X0306 4 2020-02-03 0 0001701541 Black Diamond Therapeutics, Inc. BDTX 0001687880 Versant Venture Capital VI, L.P. ONE SANSOME STREET SUITE 3630 SAN FRANCISCO CA 94104 0 0 1 0 0001745961 Versant Voyageurs I Parallel, L.P. ONE SANSOME STREET SUITE 3630 SAN FRANCISCO CA 94104 0 0 1 0 0001745960 Versant Voyageurs I, L.P. ONE SANSOME STREET SUITE 3630 SAN FRANCISCO CA 94104 0 0 1 0 0001765253 Versant Vantage I, L.P. ONE SANSOME STREET SUITE 3630 SAN FRANCISCO CA 94104 0 0 1 0 Common Stock 2020-02-03 4 C 0 4973787 A 5305372 D Common Stock 2020-02-03 4 C 0 380817 A 380817 I See footnote Common Stock 2020-02-03 4 C 0 1277111 A 1277111 I See footnote Common Stock 2020-02-03 4 C 0 653412 A 5958784 D Common Stock 2020-02-03 4 C 0 150085 A 530902 I See footnote Common Stock 2020-02-03 4 C 0 503327 A 1780438 I See footnote Common Stock 2020-02-03 4 C 0 454548 A 6413332 D Common Stock 2020-02-03 4 C 0 104407 A 635309 I See footnote Common Stock 2020-02-03 4 C 0 350141 A 2130579 I See footnote Common Stock 2020-02-03 4 C 0 810522 A 810522 I See footnote Common Stock 2020-02-03 4 P 0 79013 19.00 A 2209592 I See footnote Common Stock 2020-02-03 4 P 0 23560 19.00 A 658869 I See footnote Common Stock 2020-02-03 4 P 0 396082 19.00 A 6809414 D Common Stock 2020-02-03 4 P 0 396081 19.00 A 1206603 I See footnote Series A Preferred Stock 2020-02-03 4 C 0 15000000 D Common Stock 4973787 0 D Series A Preferred Stock 2020-02-03 4 C 0 1148474 D Common Stock 380817 0 I See Footnote Series A Preferred Stock 2020-02-03 4 C 0 3851526 D Common Stock 1277111 0 I See Footnote Series B Preferred Stock 2020-02-03 4 C 0 1970572 D Common Stock 653412 0 D Series B Preferred Stock 2020-02-03 4 C 0 452630 D Common Stock 150085 0 I See Footnote Series B Preferred Stock 2020-02-03 4 C 0 1517940 D Common Stock 503327 0 I See Footnote Series C Preferred Stock 2020-02-03 4 C 0 1370833 D Common Stock 454548 0 D Series C Preferred Stock 2020-02-03 4 C 0 314873 D Common Stock 104407 0 I See Footnote Series C Preferred Stock 2020-02-03 4 C 0 1055960 D Common Stock 350141 0 I See Footnote Series C Preferred Stock 2020-02-03 4 C 0 2444382 D Common Stock 810522 0 I See Footnote 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. 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. 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. 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. 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. 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. 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. 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. 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. 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. 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. /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 2020-02-05 /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. 2020-02-05 /s/ Versant Voyageurs I, L.P. By: Versant Voyageurs I GP Company Its: General Partner By: Robin L. Praeger Its: President. 2020-02-05 /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 2020-02-05