LENZ

SEC source: 0000899243-21-027011 · doc4.xml · derivative · entry 5

Lehrer-Graiwer Joshua · CIK 0001789673 · Director · PRESIDENT AND CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,763

Underlying: Common Stock · 8,126 shares

Expires not disclosed

F3 · derivative.exercise_price: These shares of Series B Preferred Stock were convertible at any time at the holder's election and automatically converted on a 2.432-for-one basis into shares of the Issuer's common stock immediately upon the closing of the IPO without payment of additional consideration. The Series B Preferred Stock had no expiration date.

F1 · kind: This transaction occurred prior to the Issuer's initial public offering ("IPO") and is being reported on Form 4 solely for purposes of compliance with Rule 16a-2(a) under the Securities Exchange Act of 1934, as amended. The securities covered by such transaction were previously included on the Reporting Person's Form 3.

F3 · derivative.exercise_date: These shares of Series B Preferred Stock were convertible at any time at the holder's election and automatically converted on a 2.432-for-one basis into shares of the Issuer's common stock immediately upon the closing of the IPO without payment of additional consideration. The Series B Preferred Stock had no expiration date.

F3 · derivative.expiration_date: These shares of Series B Preferred Stock were convertible at any time at the holder's election and automatically converted on a 2.432-for-one basis into shares of the Issuer's common stock immediately upon the closing of the IPO without payment of additional consideration. The Series B Preferred Stock had no expiration date.

SEC source: 0000899243-21-026340 · doc4.xml · derivative · entry 1

Jerel Davis · CIK 0001745958 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 30,019,945

Underlying: Common Stock · 4,111,842 shares

Expires not disclosed

F1 · derivative.exercise_price: These shares of the Issuer's Series A Preferred Stock will automatically convert on a 2.432-for-one basis into the number of shares of the Issuer's common stock shown in Column 7 immediately upon closing of the Issuer's initial public offering ("IPO") without payment of additional consideration. The Series A Preferred Stock has no expiration date.

F2 · kind: This transaction occurred prior to the Issuer's IPO and is being reported on Form 4 solely for purposes of compliance with Rule 16a-2(a) under the Securities Exchange Act of 1934, as amended. The securities covered by such transaction were previously included on the Reporting Person's Form 3.

F1 · derivative.exercise_date: These shares of the Issuer's Series A Preferred Stock will automatically convert on a 2.432-for-one basis into the number of shares of the Issuer's common stock shown in Column 7 immediately upon closing of the Issuer's initial public offering ("IPO") without payment of additional consideration. The Series A Preferred Stock has no expiration date.

F1 · derivative.expiration_date: These shares of the Issuer's Series A Preferred Stock will automatically convert on a 2.432-for-one basis into the number of shares of the Issuer's common stock shown in Column 7 immediately upon closing of the Issuer's initial public offering ("IPO") without payment of additional consideration. The Series A Preferred Stock has no expiration date.

F3 · ownership.nature: These shares are held by Versant Venture Capital VI, L.P. ("VVC VI"). Versant Ventures VI GP-GP, LLC ("VV VI GP") is the sole general partner of Versant Ventures VI GP, L.P. ("VV VI") and VV VI is the sole general partner of VVC VI. The Reporting Person, a member of the Issuer's board of directors, is a managing member of VV VI GP and may be deemed to share voting and dispositive power over the shares held by VVC VI. Each of VV VI GP, VV VI and the Reporting Person disclaims beneficial ownership of the shares held by VVC VI, except to the extent of their respective pecuniary interests therein.

SEC source: 0000899243-21-027011 · doc4.xml · derivative · entry 4

Lehrer-Graiwer Joshua · CIK 0001789673 · Director · PRESIDENT AND CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 374,013 shares

Expires 2031-01-12

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_price: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

F1 · kind: This transaction occurred prior to the Issuer's initial public offering ("IPO") and is being reported on Form 4 solely for purposes of compliance with Rule 16a-2(a) under the Securities Exchange Act of 1934, as amended. The securities covered by such transaction were previously included on the Reporting Person's Form 3.

F2 · shares: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

F4 · derivative.exercise_date: 25% of the shares subject to such option vest and become exercisable when the Reporting Person completes twelve months of continuous service after April 20, 2020, and the remainder of the shares vest and become exercisable in substantially equal monthly installments for a period of 36 months thereafter, subject to the Reporting Person's continuous service to the Issuer on each such date. The option provides for an early exercise provision of unvested shares, subject to the Issuer's right to repurchase.

F2 · derivative.underlying_shares: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

SEC source: 0000899243-21-027011 · doc4.xml · nonDerivative · entry 1

Lehrer-Graiwer Joshua · CIK 0001789673 · Director · PRESIDENT AND CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,153,544

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 · kind: This transaction occurred prior to the Issuer's initial public offering ("IPO") and is being reported on Form 4 solely for purposes of compliance with Rule 16a-2(a) under the Securities Exchange Act of 1934, as amended. The securities covered by such transaction were previously included on the Reporting Person's Form 3.

F2 · shares: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

F2 · price: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

F2 · balance_after: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

SEC source: 0000899243-21-027016 · doc4.xml · derivative · entry 5

Gutry Phil · CIK 0001653224 · CHIEF BUSINESS OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 91,406 shares

Expires 2031-01-12

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_price: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

F1 · kind: This transaction occurred prior to the Issuer's initial public offering ("IPO") and is being reported on Form 4 solely for purposes of compliance with Rule 16a-2(a) under the Securities Exchange Act of 1934, as amended. The securities covered by such transaction were previously included on the Reporting Person's Form 3.

F2 · shares: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

F4 · derivative.exercise_date: 25% of the shares subject to such option vest and become exercisable when the Reporting Person completes twelve months of continuous service after October 5, 2020, and the remainder of the shares vest and become exercisable in substantially equal monthly installments for a period of 36 months thereafter, subject to the Reporting Person's continuous service to the Issuer on each such date. The option provides for an early exercise provision of unvested shares, subject to the Issuer's right to repurchase.

F2 · derivative.underlying_shares: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

SEC source: 0000899243-21-027016 · doc4.xml · nonDerivative · entry 1

Gutry Phil · CIK 0001653224 · CHIEF BUSINESS OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 281,962

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 · kind: This transaction occurred prior to the Issuer's initial public offering ("IPO") and is being reported on Form 4 solely for purposes of compliance with Rule 16a-2(a) under the Securities Exchange Act of 1934, as amended. The securities covered by such transaction were previously included on the Reporting Person's Form 3.

F2 · shares: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

F2 · price: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

F2 · balance_after: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

SEC source: 0000899243-21-027013 · doc4.xml · derivative · entry 4

JIMENEZ JOSEPH · CIK 0001199095 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 49,876 shares

Expires 2031-01-12

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_price: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

F1 · kind: This transaction occurred prior to the Issuer's initial public offering ("IPO") and is being reported on Form 4 solely for purposes of compliance with Rule 16a-2(a) under the Securities Exchange Act of 1934, as amended. The securities covered by such transaction were previously included on the Reporting Person's Form 3.

F2 · shares: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

F3 · derivative.exercise_date: 1/48th of the shares subject to such option vest and become exercisable in substantially equal monthly installments on each monthly anniversary of June 24, 2020, subject to the Reporting Person's continuous service to the Issuer on each such date. The option provides for an early exercise provision of unvested shares, subject to the Issuer's right to repurchase.

F2 · derivative.underlying_shares: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

SEC source: 0000899243-21-027013 · doc4.xml · nonDerivative · entry 1

JIMENEZ JOSEPH · CIK 0001199095 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 153,815

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 · kind: This transaction occurred prior to the Issuer's initial public offering ("IPO") and is being reported on Form 4 solely for purposes of compliance with Rule 16a-2(a) under the Securities Exchange Act of 1934, as amended. The securities covered by such transaction were previously included on the Reporting Person's Form 3.

F2 · shares: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

F2 · price: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

F2 · balance_after: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

SEC source: 0000899243-21-027015 · doc4.xml · derivative · entry 2

Stultz Katherine V · CIK 0001864500 · CHIEF OPERATING OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 99,753

Underlying: Common Stock · 99,753 shares

Expires 2031-01-12

F2 · derivative.exercise_price: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

F3 · kind: This transaction occurred prior to the IPO and is being reported on Form 4 solely for purposes of compliance with Rule 16a-2(a) under the Securities Exchange Act of 1934, as amended. The securities covered by such transaction were previously included on the Reporting Person's Form 3.

F2 · shares: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

F4 · derivative.exercise_date: 25% of the shares subject to such option vest and become exercisable when the Reporting Person completes twelve months of continuous service after August 31, 2020, and the remainder of the shares vest and become exercisable in substantially equal monthly installments for a period of 36 months thereafter, subject to the Reporting Person's continuous service to the Issuer on each such date. The option provides for an early exercise provision of unvested shares, subject to the Issuer's right to repurchase.

F2 · derivative.underlying_shares: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

F2 · balance_after: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

SEC source: 0000899243-21-027016 · doc4.xml · derivative · entry 4

Gutry Phil · CIK 0001653224 · CHIEF BUSINESS OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,406

Underlying: Common Stock · 91,406 shares

Expires 2031-01-12

F2 · derivative.exercise_price: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

F1 · kind: This transaction occurred prior to the Issuer's initial public offering ("IPO") and is being reported on Form 4 solely for purposes of compliance with Rule 16a-2(a) under the Securities Exchange Act of 1934, as amended. The securities covered by such transaction were previously included on the Reporting Person's Form 3.

F2 · shares: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

F4 · derivative.exercise_date: 25% of the shares subject to such option vest and become exercisable when the Reporting Person completes twelve months of continuous service after October 5, 2020, and the remainder of the shares vest and become exercisable in substantially equal monthly installments for a period of 36 months thereafter, subject to the Reporting Person's continuous service to the Issuer on each such date. The option provides for an early exercise provision of unvested shares, subject to the Issuer's right to repurchase.

F2 · derivative.underlying_shares: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

F2 · balance_after: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

SEC source: 0000899243-21-027013 · doc4.xml · derivative · entry 3

JIMENEZ JOSEPH · CIK 0001199095 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,876

Underlying: Common Stock · 49,876 shares

Expires 2031-01-12

F2 · derivative.exercise_price: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

F1 · kind: This transaction occurred prior to the Issuer's initial public offering ("IPO") and is being reported on Form 4 solely for purposes of compliance with Rule 16a-2(a) under the Securities Exchange Act of 1934, as amended. The securities covered by such transaction were previously included on the Reporting Person's Form 3.

F2 · shares: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

F3 · derivative.exercise_date: 1/48th of the shares subject to such option vest and become exercisable in substantially equal monthly installments on each monthly anniversary of June 24, 2020, subject to the Reporting Person's continuous service to the Issuer on each such date. The option provides for an early exercise provision of unvested shares, subject to the Issuer's right to repurchase.

F2 · derivative.underlying_shares: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

F2 · balance_after: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

SEC source: 0000899243-21-027012 · doc4.xml · derivative · entry 2

KARSEN PERRY A · CIK 0001260573 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,794

Underlying: Common Stock · 74,794 shares

Expires 2031-01-12

F2 · derivative.exercise_price: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

F3 · kind: This transaction occurred prior to the IPO and is being reported on Form 4 solely for purposes of compliance with Rule 16a-2(a) under the Securities Exchange Act of 1934, as amended. The securities covered by such transaction were previously included on the Reporting Person's Form 3.

F2 · shares: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

F4 · derivative.exercise_date: 1/48th of the shares subject to such option vest and become exercisable in substantially equal monthly installments on each monthly anniversary of June 5, 2020, subject to the Reporting Person's continuous service to the Issuer on each such date. The option provides for an early exercise provision of unvested shares, subject to the Issuer's right to repurchase.

F2 · derivative.underlying_shares: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

F2 · balance_after: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

SEC source: 0000899243-21-027011 · doc4.xml · derivative · entry 3

Lehrer-Graiwer Joshua · CIK 0001789673 · Director · PRESIDENT AND CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 374,013

Underlying: Common Stock · 374,013 shares

Expires 2031-01-12

F2 · derivative.exercise_price: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

F1 · kind: This transaction occurred prior to the Issuer's initial public offering ("IPO") and is being reported on Form 4 solely for purposes of compliance with Rule 16a-2(a) under the Securities Exchange Act of 1934, as amended. The securities covered by such transaction were previously included on the Reporting Person's Form 3.

F2 · shares: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

F4 · derivative.exercise_date: 25% of the shares subject to such option vest and become exercisable when the Reporting Person completes twelve months of continuous service after April 20, 2020, and the remainder of the shares vest and become exercisable in substantially equal monthly installments for a period of 36 months thereafter, subject to the Reporting Person's continuous service to the Issuer on each such date. The option provides for an early exercise provision of unvested shares, subject to the Issuer's right to repurchase.

F2 · derivative.underlying_shares: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.

F2 · balance_after: On June 21, 2021, the Issuer completed a one-for-2.432 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split.