ALGS

SEC source: 0001567619-22-013390 · doc1.xml · derivative · entry 1

Scopa James Paul · CIK 0001356950 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,000

Underlying: Common Stock · 15,000 shares

Expires 2032-06-23

F1 · derivative.exercise_date: The shares subject to the option will vest and become exercisable as to 100% of the total number of shares subject to the option on the earlier of the first anniversary of the grant date or immediately prior to the annual meeting in 2023 of the Issuer's stockholders, subject to continuous service to the Issuer through such vesting date.

SEC source: 0001567619-22-013389 · doc1.xml · derivative · entry 1

Nielsen Jack · CIK 0001602402 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,000

Underlying: Common Stock · 15,000 shares

Expires 2032-06-23

F1 · derivative.exercise_date: The shares subject to the option will vest and become exercisable as to 100% of the total number of shares subject to the option on the earlier of the first anniversary of the grant date or immediately prior to the annual meeting in 2023 of the Issuer's stockholders, subject to continuous service to the Issuer through such vesting date.

SEC source: 0001567619-22-013388 · doc1.xml · derivative · entry 1

Nuechterlein Carole · CIK 0001665133 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,000

Underlying: Common Stock · 15,000 shares

Expires 2032-06-23

F1 · derivative.exercise_date: The shares subject to the option will vest and become exercisable as to 100% of the total number of shares subject to the option on the earlier of the first anniversary of the grant date or immediately prior to the annual meeting in 2023 of the Issuer's stockholders, subject to continuous service to the Issuer through such vesting date.

SEC source: 0001567619-22-013387 · doc1.xml · derivative · entry 1

Martell Bridget A · CIK 0001629627 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,000

Underlying: Common Stock · 15,000 shares

Expires 2032-06-23

F1 · derivative.exercise_date: The shares subject to the option will vest and become exercisable as to 100% of the total number of shares subject to the option on the earlier of the first anniversary of the grant date or immediately prior to the annual meeting in 2023 of the Issuer's stockholders, subject to continuous service to the Issuer through such vesting date.

SEC source: 0001567619-22-002893 · doc1.xml · derivative · entry 2

Symons Julian A. · CIK 0001824727 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,250

Underlying: Common Stock · 26,250 shares

Expires 2032-02-04

F2 · derivative.exercise_date: 100% of the shares subject to the Option will be fully vested and exercisable as of the third anniversary of the Vesting Commencement Date, subject to the Reporting Person's continued service through such vesting date.

SEC source: 0001567619-22-002893 · doc1.xml · derivative · entry 1

Symons Julian A. · CIK 0001824727 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 105,000

Underlying: Common Stock · 105,000 shares

Expires 2032-02-04

F1 · derivative.exercise_date: 1/48th of the total number of shares vest in forty-eight (48) successive and equal monthly installments measured from February 4, 2022 (the "Vesting Commencement Date"), such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date, subject to the Reporting Person's continued service through each vesting date.

SEC source: 0001567619-22-002892 · doc1.xml · derivative · entry 2

BLATT LAWRENCE · CIK 0001242110 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,850

Underlying: Common Stock · 80,850 shares

Expires 2032-02-04

F2 · derivative.exercise_date: 100% of the shares subject to the Option will be fully vested and exercisable as of the third anniversary of the Vesting Commencement Date, subject to the Reporting Person's continued service through such vesting date.

SEC source: 0001567619-22-002892 · doc1.xml · derivative · entry 1

BLATT LAWRENCE · CIK 0001242110 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 323,400

Underlying: Common Stock · 323,400 shares

Expires 2032-02-04

F1 · derivative.exercise_date: 1/48th of the total number of shares vest in forty-eight (48) successive and equal monthly installments measured from February 4, 2022 (the "Vesting Commencement Date"), such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date, subject to the Reporting Person's continued service through each vesting date.

SEC source: 0001567619-22-002891 · doc1.xml · derivative · entry 2

Calhoun Lesley Ann · CIK 0001730866 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,250

Underlying: Common Stock · 26,250 shares

Expires 2032-02-04

F2 · derivative.exercise_date: 100% of the shares subject to the Option will be fully vested and exercisable as of the third anniversary of the Vesting Commencement Date, subject to the Reporting Person's continued service through such vesting date.

SEC source: 0001567619-22-002891 · doc1.xml · derivative · entry 1

Calhoun Lesley Ann · CIK 0001730866 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 105,000

Underlying: Common Stock · 105,000 shares

Expires 2032-02-04

F1 · derivative.exercise_date: 1/48th of the total number of shares vest in forty-eight (48) successive and equal monthly installments measured from February 4, 2022 (the "Vesting Commencement Date"), such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date, subject to the Reporting Person's continued service through each vesting date.

SEC source: 0001567619-22-002890 · doc1.xml · derivative · entry 2

Quan Lucinda Y. · CIK 0001824711 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,250

Underlying: Common Stock · 26,250 shares

Expires 2032-02-04

F2 · derivative.exercise_date: 100% of the shares subject to the Option will be fully vested and exercisable as of the third anniversary of the Vesting Commencement Date, subject to the Reporting Person's continued service through such vesting date.

SEC source: 0001567619-22-002890 · doc1.xml · derivative · entry 1

Quan Lucinda Y. · CIK 0001824711 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 105,000

Underlying: Common Stock · 105,000 shares

Expires 2032-02-04

F1 · derivative.exercise_date: 1/48th of the total number of shares vest in forty-eight (48) successive and equal monthly installments measured from February 4, 2022 (the "Vesting Commencement Date"), such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date, subject to the Reporting Person's continued service through each vesting date.

SEC source: 0001567619-22-002889 · doc1.xml · derivative · entry 2

Beigelman Leonid · CIK 0001824721 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,700

Underlying: Common Stock · 56,700 shares

Expires 2032-02-04

F2 · derivative.exercise_date: 100% of the shares subject to the Option will be fully vested and exercisable as of the third anniversary of the Vesting Commencement Date, subject to the Reporting Person's continued service through such vesting date.

SEC source: 0001567619-22-002889 · doc1.xml · derivative · entry 1

Beigelman Leonid · CIK 0001824721 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 226,800

Underlying: Common Stock · 226,800 shares

Expires 2032-02-04

F1 · derivative.exercise_date: 1/48th of the total number of shares vest in forty-eight (48) successive and equal monthly installments measured from February 4, 2022 (the "Vesting Commencement Date"), such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date, subject to the Reporting Person's continued service through each vesting date.

SEC source: 0001567619-21-020770 · doc1.xml · derivative · entry 1

Martell Bridget A · CIK 0001629627 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,000

Underlying: Common Stock · 30,000 shares

Expires 2031-11-16

F1 · derivative.exercise_date: 1/36th of the total number of shares vest in thirty-six (36) successive and equal monthly installments measured from November 16, 2021 (the "Vesting Commencement Date"), such that 100% of the shares subject to the option will be fully vested and exercisable on the third anniversary of the Vesting Commencement Date.

SEC source: 0001567619-21-012337 · doc1.xml · derivative · entry 1

Hirth Peter · CIK 0001813780 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,000

Underlying: Common Stock · 15,000 shares

Expires 2031-06-17

F1 · derivative.exercise_date: The shares subject to the option will vest and become exercisable as to 100% of the total number of shares subject to the option on the earlier of the first anniversary of the grant date or the day prior to the annual meeting in 2022 of the Issuer's stockholders, assuming continuous service as a director until such vesting date.

SEC source: 0001567619-21-012370 · doc1.xml · derivative · entry 1

Nielsen Jack · CIK 0001602402 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,000

Underlying: Common Stock · 15,000 shares

Expires 2031-06-17

F1 · derivative.exercise_date: The shares subject to the option will vest and become exercisable as to 100% of the total number of shares subject to the option on the earlier of the first anniversary of the grant date or the day prior to the annual meeting in 2022 of the Issuer's stockholders, assuming continuous service as a director until such vesting date.

SEC source: 0001567619-21-012339 · doc1.xml · derivative · entry 1

Woiwode Thomas · CIK 0001619294 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,000

Underlying: Common Stock · 15,000 shares

Expires 2031-06-17

F1 · derivative.exercise_date: The shares subject to the option will vest and become exercisable as to 100% of the total number of shares subject to the option on the earlier of the first anniversary of the grant date or the day prior to the annual meeting in 2022 of the Issuer's stockholders, assuming continuous service as a director until such vesting date.

SEC source: 0001567619-21-012335 · doc1.xml · derivative · entry 1

Nuechterlein Carole · CIK 0001665133 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,000

Underlying: Common Stock · 15,000 shares

Expires 2031-06-17

F1 · derivative.exercise_date: The shares subject to the option will vest and become exercisable as to 100% of the total number of shares subject to the option on the earlier of the first anniversary of the grant date or the day prior to the annual meeting in 2022 of the Issuer's stockholders, assuming continuous service as a director until such vesting date.

SEC source: 0000899243-21-023881 · doc4.xml · nonDerivative · entry 6

Woiwode Thomas · CIK 0001619294 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,452

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 VV VI GP-GP.

SEC source: 0000899243-21-023881 · doc4.xml · nonDerivative · entry 5

Woiwode Thomas · CIK 0001619294 · Director

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 VV VI GP-GP, to its members.

F7 · ownership.nature: Shares held by VV VI GP-GP. The Reporting Person is a managing member of VV VI GP-GP and may be deemed to share voting and dispositive power over the shares held VV VI GP-GP; however, he disclaims beneficial ownership of such securities, except to the extent of his pecuniary interests therein.

SEC source: 0000899243-21-023881 · doc4.xml · nonDerivative · entry 4

Woiwode Thomas · CIK 0001619294 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 8,383

F6 · kind: Represents a change in the form of ownership of VV VI 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 VV VI GP.

F7 · ownership.nature: Shares held by VV VI GP-GP. The Reporting Person is a managing member of VV VI GP-GP and may be deemed to share voting and dispositive power over the shares held VV VI GP-GP; however, he disclaims beneficial ownership of such securities, except to the extent of his pecuniary interests therein.

SEC source: 0000899243-21-023881 · doc4.xml · nonDerivative · entry 3

Woiwode Thomas · CIK 0001619294 · Director

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 VV VI GP, to its partners.

F4 · ownership.nature: Shares held by VV VI GP. VV VI GP-GP is the general partner of VV VI GP. The Reporting Person is a managing member of VV VI GP-GP and may be deemed to share voting and dispositive power over the shares held by VV VI GP; however, he disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-023881 · doc4.xml · nonDerivative · entry 2

Woiwode Thomas · CIK 0001619294 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 9,719

F3 · kind: Represents a change in the form of ownership of VV VI 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 VVC VI.

F4 · ownership.nature: Shares held by VV VI GP. VV VI GP-GP is the general partner of VV VI GP. The Reporting Person is a managing member of VV VI GP-GP and may be deemed to share voting and dispositive power over the shares held by VV VI GP; however, he disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-023881 · doc4.xml · nonDerivative · entry 1

Woiwode Thomas · CIK 0001619294 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,457,937

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

F2 · ownership.nature: Shares held by VVC VI. Versant Ventures VI GP, L.P. ("VV VI GP") is the general partner of VVC VI, and Versant Ventures VI GP-GP, LLC ("VV VI GP-GP") is the general partner of VV VI GP. The Reporting Person is a managing member of VV VI GP-GP and may be deemed to share voting and dispositive power over the shares held by VVC VI; however, he disclaims beneficial ownership of such securities, except to the extent of his pecuniary interests therein.

SEC source: 0001567619-21-008646 · doc1.xml · derivative · entry 1

Scopa James Paul · CIK 0001356950 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,000

Underlying: Common Stock · 30,000 shares

Expires 2031-04-26

F1 · derivative.exercise_date: 1/36th of the total number of shares vest in thirty-six (36) successive and equal monthly installments measured from April 26, 2021 (the "Vesting Commencement Date"), such that 100% of the shares subject to the option will be fully vested and exercisable on the third anniversary of the Vesting Commencement Date.

SEC source: 0000899243-21-017187 · doc4.xml · nonDerivative · entry 6

Woiwode Thomas · CIK 0001619294 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,226

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 VV VI GP-GP.

SEC source: 0000899243-21-017187 · doc4.xml · nonDerivative · entry 5

Woiwode Thomas · CIK 0001619294 · Director

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 VV VI GP-GP, to its members.

F7 · ownership.nature: Shares held by VV VI GP-GP. The Reporting Person is a managing member of VV VI GP-GP and may be deemed to share voting and dispositive power over the shares held VV VI GP-GP; however, he disclaims beneficial ownership of such securities, except to the extent of his pecuniary interests therein.

SEC source: 0000899243-21-017187 · doc4.xml · nonDerivative · entry 4

Woiwode Thomas · CIK 0001619294 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 8,385

F6 · kind: Represents a change in the form of ownership of VV VI 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 VV VI GP.

F7 · ownership.nature: Shares held by VV VI GP-GP. The Reporting Person is a managing member of VV VI GP-GP and may be deemed to share voting and dispositive power over the shares held VV VI GP-GP; however, he disclaims beneficial ownership of such securities, except to the extent of his pecuniary interests therein.

SEC source: 0000899243-21-017187 · doc4.xml · nonDerivative · entry 3

Woiwode Thomas · CIK 0001619294 · Director

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 VV VI GP, to its partners.

F4 · ownership.nature: Shares held by VV VI GP. VV VI GP-GP is the general partner of VV VI GP. The Reporting Person is a managing member of VV VI GP-GP and may be deemed to share voting and dispositive power over the shares held by VV VI GP; however, he disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-017187 · doc4.xml · nonDerivative · entry 2

Woiwode Thomas · CIK 0001619294 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 9,720

F3 · kind: Represents a change in the form of ownership of VV VI 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 VVC VI.

F4 · ownership.nature: Shares held by VV VI GP. VV VI GP-GP is the general partner of VV VI GP. The Reporting Person is a managing member of VV VI GP-GP and may be deemed to share voting and dispositive power over the shares held by VV VI GP; however, he disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-017187 · doc4.xml · nonDerivative · entry 1

Woiwode Thomas · CIK 0001619294 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,943,916

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

F2 · ownership.nature: Shares held by VVC VI. Versant Ventures VI GP, L.P. ("VV VI GP") is the general partner of VVC VI, and Versant Ventures VI GP-GP, LLC ("VV VI GP-GP") is the general partner of VV VI GP. The Reporting Person is a managing member of VV VI GP-GP and may be deemed to share voting and dispositive power over the shares held by VVC VI; however, he disclaims beneficial ownership of such securities, except to the extent of his pecuniary interests therein.

SEC source: 0001567619-20-020625 · doc1.xml · derivative · entry 1

Symons Julian A. · CIK 0001824727 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 200,000

Underlying: Common Stock · 200,000 shares

Expires 2030-12-01

F1 · derivative.exercise_date: 1/48th of the total number of shares vest in forty-eight (48) successive and equal monthly installments measured from December 1, 2020 (the "Vesting Commencement Date"), such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date.

SEC source: 0001567619-20-020623 · doc1.xml · derivative · entry 1

Quan Lucinda Y. · CIK 0001824711 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 200,000

Underlying: Common Stock · 200,000 shares

Expires 2030-12-01

F1 · derivative.exercise_date: 1/48th of the total number of shares vest in forty-eight (48) successive and equal monthly installments measured from December 1, 2020 (the "Vesting Commencement Date"), such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date.

SEC source: 0001567619-20-020624 · doc1.xml · derivative · entry 1

Calhoun Lesley Ann · CIK 0001730866 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 176,237

Underlying: Common Stock · 176,237 shares

Expires 2030-12-01

F1 · derivative.exercise_date: Subject to the Reporting Person's continued service to the Company through her one year anniversary as an employee with the issuer (which is May 31, 2021), 1/48th of the total number of shares subject to the option vest in forty-eight (48) successive and equal monthly installments measured from December 1, 2020 (the "Vesting Commencement Date"), such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date.

SEC source: 0001567619-20-020622 · doc1.xml · derivative · entry 1

Beigelman Leonid · CIK 0001824721 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 300,000

Underlying: Common Stock · 300,000 shares

Expires 2030-12-01

F1 · derivative.exercise_date: 1/48th of the total number of shares vest in forty-eight (48) successive and equal monthly installments measured from December 1, 2020 (the "Vesting Commencement Date"), such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date.

SEC source: 0001567619-20-020621 · doc1.xml · derivative · entry 1

BLATT LAWRENCE · CIK 0001242110 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 450,000

Underlying: Common Stock · 450,000 shares

Expires 2030-12-01

F1 · derivative.exercise_date: 1/48th of the total number of shares vest in forty-eight (48) successive and equal monthly installments measured from December 1, 2020 (the "Vesting Commencement Date"), such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date.

SEC source: 0001567619-20-018012 · doc1.xml · derivative · entry 11

Woiwode Thomas · CIK 0001619294 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 198,485 shares

Expires not disclosed

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.

F1 · derivative.exercise_price: Each share of the issuer's Series A Preferred Stock, Series B-1 Preferred Stock and Series B-2 Preferred Stock automatically converted into one (1) share of the issuer's Common Stock immediately upon the closing of the issuer's initial public offering on October 20, 2020 and had no expiration date.

F1 · derivative.exercise_date: Each share of the issuer's Series A Preferred Stock, Series B-1 Preferred Stock and Series B-2 Preferred Stock automatically converted into one (1) share of the issuer's Common Stock immediately upon the closing of the issuer's initial public offering on October 20, 2020 and had no expiration date.

F1 · derivative.expiration_date: Each share of the issuer's Series A Preferred Stock, Series B-1 Preferred Stock and Series B-2 Preferred Stock automatically converted into one (1) share of the issuer's Common Stock immediately upon the closing of the issuer's initial public offering on October 20, 2020 and had no expiration date.

F3 · ownership.nature: These securities are held of record by Versant Vantage I, L.P. ("VV I"). Versant Vantage I GP, L.P. ("VV I GP") is the sole general partner of VV I. Versant Vantage I GP-GP, LLC ("VV I GP-GP") is the sole general partner of VV I GP and may be deemed to have voting and investment power over the securities held by VV I and as a result may be deemed to have beneficial ownership over such securities. The reporting person is a Managing Director of VV I GP-GP and may be deemed to indirectly beneficially own the securities through his interest in VV I GP-GP. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001567619-20-018012 · doc1.xml · derivative · entry 10

Woiwode Thomas · CIK 0001619294 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 85,065 shares

Expires not disclosed

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.

F1 · derivative.exercise_price: Each share of the issuer's Series A Preferred Stock, Series B-1 Preferred Stock and Series B-2 Preferred Stock automatically converted into one (1) share of the issuer's Common Stock immediately upon the closing of the issuer's initial public offering on October 20, 2020 and had no expiration date.

F1 · derivative.exercise_date: Each share of the issuer's Series A Preferred Stock, Series B-1 Preferred Stock and Series B-2 Preferred Stock automatically converted into one (1) share of the issuer's Common Stock immediately upon the closing of the issuer's initial public offering on October 20, 2020 and had no expiration date.

F1 · derivative.expiration_date: Each share of the issuer's Series A Preferred Stock, Series B-1 Preferred Stock and Series B-2 Preferred Stock automatically converted into one (1) share of the issuer's Common Stock immediately upon the closing of the issuer's initial public offering on October 20, 2020 and had no expiration date.

F2 · ownership.nature: These securities are held of record by Versant Venture Capital VI, L.P. ("VVC VI"). Versant Ventures VI GP, L.P. ("VV VI GP") is the sole general partner of VVC VI. Versant Ventures VI GP-GP, LLC ("VV VI GP-GP") is the sole general partner of VV VI GP and may be deemed to have voting and investment power over the securities held by VVC VI and as a result may be deemed to have beneficial ownership over such securities. The reporting person is a Managing Director of VV VI GP-GP and may be deemed to indirectly beneficially own the securities through his interest in VV VI GP-GP. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001567619-20-018012 · doc1.xml · derivative · entry 9

Woiwode Thomas · CIK 0001619294 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 463,959 shares

Expires not disclosed

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.

F1 · derivative.exercise_price: Each share of the issuer's Series A Preferred Stock, Series B-1 Preferred Stock and Series B-2 Preferred Stock automatically converted into one (1) share of the issuer's Common Stock immediately upon the closing of the issuer's initial public offering on October 20, 2020 and had no expiration date.

F1 · derivative.exercise_date: Each share of the issuer's Series A Preferred Stock, Series B-1 Preferred Stock and Series B-2 Preferred Stock automatically converted into one (1) share of the issuer's Common Stock immediately upon the closing of the issuer's initial public offering on October 20, 2020 and had no expiration date.

F1 · derivative.expiration_date: Each share of the issuer's Series A Preferred Stock, Series B-1 Preferred Stock and Series B-2 Preferred Stock automatically converted into one (1) share of the issuer's Common Stock immediately upon the closing of the issuer's initial public offering on October 20, 2020 and had no expiration date.

F3 · ownership.nature: These securities are held of record by Versant Vantage I, L.P. ("VV I"). Versant Vantage I GP, L.P. ("VV I GP") is the sole general partner of VV I. Versant Vantage I GP-GP, LLC ("VV I GP-GP") is the sole general partner of VV I GP and may be deemed to have voting and investment power over the securities held by VV I and as a result may be deemed to have beneficial ownership over such securities. The reporting person is a Managing Director of VV I GP-GP and may be deemed to indirectly beneficially own the securities through his interest in VV I GP-GP. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001567619-20-018012 · doc1.xml · derivative · entry 8

Woiwode Thomas · CIK 0001619294 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 198,839 shares

Expires not disclosed

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.

F1 · derivative.exercise_price: Each share of the issuer's Series A Preferred Stock, Series B-1 Preferred Stock and Series B-2 Preferred Stock automatically converted into one (1) share of the issuer's Common Stock immediately upon the closing of the issuer's initial public offering on October 20, 2020 and had no expiration date.

F1 · derivative.exercise_date: Each share of the issuer's Series A Preferred Stock, Series B-1 Preferred Stock and Series B-2 Preferred Stock automatically converted into one (1) share of the issuer's Common Stock immediately upon the closing of the issuer's initial public offering on October 20, 2020 and had no expiration date.

F1 · derivative.expiration_date: Each share of the issuer's Series A Preferred Stock, Series B-1 Preferred Stock and Series B-2 Preferred Stock automatically converted into one (1) share of the issuer's Common Stock immediately upon the closing of the issuer's initial public offering on October 20, 2020 and had no expiration date.

F2 · ownership.nature: These securities are held of record by Versant Venture Capital VI, L.P. ("VVC VI"). Versant Ventures VI GP, L.P. ("VV VI GP") is the sole general partner of VVC VI. Versant Ventures VI GP-GP, LLC ("VV VI GP-GP") is the sole general partner of VV VI GP and may be deemed to have voting and investment power over the securities held by VVC VI and as a result may be deemed to have beneficial ownership over such securities. The reporting person is a Managing Director of VV VI GP-GP and may be deemed to indirectly beneficially own the securities through his interest in VV VI GP-GP. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001567619-20-018012 · doc1.xml · derivative · entry 7

Woiwode Thomas · CIK 0001619294 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 2,145,991 shares

Expires not disclosed

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.

F1 · derivative.exercise_price: Each share of the issuer's Series A Preferred Stock, Series B-1 Preferred Stock and Series B-2 Preferred Stock automatically converted into one (1) share of the issuer's Common Stock immediately upon the closing of the issuer's initial public offering on October 20, 2020 and had no expiration date.

F1 · derivative.exercise_date: Each share of the issuer's Series A Preferred Stock, Series B-1 Preferred Stock and Series B-2 Preferred Stock automatically converted into one (1) share of the issuer's Common Stock immediately upon the closing of the issuer's initial public offering on October 20, 2020 and had no expiration date.

F1 · derivative.expiration_date: Each share of the issuer's Series A Preferred Stock, Series B-1 Preferred Stock and Series B-2 Preferred Stock automatically converted into one (1) share of the issuer's Common Stock immediately upon the closing of the issuer's initial public offering on October 20, 2020 and had no expiration date.

F2 · ownership.nature: These securities are held of record by Versant Venture Capital VI, L.P. ("VVC VI"). Versant Ventures VI GP, L.P. ("VV VI GP") is the sole general partner of VVC VI. Versant Ventures VI GP-GP, LLC ("VV VI GP-GP") is the sole general partner of VV VI GP and may be deemed to have voting and investment power over the securities held by VVC VI and as a result may be deemed to have beneficial ownership over such securities. The reporting person is a Managing Director of VV VI GP-GP and may be deemed to indirectly beneficially own the securities through his interest in VV VI GP-GP. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001567619-20-018012 · doc1.xml · nonDerivative · entry 6

Woiwode Thomas · CIK 0001619294 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 862,444

F3 · ownership.nature: These securities are held of record by Versant Vantage I, L.P. ("VV I"). Versant Vantage I GP, L.P. ("VV I GP") is the sole general partner of VV I. Versant Vantage I GP-GP, LLC ("VV I GP-GP") is the sole general partner of VV I GP and may be deemed to have voting and investment power over the securities held by VV I and as a result may be deemed to have beneficial ownership over such securities. The reporting person is a Managing Director of VV I GP-GP and may be deemed to indirectly beneficially own the securities through his interest in VV I GP-GP. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001567619-20-018012 · doc1.xml · nonDerivative · entry 5

Woiwode Thomas · CIK 0001619294 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 662,444

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.

F1 · price: Each share of the issuer's Series A Preferred Stock, Series B-1 Preferred Stock and Series B-2 Preferred Stock automatically converted into one (1) share of the issuer's Common Stock immediately upon the closing of the issuer's initial public offering on October 20, 2020 and had no expiration date.

F3 · ownership.nature: These securities are held of record by Versant Vantage I, L.P. ("VV I"). Versant Vantage I GP, L.P. ("VV I GP") is the sole general partner of VV I. Versant Vantage I GP-GP, LLC ("VV I GP-GP") is the sole general partner of VV I GP and may be deemed to have voting and investment power over the securities held by VV I and as a result may be deemed to have beneficial ownership over such securities. The reporting person is a Managing Director of VV I GP-GP and may be deemed to indirectly beneficially own the securities through his interest in VV I GP-GP. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001567619-20-018012 · doc1.xml · nonDerivative · entry 4

Woiwode Thomas · CIK 0001619294 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 463,959

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.

F1 · price: Each share of the issuer's Series A Preferred Stock, Series B-1 Preferred Stock and Series B-2 Preferred Stock automatically converted into one (1) share of the issuer's Common Stock immediately upon the closing of the issuer's initial public offering on October 20, 2020 and had no expiration date.

F3 · ownership.nature: These securities are held of record by Versant Vantage I, L.P. ("VV I"). Versant Vantage I GP, L.P. ("VV I GP") is the sole general partner of VV I. Versant Vantage I GP-GP, LLC ("VV I GP-GP") is the sole general partner of VV I GP and may be deemed to have voting and investment power over the securities held by VV I and as a result may be deemed to have beneficial ownership over such securities. The reporting person is a Managing Director of VV I GP-GP and may be deemed to indirectly beneficially own the securities through his interest in VV I GP-GP. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001567619-20-018012 · doc1.xml · nonDerivative · entry 3

Woiwode Thomas · CIK 0001619294 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,429,895

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.

F1 · price: Each share of the issuer's Series A Preferred Stock, Series B-1 Preferred Stock and Series B-2 Preferred Stock automatically converted into one (1) share of the issuer's Common Stock immediately upon the closing of the issuer's initial public offering on October 20, 2020 and had no expiration date.

F2 · ownership.nature: These securities are held of record by Versant Venture Capital VI, L.P. ("VVC VI"). Versant Ventures VI GP, L.P. ("VV VI GP") is the sole general partner of VVC VI. Versant Ventures VI GP-GP, LLC ("VV VI GP-GP") is the sole general partner of VV VI GP and may be deemed to have voting and investment power over the securities held by VVC VI and as a result may be deemed to have beneficial ownership over such securities. The reporting person is a Managing Director of VV VI GP-GP and may be deemed to indirectly beneficially own the securities through his interest in VV VI GP-GP. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001567619-20-018012 · doc1.xml · nonDerivative · entry 2

Woiwode Thomas · CIK 0001619294 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,344,830

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.

F1 · price: Each share of the issuer's Series A Preferred Stock, Series B-1 Preferred Stock and Series B-2 Preferred Stock automatically converted into one (1) share of the issuer's Common Stock immediately upon the closing of the issuer's initial public offering on October 20, 2020 and had no expiration date.

F2 · ownership.nature: These securities are held of record by Versant Venture Capital VI, L.P. ("VVC VI"). Versant Ventures VI GP, L.P. ("VV VI GP") is the sole general partner of VVC VI. Versant Ventures VI GP-GP, LLC ("VV VI GP-GP") is the sole general partner of VV VI GP and may be deemed to have voting and investment power over the securities held by VVC VI and as a result may be deemed to have beneficial ownership over such securities. The reporting person is a Managing Director of VV VI GP-GP and may be deemed to indirectly beneficially own the securities through his interest in VV VI GP-GP. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001567619-20-018012 · doc1.xml · nonDerivative · entry 1

Woiwode Thomas · CIK 0001619294 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,145,991

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.

F1 · price: Each share of the issuer's Series A Preferred Stock, Series B-1 Preferred Stock and Series B-2 Preferred Stock automatically converted into one (1) share of the issuer's Common Stock immediately upon the closing of the issuer's initial public offering on October 20, 2020 and had no expiration date.

F2 · ownership.nature: These securities are held of record by Versant Venture Capital VI, L.P. ("VVC VI"). Versant Ventures VI GP, L.P. ("VV VI GP") is the sole general partner of VVC VI. Versant Ventures VI GP-GP, LLC ("VV VI GP-GP") is the sole general partner of VV VI GP and may be deemed to have voting and investment power over the securities held by VVC VI and as a result may be deemed to have beneficial ownership over such securities. The reporting person is a Managing Director of VV VI GP-GP and may be deemed to indirectly beneficially own the securities through his interest in VV VI GP-GP. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001567619-20-018010 · doc1.xml · derivative · entry 14

Vivo Capital VIII, LLC · CIK 0001618789 · 10% owner

Vivo Capital Fund VIII, L.P. · CIK 0001618788 · 10% owner

Vivo Capital Surplus Fund VIII, L.P. · CIK 0001628048 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Vivo Capital Surplus Fund VIII, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 30,939 shares

Expires not disclosed

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.

F1 · derivative.exercise_price: Each share of the issuer's Series A Preferred Stock, Series B-1 Preferred Stock and Series B-2 Preferred Stock automatically converted into one (1) share of the issuer's Common Stock immediately upon the closing of the issuer's initial public offering on October 20, 2020 and had no expiration date.

F1 · derivative.exercise_date: Each share of the issuer's Series A Preferred Stock, Series B-1 Preferred Stock and Series B-2 Preferred Stock automatically converted into one (1) share of the issuer's Common Stock immediately upon the closing of the issuer's initial public offering on October 20, 2020 and had no expiration date.

F1 · derivative.expiration_date: Each share of the issuer's Series A Preferred Stock, Series B-1 Preferred Stock and Series B-2 Preferred Stock automatically converted into one (1) share of the issuer's Common Stock immediately upon the closing of the issuer's initial public offering on October 20, 2020 and had no expiration date.

F2 · ownership.nature: Vivo Capital VIII, LLC ("Vivo LLC") is the general partner of each of Vivo Capital Fund VIII, L.P. and Vivo Capital Surplus Fund VIII, L.P., the record holder of the securities. Frank Kung, Edgar Engleman and Shan Fu are managing members of Vivo LLC and may be deemed to share voting and dispositive power over the securities held by Vivo Capital Fund VIII, L.P. and Vivo Capital Surplus Fund VIII, L.P. Each of these individuals disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed ad admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001567619-20-018010 · doc1.xml · derivative · entry 13

Vivo Capital VIII, LLC · CIK 0001618789 · 10% owner

Vivo Capital Fund VIII, L.P. · CIK 0001618788 · 10% owner

Vivo Capital Surplus Fund VIII, L.P. · CIK 0001628048 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Vivo Capital Fund VIII, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 224,054 shares

Expires not disclosed

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.

F1 · derivative.exercise_price: Each share of the issuer's Series A Preferred Stock, Series B-1 Preferred Stock and Series B-2 Preferred Stock automatically converted into one (1) share of the issuer's Common Stock immediately upon the closing of the issuer's initial public offering on October 20, 2020 and had no expiration date.

F1 · derivative.exercise_date: Each share of the issuer's Series A Preferred Stock, Series B-1 Preferred Stock and Series B-2 Preferred Stock automatically converted into one (1) share of the issuer's Common Stock immediately upon the closing of the issuer's initial public offering on October 20, 2020 and had no expiration date.

F1 · derivative.expiration_date: Each share of the issuer's Series A Preferred Stock, Series B-1 Preferred Stock and Series B-2 Preferred Stock automatically converted into one (1) share of the issuer's Common Stock immediately upon the closing of the issuer's initial public offering on October 20, 2020 and had no expiration date.

F2 · ownership.nature: Vivo Capital VIII, LLC ("Vivo LLC") is the general partner of each of Vivo Capital Fund VIII, L.P. and Vivo Capital Surplus Fund VIII, L.P., the record holder of the securities. Frank Kung, Edgar Engleman and Shan Fu are managing members of Vivo LLC and may be deemed to share voting and dispositive power over the securities held by Vivo Capital Fund VIII, L.P. and Vivo Capital Surplus Fund VIII, L.P. Each of these individuals disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed ad admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.