ("Versant VI"). Versant Ventures VI GP, L.P. ("Versant Ventures VI GP") is the general partner of Versant VI, and Versant Ventures VI GP-GP, LLC ("Versant Ventures VI GP-GP") is the general partner of Versant Ventures VI GP. Bradley J. Bolzon is a managing member of Versant Ventures VI GP-GP and may be deemed to share voting and dispositive power over the shares held by Versant VI; however, he disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein. Bradley J. Bolzon is a director of the Issuer and, accordingly, files separate Section 16 reports. ( 3 )Shares held by Versant Voyageurs I Parallel, L.P. ("Versant I Parallel"). Versant Voyageurs I GP, L.P. ("Versant Voyageurs I GP LP") is the general partner of Versant I Parallel. Versant Ventures VI GP, L.P. is the general partner of Versant Voyageurs I GP LP. Versant Ventures VI GP-GP is the general partner of Versant Ventures VI GP. Bradley J. Bolzon, is a managing member of Versant Ventures VI GP-GP and may be deemed to share voting and dispositive power over the shares held by Versant I Parallel; however, he disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein. Bradley J. Bolzon is a director of the Issuer and, accordingly, files separate Section 16 reports. ( 4 ) Shares held by Versant Voyageurs I, L.P.("Versant Voyageurs I"). Versant Voyageurs I GP Company ("Versant Voyageurs I GP") is the general partner of Versant Voyageurs I. Bradley J. Bolzon is may be deemed to share voting and dispositive power over the shares held by Versant Voyageurs I; however, he disclaims beneficial ownership of such securities, except to the extent of his pecuniary interests therein. Bradley J. Bolzon is a director of the Issuer and, accordingly, files separate Section 16 reports. ( 5 )Upon the closing of the Issuer's initial public offering, all shares of Series B Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-3.01581 basis. The Series B Preferred Stock had no expiration date. ( 6 )Upon the closing of the Issuer's initial public offering, all shares of Series C Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-3.01581 basis. The Series C Preferred Stock had no expiration date. ( 7 )Shares held by Versant Vantage I, L.P. ("Versant Vantage I"). Versant Vantage I GP, L.P. ("Versant Vantage I GP LP") is the general partner of Versant Vantage I, and Versant Vantage I GP-GP, LLC ("Versant Vantage I GP GP") is the general partner of Versant Vantage I GP L.P. Bradley J. Bolzon is a managing member of Versant Vantage I GP-GP and may be deemed to share voting and dispositive power over the shares held by Versant Vantage I; however, he disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein. Bradley J. Bolzon is a director of the Issuer and, accordingly, files separate Section 16 reports. ( 8 )On February 3, 2020, Versant Voyageurs I purchased 79,013 shares of Common Stock of the Issuer at a price of $19.00 per share pursuant to an underwritten public offering. ( 9 )On February 3, 2020, Versant I Parallel purchased 23,560 shares of Common Stock of the Issuer at a price of $19.00 per share pursuant to an underwritten public offering. ( 10 )On February 3, 2020, Versant VI purchased 396,082 shares of Common Stock of the Issuer at a price of $19.00 per share pursuant to an underwritten public offering. ( 11 )On February 3, 2020, Versant Vantage I purchased 396,081 shares of Common Stock of the Issuer at a price of $19.00 per share pursuant to an underwritten public offering.

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