SFIX

SEC source: 0001576942-21-000110 · wf-form4_162646925131719.xml · nonDerivative · entry 5

Lake Katrina · CIK 0001661964 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · John C. Clifford and Katrina M. Lake Revocable Trust dated May 23, 2016

Disclosed balance after: 11,046

F6 · kind: Shares disposed of pursuant to a previously established Rule 10b5-1 plan.

F7 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $58.37 to $59.30 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001576942-21-000110 · wf-form4_162646925131719.xml · nonDerivative · entry 4

Lake Katrina · CIK 0001661964 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Katrina M. Lake 2017 Irrevocable Trust

Disclosed balance after: 9,053

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

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

F2 · shares: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · ownership.nature: The shares are held by Katrina M, Lake, Trustee of The Katrina M. Lake 2017 Irrevocable Trust.

SEC source: 0001576942-21-000110 · wf-form4_162646925131719.xml · nonDerivative · entry 3

Lake Katrina · CIK 0001661964 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Katrina M. Lake Revocable Trust

Disclosed balance after: 29,166

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

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

F2 · shares: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F4 · ownership.nature: The shares are held by Katrina M. Lake, Trustee of The Katrina M. Lake Revocable Trust dated May 23, 2016.

SEC source: 0001576942-21-000110 · wf-form4_162646925131719.xml · nonDerivative · entry 2

Lake Katrina · CIK 0001661964 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · John C. Clifford and Katrina M. Lake Revocable Trust dated May 23, 2016

Disclosed balance after: 15,112

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

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

F2 · shares: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · ownership.nature: The shares are held by John C. Clifford and Katrina M. Lake, Trustees of the John C. Clifford and Katrina M. Lake Revocable Trust dated May 23, 2016.

SEC source: 0000899243-21-027886 · doc4.xml · derivative · entry 5

Anderson Steven P. · CIK 0001719971 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,529,964

Underlying: Class A Common Stock · 377,497 shares

Expires not disclosed

F5 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Class B Common Stock will convert automatically into Class A Common Stock on the earlier of (i) the date on which the number of outstanding shares of Class B Common Stock represents less than 10% of the aggregate combined number of outstanding shares of Class A Common Stock and Class B Common Stock; (ii) ten years following the effective date of the Issuer's initial public offering; or (iii) the date specified by vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F6 · derivative.exercise_price: In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock (i) upon any transfer, whether or not for value (subject to certain exceptions), or (ii) in the event of the death or disability (as defined in the amended and restated certificate of incorporation of the Issuer) of the reporting person, shares of Class B Common Stock held by the reporting person or the reporting person's permitted estate planning entities will convert into Class A Common Stock.

F1 · kind: On July 6, 2021: (i) Baseline Ventures 2009, LLC ("BV 2009") distributed Class A common stock to its non-managing members and Class B common stock to its managing member (Baseline Ventures 2009 Associates, LLC ("BVA 2009")). BVA 2009 is the managing member of BV 2009. Steven Anderson is the sole member of BVA 2009. (ii) Baseline Increased Exposure Fund, LLC ("BIE") distributed Class A common stock to its non-managing members and Class B common stock to its managing member (Baseline Increased Exposure Fund Associates, LLC ("BIEA")). Steven Anderson is the sole member of BIEA. (iii) BVA 2009 and BIEA in turn distributed Class B common stock to Steven Anderson.

F8 · kind: These Class B shares were distributed to BVA 2009 and BIEA, and then distributed to, and are held directly by the Reporting Person, Steven Anderson. Row 1, Column 9 includes Class B shares distributed to, and held directly by, Steven Anderson.

F8 · shares: These Class B shares were distributed to BVA 2009 and BIEA, and then distributed to, and are held directly by the Reporting Person, Steven Anderson. Row 1, Column 9 includes Class B shares distributed to, and held directly by, Steven Anderson.

F5 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Class B Common Stock will convert automatically into Class A Common Stock on the earlier of (i) the date on which the number of outstanding shares of Class B Common Stock represents less than 10% of the aggregate combined number of outstanding shares of Class A Common Stock and Class B Common Stock; (ii) ten years following the effective date of the Issuer's initial public offering; or (iii) the date specified by vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F7 · derivative.expiration_date: Not Applicable.

F1 · ownership.direct: On July 6, 2021: (i) Baseline Ventures 2009, LLC ("BV 2009") distributed Class A common stock to its non-managing members and Class B common stock to its managing member (Baseline Ventures 2009 Associates, LLC ("BVA 2009")). BVA 2009 is the managing member of BV 2009. Steven Anderson is the sole member of BVA 2009. (ii) Baseline Increased Exposure Fund, LLC ("BIE") distributed Class A common stock to its non-managing members and Class B common stock to its managing member (Baseline Increased Exposure Fund Associates, LLC ("BIEA")). Steven Anderson is the sole member of BIEA. (iii) BVA 2009 and BIEA in turn distributed Class B common stock to Steven Anderson.

F8 · ownership.direct: These Class B shares were distributed to BVA 2009 and BIEA, and then distributed to, and are held directly by the Reporting Person, Steven Anderson. Row 1, Column 9 includes Class B shares distributed to, and held directly by, Steven Anderson.

SEC source: 0000899243-21-027886 · doc4.xml · derivative · entry 4

Anderson Steven P. · CIK 0001719971 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 10,174,933

Underlying: Class A Common Stock · 377,497 shares

Expires not disclosed

F5 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Class B Common Stock will convert automatically into Class A Common Stock on the earlier of (i) the date on which the number of outstanding shares of Class B Common Stock represents less than 10% of the aggregate combined number of outstanding shares of Class A Common Stock and Class B Common Stock; (ii) ten years following the effective date of the Issuer's initial public offering; or (iii) the date specified by vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F6 · derivative.exercise_price: In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock (i) upon any transfer, whether or not for value (subject to certain exceptions), or (ii) in the event of the death or disability (as defined in the amended and restated certificate of incorporation of the Issuer) of the reporting person, shares of Class B Common Stock held by the reporting person or the reporting person's permitted estate planning entities will convert into Class A Common Stock.

F1 · kind: On July 6, 2021: (i) Baseline Ventures 2009, LLC ("BV 2009") distributed Class A common stock to its non-managing members and Class B common stock to its managing member (Baseline Ventures 2009 Associates, LLC ("BVA 2009")). BVA 2009 is the managing member of BV 2009. Steven Anderson is the sole member of BVA 2009. (ii) Baseline Increased Exposure Fund, LLC ("BIE") distributed Class A common stock to its non-managing members and Class B common stock to its managing member (Baseline Increased Exposure Fund Associates, LLC ("BIEA")). Steven Anderson is the sole member of BIEA. (iii) BVA 2009 and BIEA in turn distributed Class B common stock to Steven Anderson.

F8 · kind: These Class B shares were distributed to BVA 2009 and BIEA, and then distributed to, and are held directly by the Reporting Person, Steven Anderson. Row 1, Column 9 includes Class B shares distributed to, and held directly by, Steven Anderson.

F1 · shares: On July 6, 2021: (i) Baseline Ventures 2009, LLC ("BV 2009") distributed Class A common stock to its non-managing members and Class B common stock to its managing member (Baseline Ventures 2009 Associates, LLC ("BVA 2009")). BVA 2009 is the managing member of BV 2009. Steven Anderson is the sole member of BVA 2009. (ii) Baseline Increased Exposure Fund, LLC ("BIE") distributed Class A common stock to its non-managing members and Class B common stock to its managing member (Baseline Increased Exposure Fund Associates, LLC ("BIEA")). Steven Anderson is the sole member of BIEA. (iii) BVA 2009 and BIEA in turn distributed Class B common stock to Steven Anderson.

F8 · shares: These Class B shares were distributed to BVA 2009 and BIEA, and then distributed to, and are held directly by the Reporting Person, Steven Anderson. Row 1, Column 9 includes Class B shares distributed to, and held directly by, Steven Anderson.

F5 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Class B Common Stock will convert automatically into Class A Common Stock on the earlier of (i) the date on which the number of outstanding shares of Class B Common Stock represents less than 10% of the aggregate combined number of outstanding shares of Class A Common Stock and Class B Common Stock; (ii) ten years following the effective date of the Issuer's initial public offering; or (iii) the date specified by vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F6 · derivative.exercise_date: In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock (i) upon any transfer, whether or not for value (subject to certain exceptions), or (ii) in the event of the death or disability (as defined in the amended and restated certificate of incorporation of the Issuer) of the reporting person, shares of Class B Common Stock held by the reporting person or the reporting person's permitted estate planning entities will convert into Class A Common Stock.

F7 · derivative.expiration_date: Not Applicable.

F8 · derivative.underlying_shares: These Class B shares were distributed to BVA 2009 and BIEA, and then distributed to, and are held directly by the Reporting Person, Steven Anderson. Row 1, Column 9 includes Class B shares distributed to, and held directly by, Steven Anderson.

F1 · ownership.nature: On July 6, 2021: (i) Baseline Ventures 2009, LLC ("BV 2009") distributed Class A common stock to its non-managing members and Class B common stock to its managing member (Baseline Ventures 2009 Associates, LLC ("BVA 2009")). BVA 2009 is the managing member of BV 2009. Steven Anderson is the sole member of BVA 2009. (ii) Baseline Increased Exposure Fund, LLC ("BIE") distributed Class A common stock to its non-managing members and Class B common stock to its managing member (Baseline Increased Exposure Fund Associates, LLC ("BIEA")). Steven Anderson is the sole member of BIEA. (iii) BVA 2009 and BIEA in turn distributed Class B common stock to Steven Anderson.

F2 · ownership.nature: Following the distribution, the shares held indirectly by the Reporting Person are follows: (i) 3,168,447 shares of Class B common stock directly held by BIE; (ii) 6,463,175 shares of Class B common stock directly held by BV 2009; (iii) 277,911 shares of Class B common stock held directly by Baseline Cable Car, LLC; (iv) 265,400 shares of Class B common stock held by Baseline Encore, L.P. ("BE"). Baseline Encore Associates, LLC ("BEA") is the general partner of BE. Steven Anderson is the sole member of BCC and BEA. Steven Anderson is a Member of BIE and through such Membership interest indirectly owns up to 54,893 shares of Class B common stock through such membership interest in BIE (out of the shares that BIE owns referenced in (i)). The Reporting Person disclaims beneficial ownership of the securities except to the extent of its pecuniary interest therein.

F8 · ownership.nature: These Class B shares were distributed to BVA 2009 and BIEA, and then distributed to, and are held directly by the Reporting Person, Steven Anderson. Row 1, Column 9 includes Class B shares distributed to, and held directly by, Steven Anderson.

SEC source: 0000899243-21-027886 · doc4.xml · derivative · entry 3

Anderson Steven P. · CIK 0001719971 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 10,552,430

Underlying: Class A Common Stock · 826,451 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.

F5 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Class B Common Stock will convert automatically into Class A Common Stock on the earlier of (i) the date on which the number of outstanding shares of Class B Common Stock represents less than 10% of the aggregate combined number of outstanding shares of Class A Common Stock and Class B Common Stock; (ii) ten years following the effective date of the Issuer's initial public offering; or (iii) the date specified by vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F6 · derivative.exercise_price: In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock (i) upon any transfer, whether or not for value (subject to certain exceptions), or (ii) in the event of the death or disability (as defined in the amended and restated certificate of incorporation of the Issuer) of the reporting person, shares of Class B Common Stock held by the reporting person or the reporting person's permitted estate planning entities will convert into Class A Common Stock.

F3 · shares: BV 2009 converted 554,731 shares from Class B to Class A common stock prior to the distribution of the Class A shares to the non-managing members of BV 2009.

F4 · shares: BIE converted 271,720 shares from Class B to Class A common stock prior to their distribution of the Class A shares to the non-managing members of BIE.

F5 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Class B Common Stock will convert automatically into Class A Common Stock on the earlier of (i) the date on which the number of outstanding shares of Class B Common Stock represents less than 10% of the aggregate combined number of outstanding shares of Class A Common Stock and Class B Common Stock; (ii) ten years following the effective date of the Issuer's initial public offering; or (iii) the date specified by vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F6 · derivative.exercise_date: In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock (i) upon any transfer, whether or not for value (subject to certain exceptions), or (ii) in the event of the death or disability (as defined in the amended and restated certificate of incorporation of the Issuer) of the reporting person, shares of Class B Common Stock held by the reporting person or the reporting person's permitted estate planning entities will convert into Class A Common Stock.

F7 · derivative.expiration_date: Not Applicable.

F1 · ownership.nature: On July 6, 2021: (i) Baseline Ventures 2009, LLC ("BV 2009") distributed Class A common stock to its non-managing members and Class B common stock to its managing member (Baseline Ventures 2009 Associates, LLC ("BVA 2009")). BVA 2009 is the managing member of BV 2009. Steven Anderson is the sole member of BVA 2009. (ii) Baseline Increased Exposure Fund, LLC ("BIE") distributed Class A common stock to its non-managing members and Class B common stock to its managing member (Baseline Increased Exposure Fund Associates, LLC ("BIEA")). Steven Anderson is the sole member of BIEA. (iii) BVA 2009 and BIEA in turn distributed Class B common stock to Steven Anderson.

F2 · ownership.nature: Following the distribution, the shares held indirectly by the Reporting Person are follows: (i) 3,168,447 shares of Class B common stock directly held by BIE; (ii) 6,463,175 shares of Class B common stock directly held by BV 2009; (iii) 277,911 shares of Class B common stock held directly by Baseline Cable Car, LLC; (iv) 265,400 shares of Class B common stock held by Baseline Encore, L.P. ("BE"). Baseline Encore Associates, LLC ("BEA") is the general partner of BE. Steven Anderson is the sole member of BCC and BEA. Steven Anderson is a Member of BIE and through such Membership interest indirectly owns up to 54,893 shares of Class B common stock through such membership interest in BIE (out of the shares that BIE owns referenced in (i)). The Reporting Person disclaims beneficial ownership of the securities except to the extent of its pecuniary interest therein.

F8 · ownership.nature: These Class B shares were distributed to BVA 2009 and BIEA, and then distributed to, and are held directly by the Reporting Person, Steven Anderson. Row 1, Column 9 includes Class B shares distributed to, and held directly by, Steven Anderson.

SEC source: 0000899243-21-027886 · doc4.xml · nonDerivative · entry 2

Anderson Steven P. · CIK 0001719971 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F1 · kind: On July 6, 2021: (i) Baseline Ventures 2009, LLC ("BV 2009") distributed Class A common stock to its non-managing members and Class B common stock to its managing member (Baseline Ventures 2009 Associates, LLC ("BVA 2009")). BVA 2009 is the managing member of BV 2009. Steven Anderson is the sole member of BVA 2009. (ii) Baseline Increased Exposure Fund, LLC ("BIE") distributed Class A common stock to its non-managing members and Class B common stock to its managing member (Baseline Increased Exposure Fund Associates, LLC ("BIEA")). Steven Anderson is the sole member of BIEA. (iii) BVA 2009 and BIEA in turn distributed Class B common stock to Steven Anderson.

F3 · shares: BV 2009 converted 554,731 shares from Class B to Class A common stock prior to the distribution of the Class A shares to the non-managing members of BV 2009.

F4 · shares: BIE converted 271,720 shares from Class B to Class A common stock prior to their distribution of the Class A shares to the non-managing members of BIE.

F1 · ownership.nature: On July 6, 2021: (i) Baseline Ventures 2009, LLC ("BV 2009") distributed Class A common stock to its non-managing members and Class B common stock to its managing member (Baseline Ventures 2009 Associates, LLC ("BVA 2009")). BVA 2009 is the managing member of BV 2009. Steven Anderson is the sole member of BVA 2009. (ii) Baseline Increased Exposure Fund, LLC ("BIE") distributed Class A common stock to its non-managing members and Class B common stock to its managing member (Baseline Increased Exposure Fund Associates, LLC ("BIEA")). Steven Anderson is the sole member of BIEA. (iii) BVA 2009 and BIEA in turn distributed Class B common stock to Steven Anderson.

F2 · ownership.nature: Following the distribution, the shares held indirectly by the Reporting Person are follows: (i) 3,168,447 shares of Class B common stock directly held by BIE; (ii) 6,463,175 shares of Class B common stock directly held by BV 2009; (iii) 277,911 shares of Class B common stock held directly by Baseline Cable Car, LLC; (iv) 265,400 shares of Class B common stock held by Baseline Encore, L.P. ("BE"). Baseline Encore Associates, LLC ("BEA") is the general partner of BE. Steven Anderson is the sole member of BCC and BEA. Steven Anderson is a Member of BIE and through such Membership interest indirectly owns up to 54,893 shares of Class B common stock through such membership interest in BIE (out of the shares that BIE owns referenced in (i)). The Reporting Person disclaims beneficial ownership of the securities except to the extent of its pecuniary interest therein.

SEC source: 0000899243-21-027886 · doc4.xml · nonDerivative · entry 1

Anderson Steven P. · CIK 0001719971 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 826,451

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

F3 · shares: BV 2009 converted 554,731 shares from Class B to Class A common stock prior to the distribution of the Class A shares to the non-managing members of BV 2009.

F4 · shares: BIE converted 271,720 shares from Class B to Class A common stock prior to their distribution of the Class A shares to the non-managing members of BIE.

F1 · ownership.nature: On July 6, 2021: (i) Baseline Ventures 2009, LLC ("BV 2009") distributed Class A common stock to its non-managing members and Class B common stock to its managing member (Baseline Ventures 2009 Associates, LLC ("BVA 2009")). BVA 2009 is the managing member of BV 2009. Steven Anderson is the sole member of BVA 2009. (ii) Baseline Increased Exposure Fund, LLC ("BIE") distributed Class A common stock to its non-managing members and Class B common stock to its managing member (Baseline Increased Exposure Fund Associates, LLC ("BIEA")). Steven Anderson is the sole member of BIEA. (iii) BVA 2009 and BIEA in turn distributed Class B common stock to Steven Anderson.

F2 · ownership.nature: Following the distribution, the shares held indirectly by the Reporting Person are follows: (i) 3,168,447 shares of Class B common stock directly held by BIE; (ii) 6,463,175 shares of Class B common stock directly held by BV 2009; (iii) 277,911 shares of Class B common stock held directly by Baseline Cable Car, LLC; (iv) 265,400 shares of Class B common stock held by Baseline Encore, L.P. ("BE"). Baseline Encore Associates, LLC ("BEA") is the general partner of BE. Steven Anderson is the sole member of BCC and BEA. Steven Anderson is a Member of BIE and through such Membership interest indirectly owns up to 54,893 shares of Class B common stock through such membership interest in BIE (out of the shares that BIE owns referenced in (i)). The Reporting Person disclaims beneficial ownership of the securities except to the extent of its pecuniary interest therein.

SEC source: 0000899243-21-027885 · doc4.xml · derivative · entry 4

BASELINE VENTURES 2009 LLC · CIK 0001453518 · 10% owner

Baseline Cable Car, LLC · CIK 0001718688 · 10% owner

BASELINE ENCORE, L.P. · CIK 0001607379 · 10% owner

Baseline Increased Exposure Fund Associates, LLC · CIK 0001718682 · 10% owner

Baseline Encore Associates, LLC · CIK 0001718696 · 10% owner

Baseline Increased Exposure Fund, LLC · CIK 0001531967 · 10% owner

Baseline Ventures 2009 Associates, LLC · CIK 0001718679 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 10,174,933

Underlying: Class A Common Stock · 377,497 shares

Expires not disclosed

F5 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Class B Common Stock will convert automatically into Class A Common Stock on the earlier of (i) the date on which the number of outstanding shares of Class B Common Stock represents less than 10% of the aggregate combined number of outstanding shares of Class A Common Stock and Class B Common Stock; (ii) ten years following the effective date of the Issuer's initial public offering; or (iii) the date specified by vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F6 · derivative.exercise_price: In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock (i) upon any transfer, whether or not for value (subject to certain exceptions), or (ii) in the event of the death or disability (as defined in the amended and restated certificate of incorporation of the Issuer) of the reporting person, shares of Class B Common Stock held by the reporting person or the reporting person's permitted estate planning entities will convert into Class A Common Stock.

F1 · kind: On July 6, 2021: (i) Baseline Ventures 2009, LLC ("BV 2009") distributed Class A common stock to its non-managing members and Class B common stock to its managing member (Baseline Ventures 2009 Associates, LLC ("BVA 2009")). BVA 2009 is the managing member of BV 2009. Steven Anderson is the sole member of BVA 2009. (ii) Baseline Increased Exposure Fund, LLC ("BIE") distributed Class A common stock to its non-managing members and Class B common stock to its managing member (Baseline Increased Exposure Fund Associates, LLC ("BIEA")). Steven Anderson is the sole member of BIEA. (iii) BVA 2009 and BIEA in turn distributed Class B common stock to Steven Anderson. Steven Anderson has separately filed a Form 4.

F8 · kind: These Class B shares were distributed to BVA 2009 and BIEA, and then distributed to, and are held directly by, Steven Anderson. Row 1, Column 9 includes Class B shares distributed to, and held directly by, Steven Anderson.

F8 · shares: These Class B shares were distributed to BVA 2009 and BIEA, and then distributed to, and are held directly by, Steven Anderson. Row 1, Column 9 includes Class B shares distributed to, and held directly by, Steven Anderson.

F5 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Class B Common Stock will convert automatically into Class A Common Stock on the earlier of (i) the date on which the number of outstanding shares of Class B Common Stock represents less than 10% of the aggregate combined number of outstanding shares of Class A Common Stock and Class B Common Stock; (ii) ten years following the effective date of the Issuer's initial public offering; or (iii) the date specified by vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F6 · derivative.exercise_date: In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock (i) upon any transfer, whether or not for value (subject to certain exceptions), or (ii) in the event of the death or disability (as defined in the amended and restated certificate of incorporation of the Issuer) of the reporting person, shares of Class B Common Stock held by the reporting person or the reporting person's permitted estate planning entities will convert into Class A Common Stock.

F7 · derivative.expiration_date: Not Applicable.

F8 · derivative.underlying_shares: These Class B shares were distributed to BVA 2009 and BIEA, and then distributed to, and are held directly by, Steven Anderson. Row 1, Column 9 includes Class B shares distributed to, and held directly by, Steven Anderson.

F1 · ownership.nature: On July 6, 2021: (i) Baseline Ventures 2009, LLC ("BV 2009") distributed Class A common stock to its non-managing members and Class B common stock to its managing member (Baseline Ventures 2009 Associates, LLC ("BVA 2009")). BVA 2009 is the managing member of BV 2009. Steven Anderson is the sole member of BVA 2009. (ii) Baseline Increased Exposure Fund, LLC ("BIE") distributed Class A common stock to its non-managing members and Class B common stock to its managing member (Baseline Increased Exposure Fund Associates, LLC ("BIEA")). Steven Anderson is the sole member of BIEA. (iii) BVA 2009 and BIEA in turn distributed Class B common stock to Steven Anderson. Steven Anderson has separately filed a Form 4.

F2 · ownership.nature: Following the distribution, the shares held by Reporting Persons are follows: (i) 3,168,447 shares of Class B common stock directly held by BIE; (ii) 6,463,175 shares of Class B common stock directly held by BV 2009; (iii) 277,911 shares of Class B common stock held directly by Baseline Cable Car, LLC; (iv) 265,400 shares of Class B common stock held by Baseline Encore, L.P. ("BE"). Baseline Encore Associates, LLC ("BEA") is the general partner of BE. Steven Anderson is the sole member of BCC and BEA. Steven Anderson is a Member of BIE and through such Membership interest indirectly owns up to 54,893 shares of Class B common stock through such membership interest in BIE (out of the shares that BIE owns referenced in (i)). Each Reporting Person disclaims beneficial ownership of the securities except to the extent of its pecuniary interest therein.

F8 · ownership.nature: These Class B shares were distributed to BVA 2009 and BIEA, and then distributed to, and are held directly by, Steven Anderson. Row 1, Column 9 includes Class B shares distributed to, and held directly by, Steven Anderson.

SEC source: 0000899243-21-027885 · doc4.xml · derivative · entry 3

BASELINE VENTURES 2009 LLC · CIK 0001453518 · 10% owner

Baseline Cable Car, LLC · CIK 0001718688 · 10% owner

BASELINE ENCORE, L.P. · CIK 0001607379 · 10% owner

Baseline Increased Exposure Fund Associates, LLC · CIK 0001718682 · 10% owner

Baseline Encore Associates, LLC · CIK 0001718696 · 10% owner

Baseline Increased Exposure Fund, LLC · CIK 0001531967 · 10% owner

Baseline Ventures 2009 Associates, LLC · CIK 0001718679 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 10,552,430

Underlying: Class A Common Stock · 826,451 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.

F5 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Class B Common Stock will convert automatically into Class A Common Stock on the earlier of (i) the date on which the number of outstanding shares of Class B Common Stock represents less than 10% of the aggregate combined number of outstanding shares of Class A Common Stock and Class B Common Stock; (ii) ten years following the effective date of the Issuer's initial public offering; or (iii) the date specified by vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F6 · derivative.exercise_price: In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock (i) upon any transfer, whether or not for value (subject to certain exceptions), or (ii) in the event of the death or disability (as defined in the amended and restated certificate of incorporation of the Issuer) of the reporting person, shares of Class B Common Stock held by the reporting person or the reporting person's permitted estate planning entities will convert into Class A Common Stock.

F3 · shares: BV 2009 converted 554,731 shares from Class B to Class A common stock prior to the distribution of the Class A shares to the non-managing members of BV 2009.

F4 · shares: BIE converted 271,720 shares from Class B to Class A common stock prior to their distribution of the Class A shares to the non-managing members of BIE.

F5 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Class B Common Stock will convert automatically into Class A Common Stock on the earlier of (i) the date on which the number of outstanding shares of Class B Common Stock represents less than 10% of the aggregate combined number of outstanding shares of Class A Common Stock and Class B Common Stock; (ii) ten years following the effective date of the Issuer's initial public offering; or (iii) the date specified by vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F6 · derivative.exercise_date: In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock (i) upon any transfer, whether or not for value (subject to certain exceptions), or (ii) in the event of the death or disability (as defined in the amended and restated certificate of incorporation of the Issuer) of the reporting person, shares of Class B Common Stock held by the reporting person or the reporting person's permitted estate planning entities will convert into Class A Common Stock.

F7 · derivative.expiration_date: Not Applicable.

F1 · ownership.nature: On July 6, 2021: (i) Baseline Ventures 2009, LLC ("BV 2009") distributed Class A common stock to its non-managing members and Class B common stock to its managing member (Baseline Ventures 2009 Associates, LLC ("BVA 2009")). BVA 2009 is the managing member of BV 2009. Steven Anderson is the sole member of BVA 2009. (ii) Baseline Increased Exposure Fund, LLC ("BIE") distributed Class A common stock to its non-managing members and Class B common stock to its managing member (Baseline Increased Exposure Fund Associates, LLC ("BIEA")). Steven Anderson is the sole member of BIEA. (iii) BVA 2009 and BIEA in turn distributed Class B common stock to Steven Anderson. Steven Anderson has separately filed a Form 4.

F2 · ownership.nature: Following the distribution, the shares held by Reporting Persons are follows: (i) 3,168,447 shares of Class B common stock directly held by BIE; (ii) 6,463,175 shares of Class B common stock directly held by BV 2009; (iii) 277,911 shares of Class B common stock held directly by Baseline Cable Car, LLC; (iv) 265,400 shares of Class B common stock held by Baseline Encore, L.P. ("BE"). Baseline Encore Associates, LLC ("BEA") is the general partner of BE. Steven Anderson is the sole member of BCC and BEA. Steven Anderson is a Member of BIE and through such Membership interest indirectly owns up to 54,893 shares of Class B common stock through such membership interest in BIE (out of the shares that BIE owns referenced in (i)). Each Reporting Person disclaims beneficial ownership of the securities except to the extent of its pecuniary interest therein.

F8 · ownership.nature: These Class B shares were distributed to BVA 2009 and BIEA, and then distributed to, and are held directly by, Steven Anderson. Row 1, Column 9 includes Class B shares distributed to, and held directly by, Steven Anderson.

SEC source: 0000899243-21-027885 · doc4.xml · nonDerivative · entry 2

BASELINE VENTURES 2009 LLC · CIK 0001453518 · 10% owner

Baseline Cable Car, LLC · CIK 0001718688 · 10% owner

BASELINE ENCORE, L.P. · CIK 0001607379 · 10% owner

Baseline Increased Exposure Fund Associates, LLC · CIK 0001718682 · 10% owner

Baseline Encore Associates, LLC · CIK 0001718696 · 10% owner

Baseline Increased Exposure Fund, LLC · CIK 0001531967 · 10% owner

Baseline Ventures 2009 Associates, LLC · CIK 0001718679 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F1 · kind: On July 6, 2021: (i) Baseline Ventures 2009, LLC ("BV 2009") distributed Class A common stock to its non-managing members and Class B common stock to its managing member (Baseline Ventures 2009 Associates, LLC ("BVA 2009")). BVA 2009 is the managing member of BV 2009. Steven Anderson is the sole member of BVA 2009. (ii) Baseline Increased Exposure Fund, LLC ("BIE") distributed Class A common stock to its non-managing members and Class B common stock to its managing member (Baseline Increased Exposure Fund Associates, LLC ("BIEA")). Steven Anderson is the sole member of BIEA. (iii) BVA 2009 and BIEA in turn distributed Class B common stock to Steven Anderson. Steven Anderson has separately filed a Form 4.

F3 · shares: BV 2009 converted 554,731 shares from Class B to Class A common stock prior to the distribution of the Class A shares to the non-managing members of BV 2009.

F4 · shares: BIE converted 271,720 shares from Class B to Class A common stock prior to their distribution of the Class A shares to the non-managing members of BIE.

F1 · ownership.nature: On July 6, 2021: (i) Baseline Ventures 2009, LLC ("BV 2009") distributed Class A common stock to its non-managing members and Class B common stock to its managing member (Baseline Ventures 2009 Associates, LLC ("BVA 2009")). BVA 2009 is the managing member of BV 2009. Steven Anderson is the sole member of BVA 2009. (ii) Baseline Increased Exposure Fund, LLC ("BIE") distributed Class A common stock to its non-managing members and Class B common stock to its managing member (Baseline Increased Exposure Fund Associates, LLC ("BIEA")). Steven Anderson is the sole member of BIEA. (iii) BVA 2009 and BIEA in turn distributed Class B common stock to Steven Anderson. Steven Anderson has separately filed a Form 4.

F2 · ownership.nature: Following the distribution, the shares held by Reporting Persons are follows: (i) 3,168,447 shares of Class B common stock directly held by BIE; (ii) 6,463,175 shares of Class B common stock directly held by BV 2009; (iii) 277,911 shares of Class B common stock held directly by Baseline Cable Car, LLC; (iv) 265,400 shares of Class B common stock held by Baseline Encore, L.P. ("BE"). Baseline Encore Associates, LLC ("BEA") is the general partner of BE. Steven Anderson is the sole member of BCC and BEA. Steven Anderson is a Member of BIE and through such Membership interest indirectly owns up to 54,893 shares of Class B common stock through such membership interest in BIE (out of the shares that BIE owns referenced in (i)). Each Reporting Person disclaims beneficial ownership of the securities except to the extent of its pecuniary interest therein.

SEC source: 0000899243-21-027885 · doc4.xml · nonDerivative · entry 1

BASELINE VENTURES 2009 LLC · CIK 0001453518 · 10% owner

Baseline Cable Car, LLC · CIK 0001718688 · 10% owner

BASELINE ENCORE, L.P. · CIK 0001607379 · 10% owner

Baseline Increased Exposure Fund Associates, LLC · CIK 0001718682 · 10% owner

Baseline Encore Associates, LLC · CIK 0001718696 · 10% owner

Baseline Increased Exposure Fund, LLC · CIK 0001531967 · 10% owner

Baseline Ventures 2009 Associates, LLC · CIK 0001718679 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 826,451

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

F3 · shares: BV 2009 converted 554,731 shares from Class B to Class A common stock prior to the distribution of the Class A shares to the non-managing members of BV 2009.

F4 · shares: BIE converted 271,720 shares from Class B to Class A common stock prior to their distribution of the Class A shares to the non-managing members of BIE.

F1 · ownership.nature: On July 6, 2021: (i) Baseline Ventures 2009, LLC ("BV 2009") distributed Class A common stock to its non-managing members and Class B common stock to its managing member (Baseline Ventures 2009 Associates, LLC ("BVA 2009")). BVA 2009 is the managing member of BV 2009. Steven Anderson is the sole member of BVA 2009. (ii) Baseline Increased Exposure Fund, LLC ("BIE") distributed Class A common stock to its non-managing members and Class B common stock to its managing member (Baseline Increased Exposure Fund Associates, LLC ("BIEA")). Steven Anderson is the sole member of BIEA. (iii) BVA 2009 and BIEA in turn distributed Class B common stock to Steven Anderson. Steven Anderson has separately filed a Form 4.

F2 · ownership.nature: Following the distribution, the shares held by Reporting Persons are follows: (i) 3,168,447 shares of Class B common stock directly held by BIE; (ii) 6,463,175 shares of Class B common stock directly held by BV 2009; (iii) 277,911 shares of Class B common stock held directly by Baseline Cable Car, LLC; (iv) 265,400 shares of Class B common stock held by Baseline Encore, L.P. ("BE"). Baseline Encore Associates, LLC ("BEA") is the general partner of BE. Steven Anderson is the sole member of BCC and BEA. Steven Anderson is a Member of BIE and through such Membership interest indirectly owns up to 54,893 shares of Class B common stock through such membership interest in BIE (out of the shares that BIE owns referenced in (i)). Each Reporting Person disclaims beneficial ownership of the securities except to the extent of its pecuniary interest therein.

SEC source: 0001576942-21-000108 · wf-form4_162577466351707.xml · derivative · entry 6

HANSEN MARKA · CIK 0001388969 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 10,000 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.

F2 · derivative.exercise_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 has no expiration date.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

F2 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

SEC source: 0001576942-21-000108 · wf-form4_162577466351707.xml · derivative · entry 5

HANSEN MARKA · CIK 0001388969 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

Underlying: Class A Common Stock · 10,000 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.

F2 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

SEC source: 0001576942-21-000108 · wf-form4_162577466351707.xml · derivative · entry 4

HANSEN MARKA · CIK 0001388969 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,375

Underlying: Class B Common Stock · 10,000 shares

Expires 2026-10-24

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_date: The stock option vests monthly over four years from October 24, 2017, subject to the individual's continued service through each vesting date.

F7 · derivative.underlying: In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock (i) upon any transfer, whether or not for value (subject to certain exceptions), or (ii) in the event of the death or disability (as defined in the amended and restated certificate of incorporation of the Issuer) of the reporting person, shares of Class B Common Stock held by the reporting person or the reporting person's permitted estate planning entities will convert into Class A Common Stock.

F8 · derivative.underlying: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Class B Common Stock will convert automatically into Class A Common Stock on the earlier of (i) the date on which the number of outstanding shares of Class B Common Stock represents less than 10% of the aggregate combined number of outstanding shares of Class A Common Stock and Class B Common Stock; (ii) ten years following the effective date of the Issuer's initial public offering; or (iii) the date specified by vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

SEC source: 0001576942-21-000108 · wf-form4_162577466351707.xml · nonDerivative · entry 3

HANSEN MARKA · CIK 0001388969 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F3 · kind: Shares disposed of pursuant to a previously established Rule 10b5-1 plan.

F5 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $62.94 to $63.72 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001576942-21-000108 · wf-form4_162577466351707.xml · nonDerivative · entry 2

HANSEN MARKA · CIK 0001388969 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,300

F3 · kind: Shares disposed of pursuant to a previously established Rule 10b5-1 plan.

F4 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $61.90 to $62.89 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001576942-21-000108 · wf-form4_162577466351707.xml · nonDerivative · entry 1

HANSEN MARKA · CIK 0001388969 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

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

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

F2 · shares: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

SEC source: 0001576942-21-000106 · wf-form4_162491810255701.xml · derivative · entry 3

Smith Mike C. · CIK 0001723026 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 438,364

Underlying: Class A Common Stock · 20,000 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.

F2 · derivative.exercise_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 has no expiration date.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

F2 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

SEC source: 0001576942-21-000106 · wf-form4_162491810255701.xml · nonDerivative · entry 2

Smith Mike C. · CIK 0001723026 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,356

F3 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $62.07 to $62.43 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001576942-21-000106 · wf-form4_162491810255701.xml · nonDerivative · entry 1

Smith Mike C. · CIK 0001723026 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,356

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

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

F2 · shares: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

SEC source: 0001576942-21-000104 · wf-form4_162491756134612.xml · derivative · entry 2

Spaulding Elizabeth · CIK 0001798154 · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 170,283

Underlying: Class A Common Stock · 170,283 shares

Expires 2031-06-23

F2 · derivative.exercise_date: 1/42 of the shares subject to the option will vest on 9/1/2021 and 1/42 of the total number of options will vest monthly thereafter. All vesting is subject to the Reporting Person's continuous service through the applicable vesting date.

SEC source: 0001576942-21-000104 · wf-form4_162491756134612.xml · nonDerivative · entry 1

Spaulding Elizabeth · CIK 0001798154 · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 256,743

F1 · shares: 1/14th of the shares subject to the restricted stock units will vest on 9/15/2021 and 1/14th of the total number of restricted stock units will vest quarterly thereafter. All vesting is subject to the Reporting Person's continuous service through the applicable vesting date.

SEC source: 0001104659-21-085337 · tm2120562-3_4seq1.xml · derivative · entry 22

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 853,407

Underlying: Class A Common Stock · 283,468 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.

F22 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock and has no expiration date. Class B Common Stock will convert automatically into Class A Common Stock on the earlier of (i) the date on which the number of outstanding shares of Class B Common Stock represents less than 10% of the aggregate combined number of outstanding shares of Class A Common Stock and Class B Common Stock; (ii) ten years following the effective date of the Issuer's initial public offering; or (iii) the date specified by vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F23 · derivative.exercise_price: In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock (i) upon any transfer, whether or not for value (subject to certain exceptions), or (ii) in the event of death or disability (as defined in the amended and restated certificate of incorporation of the Issuer) of the reporting person, shares of Class B Common Stock held by the reporting person or the reporting person's permitted estate planning entities will convert into Class A Common Stock.

F22 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock and has no expiration date. Class B Common Stock will convert automatically into Class A Common Stock on the earlier of (i) the date on which the number of outstanding shares of Class B Common Stock represents less than 10% of the aggregate combined number of outstanding shares of Class A Common Stock and Class B Common Stock; (ii) ten years following the effective date of the Issuer's initial public offering; or (iii) the date specified by vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F23 · derivative.exercise_date: In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock (i) upon any transfer, whether or not for value (subject to certain exceptions), or (ii) in the event of death or disability (as defined in the amended and restated certificate of incorporation of the Issuer) of the reporting person, shares of Class B Common Stock held by the reporting person or the reporting person's permitted estate planning entities will convert into Class A Common Stock.

F24 · derivative.expiration_date: Not applicable.

F2 · ownership.nature: Shares are held by Benchmark Capital Partners VI, L.P. ("BCP VI"), as nominee for BCP VI, Benchmark Founders' Fund VI, L.P. ("BFF VI"), Benchmark Founders' Fund VI-B, L.P. ("BFF VI-B") and related persons. Benchmark Capital Management Co. VI, L.L.C. ("BCMC VI"), the general partner of each of BCP VI, BFF VI and BFF VI-B, may be deemed to have sole voting and investment power over such shares. Alexandre Balkanski, Matthew R. Cohler, Bruce W. Dunlevie, Peter H. Fenton, J. William Gurley, Kevin R. Harvey, Robert C. Kagle, Mitchell H. Lasky and Steven M. Spurlock, the managing members of BCMC VI, may be deemed to share voting and investment power over these shares beneficially held by such entities. Each such person and entity disclaims the existence of a "group" and disclaims beneficial ownership of any securities (except to the extent such person's or entity's pecuniary interest in such securities).

SEC source: 0001104659-21-085337 · tm2120562-3_4seq1.xml · derivative · entry 21

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 5,468,828

Underlying: Class A Common Stock · 1,816,532 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.

F22 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock and has no expiration date. Class B Common Stock will convert automatically into Class A Common Stock on the earlier of (i) the date on which the number of outstanding shares of Class B Common Stock represents less than 10% of the aggregate combined number of outstanding shares of Class A Common Stock and Class B Common Stock; (ii) ten years following the effective date of the Issuer's initial public offering; or (iii) the date specified by vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F23 · derivative.exercise_price: In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock (i) upon any transfer, whether or not for value (subject to certain exceptions), or (ii) in the event of death or disability (as defined in the amended and restated certificate of incorporation of the Issuer) of the reporting person, shares of Class B Common Stock held by the reporting person or the reporting person's permitted estate planning entities will convert into Class A Common Stock.

F22 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock and has no expiration date. Class B Common Stock will convert automatically into Class A Common Stock on the earlier of (i) the date on which the number of outstanding shares of Class B Common Stock represents less than 10% of the aggregate combined number of outstanding shares of Class A Common Stock and Class B Common Stock; (ii) ten years following the effective date of the Issuer's initial public offering; or (iii) the date specified by vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F23 · derivative.exercise_date: In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock (i) upon any transfer, whether or not for value (subject to certain exceptions), or (ii) in the event of death or disability (as defined in the amended and restated certificate of incorporation of the Issuer) of the reporting person, shares of Class B Common Stock held by the reporting person or the reporting person's permitted estate planning entities will convert into Class A Common Stock.

F24 · derivative.expiration_date: Not applicable.

F1 · ownership.nature: Shares are held by Benchmark Capital Partners VII, L.P. ("BCP VII"), as nominee for BCP VII, Benchmark Founders' Fund VII, L.P. ("BFF VII"), Benchmark Founders' Fund VII-B, L.P. ("BFF VII-B") and related persons. Benchmark Capital Management Co. VII, L.L.C. ("BCMC VII"), the general partner of each of BCP VII, BFF VII and BFF VII-B, may be deemed to have sole voting and investment power over such shares. Matthew R. Cohler, Bruce W. Dunlevie, Peter H. Fenton, J. William Gurley, Kevin R. Harvey, Mitchell H. Lasky, Steven M. Spurlock and Eric H. Vishria, the managing members of BCMC VII, may be deemed to share voting and investment power over these shares beneficially held by such entities. Each such person and entity disclaims the existence of a "group" and disclaims beneficial ownership of any securities (except to the extent such person's or entity's pecuniary interest in such securities).

SEC source: 0001104659-21-085337 · tm2120562-3_4seq1.xml · nonDerivative · entry 19

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,420

F5 · kind: Represents a pro-rata, in-kind distribution by BCP VI, BCP VII and their affiliated funds and associated persons, without additional consideration, to their respective partners, members and assigns.

F20 · ownership.direct: Shares are held directly by Eric H. Vishria.

SEC source: 0001104659-21-085337 · tm2120562-3_4seq1.xml · nonDerivative · entry 18

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 4,997

F3 · kind: Represents a pro-rata, in-kind distribution by BCP VII and its affiliated funds and associated persons, without additional consideration, to their respective partners, members and assigns.

F19 · ownership.nature: Shares are held by an entity controlled by Mitchell H. Lasky.

SEC source: 0001104659-21-085337 · tm2120562-3_4seq1.xml · nonDerivative · entry 17

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 86,829

F5 · kind: Represents a pro-rata, in-kind distribution by BCP VI, BCP VII and their affiliated funds and associated persons, without additional consideration, to their respective partners, members and assigns.

F18 · ownership.nature: Shares are held by Mitchell H. Lasky's family trust.

SEC source: 0001104659-21-085337 · tm2120562-3_4seq1.xml · nonDerivative · entry 16

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 15,640

F3 · kind: Represents a pro-rata, in-kind distribution by BCP VII and its affiliated funds and associated persons, without additional consideration, to their respective partners, members and assigns.

F17 · ownership.nature: Shares are held by a limited partnership controlled by Robert C. Kagle.

SEC source: 0001104659-21-085337 · tm2120562-3_4seq1.xml · nonDerivative · entry 15

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,395

F5 · kind: Represents a pro-rata, in-kind distribution by BCP VI, BCP VII and their affiliated funds and associated persons, without additional consideration, to their respective partners, members and assigns.

F16 · ownership.direct: Shares are held directly by Robert C. Kagle.

SEC source: 0001104659-21-085337 · tm2120562-3_4seq1.xml · nonDerivative · entry 14

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 653,484

F5 · kind: Represents a pro-rata, in-kind distribution by BCP VI, BCP VII and their affiliated funds and associated persons, without additional consideration, to their respective partners, members and assigns.

F15 · ownership.nature: Shares are held by Kevin R. Harvey's family trust.

SEC source: 0001104659-21-085337 · tm2120562-3_4seq1.xml · nonDerivative · entry 13

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 164,978

F5 · kind: Represents a pro-rata, in-kind distribution by BCP VI, BCP VII and their affiliated funds and associated persons, without additional consideration, to their respective partners, members and assigns.

F14 · ownership.nature: Shares are held by entities controlled by Kevin R. Harvey.

SEC source: 0001104659-21-085337 · tm2120562-3_4seq1.xml · nonDerivative · entry 12

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 101,658

F5 · kind: Represents a pro-rata, in-kind distribution by BCP VI, BCP VII and their affiliated funds and associated persons, without additional consideration, to their respective partners, members and assigns.

F13 · ownership.nature: Shares are held by Peter H. Fenton's trust entities.

SEC source: 0001104659-21-085337 · tm2120562-3_4seq1.xml · nonDerivative · entry 11

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 92,574

F5 · kind: Represents a pro-rata, in-kind distribution by BCP VI, BCP VII and their affiliated funds and associated persons, without additional consideration, to their respective partners, members and assigns.

F12 · ownership.nature: Shares are held by Bruce W. Dunlevie's family trust.

SEC source: 0001104659-21-085337 · tm2120562-3_4seq1.xml · nonDerivative · entry 10

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 25,491

F5 · kind: Represents a pro-rata, in-kind distribution by BCP VI, BCP VII and their affiliated funds and associated persons, without additional consideration, to their respective partners, members and assigns.

F11 · ownership.nature: Shares are held by entities controlled by Bruce W. Dunlevie.

SEC source: 0001104659-21-085337 · tm2120562-3_4seq1.xml · nonDerivative · entry 9

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 78,885

F3 · kind: Represents a pro-rata, in-kind distribution by BCP VII and its affiliated funds and associated persons, without additional consideration, to their respective partners, members and assigns.

F10 · ownership.nature: Shares are held by a limited liability company controlled by Matthew R. Cohler.

SEC source: 0001104659-21-085337 · tm2120562-3_4seq1.xml · nonDerivative · entry 8

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 10,782

F5 · kind: Represents a pro-rata, in-kind distribution by BCP VI, BCP VII and their affiliated funds and associated persons, without additional consideration, to their respective partners, members and assigns.

F9 · ownership.nature: Shares are held by Matthew R. Cohler's trust entity.

SEC source: 0001104659-21-085337 · tm2120562-3_4seq1.xml · nonDerivative · entry 7

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 6,722

F5 · kind: Represents a pro-rata, in-kind distribution by BCP VI, BCP VII and their affiliated funds and associated persons, without additional consideration, to their respective partners, members and assigns.

F8 · ownership.nature: Shares are held by Alexandre Balkanski's family trust.

SEC source: 0001104659-21-085337 · tm2120562-3_4seq1.xml · nonDerivative · entry 6

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 18,597

F4 · kind: Represents a pro-rata, in-kind distribution by BCP VI and its affiliated funds and associated persons, without additional consideration, to their respective partners, members and assigns.

F7 · ownership.nature: Shares are held by limited partnerships controlled by Alexandre Balkanski.

SEC source: 0001104659-21-085337 · tm2120562-3_4seq1.xml · nonDerivative · entry 5

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 27,882

F5 · kind: Represents a pro-rata, in-kind distribution by BCP VI, BCP VII and their affiliated funds and associated persons, without additional consideration, to their respective partners, members and assigns.

F6 · ownership.nature: Shares are held by Steven M. Spurlock's family trust.

SEC source: 0001104659-21-085337 · tm2120562-3_4seq1.xml · nonDerivative · entry 4

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F4 · kind: Represents a pro-rata, in-kind distribution by BCP VI and its affiliated funds and associated persons, without additional consideration, to their respective partners, members and assigns.

F2 · ownership.nature: Shares are held by Benchmark Capital Partners VI, L.P. ("BCP VI"), as nominee for BCP VI, Benchmark Founders' Fund VI, L.P. ("BFF VI"), Benchmark Founders' Fund VI-B, L.P. ("BFF VI-B") and related persons. Benchmark Capital Management Co. VI, L.L.C. ("BCMC VI"), the general partner of each of BCP VI, BFF VI and BFF VI-B, may be deemed to have sole voting and investment power over such shares. Alexandre Balkanski, Matthew R. Cohler, Bruce W. Dunlevie, Peter H. Fenton, J. William Gurley, Kevin R. Harvey, Robert C. Kagle, Mitchell H. Lasky and Steven M. Spurlock, the managing members of BCMC VI, may be deemed to share voting and investment power over these shares beneficially held by such entities. Each such person and entity disclaims the existence of a "group" and disclaims beneficial ownership of any securities (except to the extent such person's or entity's pecuniary interest in such securities).

SEC source: 0001104659-21-085337 · tm2120562-3_4seq1.xml · nonDerivative · entry 3

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F3 · kind: Represents a pro-rata, in-kind distribution by BCP VII and its affiliated funds and associated persons, without additional consideration, to their respective partners, members and assigns.

F1 · ownership.nature: Shares are held by Benchmark Capital Partners VII, L.P. ("BCP VII"), as nominee for BCP VII, Benchmark Founders' Fund VII, L.P. ("BFF VII"), Benchmark Founders' Fund VII-B, L.P. ("BFF VII-B") and related persons. Benchmark Capital Management Co. VII, L.L.C. ("BCMC VII"), the general partner of each of BCP VII, BFF VII and BFF VII-B, may be deemed to have sole voting and investment power over such shares. Matthew R. Cohler, Bruce W. Dunlevie, Peter H. Fenton, J. William Gurley, Kevin R. Harvey, Mitchell H. Lasky, Steven M. Spurlock and Eric H. Vishria, the managing members of BCMC VII, may be deemed to share voting and investment power over these shares beneficially held by such entities. Each such person and entity disclaims the existence of a "group" and disclaims beneficial ownership of any securities (except to the extent such person's or entity's pecuniary interest in such securities).

SEC source: 0001104659-21-085337 · tm2120562-3_4seq1.xml · nonDerivative · entry 2

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 283,468

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

F2 · ownership.nature: Shares are held by Benchmark Capital Partners VI, L.P. ("BCP VI"), as nominee for BCP VI, Benchmark Founders' Fund VI, L.P. ("BFF VI"), Benchmark Founders' Fund VI-B, L.P. ("BFF VI-B") and related persons. Benchmark Capital Management Co. VI, L.L.C. ("BCMC VI"), the general partner of each of BCP VI, BFF VI and BFF VI-B, may be deemed to have sole voting and investment power over such shares. Alexandre Balkanski, Matthew R. Cohler, Bruce W. Dunlevie, Peter H. Fenton, J. William Gurley, Kevin R. Harvey, Robert C. Kagle, Mitchell H. Lasky and Steven M. Spurlock, the managing members of BCMC VI, may be deemed to share voting and investment power over these shares beneficially held by such entities. Each such person and entity disclaims the existence of a "group" and disclaims beneficial ownership of any securities (except to the extent such person's or entity's pecuniary interest in such securities).

SEC source: 0001104659-21-085337 · tm2120562-3_4seq1.xml · nonDerivative · entry 1

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,816,532

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

F1 · ownership.nature: Shares are held by Benchmark Capital Partners VII, L.P. ("BCP VII"), as nominee for BCP VII, Benchmark Founders' Fund VII, L.P. ("BFF VII"), Benchmark Founders' Fund VII-B, L.P. ("BFF VII-B") and related persons. Benchmark Capital Management Co. VII, L.L.C. ("BCMC VII"), the general partner of each of BCP VII, BFF VII and BFF VII-B, may be deemed to have sole voting and investment power over such shares. Matthew R. Cohler, Bruce W. Dunlevie, Peter H. Fenton, J. William Gurley, Kevin R. Harvey, Mitchell H. Lasky, Steven M. Spurlock and Eric H. Vishria, the managing members of BCMC VII, may be deemed to share voting and investment power over these shares beneficially held by such entities. Each such person and entity disclaims the existence of a "group" and disclaims beneficial ownership of any securities (except to the extent such person's or entity's pecuniary interest in such securities).

SEC source: 0001104659-21-085336 · tm2120562-2_4seq1.xml · derivative · entry 6

Benchmark Capital Management Co. VII, L.L.C. · CIK 0001611050 · 10% owner

Benchmark Capital Management Co. VI, L.L.C. · CIK 0001572569 · 10% owner

BENCHMARK CAPITAL PARTNERS VI LP · CIK 0001426303 · 10% owner

Benchmark Capital Partners VII, L.P. · CIK 0001507669 · 10% owner

BENCHMARK FOUNDERS FUND VI LP · CIK 0001432812 · 10% owner

Benchmark Founders Fund VI-B, L.P. · CIK 0001572570 · 10% owner

Benchmark Founders' Fund VII, L.P. · CIK 0001507661 · 10% owner

Benchmark Founders' Fund VII-B, L.P. · CIK 0001507670 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 853,407

Underlying: Class A Common Stock · 283,468 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.

F5 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock and has no expiration date. Class B Common Stock will convert automatically into Class A Common Stock on the earlier of (i) the date on which the number of outstanding shares of Class B Common Stock represents less than 10% of the aggregate combined number of outstanding shares of Class A Common Stock and Class B Common Stock; (ii) ten years following the effective date of the Issuer's initial public offering; or (iii) the date specified by vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F6 · derivative.exercise_price: In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock (i) upon any transfer, whether or not for value (subject to certain exceptions), or (ii) in the event of death or disability (as defined in the amended and restated certificate of incorporation of the Issuer) of the reporting person, shares of Class B Common Stock held by the reporting person or the reporting person's permitted estate planning entities will convert into Class A Common Stock.

F5 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock and has no expiration date. Class B Common Stock will convert automatically into Class A Common Stock on the earlier of (i) the date on which the number of outstanding shares of Class B Common Stock represents less than 10% of the aggregate combined number of outstanding shares of Class A Common Stock and Class B Common Stock; (ii) ten years following the effective date of the Issuer's initial public offering; or (iii) the date specified by vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F6 · derivative.exercise_date: In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock (i) upon any transfer, whether or not for value (subject to certain exceptions), or (ii) in the event of death or disability (as defined in the amended and restated certificate of incorporation of the Issuer) of the reporting person, shares of Class B Common Stock held by the reporting person or the reporting person's permitted estate planning entities will convert into Class A Common Stock.

F7 · derivative.expiration_date: Not applicable.

F2 · ownership.nature: Shares are held by Benchmark Capital Partners VI, L.P. ("BCP VI"), as nominee for BCP VI, Benchmark Founders' Fund VI, L.P. ("BFF VI"), Benchmark Founders' Fund VI-B, L.P. ("BFF VI-B") and related persons. Benchmark Capital Management Co. VI, L.L.C. ("BCMC VI"), the general partner of each of BCP VI, BFF VI and BFF VI-B, may be deemed to have sole voting and investment power over such shares. Alexandre Balkanski, Matthew R. Cohler, Bruce W. Dunlevie, Peter H. Fenton, J. William Gurley, Kevin R. Harvey, Robert C. Kagle, Mitchell H. Lasky and Steven M. Spurlock, the managing members of BCMC VI, may be deemed to share voting and investment power over these shares beneficially held by such entities. Each such person and entity disclaims the existence of a "group" and disclaims beneficial ownership of any securities (except to the extent such person's or entity's pecuniary interest in such securities).

SEC source: 0001104659-21-085336 · tm2120562-2_4seq1.xml · derivative · entry 5

Benchmark Capital Management Co. VII, L.L.C. · CIK 0001611050 · 10% owner

Benchmark Capital Management Co. VI, L.L.C. · CIK 0001572569 · 10% owner

BENCHMARK CAPITAL PARTNERS VI LP · CIK 0001426303 · 10% owner

Benchmark Capital Partners VII, L.P. · CIK 0001507669 · 10% owner

BENCHMARK FOUNDERS FUND VI LP · CIK 0001432812 · 10% owner

Benchmark Founders Fund VI-B, L.P. · CIK 0001572570 · 10% owner

Benchmark Founders' Fund VII, L.P. · CIK 0001507661 · 10% owner

Benchmark Founders' Fund VII-B, L.P. · CIK 0001507670 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 5,468,828

Underlying: Class A Common Stock · 1,816,532 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.

F5 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock and has no expiration date. Class B Common Stock will convert automatically into Class A Common Stock on the earlier of (i) the date on which the number of outstanding shares of Class B Common Stock represents less than 10% of the aggregate combined number of outstanding shares of Class A Common Stock and Class B Common Stock; (ii) ten years following the effective date of the Issuer's initial public offering; or (iii) the date specified by vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F6 · derivative.exercise_price: In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock (i) upon any transfer, whether or not for value (subject to certain exceptions), or (ii) in the event of death or disability (as defined in the amended and restated certificate of incorporation of the Issuer) of the reporting person, shares of Class B Common Stock held by the reporting person or the reporting person's permitted estate planning entities will convert into Class A Common Stock.

F5 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock and has no expiration date. Class B Common Stock will convert automatically into Class A Common Stock on the earlier of (i) the date on which the number of outstanding shares of Class B Common Stock represents less than 10% of the aggregate combined number of outstanding shares of Class A Common Stock and Class B Common Stock; (ii) ten years following the effective date of the Issuer's initial public offering; or (iii) the date specified by vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F6 · derivative.exercise_date: In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock (i) upon any transfer, whether or not for value (subject to certain exceptions), or (ii) in the event of death or disability (as defined in the amended and restated certificate of incorporation of the Issuer) of the reporting person, shares of Class B Common Stock held by the reporting person or the reporting person's permitted estate planning entities will convert into Class A Common Stock.

F7 · derivative.expiration_date: Not applicable.

F1 · ownership.nature: Shares are held by Benchmark Capital Partners VII, L.P. ("BCP VII"), as nominee for BCP VII, Benchmark Founders' Fund VII, L.P. ("BFF VII"), Benchmark Founders' Fund VII-B, L.P. ("BFF VII-B") and related persons. Benchmark Capital Management Co. VII, L.L.C. ("BCMC VII"), the general partner of each of BCP VII, BFF VII and BFF VII-B, may be deemed to have sole voting and investment power over such shares. Matthew R. Cohler, Bruce W. Dunlevie, Peter H. Fenton, J. William Gurley, Kevin R. Harvey, Mitchell H. Lasky, Steven M. Spurlock and Eric H. Vishria, the managing members of BCMC VII, may be deemed to share voting and investment power over these shares beneficially held by such entities. Each such person and entity disclaims the existence of a "group" and disclaims beneficial ownership of any securities (except to the extent such person's or entity's pecuniary interest in such securities).

SEC source: 0001104659-21-085336 · tm2120562-2_4seq1.xml · nonDerivative · entry 4

Benchmark Capital Management Co. VII, L.L.C. · CIK 0001611050 · 10% owner

Benchmark Capital Management Co. VI, L.L.C. · CIK 0001572569 · 10% owner

BENCHMARK CAPITAL PARTNERS VI LP · CIK 0001426303 · 10% owner

Benchmark Capital Partners VII, L.P. · CIK 0001507669 · 10% owner

BENCHMARK FOUNDERS FUND VI LP · CIK 0001432812 · 10% owner

Benchmark Founders Fund VI-B, L.P. · CIK 0001572570 · 10% owner

Benchmark Founders' Fund VII, L.P. · CIK 0001507661 · 10% owner

Benchmark Founders' Fund VII-B, L.P. · CIK 0001507670 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F4 · kind: Represents a pro-rata, in-kind distribution by BCP VI and its affiliated funds and associated persons, without additional consideration, to their respective partners, members and assigns.

F2 · ownership.nature: Shares are held by Benchmark Capital Partners VI, L.P. ("BCP VI"), as nominee for BCP VI, Benchmark Founders' Fund VI, L.P. ("BFF VI"), Benchmark Founders' Fund VI-B, L.P. ("BFF VI-B") and related persons. Benchmark Capital Management Co. VI, L.L.C. ("BCMC VI"), the general partner of each of BCP VI, BFF VI and BFF VI-B, may be deemed to have sole voting and investment power over such shares. Alexandre Balkanski, Matthew R. Cohler, Bruce W. Dunlevie, Peter H. Fenton, J. William Gurley, Kevin R. Harvey, Robert C. Kagle, Mitchell H. Lasky and Steven M. Spurlock, the managing members of BCMC VI, may be deemed to share voting and investment power over these shares beneficially held by such entities. Each such person and entity disclaims the existence of a "group" and disclaims beneficial ownership of any securities (except to the extent such person's or entity's pecuniary interest in such securities).

SEC source: 0001104659-21-085336 · tm2120562-2_4seq1.xml · nonDerivative · entry 3

Benchmark Capital Management Co. VII, L.L.C. · CIK 0001611050 · 10% owner

Benchmark Capital Management Co. VI, L.L.C. · CIK 0001572569 · 10% owner

BENCHMARK CAPITAL PARTNERS VI LP · CIK 0001426303 · 10% owner

Benchmark Capital Partners VII, L.P. · CIK 0001507669 · 10% owner

BENCHMARK FOUNDERS FUND VI LP · CIK 0001432812 · 10% owner

Benchmark Founders Fund VI-B, L.P. · CIK 0001572570 · 10% owner

Benchmark Founders' Fund VII, L.P. · CIK 0001507661 · 10% owner

Benchmark Founders' Fund VII-B, L.P. · CIK 0001507670 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F3 · kind: Represents a pro-rata, in-kind distribution by BCP VII and its affiliated funds and associated persons, without additional consideration, to their respective partners, members and assigns.

F1 · ownership.nature: Shares are held by Benchmark Capital Partners VII, L.P. ("BCP VII"), as nominee for BCP VII, Benchmark Founders' Fund VII, L.P. ("BFF VII"), Benchmark Founders' Fund VII-B, L.P. ("BFF VII-B") and related persons. Benchmark Capital Management Co. VII, L.L.C. ("BCMC VII"), the general partner of each of BCP VII, BFF VII and BFF VII-B, may be deemed to have sole voting and investment power over such shares. Matthew R. Cohler, Bruce W. Dunlevie, Peter H. Fenton, J. William Gurley, Kevin R. Harvey, Mitchell H. Lasky, Steven M. Spurlock and Eric H. Vishria, the managing members of BCMC VII, may be deemed to share voting and investment power over these shares beneficially held by such entities. Each such person and entity disclaims the existence of a "group" and disclaims beneficial ownership of any securities (except to the extent such person's or entity's pecuniary interest in such securities).

SEC source: 0001104659-21-085336 · tm2120562-2_4seq1.xml · nonDerivative · entry 2

Benchmark Capital Management Co. VII, L.L.C. · CIK 0001611050 · 10% owner

Benchmark Capital Management Co. VI, L.L.C. · CIK 0001572569 · 10% owner

BENCHMARK CAPITAL PARTNERS VI LP · CIK 0001426303 · 10% owner

Benchmark Capital Partners VII, L.P. · CIK 0001507669 · 10% owner

BENCHMARK FOUNDERS FUND VI LP · CIK 0001432812 · 10% owner

Benchmark Founders Fund VI-B, L.P. · CIK 0001572570 · 10% owner

Benchmark Founders' Fund VII, L.P. · CIK 0001507661 · 10% owner

Benchmark Founders' Fund VII-B, L.P. · CIK 0001507670 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 283,468

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

F2 · ownership.nature: Shares are held by Benchmark Capital Partners VI, L.P. ("BCP VI"), as nominee for BCP VI, Benchmark Founders' Fund VI, L.P. ("BFF VI"), Benchmark Founders' Fund VI-B, L.P. ("BFF VI-B") and related persons. Benchmark Capital Management Co. VI, L.L.C. ("BCMC VI"), the general partner of each of BCP VI, BFF VI and BFF VI-B, may be deemed to have sole voting and investment power over such shares. Alexandre Balkanski, Matthew R. Cohler, Bruce W. Dunlevie, Peter H. Fenton, J. William Gurley, Kevin R. Harvey, Robert C. Kagle, Mitchell H. Lasky and Steven M. Spurlock, the managing members of BCMC VI, may be deemed to share voting and investment power over these shares beneficially held by such entities. Each such person and entity disclaims the existence of a "group" and disclaims beneficial ownership of any securities (except to the extent such person's or entity's pecuniary interest in such securities).