NOVA DANIEL J

SEC source: 0001628280-21-006425 · wf-form4_161731619413745.xml · derivative · entry 13

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 798,840 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.

F6 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F6 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F6 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F3 · ownership.nature: These shares are held of record by Highland Capital Partners VIII Limited Partnership ("Highland Capital VIII"). Highland Management Partners VIII Limited ("HMP VIII Ltd") is the general partner of Highland Management Partners VIII Limited Partnership ("HMP VIII LP") which is the general partner of Highland Capital VIII. Robert J. Davis, Paul A. Maeder, Corey M. Mulloy and the Reporting Person, a member of the Issuer's board of directors (collectively, the "HMP VIII Ltd Directors"), are the directors of HMP VIII Ltd. Each of HMP VIII LP, HMP VIII Ltd and the HMP VIII Ltd Directors may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VIII and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VIII Ltd, HMP VIII LP and the HMP VIII Ltd Directors disclaims beneficial ownership over the shares held by Highland Capital VIII to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006425 · wf-form4_161731619413745.xml · derivative · entry 12

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 1,067,906 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.

F6 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F6 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F6 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F5 · ownership.nature: These shares are held of record by Highland Capital Partners VIII-C Limited Partnership ("Highland Capital VIII-C"). HMP VIII Ltd is the general partner of HMP VIII LP which is the general partner of Highland Capital VIII-C. The HMP VIII Ltd Directors are the directors of HMP VIII Ltd. Each of HMP VIII LP, HMP VIII Ltd and the HMP VIII Ltd Directors may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VIII-C and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VIII Ltd, HMP VIII LP and the HMP VIII Ltd Directors disclaims beneficial ownership over the shares held by Highland Capital VIII-C to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006425 · wf-form4_161731619413745.xml · derivative · entry 11

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 45,659 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.

F6 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F6 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F6 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F4 · ownership.nature: These shares are held of record by Highland Capital Partners VIII-B Limited Partnership ("Highland Capital VIII-B"). HMP VIII Ltd is the general partner of HMP VIII LP which is the general partner of Highland Capital VIII-B. The HMP VIII Ltd Directors are the directors of HMP VIII Ltd. Each of HMP VIII LP, HMP VIII Ltd and the HMP VIII Ltd Directors may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VIII-B and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VIII Ltd, HMP VIII LP and the HMP VIII Ltd Directors disclaims beneficial ownership over the shares held by Highland Capital VIII-B to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006425 · wf-form4_161731619413745.xml · derivative · entry 10

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 2,944,984 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.

F6 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F6 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F6 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F3 · ownership.nature: These shares are held of record by Highland Capital Partners VIII Limited Partnership ("Highland Capital VIII"). Highland Management Partners VIII Limited ("HMP VIII Ltd") is the general partner of Highland Management Partners VIII Limited Partnership ("HMP VIII LP") which is the general partner of Highland Capital VIII. Robert J. Davis, Paul A. Maeder, Corey M. Mulloy and the Reporting Person, a member of the Issuer's board of directors (collectively, the "HMP VIII Ltd Directors"), are the directors of HMP VIII Ltd. Each of HMP VIII LP, HMP VIII Ltd and the HMP VIII Ltd Directors may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VIII and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VIII Ltd, HMP VIII LP and the HMP VIII Ltd Directors disclaims beneficial ownership over the shares held by Highland Capital VIII to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006425 · wf-form4_161731619413745.xml · derivative · entry 9

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 57,460 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.

F6 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F6 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F6 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F5 · ownership.nature: These shares are held of record by Highland Capital Partners VIII-C Limited Partnership ("Highland Capital VIII-C"). HMP VIII Ltd is the general partner of HMP VIII LP which is the general partner of Highland Capital VIII-C. The HMP VIII Ltd Directors are the directors of HMP VIII Ltd. Each of HMP VIII LP, HMP VIII Ltd and the HMP VIII Ltd Directors may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VIII-C and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VIII Ltd, HMP VIII LP and the HMP VIII Ltd Directors disclaims beneficial ownership over the shares held by Highland Capital VIII-C to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006425 · wf-form4_161731619413745.xml · derivative · entry 8

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 2,457 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.

F6 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F6 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F6 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F4 · ownership.nature: These shares are held of record by Highland Capital Partners VIII-B Limited Partnership ("Highland Capital VIII-B"). HMP VIII Ltd is the general partner of HMP VIII LP which is the general partner of Highland Capital VIII-B. The HMP VIII Ltd Directors are the directors of HMP VIII Ltd. Each of HMP VIII LP, HMP VIII Ltd and the HMP VIII Ltd Directors may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VIII-B and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VIII Ltd, HMP VIII LP and the HMP VIII Ltd Directors disclaims beneficial ownership over the shares held by Highland Capital VIII-B to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006425 · wf-form4_161731619413745.xml · derivative · entry 7

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 158,457 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.

F6 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F6 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F6 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F3 · ownership.nature: These shares are held of record by Highland Capital Partners VIII Limited Partnership ("Highland Capital VIII"). Highland Management Partners VIII Limited ("HMP VIII Ltd") is the general partner of Highland Management Partners VIII Limited Partnership ("HMP VIII LP") which is the general partner of Highland Capital VIII. Robert J. Davis, Paul A. Maeder, Corey M. Mulloy and the Reporting Person, a member of the Issuer's board of directors (collectively, the "HMP VIII Ltd Directors"), are the directors of HMP VIII Ltd. Each of HMP VIII LP, HMP VIII Ltd and the HMP VIII Ltd Directors may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VIII and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VIII Ltd, HMP VIII LP and the HMP VIII Ltd Directors disclaims beneficial ownership over the shares held by Highland Capital VIII to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006425 · wf-form4_161731619413745.xml · derivative · entry 6

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 87,703 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.

F6 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F6 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F6 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F5 · ownership.nature: These shares are held of record by Highland Capital Partners VIII-C Limited Partnership ("Highland Capital VIII-C"). HMP VIII Ltd is the general partner of HMP VIII LP which is the general partner of Highland Capital VIII-C. The HMP VIII Ltd Directors are the directors of HMP VIII Ltd. Each of HMP VIII LP, HMP VIII Ltd and the HMP VIII Ltd Directors may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VIII-C and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VIII Ltd, HMP VIII LP and the HMP VIII Ltd Directors disclaims beneficial ownership over the shares held by Highland Capital VIII-C to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006425 · wf-form4_161731619413745.xml · derivative · entry 5

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 3,750 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.

F6 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F6 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F6 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F4 · ownership.nature: These shares are held of record by Highland Capital Partners VIII-B Limited Partnership ("Highland Capital VIII-B"). HMP VIII Ltd is the general partner of HMP VIII LP which is the general partner of Highland Capital VIII-B. The HMP VIII Ltd Directors are the directors of HMP VIII Ltd. Each of HMP VIII LP, HMP VIII Ltd and the HMP VIII Ltd Directors may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VIII-B and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VIII Ltd, HMP VIII LP and the HMP VIII Ltd Directors disclaims beneficial ownership over the shares held by Highland Capital VIII-B to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006425 · wf-form4_161731619413745.xml · derivative · entry 4

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 241,861 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.

F6 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F6 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F6 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F3 · ownership.nature: These shares are held of record by Highland Capital Partners VIII Limited Partnership ("Highland Capital VIII"). Highland Management Partners VIII Limited ("HMP VIII Ltd") is the general partner of Highland Management Partners VIII Limited Partnership ("HMP VIII LP") which is the general partner of Highland Capital VIII. Robert J. Davis, Paul A. Maeder, Corey M. Mulloy and the Reporting Person, a member of the Issuer's board of directors (collectively, the "HMP VIII Ltd Directors"), are the directors of HMP VIII Ltd. Each of HMP VIII LP, HMP VIII Ltd and the HMP VIII Ltd Directors may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VIII and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VIII Ltd, HMP VIII LP and the HMP VIII Ltd Directors disclaims beneficial ownership over the shares held by Highland Capital VIII to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006425 · wf-form4_161731619413745.xml · nonDerivative · entry 3

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F2 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F5 · ownership.nature: These shares are held of record by Highland Capital Partners VIII-C Limited Partnership ("Highland Capital VIII-C"). HMP VIII Ltd is the general partner of HMP VIII LP which is the general partner of Highland Capital VIII-C. The HMP VIII Ltd Directors are the directors of HMP VIII Ltd. Each of HMP VIII LP, HMP VIII Ltd and the HMP VIII Ltd Directors may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VIII-C and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VIII Ltd, HMP VIII LP and the HMP VIII Ltd Directors disclaims beneficial ownership over the shares held by Highland Capital VIII-C to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006425 · wf-form4_161731619413745.xml · nonDerivative · entry 2

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F2 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F4 · ownership.nature: These shares are held of record by Highland Capital Partners VIII-B Limited Partnership ("Highland Capital VIII-B"). HMP VIII Ltd is the general partner of HMP VIII LP which is the general partner of Highland Capital VIII-B. The HMP VIII Ltd Directors are the directors of HMP VIII Ltd. Each of HMP VIII LP, HMP VIII Ltd and the HMP VIII Ltd Directors may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VIII-B and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VIII Ltd, HMP VIII LP and the HMP VIII Ltd Directors disclaims beneficial ownership over the shares held by Highland Capital VIII-B to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006425 · wf-form4_161731619413745.xml · nonDerivative · entry 1

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F2 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F3 · ownership.nature: These shares are held of record by Highland Capital Partners VIII Limited Partnership ("Highland Capital VIII"). Highland Management Partners VIII Limited ("HMP VIII Ltd") is the general partner of Highland Management Partners VIII Limited Partnership ("HMP VIII LP") which is the general partner of Highland Capital VIII. Robert J. Davis, Paul A. Maeder, Corey M. Mulloy and the Reporting Person, a member of the Issuer's board of directors (collectively, the "HMP VIII Ltd Directors"), are the directors of HMP VIII Ltd. Each of HMP VIII LP, HMP VIII Ltd and the HMP VIII Ltd Directors may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VIII and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VIII Ltd, HMP VIII LP and the HMP VIII Ltd Directors disclaims beneficial ownership over the shares held by Highland Capital VIII to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · derivative · entry 32

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 882 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.

F7 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F6 · ownership.nature: These shares are held of record by Highland Entrepreneurs' Fund VII Limited Partnership ("Highland Entrepreneurs' Fund"). HMP VII LLC is the general partner of HMP VII LP which is the general partner of Highland Entrepreneurs' Fund. The Managing Members are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Entrepreneurs' Fund and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Entrepreneurs' Fund to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · derivative · entry 31

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 9,928 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.

F7 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F5 · ownership.nature: These shares are held of record by Highland Capital Partners VII-C Limited Partnership ("Highland Capital VII-C"). HMP VII LLC is the general partner of HMP VII LP which is the general partner of Highland Capital VII-C. The Managing Members are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VII-C and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Capital VII-C to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · derivative · entry 30

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 6,817 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.

F7 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F4 · ownership.nature: These shares are held of record by Highland Capital Partners VII-B Limited Partnership ("Highland Capital VII-B"). HMP VII LLC is the general partner of HMP VII LP which is the general partner of Highland Capital VII-B. The Managing Members are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VII-B and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Capital VII-B to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · derivative · entry 29

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 28,132 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.

F7 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F3 · ownership.nature: These shares are held of record by Highland Capital Partners VII Limited Partnership ("Highland Capital VII"). Highland Management Partners VII, LLC ("HMP VII LLC") is the general partner of Highland Management Partners VII Limited Partnership ("HMP VII LP") which is the general partner of Highland Capital VII. Robert J. Davis, Paul A. Maeder, Corey M. Mulloy and the Reporting Person, a member of the Issuer's board of directors (collectively, the "Managing Members"), are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VII and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Capital VII to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · derivative · entry 28

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 3,771 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.

F7 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F6 · ownership.nature: These shares are held of record by Highland Entrepreneurs' Fund VII Limited Partnership ("Highland Entrepreneurs' Fund"). HMP VII LLC is the general partner of HMP VII LP which is the general partner of Highland Entrepreneurs' Fund. The Managing Members are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Entrepreneurs' Fund and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Entrepreneurs' Fund to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · derivative · entry 27

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 42,469 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.

F7 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F5 · ownership.nature: These shares are held of record by Highland Capital Partners VII-C Limited Partnership ("Highland Capital VII-C"). HMP VII LLC is the general partner of HMP VII LP which is the general partner of Highland Capital VII-C. The Managing Members are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VII-C and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Capital VII-C to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · derivative · entry 26

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 29,162 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.

F7 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F4 · ownership.nature: These shares are held of record by Highland Capital Partners VII-B Limited Partnership ("Highland Capital VII-B"). HMP VII LLC is the general partner of HMP VII LP which is the general partner of Highland Capital VII-B. The Managing Members are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VII-B and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Capital VII-B to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · derivative · entry 25

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 120,344 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.

F7 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F3 · ownership.nature: These shares are held of record by Highland Capital Partners VII Limited Partnership ("Highland Capital VII"). Highland Management Partners VII, LLC ("HMP VII LLC") is the general partner of Highland Management Partners VII Limited Partnership ("HMP VII LP") which is the general partner of Highland Capital VII. Robert J. Davis, Paul A. Maeder, Corey M. Mulloy and the Reporting Person, a member of the Issuer's board of directors (collectively, the "Managing Members"), are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VII and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Capital VII to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · derivative · entry 24

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 7,219 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.

F7 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F6 · ownership.nature: These shares are held of record by Highland Entrepreneurs' Fund VII Limited Partnership ("Highland Entrepreneurs' Fund"). HMP VII LLC is the general partner of HMP VII LP which is the general partner of Highland Entrepreneurs' Fund. The Managing Members are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Entrepreneurs' Fund and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Entrepreneurs' Fund to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · derivative · entry 23

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 81,297 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.

F7 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F5 · ownership.nature: These shares are held of record by Highland Capital Partners VII-C Limited Partnership ("Highland Capital VII-C"). HMP VII LLC is the general partner of HMP VII LP which is the general partner of Highland Capital VII-C. The Managing Members are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VII-C and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Capital VII-C to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · derivative · entry 22

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 55,824 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.

F7 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F4 · ownership.nature: These shares are held of record by Highland Capital Partners VII-B Limited Partnership ("Highland Capital VII-B"). HMP VII LLC is the general partner of HMP VII LP which is the general partner of Highland Capital VII-B. The Managing Members are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VII-B and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Capital VII-B to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · derivative · entry 21

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 230,374 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.

F7 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F3 · ownership.nature: These shares are held of record by Highland Capital Partners VII Limited Partnership ("Highland Capital VII"). Highland Management Partners VII, LLC ("HMP VII LLC") is the general partner of Highland Management Partners VII Limited Partnership ("HMP VII LP") which is the general partner of Highland Capital VII. Robert J. Davis, Paul A. Maeder, Corey M. Mulloy and the Reporting Person, a member of the Issuer's board of directors (collectively, the "Managing Members"), are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VII and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Capital VII to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · derivative · entry 20

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 11,420 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.

F7 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F6 · ownership.nature: These shares are held of record by Highland Entrepreneurs' Fund VII Limited Partnership ("Highland Entrepreneurs' Fund"). HMP VII LLC is the general partner of HMP VII LP which is the general partner of Highland Entrepreneurs' Fund. The Managing Members are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Entrepreneurs' Fund and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Entrepreneurs' Fund to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · derivative · entry 19

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 128,611 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.

F7 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F5 · ownership.nature: These shares are held of record by Highland Capital Partners VII-C Limited Partnership ("Highland Capital VII-C"). HMP VII LLC is the general partner of HMP VII LP which is the general partner of Highland Capital VII-C. The Managing Members are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VII-C and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Capital VII-C to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · derivative · entry 18

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 88,313 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.

F7 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F4 · ownership.nature: These shares are held of record by Highland Capital Partners VII-B Limited Partnership ("Highland Capital VII-B"). HMP VII LLC is the general partner of HMP VII LP which is the general partner of Highland Capital VII-B. The Managing Members are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VII-B and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Capital VII-B to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · derivative · entry 17

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 364,449 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.

F7 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F3 · ownership.nature: These shares are held of record by Highland Capital Partners VII Limited Partnership ("Highland Capital VII"). Highland Management Partners VII, LLC ("HMP VII LLC") is the general partner of Highland Management Partners VII Limited Partnership ("HMP VII LP") which is the general partner of Highland Capital VII. Robert J. Davis, Paul A. Maeder, Corey M. Mulloy and the Reporting Person, a member of the Issuer's board of directors (collectively, the "Managing Members"), are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VII and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Capital VII to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · derivative · entry 16

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 42,100 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.

F7 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F6 · ownership.nature: These shares are held of record by Highland Entrepreneurs' Fund VII Limited Partnership ("Highland Entrepreneurs' Fund"). HMP VII LLC is the general partner of HMP VII LP which is the general partner of Highland Entrepreneurs' Fund. The Managing Members are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Entrepreneurs' Fund and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Entrepreneurs' Fund to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · derivative · entry 15

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 474,136 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.

F7 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F5 · ownership.nature: These shares are held of record by Highland Capital Partners VII-C Limited Partnership ("Highland Capital VII-C"). HMP VII LLC is the general partner of HMP VII LP which is the general partner of Highland Capital VII-C. The Managing Members are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VII-C and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Capital VII-C to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · derivative · entry 14

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 325,572 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.

F7 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F4 · ownership.nature: These shares are held of record by Highland Capital Partners VII-B Limited Partnership ("Highland Capital VII-B"). HMP VII LLC is the general partner of HMP VII LP which is the general partner of Highland Capital VII-B. The Managing Members are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VII-B and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Capital VII-B to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · derivative · entry 13

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 1,343,565 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.

F7 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F3 · ownership.nature: These shares are held of record by Highland Capital Partners VII Limited Partnership ("Highland Capital VII"). Highland Management Partners VII, LLC ("HMP VII LLC") is the general partner of Highland Management Partners VII Limited Partnership ("HMP VII LP") which is the general partner of Highland Capital VII. Robert J. Davis, Paul A. Maeder, Corey M. Mulloy and the Reporting Person, a member of the Issuer's board of directors (collectively, the "Managing Members"), are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VII and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Capital VII to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · derivative · entry 12

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 2,265 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.

F7 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F6 · ownership.nature: These shares are held of record by Highland Entrepreneurs' Fund VII Limited Partnership ("Highland Entrepreneurs' Fund"). HMP VII LLC is the general partner of HMP VII LP which is the general partner of Highland Entrepreneurs' Fund. The Managing Members are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Entrepreneurs' Fund and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Entrepreneurs' Fund to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · derivative · entry 11

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 25,511 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.

F7 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F5 · ownership.nature: These shares are held of record by Highland Capital Partners VII-C Limited Partnership ("Highland Capital VII-C"). HMP VII LLC is the general partner of HMP VII LP which is the general partner of Highland Capital VII-C. The Managing Members are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VII-C and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Capital VII-C to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · derivative · entry 10

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 17,518 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.

F7 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F4 · ownership.nature: These shares are held of record by Highland Capital Partners VII-B Limited Partnership ("Highland Capital VII-B"). HMP VII LLC is the general partner of HMP VII LP which is the general partner of Highland Capital VII-B. The Managing Members are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VII-B and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Capital VII-B to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · derivative · entry 9

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 72,292 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.

F7 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F3 · ownership.nature: These shares are held of record by Highland Capital Partners VII Limited Partnership ("Highland Capital VII"). Highland Management Partners VII, LLC ("HMP VII LLC") is the general partner of Highland Management Partners VII Limited Partnership ("HMP VII LP") which is the general partner of Highland Capital VII. Robert J. Davis, Paul A. Maeder, Corey M. Mulloy and the Reporting Person, a member of the Issuer's board of directors (collectively, the "Managing Members"), are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VII and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Capital VII to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · derivative · entry 8

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 3,458 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.

F7 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F6 · ownership.nature: These shares are held of record by Highland Entrepreneurs' Fund VII Limited Partnership ("Highland Entrepreneurs' Fund"). HMP VII LLC is the general partner of HMP VII LP which is the general partner of Highland Entrepreneurs' Fund. The Managing Members are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Entrepreneurs' Fund and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Entrepreneurs' Fund to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · derivative · entry 7

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 38,939 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.

F7 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F5 · ownership.nature: These shares are held of record by Highland Capital Partners VII-C Limited Partnership ("Highland Capital VII-C"). HMP VII LLC is the general partner of HMP VII LP which is the general partner of Highland Capital VII-C. The Managing Members are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VII-C and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Capital VII-C to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · derivative · entry 6

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 26,738 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.

F7 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F4 · ownership.nature: These shares are held of record by Highland Capital Partners VII-B Limited Partnership ("Highland Capital VII-B"). HMP VII LLC is the general partner of HMP VII LP which is the general partner of Highland Capital VII-B. The Managing Members are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VII-B and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Capital VII-B to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · derivative · entry 5

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 110,343 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.

F7 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series E-1 Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F3 · ownership.nature: These shares are held of record by Highland Capital Partners VII Limited Partnership ("Highland Capital VII"). Highland Management Partners VII, LLC ("HMP VII LLC") is the general partner of Highland Management Partners VII Limited Partnership ("HMP VII LP") which is the general partner of Highland Capital VII. Robert J. Davis, Paul A. Maeder, Corey M. Mulloy and the Reporting Person, a member of the Issuer's board of directors (collectively, the "Managing Members"), are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VII and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Capital VII to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · nonDerivative · entry 4

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F2 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F6 · ownership.nature: These shares are held of record by Highland Entrepreneurs' Fund VII Limited Partnership ("Highland Entrepreneurs' Fund"). HMP VII LLC is the general partner of HMP VII LP which is the general partner of Highland Entrepreneurs' Fund. The Managing Members are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Entrepreneurs' Fund and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Entrepreneurs' Fund to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · nonDerivative · entry 3

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F2 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F5 · ownership.nature: These shares are held of record by Highland Capital Partners VII-C Limited Partnership ("Highland Capital VII-C"). HMP VII LLC is the general partner of HMP VII LP which is the general partner of Highland Capital VII-C. The Managing Members are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VII-C and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Capital VII-C to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · nonDerivative · entry 2

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F2 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F4 · ownership.nature: These shares are held of record by Highland Capital Partners VII-B Limited Partnership ("Highland Capital VII-B"). HMP VII LLC is the general partner of HMP VII LP which is the general partner of Highland Capital VII-B. The Managing Members are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VII-B and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Capital VII-B to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006407 · wf-form4_161731474369202.xml · nonDerivative · entry 1

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F2 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F3 · ownership.nature: These shares are held of record by Highland Capital Partners VII Limited Partnership ("Highland Capital VII"). Highland Management Partners VII, LLC ("HMP VII LLC") is the general partner of Highland Management Partners VII Limited Partnership ("HMP VII LP") which is the general partner of Highland Capital VII. Robert J. Davis, Paul A. Maeder, Corey M. Mulloy and the Reporting Person, a member of the Issuer's board of directors (collectively, the "Managing Members"), are the managing members of HMP VII LLC. Each of HMP VII LP, HMP VII LLC and the Managing Members may be deemed to share voting, investment and dispositive power over the shares held by Highland Capital VII and as a result may be deemed to have beneficial ownership over such shares. Each of HMP VII LLC, HMP VII LP and the Managing Members disclaims beneficial ownership over the shares held by Highland Capital VII to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001628280-21-006007 · wf-form4_161705711415374.xml · nonDerivative · entry 1

NOVA DANIEL J · CIK 0001027730 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,714

F1 · shares: These shares represent restricted stock units (each, an "RSU"). Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. The RSUs vest in full on the earlier of (i) March 25, 2022 or (ii) the Issuer's next annual meeting of stockholders, subject to the Reporting Person's continued service to the Issuer.