BDTX

SEC source: 0000899243-20-025830 · doc4.xml · nonDerivative · entry 3

Bolzon Bradley J PhD · CIK 0001354345 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F5 · kind: Represents a pro-rata distribution, and not a purchase or sale, without additional consideration by Versant Ventures VI GP to its partners.

F4 · ownership.nature: Shares held by Versant Ventures VI GP. Versant Ventures VI GP-GP is the general partner of Versant Ventures VI GP. The Reporting Person 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 Ventures VI GP; however, he disclaims beneficial ownership of such securities, except to the extent of his pecuniary interests therein.

SEC source: 0000899243-20-025830 · doc4.xml · nonDerivative · entry 2

Bolzon Bradley J PhD · CIK 0001354345 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 8,000

F3 · kind: Represents a change in the form of ownership of Versant Ventures VI GP by virtue of the receipt of shares as a result of the pro-rata in-kind distribution of common stock of the Issuer for no consideration by Versant VI.

F4 · ownership.nature: Shares held by Versant Ventures VI GP. Versant Ventures VI GP-GP is the general partner of Versant Ventures VI GP. The Reporting Person 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 Ventures VI GP; however, he disclaims beneficial ownership of such securities, except to the extent of his pecuniary interests therein.

SEC source: 0000899243-20-025830 · doc4.xml · nonDerivative · entry 1

Bolzon Bradley J PhD · CIK 0001354345 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 5,797,230

F1 · kind: Represents a pro-rata distribution, and not a purchase or sale, without additional consideration by Versant Venture Capital VI, L.P. ("Versant VI"), to its partners.

F2 · ownership.nature: Shares held by 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. The Reporting Person 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 interests therein.

SEC source: 0000899243-20-025361 · doc4.xml · derivative · entry 5

Hatzis-Schoch Brent · CIK 0001637054 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 198,498

Underlying: Common Stock · 4,078 shares

Expires 2029-06-11

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_date: 25% of the shares subject to this option vested and became exercisable on May 22, 2020, with the remainder vesting in 36 equal monthly installments thereafter.

SEC source: 0000899243-20-025361 · doc4.xml · nonDerivative · entry 4

Hatzis-Schoch Brent · CIK 0001637054 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,000

F1 · kind: Shares sold pursuant to a pre-established 10b5-1 trading plan effective as of June 12, 2020

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $32.28 to $32.70, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0000899243-20-025361 · doc4.xml · nonDerivative · entry 3

Hatzis-Schoch Brent · CIK 0001637054 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,207

F1 · kind: Shares sold pursuant to a pre-established 10b5-1 trading plan effective as of June 12, 2020

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.21 to $31.975, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0000899243-20-025361 · doc4.xml · nonDerivative · entry 2

Hatzis-Schoch Brent · CIK 0001637054 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,393

F1 · kind: Shares sold pursuant to a pre-established 10b5-1 trading plan effective as of June 12, 2020

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.20 to $31.145, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0000899243-20-025361 · doc4.xml · nonDerivative · entry 1

Hatzis-Schoch Brent · CIK 0001637054 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,078

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000899243-20-025360 · doc4.xml · derivative · entry 3

Leggett Thomas · CIK 0001774690 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 230,171

Underlying: Common Stock · 3,000 shares

Expires 2029-09-08

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: 25% of the shares subject to this option vested and became exercisable on September 5, 2020, with the remainder vesting in 36 equal monthly installments thereafter.

SEC source: 0000899243-20-025360 · doc4.xml · nonDerivative · entry 2

Leggett Thomas · CIK 0001774690 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: Shares sold pursuant to a pre-established 10b5-1 trading plan effective as of June 5, 2020.

SEC source: 0000899243-20-025360 · doc4.xml · nonDerivative · entry 1

Leggett Thomas · CIK 0001774690 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000899243-20-024836 · doc4.xml · derivative · entry 2

HUMPHREY RACHEL · CIK 0001579781 · Chief Medical Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 150,000

Underlying: Common Stock · 150,000 shares

Expires 2030-09-08

F2 · derivative.exercise_date: 25% of this option shall vest and become exercisable on September 8, 2021, with the remainder vesting in 36 equal monthly installments thereafter.

SEC source: 0000899243-20-024836 · doc4.xml · nonDerivative · entry 1

HUMPHREY RACHEL · CIK 0001579781 · Chief Medical Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

F1 · shares: The shares reported in this transaction represent Restricted Stock Units ("RSUs") granted under the Black Diamond Therapeutics, Inc. 2020 Stock Option and Incentive Plan. Each RSU represents the contingent right to receive one share of the Issuer's common stock. The RSUs shall vest in three equal annual installments, with the first installment commencing on September 8, 2021, subject to the Reporting Person's continuous service to the Issuer through each vesting date.

F1 · balance_after: The shares reported in this transaction represent Restricted Stock Units ("RSUs") granted under the Black Diamond Therapeutics, Inc. 2020 Stock Option and Incentive Plan. Each RSU represents the contingent right to receive one share of the Issuer's common stock. The RSUs shall vest in three equal annual installments, with the first installment commencing on September 8, 2021, subject to the Reporting Person's continuous service to the Issuer through each vesting date.

SEC source: 0000899243-20-024374 · doc4.xml · derivative · entry 4

Roberts Christopher D. · CIK 0001788368 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 191,809

Underlying: Common Stock · 2,500 shares

Expires 2029-09-08

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: 25% of the shares subject to this option vested and became exercisable on September 3, 2020, with the remainder vesting in 36 equal monthly installments thereafter.

SEC source: 0000899243-20-024374 · doc4.xml · nonDerivative · entry 3

Roberts Christopher D. · CIK 0001788368 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: Shares sold pursuant to a pre-established 10b5-1 trading plan effective as of June 2, 2020.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $29.035 to $30.01, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0000899243-20-024374 · doc4.xml · nonDerivative · entry 2

Roberts Christopher D. · CIK 0001788368 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,358

F1 · kind: Shares sold pursuant to a pre-established 10b5-1 trading plan effective as of June 2, 2020.

SEC source: 0000899243-20-024374 · doc4.xml · nonDerivative · entry 1

Roberts Christopher D. · CIK 0001788368 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,500

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000899243-20-023072 · doc4.xml · nonDerivative · entry 5

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Voyageurs I Parallel, L.P. · CIK 0001745961 · 10% owner

Versant Voyageurs I, L.P. · CIK 0001745960 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F8 · kind: Represents a pro-rata distribution, and not a purchase or sale, without additional consideration by Versant Ventures VI GP-GP to its members.

F7 · ownership.nature: Shares held by Versant Ventures VI GP-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 interests therein. Bradley J. Bolzon is a director of the Issuer and, accordingly, files separate Section 16 reports.

SEC source: 0000899243-20-023072 · doc4.xml · nonDerivative · entry 4

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Voyageurs I Parallel, L.P. · CIK 0001745961 · 10% owner

Versant Voyageurs I, L.P. · CIK 0001745960 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 5,176

F6 · kind: Represents a change in the form of ownership of Versant Ventures VI GP-GP by virtue of the receipt of shares as a result of the pro-rata in-kind distribution of common stock of the Issuer for no consideration by Versant Ventures VI GP.

F7 · ownership.nature: Shares held by Versant Ventures VI GP-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 interests therein. Bradley J. Bolzon is a director of the Issuer and, accordingly, files separate Section 16 reports.

SEC source: 0000899243-20-023072 · doc4.xml · nonDerivative · entry 3

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Voyageurs I Parallel, L.P. · CIK 0001745961 · 10% owner

Versant Voyageurs I, L.P. · CIK 0001745960 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F5 · kind: Represents a pro-rata distribution, and not a purchase or sale, without additional consideration by Versant Ventures VI GP to its partners.

F4 · ownership.nature: Shares held by Versant Ventures VI GP. 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 interests therein. Bradley J. Bolzon is a director of the Issuer and, accordingly, files separate Section 16 reports.

SEC source: 0000899243-20-023072 · doc4.xml · nonDerivative · entry 2

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Voyageurs I Parallel, L.P. · CIK 0001745961 · 10% owner

Versant Voyageurs I, L.P. · CIK 0001745960 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 6,000

F3 · kind: Represents a change in the form of ownership of Versant Ventures VI GP by virtue of the receipt of shares as a result of the pro-rata in-kind distribution of common stock of the Issuer for no consideration by Versant VI.

F4 · ownership.nature: Shares held by Versant Ventures VI GP. 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 interests therein. Bradley J. Bolzon is a director of the Issuer and, accordingly, files separate Section 16 reports.

SEC source: 0000899243-20-023072 · doc4.xml · nonDerivative · entry 1

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Voyageurs I Parallel, L.P. · CIK 0001745961 · 10% owner

Versant Voyageurs I, L.P. · CIK 0001745960 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,197,230

F1 · kind: Represents a pro-rata distribution, and not a purchase or sale, without additional consideration by Versant Venture Capital VI, L.P. ("Versant VI"), to its partners.

F2 · ownership.direct: Shares held by 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 interests therein. Bradley J. Bolzon is a director of the Issuer and, accordingly, files separate Section 16 reports.

SEC source: 0000899243-20-023073 · doc4.xml · nonDerivative · entry 6

Bolzon Bradley J PhD · CIK 0001354345 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,927

F9 · kind: Represents a change in the form of ownership of the Reporting Person by virtue of the receipt of shares as a result of the pro-rata in-kind distribution of common stock of the Issuer for no consideration by Versant Ventures VI GP-GP.

SEC source: 0000899243-20-023073 · doc4.xml · nonDerivative · entry 5

Bolzon Bradley J PhD · CIK 0001354345 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F8 · kind: Represents a pro-rata distribution, and not a purchase or sale, without additional consideration by Versant Ventures VI GP-GP to its members.

F7 · ownership.nature: Shares held by Versant Ventures VI GP-GP. The Reporting Person 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 interests therein.

SEC source: 0000899243-20-023073 · doc4.xml · nonDerivative · entry 4

Bolzon Bradley J PhD · CIK 0001354345 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 5,176

F6 · kind: Represents a change in the form of ownership of Versant Ventures VI GP-GP by virtue of the receipt of shares as a result of the pro-rata in-kind distribution of common stock of the Issuer for no consideration by Versant Ventures VI GP.

F7 · ownership.nature: Shares held by Versant Ventures VI GP-GP. The Reporting Person 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 interests therein.

SEC source: 0000899243-20-023073 · doc4.xml · nonDerivative · entry 3

Bolzon Bradley J PhD · CIK 0001354345 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F5 · kind: Represents a pro-rata distribution, and not a purchase or sale, without additional consideration by Versant Ventures VI GP to its partners.

F4 · ownership.nature: Shares held by Versant Ventures VI GP. Versant Ventures VI GP-GP is the general partner of Versant Ventures VI GP. The Reporting Person 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 interests therein.

SEC source: 0000899243-20-023073 · doc4.xml · nonDerivative · entry 2

Bolzon Bradley J PhD · CIK 0001354345 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 6,000

F3 · kind: Represents a change in the form of ownership of Versant Ventures VI GP by virtue of the receipt of shares as a result of the pro-rata in-kind distribution of common stock of the Issuer for no consideration by Versant VI.

F4 · ownership.nature: Shares held by Versant Ventures VI GP. Versant Ventures VI GP-GP is the general partner of Versant Ventures VI GP. The Reporting Person 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 interests therein.

SEC source: 0000899243-20-023073 · doc4.xml · nonDerivative · entry 1

Bolzon Bradley J PhD · CIK 0001354345 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 6,197,230

F1 · kind: Represents a pro-rata distribution, and not a purchase or sale, without additional consideration by Versant Venture Capital VI, L.P. ("Versant VI"), to its partners.

F2 · ownership.nature: Shares held by 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. The Reporting Person 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 interests therein.

SEC source: 0000899243-20-022440 · doc4.xml · nonDerivative · entry 5

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Voyageurs I Parallel, L.P. · CIK 0001745961 · 10% owner

Versant Voyageurs I, L.P. · CIK 0001745960 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F8 · kind: Represents a pro-rata distribution, and not a purchase or sale, without additional consideration by Versant Ventures VI GP-GP to its members, pursuant to a Rule 10b5-1 distribution plan.

F7 · ownership.nature: Shares held by Versant Ventures VI GP-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 interests therein. Bradley J. Bolzon is a director of the Issuer and, accordingly, files separate Section 16 reports.

SEC source: 0000899243-20-022440 · doc4.xml · nonDerivative · entry 4

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Voyageurs I Parallel, L.P. · CIK 0001745961 · 10% owner

Versant Voyageurs I, L.P. · CIK 0001745960 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 5,176

F6 · kind: Represents a change in the form of ownership of Versant Ventures VI GP-GP by virtue of the receipt of shares as a result of the pro-rata in-kind distribution of common stock of the Issuer for no consideration by Versant Ventures VI GP.

F7 · ownership.nature: Shares held by Versant Ventures VI GP-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 interests therein. Bradley J. Bolzon is a director of the Issuer and, accordingly, files separate Section 16 reports.

SEC source: 0000899243-20-022440 · doc4.xml · nonDerivative · entry 3

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Voyageurs I Parallel, L.P. · CIK 0001745961 · 10% owner

Versant Voyageurs I, L.P. · CIK 0001745960 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F5 · kind: Represents a pro-rata distribution, and not a purchase or sale, without additional consideration by Versant Ventures VI GP to its partners, pursuant to a Rule 10b5-1 distribution plan.

F4 · ownership.nature: Shares held by Versant Ventures VI GP. 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 interests therein. Bradley J. Bolzon is a director of the Issuer and, accordingly, files separate Section 16 reports.

SEC source: 0000899243-20-022440 · doc4.xml · nonDerivative · entry 2

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Voyageurs I Parallel, L.P. · CIK 0001745961 · 10% owner

Versant Voyageurs I, L.P. · CIK 0001745960 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 6,000

F3 · kind: Represents a change in the form of ownership of Versant Ventures VI GP by virtue of the receipt of shares as a result of the pro-rata in-kind distribution of common stock of the Issuer for no consideration by Versant VI.

F4 · ownership.nature: Shares held by Versant Ventures VI GP. 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 interests therein. Bradley J. Bolzon is a director of the Issuer and, accordingly, files separate Section 16 reports.

SEC source: 0000899243-20-022440 · doc4.xml · nonDerivative · entry 1

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Voyageurs I Parallel, L.P. · CIK 0001745961 · 10% owner

Versant Voyageurs I, L.P. · CIK 0001745960 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,497,230

F1 · kind: Represents a pro-rata distribution, and not a purchase or sale, without additional consideration by Versant Venture Capital VI, L.P. ("Versant VI"), to its partners, pursuant to a Rule 10b5-1 distribution plan.

F2 · ownership.direct: Shares held by 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 interests therein. Bradley J. Bolzon is a director of the Issuer and, accordingly, files separate Section 16 reports.

SEC source: 0000899243-20-022439 · doc4.xml · nonDerivative · entry 6

Bolzon Bradley J PhD · CIK 0001354345 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,209

F9 · kind: Represents a change in the form of ownership of the Reporting Person by virtue of the receipt of shares as a result of the pro-rata in-kind distribution of common stock of the Issuer for no consideration by Versant Ventures VI GP-GP.

SEC source: 0000899243-20-022439 · doc4.xml · nonDerivative · entry 5

Bolzon Bradley J PhD · CIK 0001354345 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F8 · kind: Represents a pro-rata distribution, and not a purchase or sale, without additional consideration by Versant Ventures VI GP-GP to its members, pursuant to a Rule 10b5-1 distribution plan.

F7 · ownership.nature: Shares held by Versant Ventures VI GP-GP. The Reporting Person 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 interests therein.

SEC source: 0000899243-20-022439 · doc4.xml · nonDerivative · entry 4

Bolzon Bradley J PhD · CIK 0001354345 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 5,176

F6 · kind: Represents a change in the form of ownership of Versant Ventures VI GP-GP by virtue of the receipt of shares as a result of the pro-rata in-kind distribution of common stock of the Issuer for no consideration by Versant Ventures VI GP.

F7 · ownership.nature: Shares held by Versant Ventures VI GP-GP. The Reporting Person 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 interests therein.

SEC source: 0000899243-20-022439 · doc4.xml · nonDerivative · entry 3

Bolzon Bradley J PhD · CIK 0001354345 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F5 · kind: Represents a pro-rata distribution, and not a purchase or sale, without additional consideration by Versant Ventures VI GP to its partners, pursuant to a Rule 10b5-1 distribution plan.

F4 · ownership.nature: Shares held by Versant Ventures VI GP. Versant Ventures VI GP-GP is the general partner of Versant Ventures VI GP. The Reporting Person 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 interests therein.

SEC source: 0000899243-20-022439 · doc4.xml · nonDerivative · entry 2

Bolzon Bradley J PhD · CIK 0001354345 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 6,000

F3 · kind: Represents a change in the form of ownership of Versant Ventures VI GP by virtue of the receipt of shares as a result of the pro-rata in-kind distribution of common stock of the Issuer for no consideration by Versant VI.

F4 · ownership.nature: Shares held by Versant Ventures VI GP. Versant Ventures VI GP-GP is the general partner of Versant Ventures VI GP. The Reporting Person 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 interests therein.

SEC source: 0000899243-20-022439 · doc4.xml · nonDerivative · entry 1

Bolzon Bradley J PhD · CIK 0001354345 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,497,230

F1 · kind: Represents a pro-rata distribution, and not a purchase or sale, without additional consideration by Versant Venture Capital VI, L.P. ("Versant VI"), to its partners, pursuant to a Rule 10b5-1 distribution plan.

F2 · ownership.direct: Shares held by 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. The Reporting Person 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 interests therein.

SEC source: 0000899243-20-022188 · doc4.xml · nonDerivative · entry 4

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Voyageurs I Parallel, L.P. · CIK 0001745961 · 10% owner

Versant Voyageurs I, L.P. · CIK 0001745960 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,797,230

F1 · kind: The sale of these shares were effected pursuant to Rule 10b5-1 trading plans adopted by each of Versant Vantage I, L.P. ("Versant Vantage I") and Versant Venture Capital VI, L.P. ("Versant VI").

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.00 to $33.255, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (5) to this Form 4.

F4 · ownership.direct: Shares held by 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 interests therein. Bradley J. Bolzon is a director of the Issuer and, accordingly, files separate Section 16 reports.

SEC source: 0000899243-20-022188 · doc4.xml · nonDerivative · entry 3

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Voyageurs I Parallel, L.P. · CIK 0001745961 · 10% owner

Versant Voyageurs I, L.P. · CIK 0001745960 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,125,778

F1 · kind: The sale of these shares were effected pursuant to Rule 10b5-1 trading plans adopted by each of Versant Vantage I, L.P. ("Versant Vantage I") and Versant Venture Capital VI, L.P. ("Versant VI").

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.00 to $33.255, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (5) to this Form 4.

F3 · ownership.nature: Shares held by 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 LP. 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 interests therein. Bradley J. Bolzon is a director of the Issuer and, accordingly, files separate Section 16 reports.

SEC source: 0000899243-20-022185 · doc4.xml · nonDerivative · entry 4

Bolzon Bradley J PhD · CIK 0001354345 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 6,797,230

F1 · kind: The sale of these shares were effected pursuant to Rule 10b5-1 trading plans adopted by each of Versant Vantage I, L.P. ("Versant Vantage I") and Versant Venture Capital VI, L.P. ("Versant VI").

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.00 to $33.255, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (5) to this Form 4.

F4 · ownership.nature: Shares held by 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. The Reporting Person 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 interests therein.

SEC source: 0000899243-20-022185 · doc4.xml · nonDerivative · entry 3

Bolzon Bradley J PhD · CIK 0001354345 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,125,778

F1 · kind: The sale of these shares were effected pursuant to Rule 10b5-1 trading plans adopted by each of Versant Vantage I, L.P. ("Versant Vantage I") and Versant Venture Capital VI, L.P. ("Versant VI").

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.00 to $33.255, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (5) to this Form 4.

F3 · ownership.nature: Shares held by 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 LP. The Reporting Person 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 interests therein.

SEC source: 0000899243-20-022188 · doc4.xml · nonDerivative · entry 2

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Voyageurs I Parallel, L.P. · CIK 0001745961 · 10% owner

Versant Voyageurs I, L.P. · CIK 0001745960 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,803,922

F1 · kind: The sale of these shares were effected pursuant to Rule 10b5-1 trading plans adopted by each of Versant Vantage I, L.P. ("Versant Vantage I") and Versant Venture Capital VI, L.P. ("Versant VI").

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.00 to $33.23, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (2) to this Form 4.

F4 · ownership.direct: Shares held by 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 interests therein. Bradley J. Bolzon is a director of the Issuer and, accordingly, files separate Section 16 reports.

SEC source: 0000899243-20-022188 · doc4.xml · nonDerivative · entry 1

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Voyageurs I Parallel, L.P. · CIK 0001745961 · 10% owner

Versant Voyageurs I, L.P. · CIK 0001745960 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,126,661

F1 · kind: The sale of these shares were effected pursuant to Rule 10b5-1 trading plans adopted by each of Versant Vantage I, L.P. ("Versant Vantage I") and Versant Venture Capital VI, L.P. ("Versant VI").

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.00 to $33.23, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (2) to this Form 4.

F3 · ownership.nature: Shares held by 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 LP. 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 interests therein. Bradley J. Bolzon is a director of the Issuer and, accordingly, files separate Section 16 reports.

SEC source: 0000899243-20-022185 · doc4.xml · nonDerivative · entry 2

Bolzon Bradley J PhD · CIK 0001354345 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 6,803,922

F1 · kind: The sale of these shares were effected pursuant to Rule 10b5-1 trading plans adopted by each of Versant Vantage I, L.P. ("Versant Vantage I") and Versant Venture Capital VI, L.P. ("Versant VI").

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.00 to $33.23, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (2) to this Form 4.

F4 · ownership.nature: Shares held by 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. The Reporting Person 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 interests therein.

SEC source: 0000899243-20-022185 · doc4.xml · nonDerivative · entry 1

Bolzon Bradley J PhD · CIK 0001354345 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,126,661

F1 · kind: The sale of these shares were effected pursuant to Rule 10b5-1 trading plans adopted by each of Versant Vantage I, L.P. ("Versant Vantage I") and Versant Venture Capital VI, L.P. ("Versant VI").

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.00 to $33.23, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (2) to this Form 4.

F3 · ownership.nature: Shares held by 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 LP. The Reporting Person 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 interests therein.

SEC source: 0000950123-20-007316 · doc4.xml · nonDerivative · entry 10

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Voyageurs I Parallel, L.P. · CIK 0001745961 · 10% owner

Versant Voyageurs I, L.P. · CIK 0001745960 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F16 · kind: Represents a pro-rata distribution, and not a purchase or sale, without additional consideration by Versant Vantage I GP-GP, to its members, pursuant to a Rule 10b5-1 distribution plan.

F15 · ownership.nature: Shares held by Versant Vantage I GP-GP. 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 Versant Vantage I GP-GP; 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.

SEC source: 0000950123-20-007316 · doc4.xml · nonDerivative · entry 9

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Voyageurs I Parallel, L.P. · CIK 0001745961 · 10% owner

Versant Voyageurs I, L.P. · CIK 0001745960 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,177

F14 · kind: Represents a change in the form of ownership of Versant Vantage I GP-GP by virtue of the receipt of shares in the pro-rata in-kind distribution of common stock of the Issuer for no consideration by Versant Vantage I GP LP.

F15 · ownership.nature: Shares held by Versant Vantage I GP-GP. 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 Versant Vantage I GP-GP; 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.

SEC source: 0000950123-20-007316 · doc4.xml · nonDerivative · entry 8

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Voyageurs I Parallel, L.P. · CIK 0001745961 · 10% owner

Versant Voyageurs I, L.P. · CIK 0001745960 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F13 · kind: Represents a pro-rata distribution, and not a purchase or sale, without additional consideration by Versant Vantage I GP LP, to its partners, pursuant to a Rule 10b5-1 distribution plan.

F12 · ownership.nature: Shares held by Versant Vantage I GP LP. Versant Vantage I GP-GP is the general partner of Versant Vantage I GP LP. 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.