CTKB

SEC source: 0001209191-22-009460 · doc4.xml · nonDerivative · entry 1

Yan Ming · CIK 0001874041 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,115,086

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 6, 2021.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.26 to $15.26, 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: 0001209191-22-008158 · doc4.xml · nonDerivative · entry 2

Jiang Wenbin · CIK 0001872873 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,889,375

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 6, 2021.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.01 to $14.73, 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.

F3 · balance_after: Includes 66,665 shares received as a liquidation distribution from WYTJ LLC. In prior reports, the Reporting Person reported beneficial ownership of 2,666,600 shares of the Issuer's common stock held by WYTJ LLC.

SEC source: 0000899243-22-001259 · doc4.xml · derivative · entry 1

Imper Vera · CIK 0001902959 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,598

Underlying: Common Stock · 28,598 shares

Expires 2031-12-31

F1 · derivative.exercise_date: The shares subject to the option vest as follows: 1/36th of the shares subject to the option shall vest monthly over three years from December 31, 2021.

SEC source: 0001209191-22-009458 · doc5.xml · nonDerivative · entry 1

Yan Ming · CIK 0001874041 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,129,792

SEC source: 0001209191-22-008158 · doc4.xml · nonDerivative · entry 1

Jiang Wenbin · CIK 0001872873 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,842,710

SEC source: 0001104659-21-097601 · tm2123652-1_4.xml · derivative · entry 8

RA CAPITAL MANAGEMENT, L.P. · CIK 0001346824 · Director

RA Capital Healthcare Fund LP · CIK 0001315082 · Director

RA Capital Nexus Fund II, L.P. · CIK 0001825376 · Director

Kolchinsky Peter · CIK 0001384859 · Director

Shah Rajeev M. · CIK 0001619841 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 507,724 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: On July 27, 2021, each share of Series D Preferred Stock (the "Preferred Stock") converted into one share of Common Stock of the Issuer without payment of further consideration upon closing of the initial public offering of the Issuer's common stock. The shares had no expiration date.

F1 · derivative.exercise_date: On July 27, 2021, each share of Series D Preferred Stock (the "Preferred Stock") converted into one share of Common Stock of the Issuer without payment of further consideration upon closing of the initial public offering of the Issuer's common stock. The shares had no expiration date.

F1 · derivative.expiration_date: On July 27, 2021, each share of Series D Preferred Stock (the "Preferred Stock") converted into one share of Common Stock of the Issuer without payment of further consideration upon closing of the initial public offering of the Issuer's common stock. The shares had no expiration date.

F4 · derivative.underlying_shares: These securities are held directly by a separately managed account (the "Account").

F4 · ownership.nature: These securities are held directly by a separately managed account (the "Account").

F5 · ownership.nature: RA Capital Management, L.P. (the "Adviser") is the investment manager for the Fund, the Nexus Fund II and the Account. The general partner of the Adviser is RA Capital Management GP, LLC (the "Adviser GP"), of which Dr. Peter Kolchinsky and Mr. Rajeev Shah are the managing members. The Adviser, the Adviser GP, Dr. Kolchinsky and Mr. Shah disclaim beneficial ownership of any of the reported securities, except to the extent of their pecuniary interest therein.

SEC source: 0001104659-21-097601 · tm2123652-1_4.xml · derivative · entry 7

RA CAPITAL MANAGEMENT, L.P. · CIK 0001346824 · Director

RA Capital Healthcare Fund LP · CIK 0001315082 · Director

RA Capital Nexus Fund II, L.P. · CIK 0001825376 · Director

Kolchinsky Peter · CIK 0001384859 · Director

Shah Rajeev M. · CIK 0001619841 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 998,553 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: On July 27, 2021, each share of Series D Preferred Stock (the "Preferred Stock") converted into one share of Common Stock of the Issuer without payment of further consideration upon closing of the initial public offering of the Issuer's common stock. The shares had no expiration date.

F1 · derivative.exercise_date: On July 27, 2021, each share of Series D Preferred Stock (the "Preferred Stock") converted into one share of Common Stock of the Issuer without payment of further consideration upon closing of the initial public offering of the Issuer's common stock. The shares had no expiration date.

F1 · derivative.expiration_date: On July 27, 2021, each share of Series D Preferred Stock (the "Preferred Stock") converted into one share of Common Stock of the Issuer without payment of further consideration upon closing of the initial public offering of the Issuer's common stock. The shares had no expiration date.

F3 · derivative.underlying_shares: These securities are held directly by RA Capital Nexus Fund II, L.P. (the "Nexus Fund II").

F3 · ownership.nature: These securities are held directly by RA Capital Nexus Fund II, L.P. (the "Nexus Fund II").

F5 · ownership.nature: RA Capital Management, L.P. (the "Adviser") is the investment manager for the Fund, the Nexus Fund II and the Account. The general partner of the Adviser is RA Capital Management GP, LLC (the "Adviser GP"), of which Dr. Peter Kolchinsky and Mr. Rajeev Shah are the managing members. The Adviser, the Adviser GP, Dr. Kolchinsky and Mr. Shah disclaim beneficial ownership of any of the reported securities, except to the extent of their pecuniary interest therein.

SEC source: 0001104659-21-097601 · tm2123652-1_4.xml · derivative · entry 6

RA CAPITAL MANAGEMENT, L.P. · CIK 0001346824 · Director

RA Capital Healthcare Fund LP · CIK 0001315082 · Director

RA Capital Nexus Fund II, L.P. · CIK 0001825376 · Director

Kolchinsky Peter · CIK 0001384859 · Director

Shah Rajeev M. · CIK 0001619841 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 5,150,751 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: On July 27, 2021, each share of Series D Preferred Stock (the "Preferred Stock") converted into one share of Common Stock of the Issuer without payment of further consideration upon closing of the initial public offering of the Issuer's common stock. The shares had no expiration date.

F1 · derivative.exercise_date: On July 27, 2021, each share of Series D Preferred Stock (the "Preferred Stock") converted into one share of Common Stock of the Issuer without payment of further consideration upon closing of the initial public offering of the Issuer's common stock. The shares had no expiration date.

F1 · derivative.expiration_date: On July 27, 2021, each share of Series D Preferred Stock (the "Preferred Stock") converted into one share of Common Stock of the Issuer without payment of further consideration upon closing of the initial public offering of the Issuer's common stock. The shares had no expiration date.

F2 · derivative.underlying_shares: These securities are held directly by RA Capital Healthcare Fund, L.P. (the "Fund").

F2 · ownership.nature: These securities are held directly by RA Capital Healthcare Fund, L.P. (the "Fund").

F5 · ownership.nature: RA Capital Management, L.P. (the "Adviser") is the investment manager for the Fund, the Nexus Fund II and the Account. The general partner of the Adviser is RA Capital Management GP, LLC (the "Adviser GP"), of which Dr. Peter Kolchinsky and Mr. Rajeev Shah are the managing members. The Adviser, the Adviser GP, Dr. Kolchinsky and Mr. Shah disclaim beneficial ownership of any of the reported securities, except to the extent of their pecuniary interest therein.

SEC source: 0001104659-21-097601 · tm2123652-1_4.xml · nonDerivative · entry 5

RA CAPITAL MANAGEMENT, L.P. · CIK 0001346824 · Director

RA Capital Healthcare Fund LP · CIK 0001315082 · Director

RA Capital Nexus Fund II, L.P. · CIK 0001825376 · Director

Kolchinsky Peter · CIK 0001384859 · Director

Shah Rajeev M. · CIK 0001619841 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 507,724

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: On July 27, 2021, each share of Series D Preferred Stock (the "Preferred Stock") converted into one share of Common Stock of the Issuer without payment of further consideration upon closing of the initial public offering of the Issuer's common stock. The shares had no expiration date.

F4 · balance_after: These securities are held directly by a separately managed account (the "Account").

F4 · ownership.nature: These securities are held directly by a separately managed account (the "Account").

F5 · ownership.nature: RA Capital Management, L.P. (the "Adviser") is the investment manager for the Fund, the Nexus Fund II and the Account. The general partner of the Adviser is RA Capital Management GP, LLC (the "Adviser GP"), of which Dr. Peter Kolchinsky and Mr. Rajeev Shah are the managing members. The Adviser, the Adviser GP, Dr. Kolchinsky and Mr. Shah disclaim beneficial ownership of any of the reported securities, except to the extent of their pecuniary interest therein.

SEC source: 0001104659-21-097601 · tm2123652-1_4.xml · nonDerivative · entry 4

RA CAPITAL MANAGEMENT, L.P. · CIK 0001346824 · Director

RA Capital Healthcare Fund LP · CIK 0001315082 · Director

RA Capital Nexus Fund II, L.P. · CIK 0001825376 · Director

Kolchinsky Peter · CIK 0001384859 · Director

Shah Rajeev M. · CIK 0001619841 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 1,185,767

F3 · balance_after: These securities are held directly by RA Capital Nexus Fund II, L.P. (the "Nexus Fund II").

F3 · ownership.nature: These securities are held directly by RA Capital Nexus Fund II, L.P. (the "Nexus Fund II").

F5 · ownership.nature: RA Capital Management, L.P. (the "Adviser") is the investment manager for the Fund, the Nexus Fund II and the Account. The general partner of the Adviser is RA Capital Management GP, LLC (the "Adviser GP"), of which Dr. Peter Kolchinsky and Mr. Rajeev Shah are the managing members. The Adviser, the Adviser GP, Dr. Kolchinsky and Mr. Shah disclaim beneficial ownership of any of the reported securities, except to the extent of their pecuniary interest therein.

SEC source: 0001104659-21-097601 · tm2123652-1_4.xml · nonDerivative · entry 3

RA CAPITAL MANAGEMENT, L.P. · CIK 0001346824 · Director

RA Capital Healthcare Fund LP · CIK 0001315082 · Director

RA Capital Nexus Fund II, L.P. · CIK 0001825376 · Director

Kolchinsky Peter · CIK 0001384859 · Director

Shah Rajeev M. · CIK 0001619841 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 998,553

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: On July 27, 2021, each share of Series D Preferred Stock (the "Preferred Stock") converted into one share of Common Stock of the Issuer without payment of further consideration upon closing of the initial public offering of the Issuer's common stock. The shares had no expiration date.

F3 · balance_after: These securities are held directly by RA Capital Nexus Fund II, L.P. (the "Nexus Fund II").

F3 · ownership.nature: These securities are held directly by RA Capital Nexus Fund II, L.P. (the "Nexus Fund II").

F5 · ownership.nature: RA Capital Management, L.P. (the "Adviser") is the investment manager for the Fund, the Nexus Fund II and the Account. The general partner of the Adviser is RA Capital Management GP, LLC (the "Adviser GP"), of which Dr. Peter Kolchinsky and Mr. Rajeev Shah are the managing members. The Adviser, the Adviser GP, Dr. Kolchinsky and Mr. Shah disclaim beneficial ownership of any of the reported securities, except to the extent of their pecuniary interest therein.

SEC source: 0001104659-21-097601 · tm2123652-1_4.xml · nonDerivative · entry 2

RA CAPITAL MANAGEMENT, L.P. · CIK 0001346824 · Director

RA Capital Healthcare Fund LP · CIK 0001315082 · Director

RA Capital Nexus Fund II, L.P. · CIK 0001825376 · Director

Kolchinsky Peter · CIK 0001384859 · Director

Shah Rajeev M. · CIK 0001619841 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 7,913,537

F2 · balance_after: These securities are held directly by RA Capital Healthcare Fund, L.P. (the "Fund").

F2 · ownership.nature: These securities are held directly by RA Capital Healthcare Fund, L.P. (the "Fund").

F5 · ownership.nature: RA Capital Management, L.P. (the "Adviser") is the investment manager for the Fund, the Nexus Fund II and the Account. The general partner of the Adviser is RA Capital Management GP, LLC (the "Adviser GP"), of which Dr. Peter Kolchinsky and Mr. Rajeev Shah are the managing members. The Adviser, the Adviser GP, Dr. Kolchinsky and Mr. Shah disclaim beneficial ownership of any of the reported securities, except to the extent of their pecuniary interest therein.

SEC source: 0001104659-21-097601 · tm2123652-1_4.xml · nonDerivative · entry 1

RA CAPITAL MANAGEMENT, L.P. · CIK 0001346824 · Director

RA Capital Healthcare Fund LP · CIK 0001315082 · Director

RA Capital Nexus Fund II, L.P. · CIK 0001825376 · Director

Kolchinsky Peter · CIK 0001384859 · Director

Shah Rajeev M. · CIK 0001619841 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 5,150,751

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: On July 27, 2021, each share of Series D Preferred Stock (the "Preferred Stock") converted into one share of Common Stock of the Issuer without payment of further consideration upon closing of the initial public offering of the Issuer's common stock. The shares had no expiration date.

F2 · balance_after: These securities are held directly by RA Capital Healthcare Fund, L.P. (the "Fund").

F2 · ownership.nature: These securities are held directly by RA Capital Healthcare Fund, L.P. (the "Fund").

F5 · ownership.nature: RA Capital Management, L.P. (the "Adviser") is the investment manager for the Fund, the Nexus Fund II and the Account. The general partner of the Adviser is RA Capital Management GP, LLC (the "Adviser GP"), of which Dr. Peter Kolchinsky and Mr. Rajeev Shah are the managing members. The Adviser, the Adviser GP, Dr. Kolchinsky and Mr. Shah disclaim beneficial ownership of any of the reported securities, except to the extent of their pecuniary interest therein.

SEC source: 0001209191-21-048267 · doc4.xml · derivative · entry 1

Poirson Allen · CIK 0001874301 · SVP Marketing and Corp. Dev.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,000

Underlying: Common Stock · 75,000 shares

Expires 2031-07-22

F1 · derivative.exercise_date: The shares subject to the option vest as follows: 25% of the shares subject to the option vests on July 22, 2022; and 1/48th of the shares subject to the option vest monthly thereafter over the following three years.

SEC source: 0001209191-21-048270 · doc4.xml · derivative · entry 1

Yan Ming · CIK 0001874041 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 125,000

Underlying: Common Stock · 125,000 shares

Expires 2031-07-22

F1 · derivative.exercise_date: The shares subject to the option vest as follows: 25% of the shares subject to the option vests on July 22, 2022; and 1/48th of the shares subject to the option vest monthly thereafter over the following three years.

SEC source: 0001209191-21-048269 · doc4.xml · derivative · entry 1

Barnett Valerie · CIK 0001873091 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,000

Underlying: Common Stock · 75,000 shares

Expires 2031-07-22

F1 · derivative.exercise_date: The shares subject to the option vest as follows: 25% of the shares subject to the option vests on July 22, 2022; and 1/48th of the shares subject to the option vest monthly thereafter over the following three years.

SEC source: 0001209191-21-048268 · doc4.xml · derivative · entry 1

Jeanmonod Patrik · CIK 0001873085 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 125,000

Underlying: Common Stock · 125,000 shares

Expires 2031-07-22

F1 · derivative.exercise_date: The shares subject to the option vest as follows: 25% of the shares subject to the option vests on July 22, 2022; and 1/48th of the shares subject to the option vest monthly thereafter over the following three years.

SEC source: 0001209191-21-048266 · doc4.xml · derivative · entry 1

Jiang Wenbin · CIK 0001872873 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 250,000

Underlying: Common Stock · 250,000 shares

Expires 2031-07-22

F1 · derivative.exercise_date: The shares subject to the option vest as follows: 25% of the shares subject to the option vests on July 22, 2022; and 1/48th of the shares subject to the option vest monthly thereafter over the following three years.

SEC source: 0001209191-21-048385 · doc4.xml · derivative · entry 6

DENG FENG · CIK 0001165399 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 443,800 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 Preferred Stock automatically converted on a one-for-one basis into Common Stock upon the closing of the Issuer's initial public offering (the "IPO"), for no additional consideration. The shares of Preferred Stock have no expiration date.

F1 · derivative.exercise_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Common Stock upon the closing of the Issuer's initial public offering (the "IPO"), for no additional consideration. The shares of Preferred Stock have no expiration date.

F1 · derivative.expiration_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Common Stock upon the closing of the Issuer's initial public offering (the "IPO"), for no additional consideration. The shares of Preferred Stock have no expiration date.

F2 · ownership.nature: Shares held directly by Northern Light Venture Capital V, Ltd. ("NLVC V"). Fund V serves as the nominee for each of Northern Light Venture Fund V, L.P., Northern Light Strategic Fund V, L.P. and Northern Light Partners Fund V, L.P (together, the "NLVC V Funds"). Northern Light Partners V, L.P., a Cayman Islands exempted limited liability partnership, is the general partner of the NLVC V Funds. NLVC V is the general partner of Northern Light Partners V, L.P. Feng Deng is the controlling shareholder of NLVC V and may be deemed to have voting and dispositive power with respect to the shares held by NLVC V.

SEC source: 0001209191-21-048385 · doc4.xml · derivative · entry 5

DENG FENG · CIK 0001165399 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 4,168,777 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 Preferred Stock automatically converted on a one-for-one basis into Common Stock upon the closing of the Issuer's initial public offering (the "IPO"), for no additional consideration. The shares of Preferred Stock have no expiration date.

F1 · derivative.exercise_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Common Stock upon the closing of the Issuer's initial public offering (the "IPO"), for no additional consideration. The shares of Preferred Stock have no expiration date.

F1 · derivative.expiration_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Common Stock upon the closing of the Issuer's initial public offering (the "IPO"), for no additional consideration. The shares of Preferred Stock have no expiration date.

F2 · ownership.nature: Shares held directly by Northern Light Venture Capital V, Ltd. ("NLVC V"). Fund V serves as the nominee for each of Northern Light Venture Fund V, L.P., Northern Light Strategic Fund V, L.P. and Northern Light Partners Fund V, L.P (together, the "NLVC V Funds"). Northern Light Partners V, L.P., a Cayman Islands exempted limited liability partnership, is the general partner of the NLVC V Funds. NLVC V is the general partner of Northern Light Partners V, L.P. Feng Deng is the controlling shareholder of NLVC V and may be deemed to have voting and dispositive power with respect to the shares held by NLVC V.

SEC source: 0001209191-21-048385 · doc4.xml · derivative · entry 4

DENG FENG · CIK 0001165399 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 147,933 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 Preferred Stock automatically converted on a one-for-one basis into Common Stock upon the closing of the Issuer's initial public offering (the "IPO"), for no additional consideration. The shares of Preferred Stock have no expiration date.

F1 · derivative.exercise_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Common Stock upon the closing of the Issuer's initial public offering (the "IPO"), for no additional consideration. The shares of Preferred Stock have no expiration date.

F1 · derivative.expiration_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Common Stock upon the closing of the Issuer's initial public offering (the "IPO"), for no additional consideration. The shares of Preferred Stock have no expiration date.

F2 · ownership.nature: Shares held directly by Northern Light Venture Capital V, Ltd. ("NLVC V"). Fund V serves as the nominee for each of Northern Light Venture Fund V, L.P., Northern Light Strategic Fund V, L.P. and Northern Light Partners Fund V, L.P (together, the "NLVC V Funds"). Northern Light Partners V, L.P., a Cayman Islands exempted limited liability partnership, is the general partner of the NLVC V Funds. NLVC V is the general partner of Northern Light Partners V, L.P. Feng Deng is the controlling shareholder of NLVC V and may be deemed to have voting and dispositive power with respect to the shares held by NLVC V.

SEC source: 0001209191-21-048385 · doc4.xml · nonDerivative · entry 3

DENG FENG · CIK 0001165399 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 443,800

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 Preferred Stock automatically converted on a one-for-one basis into Common Stock upon the closing of the Issuer's initial public offering (the "IPO"), for no additional consideration. The shares of Preferred Stock have no expiration date.

F2 · balance_after: Shares held directly by Northern Light Venture Capital V, Ltd. ("NLVC V"). Fund V serves as the nominee for each of Northern Light Venture Fund V, L.P., Northern Light Strategic Fund V, L.P. and Northern Light Partners Fund V, L.P (together, the "NLVC V Funds"). Northern Light Partners V, L.P., a Cayman Islands exempted limited liability partnership, is the general partner of the NLVC V Funds. NLVC V is the general partner of Northern Light Partners V, L.P. Feng Deng is the controlling shareholder of NLVC V and may be deemed to have voting and dispositive power with respect to the shares held by NLVC V.

F2 · ownership.nature: Shares held directly by Northern Light Venture Capital V, Ltd. ("NLVC V"). Fund V serves as the nominee for each of Northern Light Venture Fund V, L.P., Northern Light Strategic Fund V, L.P. and Northern Light Partners Fund V, L.P (together, the "NLVC V Funds"). Northern Light Partners V, L.P., a Cayman Islands exempted limited liability partnership, is the general partner of the NLVC V Funds. NLVC V is the general partner of Northern Light Partners V, L.P. Feng Deng is the controlling shareholder of NLVC V and may be deemed to have voting and dispositive power with respect to the shares held by NLVC V.

SEC source: 0001209191-21-048385 · doc4.xml · nonDerivative · entry 2

DENG FENG · CIK 0001165399 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 4,168,777

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 Preferred Stock automatically converted on a one-for-one basis into Common Stock upon the closing of the Issuer's initial public offering (the "IPO"), for no additional consideration. The shares of Preferred Stock have no expiration date.

F2 · balance_after: Shares held directly by Northern Light Venture Capital V, Ltd. ("NLVC V"). Fund V serves as the nominee for each of Northern Light Venture Fund V, L.P., Northern Light Strategic Fund V, L.P. and Northern Light Partners Fund V, L.P (together, the "NLVC V Funds"). Northern Light Partners V, L.P., a Cayman Islands exempted limited liability partnership, is the general partner of the NLVC V Funds. NLVC V is the general partner of Northern Light Partners V, L.P. Feng Deng is the controlling shareholder of NLVC V and may be deemed to have voting and dispositive power with respect to the shares held by NLVC V.

F2 · ownership.nature: Shares held directly by Northern Light Venture Capital V, Ltd. ("NLVC V"). Fund V serves as the nominee for each of Northern Light Venture Fund V, L.P., Northern Light Strategic Fund V, L.P. and Northern Light Partners Fund V, L.P (together, the "NLVC V Funds"). Northern Light Partners V, L.P., a Cayman Islands exempted limited liability partnership, is the general partner of the NLVC V Funds. NLVC V is the general partner of Northern Light Partners V, L.P. Feng Deng is the controlling shareholder of NLVC V and may be deemed to have voting and dispositive power with respect to the shares held by NLVC V.

SEC source: 0001209191-21-048385 · doc4.xml · nonDerivative · entry 1

DENG FENG · CIK 0001165399 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 147,933

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 Preferred Stock automatically converted on a one-for-one basis into Common Stock upon the closing of the Issuer's initial public offering (the "IPO"), for no additional consideration. The shares of Preferred Stock have no expiration date.

F2 · balance_after: Shares held directly by Northern Light Venture Capital V, Ltd. ("NLVC V"). Fund V serves as the nominee for each of Northern Light Venture Fund V, L.P., Northern Light Strategic Fund V, L.P. and Northern Light Partners Fund V, L.P (together, the "NLVC V Funds"). Northern Light Partners V, L.P., a Cayman Islands exempted limited liability partnership, is the general partner of the NLVC V Funds. NLVC V is the general partner of Northern Light Partners V, L.P. Feng Deng is the controlling shareholder of NLVC V and may be deemed to have voting and dispositive power with respect to the shares held by NLVC V.

F2 · ownership.nature: Shares held directly by Northern Light Venture Capital V, Ltd. ("NLVC V"). Fund V serves as the nominee for each of Northern Light Venture Fund V, L.P., Northern Light Strategic Fund V, L.P. and Northern Light Partners Fund V, L.P (together, the "NLVC V Funds"). Northern Light Partners V, L.P., a Cayman Islands exempted limited liability partnership, is the general partner of the NLVC V Funds. NLVC V is the general partner of Northern Light Partners V, L.P. Feng Deng is the controlling shareholder of NLVC V and may be deemed to have voting and dispositive power with respect to the shares held by NLVC V.

SEC source: 0001209191-21-048386 · doc4.xml · nonDerivative · entry 1

Poirson Allen · CIK 0001874301 · SVP Marketing and Corp. Dev.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,383

F1 · shares: Reflects shares purchased from the underwriters in the Company's initial public offering.

SEC source: 0001209191-21-048389 · doc4.xml · nonDerivative · entry 1

Barnett Valerie · CIK 0001873091 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,900

F1 · shares: Reflects shares purchased from the underwriters in the Company's initial public offering.

SEC source: 0001209191-21-048388 · doc4.xml · nonDerivative · entry 1

Ball Jack · CIK 0001873083 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,000

F1 · shares: Reflects shares purchased from the underwriters in the Company's initial public offering.

SEC source: 0001209191-21-048387 · doc4.xml · nonDerivative · entry 1

Dion Gisele · CIK 0001873088 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,000

F1 · shares: Reflects shares purchased from the underwriters in the Company's initial public offering.

SEC source: 0001209191-21-048384 · doc4.xml · derivative · entry 2

Jiang Wenbin · CIK 0001872873 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 2,666,600 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 Preferred Stock automatically converted on a one-for-one basis into Common Stock upon the closing of the Issuer's initial public offering (the "IPO"), for no additional consideration. The shares of Preferred Stock have no expiration date.

F1 · derivative.exercise_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Common Stock upon the closing of the Issuer's initial public offering (the "IPO"), for no additional consideration. The shares of Preferred Stock have no expiration date.

F1 · derivative.expiration_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Common Stock upon the closing of the Issuer's initial public offering (the "IPO"), for no additional consideration. The shares of Preferred Stock have no expiration date.

F2 · ownership.nature: These securities are held by WYTJ LLC for which the Reporting Person is a Manager. The Reporting Person disclaims beneficial ownership of the shares held by WYTJ LLC except to the extent of his pecuniary interest therein, if any.

SEC source: 0001209191-21-048384 · doc4.xml · nonDerivative · entry 1

Jiang Wenbin · CIK 0001872873 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,666,600

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 Preferred Stock automatically converted on a one-for-one basis into Common Stock upon the closing of the Issuer's initial public offering (the "IPO"), for no additional consideration. The shares of Preferred Stock have no expiration date.

F2 · balance_after: These securities are held by WYTJ LLC for which the Reporting Person is a Manager. The Reporting Person disclaims beneficial ownership of the shares held by WYTJ LLC except to the extent of his pecuniary interest therein, if any.

F2 · ownership.nature: These securities are held by WYTJ LLC for which the Reporting Person is a Manager. The Reporting Person disclaims beneficial ownership of the shares held by WYTJ LLC except to the extent of his pecuniary interest therein, if any.