Accel Growth Fund III L.P.

SEC source: 0001209191-23-003334 · doc4.xml · nonDerivative · entry 3

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Investors 2014 L.L.C.

Disclosed balance after: 0

F1 · price: On October 26, 2022, UserTesting, Inc., a Delaware corporation (the "Issuer" or the "Company") entered into the Agreement and Plan of Merger (the "Merger Agreement"), with Thunder Holdings, LLC, a Delaware limited liability company ("Parent"), and Thunder Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Parent ("Merger Sub"). Pursuant to the Merger Agreement, Merger Sub merged with and into the Company (such merger and the other transactions contemplated by the Merger Agreement, the "Merger") with the Company surviving the Merger as a wholly owned subsidiary of Parent. Upon the closing (the "Closing") of the Merger on January 12, 2023, each share of the Company's Common Stock, par value $0.0001 per share ("Common Stock"), was cancelled and automatically converted into the right to receive an amount in cash, without interest, equal to $7.50 (the "Merger Consideration"), less any applicable withholding taxes.

F4 · ownership.nature: The reported securities are held by Accel Growth Fund Investors 2014 L.L.C. ("Accel 2014"). Andrew Braccia, Sameer Gandhi, Ping Li, Tracy Sedlock, Ryan Sweeney and Richard Wong are the managing members of Accel 2014 and therefore may be deemed to share voting and dispositive power with regard to the securities held by Accel 2014. Each of such individuals disclaims beneficial ownership over the securities held by Accel 2014 except to the extent of such individual's pecuniary interest therein, if any, and this report shall not be deemed an admission that such entity or individual is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0001209191-23-003334 · doc4.xml · nonDerivative · entry 2

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund III Strategic Partners L.P.

Disclosed balance after: 0

F1 · price: On October 26, 2022, UserTesting, Inc., a Delaware corporation (the "Issuer" or the "Company") entered into the Agreement and Plan of Merger (the "Merger Agreement"), with Thunder Holdings, LLC, a Delaware limited liability company ("Parent"), and Thunder Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Parent ("Merger Sub"). Pursuant to the Merger Agreement, Merger Sub merged with and into the Company (such merger and the other transactions contemplated by the Merger Agreement, the "Merger") with the Company surviving the Merger as a wholly owned subsidiary of Parent. Upon the closing (the "Closing") of the Merger on January 12, 2023, each share of the Company's Common Stock, par value $0.0001 per share ("Common Stock"), was cancelled and automatically converted into the right to receive an amount in cash, without interest, equal to $7.50 (the "Merger Consideration"), less any applicable withholding taxes.

F3 · ownership.nature: The reported securities are held by the Accel Growth Fund III Strategic Partners L.P. ("Accel III Partners"). Accel Growth Associates has sole voting and dispositive power with regard to the securities held by Accel III Partners. Andrew Braccia, Sameer Gandhi, Ping Li, Tracy Sedlock, Ryan Sweeney and Richard Wong are the managing members of Accel Growth Associates and therefore may be deemed to also share voting and dispositive power with regard to the securities held by Accel III Partners. Each of Accel Growth Associates and each such individual disclaims beneficial ownership over the securities held by Accel III Partners except to the extent of its or such individual's pecuniary interest therein, if any, and this report shall not be deemed an admission that such entity or individual is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0001209191-23-003334 · doc4.xml · nonDerivative · entry 1

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund III L.P.

Disclosed balance after: 0

F1 · price: On October 26, 2022, UserTesting, Inc., a Delaware corporation (the "Issuer" or the "Company") entered into the Agreement and Plan of Merger (the "Merger Agreement"), with Thunder Holdings, LLC, a Delaware limited liability company ("Parent"), and Thunder Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Parent ("Merger Sub"). Pursuant to the Merger Agreement, Merger Sub merged with and into the Company (such merger and the other transactions contemplated by the Merger Agreement, the "Merger") with the Company surviving the Merger as a wholly owned subsidiary of Parent. Upon the closing (the "Closing") of the Merger on January 12, 2023, each share of the Company's Common Stock, par value $0.0001 per share ("Common Stock"), was cancelled and automatically converted into the right to receive an amount in cash, without interest, equal to $7.50 (the "Merger Consideration"), less any applicable withholding taxes.

F2 · ownership.nature: The reported securities are held by the Accel Growth Fund III L.P. ("Accel III"). Accel Growth Fund III Associates L.L.C. ("Accel Growth Associates") is the general partner of Accel III. Accel Growth Associates has sole voting and dispositive power with regard to the securities held by Accel III. Andrew Braccia, Sameer Gandhi, Ping Li, Tracy Sedlock, Ryan Sweeney and Richard Wong are the managing members of Accel Growth Associates and therefore may be deemed to also share voting and dispositive power with regard to the securities held by Accel III. Each of Accel Growth Associates and each such individual disclaims beneficial ownership over the securities held by Accel III except to the extent of its or such individual's pecuniary interest therein, if any, and this report shall not be deemed an admission that such entity or individual is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0001628280-21-024005 · wf-form4_163762175755524.xml · derivative · entry 24

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Investors 2014 L.L.C.

Disclosed balance after: 0

Underlying: Common Stock · 264,149 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F1 · derivative.exercise_date: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F1 · derivative.expiration_date: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F4 · ownership.nature: The reported securities are held by Accel Growth Fund Investors 2014 L.L.C. ("Accel 2014"). Andrew Braccia, Sameer Gandhi, Ping Li, TracySedlock, Ryan Sweeney and Richard Wong are the managing members of Accel 2014 and therefore may be deemed to share voting anddispositive power with regard to the securities held by Accel 2014. Each of such individuals disclaims beneficial ownership over the securitiesheld by Accel 2014 except to the extent of such individual's pecuniary interest therein, if any, and this report shall not be deemed an admissionthat such entity or individual is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0001628280-21-024005 · wf-form4_163762175755524.xml · derivative · entry 23

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Investors 2014 L.L.C.

Disclosed balance after: 0

Underlying: Common Stock · 171,287 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F1 · derivative.exercise_date: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F1 · derivative.expiration_date: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F4 · ownership.nature: The reported securities are held by Accel Growth Fund Investors 2014 L.L.C. ("Accel 2014"). Andrew Braccia, Sameer Gandhi, Ping Li, TracySedlock, Ryan Sweeney and Richard Wong are the managing members of Accel 2014 and therefore may be deemed to share voting anddispositive power with regard to the securities held by Accel 2014. Each of such individuals disclaims beneficial ownership over the securitiesheld by Accel 2014 except to the extent of such individual's pecuniary interest therein, if any, and this report shall not be deemed an admissionthat such entity or individual is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0001628280-21-024005 · wf-form4_163762175755524.xml · derivative · entry 22

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Investors 2014 L.L.C.

Disclosed balance after: 0

Underlying: Common Stock · 164,028 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F1 · derivative.exercise_date: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F1 · derivative.expiration_date: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F4 · ownership.nature: The reported securities are held by Accel Growth Fund Investors 2014 L.L.C. ("Accel 2014"). Andrew Braccia, Sameer Gandhi, Ping Li, TracySedlock, Ryan Sweeney and Richard Wong are the managing members of Accel 2014 and therefore may be deemed to share voting anddispositive power with regard to the securities held by Accel 2014. Each of such individuals disclaims beneficial ownership over the securitiesheld by Accel 2014 except to the extent of such individual's pecuniary interest therein, if any, and this report shall not be deemed an admissionthat such entity or individual is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0001628280-21-024005 · wf-form4_163762175755524.xml · derivative · entry 21

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Investors 2014 L.L.C.

Disclosed balance after: 0

Underlying: Common Stock · 1,171,254 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F1 · derivative.exercise_date: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F1 · derivative.expiration_date: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F4 · ownership.nature: The reported securities are held by Accel Growth Fund Investors 2014 L.L.C. ("Accel 2014"). Andrew Braccia, Sameer Gandhi, Ping Li, TracySedlock, Ryan Sweeney and Richard Wong are the managing members of Accel 2014 and therefore may be deemed to share voting anddispositive power with regard to the securities held by Accel 2014. Each of such individuals disclaims beneficial ownership over the securitiesheld by Accel 2014 except to the extent of such individual's pecuniary interest therein, if any, and this report shall not be deemed an admissionthat such entity or individual is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0001628280-21-024005 · wf-form4_163762175755524.xml · derivative · entry 20

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund III Strategic Partners LP

Disclosed balance after: 0

Underlying: Common Stock · 188,234 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F1 · derivative.exercise_date: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F1 · derivative.expiration_date: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F3 · ownership.nature: The reported securities are held by the Accel Growth Fund III Strategic Partners LP ("Accel III Partners"). Accel Growth Associates has solevoting and dispositive power with regard to the securities held by Accel III Partners. Andrew Braccia, Sameer Gandhi, Ping Li, Tracy Sedlock,Ryan Sweeney and Richard Wong are the managing members of Accel Growth Associates and therefore may be deemed to also share votingand dispositive power with regard to the securities held by Accel III Partners. Each of Accel Growth Associates and each such individualdisclaims beneficial ownership over the securities held by Accel III Partners except to the extent of its or such individual's pecuniary interesttherein, if any, and this report shall not be deemed an admission that such entity or individual is the beneficial owner of such securities forpurposes of Section 16 or any other purpose.

SEC source: 0001628280-21-024005 · wf-form4_163762175755524.xml · derivative · entry 19

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund III Strategic Partners LP

Disclosed balance after: 0

Underlying: Common Stock · 122,060 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F1 · derivative.exercise_date: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F1 · derivative.expiration_date: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F3 · ownership.nature: The reported securities are held by the Accel Growth Fund III Strategic Partners LP ("Accel III Partners"). Accel Growth Associates has solevoting and dispositive power with regard to the securities held by Accel III Partners. Andrew Braccia, Sameer Gandhi, Ping Li, Tracy Sedlock,Ryan Sweeney and Richard Wong are the managing members of Accel Growth Associates and therefore may be deemed to also share votingand dispositive power with regard to the securities held by Accel III Partners. Each of Accel Growth Associates and each such individualdisclaims beneficial ownership over the securities held by Accel III Partners except to the extent of its or such individual's pecuniary interesttherein, if any, and this report shall not be deemed an admission that such entity or individual is the beneficial owner of such securities forpurposes of Section 16 or any other purpose.

SEC source: 0001628280-21-024005 · wf-form4_163762175755524.xml · derivative · entry 18

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund III Strategic Partners LP

Disclosed balance after: 0

Underlying: Common Stock · 116,891 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F1 · derivative.exercise_date: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F1 · derivative.expiration_date: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F3 · ownership.nature: The reported securities are held by the Accel Growth Fund III Strategic Partners LP ("Accel III Partners"). Accel Growth Associates has solevoting and dispositive power with regard to the securities held by Accel III Partners. Andrew Braccia, Sameer Gandhi, Ping Li, Tracy Sedlock,Ryan Sweeney and Richard Wong are the managing members of Accel Growth Associates and therefore may be deemed to also share votingand dispositive power with regard to the securities held by Accel III Partners. Each of Accel Growth Associates and each such individualdisclaims beneficial ownership over the securities held by Accel III Partners except to the extent of its or such individual's pecuniary interesttherein, if any, and this report shall not be deemed an admission that such entity or individual is the beneficial owner of such securities forpurposes of Section 16 or any other purpose.

SEC source: 0001628280-21-024005 · wf-form4_163762175755524.xml · derivative · entry 17

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund III Strategic Partners LP

Disclosed balance after: 0

Underlying: Common Stock · 834,640 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F1 · derivative.exercise_date: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F1 · derivative.expiration_date: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F3 · ownership.nature: The reported securities are held by the Accel Growth Fund III Strategic Partners LP ("Accel III Partners"). Accel Growth Associates has solevoting and dispositive power with regard to the securities held by Accel III Partners. Andrew Braccia, Sameer Gandhi, Ping Li, Tracy Sedlock,Ryan Sweeney and Richard Wong are the managing members of Accel Growth Associates and therefore may be deemed to also share votingand dispositive power with regard to the securities held by Accel III Partners. Each of Accel Growth Associates and each such individualdisclaims beneficial ownership over the securities held by Accel III Partners except to the extent of its or such individual's pecuniary interesttherein, if any, and this report shall not be deemed an admission that such entity or individual is the beneficial owner of such securities forpurposes of Section 16 or any other purpose.

SEC source: 0001628280-21-024005 · wf-form4_163762175755524.xml · derivative · entry 16

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund III LP

Disclosed balance after: 0

Underlying: Common Stock · 3,987,103 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F1 · derivative.exercise_date: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F1 · derivative.expiration_date: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F2 · ownership.nature: The reported securities are held by the Accel Growth Fund III LP ("Accel III"). Accel Growth Fund III Associates L.L.C. ("Accel GrowthAssociates") is the general partner of Accel III. Accel Growth Associates has sole voting and dispositive power with regard to the securities heldby Accel III. Andrew Braccia, Sameer Gandhi, Ping Li, Tracy Sedlock, Ryan Sweeney and Richard Wong are the managing members of AccelGrowth Associates and therefore may be deemed to also share voting and dispositive power with regard to the securities held by Accel III. Eachof Accel Growth Associates and each such individual disclaims beneficial ownership over the securities held by Accel III except to the extent ofits or such individual's pecuniary interest therein, if any, and this report shall not be deemed an admission that such entity or individual is thebeneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0001628280-21-024005 · wf-form4_163762175755524.xml · derivative · entry 15

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund III LP

Disclosed balance after: 0

Underlying: Common Stock · 2,585,433 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F1 · derivative.exercise_date: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F1 · derivative.expiration_date: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F2 · ownership.nature: The reported securities are held by the Accel Growth Fund III LP ("Accel III"). Accel Growth Fund III Associates L.L.C. ("Accel GrowthAssociates") is the general partner of Accel III. Accel Growth Associates has sole voting and dispositive power with regard to the securities heldby Accel III. Andrew Braccia, Sameer Gandhi, Ping Li, Tracy Sedlock, Ryan Sweeney and Richard Wong are the managing members of AccelGrowth Associates and therefore may be deemed to also share voting and dispositive power with regard to the securities held by Accel III. Eachof Accel Growth Associates and each such individual disclaims beneficial ownership over the securities held by Accel III except to the extent ofits or such individual's pecuniary interest therein, if any, and this report shall not be deemed an admission that such entity or individual is thebeneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0001628280-21-024005 · wf-form4_163762175755524.xml · derivative · entry 14

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund III LP

Disclosed balance after: 0

Underlying: Common Stock · 2,475,925 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F1 · derivative.exercise_date: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F1 · derivative.expiration_date: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F2 · ownership.nature: The reported securities are held by the Accel Growth Fund III LP ("Accel III"). Accel Growth Fund III Associates L.L.C. ("Accel GrowthAssociates") is the general partner of Accel III. Accel Growth Associates has sole voting and dispositive power with regard to the securities heldby Accel III. Andrew Braccia, Sameer Gandhi, Ping Li, Tracy Sedlock, Ryan Sweeney and Richard Wong are the managing members of AccelGrowth Associates and therefore may be deemed to also share voting and dispositive power with regard to the securities held by Accel III. Eachof Accel Growth Associates and each such individual disclaims beneficial ownership over the securities held by Accel III except to the extent ofits or such individual's pecuniary interest therein, if any, and this report shall not be deemed an admission that such entity or individual is thebeneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0001628280-21-024005 · wf-form4_163762175755524.xml · derivative · entry 13

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund III LP

Disclosed balance after: 0

Underlying: Common Stock · 17,679,037 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F1 · derivative.exercise_date: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F1 · derivative.expiration_date: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F2 · ownership.nature: The reported securities are held by the Accel Growth Fund III LP ("Accel III"). Accel Growth Fund III Associates L.L.C. ("Accel GrowthAssociates") is the general partner of Accel III. Accel Growth Associates has sole voting and dispositive power with regard to the securities heldby Accel III. Andrew Braccia, Sameer Gandhi, Ping Li, Tracy Sedlock, Ryan Sweeney and Richard Wong are the managing members of AccelGrowth Associates and therefore may be deemed to also share voting and dispositive power with regard to the securities held by Accel III. Eachof Accel Growth Associates and each such individual disclaims beneficial ownership over the securities held by Accel III except to the extent ofits or such individual's pecuniary interest therein, if any, and this report shall not be deemed an admission that such entity or individual is thebeneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0001628280-21-024005 · wf-form4_163762175755524.xml · nonDerivative · entry 12

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Investors 2014 LLC

Disclosed balance after: 1,770,718

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

F1 · price: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F4 · ownership.nature: The reported securities are held by Accel Growth Fund Investors 2014 L.L.C. ("Accel 2014"). Andrew Braccia, Sameer Gandhi, Ping Li, TracySedlock, Ryan Sweeney and Richard Wong are the managing members of Accel 2014 and therefore may be deemed to share voting anddispositive power with regard to the securities held by Accel 2014. Each of such individuals disclaims beneficial ownership over the securitiesheld by Accel 2014 except to the extent of such individual's pecuniary interest therein, if any, and this report shall not be deemed an admissionthat such entity or individual is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0001628280-21-024005 · wf-form4_163762175755524.xml · nonDerivative · entry 11

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Investors 2014 LLC

Disclosed balance after: 1,506,569

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

F1 · price: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F4 · ownership.nature: The reported securities are held by Accel Growth Fund Investors 2014 L.L.C. ("Accel 2014"). Andrew Braccia, Sameer Gandhi, Ping Li, TracySedlock, Ryan Sweeney and Richard Wong are the managing members of Accel 2014 and therefore may be deemed to share voting anddispositive power with regard to the securities held by Accel 2014. Each of such individuals disclaims beneficial ownership over the securitiesheld by Accel 2014 except to the extent of such individual's pecuniary interest therein, if any, and this report shall not be deemed an admissionthat such entity or individual is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0001628280-21-024005 · wf-form4_163762175755524.xml · nonDerivative · entry 10

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Investors 2014 LLC

Disclosed balance after: 1,335,282

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

F1 · price: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F4 · ownership.nature: The reported securities are held by Accel Growth Fund Investors 2014 L.L.C. ("Accel 2014"). Andrew Braccia, Sameer Gandhi, Ping Li, TracySedlock, Ryan Sweeney and Richard Wong are the managing members of Accel 2014 and therefore may be deemed to share voting anddispositive power with regard to the securities held by Accel 2014. Each of such individuals disclaims beneficial ownership over the securitiesheld by Accel 2014 except to the extent of such individual's pecuniary interest therein, if any, and this report shall not be deemed an admissionthat such entity or individual is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0001628280-21-024005 · wf-form4_163762175755524.xml · nonDerivative · entry 9

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Investors 2014 LLC

Disclosed balance after: 1,171,254

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

F1 · price: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F4 · ownership.nature: The reported securities are held by Accel Growth Fund Investors 2014 L.L.C. ("Accel 2014"). Andrew Braccia, Sameer Gandhi, Ping Li, TracySedlock, Ryan Sweeney and Richard Wong are the managing members of Accel 2014 and therefore may be deemed to share voting anddispositive power with regard to the securities held by Accel 2014. Each of such individuals disclaims beneficial ownership over the securitiesheld by Accel 2014 except to the extent of such individual's pecuniary interest therein, if any, and this report shall not be deemed an admissionthat such entity or individual is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0001628280-21-024005 · wf-form4_163762175755524.xml · nonDerivative · entry 8

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund III Strategic Partners LP

Disclosed balance after: 1,261,825

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

F1 · price: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F3 · ownership.nature: The reported securities are held by the Accel Growth Fund III Strategic Partners LP ("Accel III Partners"). Accel Growth Associates has solevoting and dispositive power with regard to the securities held by Accel III Partners. Andrew Braccia, Sameer Gandhi, Ping Li, Tracy Sedlock,Ryan Sweeney and Richard Wong are the managing members of Accel Growth Associates and therefore may be deemed to also share votingand dispositive power with regard to the securities held by Accel III Partners. Each of Accel Growth Associates and each such individualdisclaims beneficial ownership over the securities held by Accel III Partners except to the extent of its or such individual's pecuniary interesttherein, if any, and this report shall not be deemed an admission that such entity or individual is the beneficial owner of such securities forpurposes of Section 16 or any other purpose.

SEC source: 0001628280-21-024005 · wf-form4_163762175755524.xml · nonDerivative · entry 7

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund III Strategic Partners LP

Disclosed balance after: 1,073,591

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

F1 · price: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F3 · ownership.nature: The reported securities are held by the Accel Growth Fund III Strategic Partners LP ("Accel III Partners"). Accel Growth Associates has solevoting and dispositive power with regard to the securities held by Accel III Partners. Andrew Braccia, Sameer Gandhi, Ping Li, Tracy Sedlock,Ryan Sweeney and Richard Wong are the managing members of Accel Growth Associates and therefore may be deemed to also share votingand dispositive power with regard to the securities held by Accel III Partners. Each of Accel Growth Associates and each such individualdisclaims beneficial ownership over the securities held by Accel III Partners except to the extent of its or such individual's pecuniary interesttherein, if any, and this report shall not be deemed an admission that such entity or individual is the beneficial owner of such securities forpurposes of Section 16 or any other purpose.

SEC source: 0001628280-21-024005 · wf-form4_163762175755524.xml · nonDerivative · entry 6

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund III Strategic Partners LP

Disclosed balance after: 951,531

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

F1 · price: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F3 · ownership.nature: The reported securities are held by the Accel Growth Fund III Strategic Partners LP ("Accel III Partners"). Accel Growth Associates has solevoting and dispositive power with regard to the securities held by Accel III Partners. Andrew Braccia, Sameer Gandhi, Ping Li, Tracy Sedlock,Ryan Sweeney and Richard Wong are the managing members of Accel Growth Associates and therefore may be deemed to also share votingand dispositive power with regard to the securities held by Accel III Partners. Each of Accel Growth Associates and each such individualdisclaims beneficial ownership over the securities held by Accel III Partners except to the extent of its or such individual's pecuniary interesttherein, if any, and this report shall not be deemed an admission that such entity or individual is the beneficial owner of such securities forpurposes of Section 16 or any other purpose.

SEC source: 0001628280-21-024005 · wf-form4_163762175755524.xml · nonDerivative · entry 5

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund III Strategic Partners LP

Disclosed balance after: 834,640

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

F1 · price: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F3 · ownership.nature: The reported securities are held by the Accel Growth Fund III Strategic Partners LP ("Accel III Partners"). Accel Growth Associates has solevoting and dispositive power with regard to the securities held by Accel III Partners. Andrew Braccia, Sameer Gandhi, Ping Li, Tracy Sedlock,Ryan Sweeney and Richard Wong are the managing members of Accel Growth Associates and therefore may be deemed to also share votingand dispositive power with regard to the securities held by Accel III Partners. Each of Accel Growth Associates and each such individualdisclaims beneficial ownership over the securities held by Accel III Partners except to the extent of its or such individual's pecuniary interesttherein, if any, and this report shall not be deemed an admission that such entity or individual is the beneficial owner of such securities forpurposes of Section 16 or any other purpose.

SEC source: 0001628280-21-024005 · wf-form4_163762175755524.xml · nonDerivative · entry 4

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund III LP

Disclosed balance after: 26,727,498

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

F1 · price: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F2 · ownership.nature: The reported securities are held by the Accel Growth Fund III LP ("Accel III"). Accel Growth Fund III Associates L.L.C. ("Accel GrowthAssociates") is the general partner of Accel III. Accel Growth Associates has sole voting and dispositive power with regard to the securities heldby Accel III. Andrew Braccia, Sameer Gandhi, Ping Li, Tracy Sedlock, Ryan Sweeney and Richard Wong are the managing members of AccelGrowth Associates and therefore may be deemed to also share voting and dispositive power with regard to the securities held by Accel III. Eachof Accel Growth Associates and each such individual disclaims beneficial ownership over the securities held by Accel III except to the extent ofits or such individual's pecuniary interest therein, if any, and this report shall not be deemed an admission that such entity or individual is thebeneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0001628280-21-024005 · wf-form4_163762175755524.xml · nonDerivative · entry 3

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund III LP

Disclosed balance after: 22,740,395

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

F1 · price: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F2 · ownership.nature: The reported securities are held by the Accel Growth Fund III LP ("Accel III"). Accel Growth Fund III Associates L.L.C. ("Accel GrowthAssociates") is the general partner of Accel III. Accel Growth Associates has sole voting and dispositive power with regard to the securities heldby Accel III. Andrew Braccia, Sameer Gandhi, Ping Li, Tracy Sedlock, Ryan Sweeney and Richard Wong are the managing members of AccelGrowth Associates and therefore may be deemed to also share voting and dispositive power with regard to the securities held by Accel III. Eachof Accel Growth Associates and each such individual disclaims beneficial ownership over the securities held by Accel III except to the extent ofits or such individual's pecuniary interest therein, if any, and this report shall not be deemed an admission that such entity or individual is thebeneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0001628280-21-024005 · wf-form4_163762175755524.xml · nonDerivative · entry 2

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund III LP

Disclosed balance after: 20,154,962

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

F1 · price: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F2 · ownership.nature: The reported securities are held by the Accel Growth Fund III LP ("Accel III"). Accel Growth Fund III Associates L.L.C. ("Accel GrowthAssociates") is the general partner of Accel III. Accel Growth Associates has sole voting and dispositive power with regard to the securities heldby Accel III. Andrew Braccia, Sameer Gandhi, Ping Li, Tracy Sedlock, Ryan Sweeney and Richard Wong are the managing members of AccelGrowth Associates and therefore may be deemed to also share voting and dispositive power with regard to the securities held by Accel III. Eachof Accel Growth Associates and each such individual disclaims beneficial ownership over the securities held by Accel III except to the extent ofits or such individual's pecuniary interest therein, if any, and this report shall not be deemed an admission that such entity or individual is thebeneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0001628280-21-024005 · wf-form4_163762175755524.xml · nonDerivative · entry 1

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund III LP

Disclosed balance after: 17,679,037

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

F1 · price: Each share of the Issuer's Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stockautomatically converted into one (1) share of the Issuer's Common Stock, for no additional consideration, immediately prior to the closing of theIssuer's initial public offering of Common Stock (the "IPO") and had no expiration date.

F2 · ownership.nature: The reported securities are held by the Accel Growth Fund III LP ("Accel III"). Accel Growth Fund III Associates L.L.C. ("Accel GrowthAssociates") is the general partner of Accel III. Accel Growth Associates has sole voting and dispositive power with regard to the securities heldby Accel III. Andrew Braccia, Sameer Gandhi, Ping Li, Tracy Sedlock, Ryan Sweeney and Richard Wong are the managing members of AccelGrowth Associates and therefore may be deemed to also share voting and dispositive power with regard to the securities held by Accel III. Eachof Accel Growth Associates and each such individual disclaims beneficial ownership over the securities held by Accel III except to the extent ofits or such individual's pecuniary interest therein, if any, and this report shall not be deemed an admission that such entity or individual is thebeneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0000899243-20-017412 · doc4.xml · derivative · entry 9

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Investors 2014 L.L.C.

Disclosed balance after: 491,114

Underlying: Class A Common Stock · 245,378 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F6 · ownership.nature: These shares are held by Accel Growth Fund Investors 2014 L.L.C.

SEC source: 0000899243-20-017412 · doc4.xml · derivative · entry 8

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund III Strategic Partners L.P.

Disclosed balance after: 349,969

Underlying: Class A Common Stock · 174,858 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F4 · ownership.nature: These shares are held by Accel Growth Fund III Strategic Partners L.P. Accel Growth Fund III GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-20-017412 · doc4.xml · derivative · entry 7

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,412,791

Underlying: Class A Common Stock · 3,703,796 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · ownership.direct: These shares are held by Accel Growth Fund III L.P. Accel Growth Fund III Associates L.L.C. ("Accel Growth Fund III GP") is the general partner of each of Accel Growth Fund III L.P. and Accel Growth Fund III Strategic Partners L.P. (together, the "Accel Growth Fund III Entities"). Accel Growth Fund III GP has sole voting and dispositive power with regard to the shares held by the Accel Growth Fund III Entities. Accel Growth Fund III GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-20-017412 · doc4.xml · nonDerivative · entry 6

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Investors 2014 L.L.C.

Disclosed balance after: 0

F7 · kind: On June 18, 2020, Accel Growth Fund Investors 2014 L.L.C. distributed, for no consideration, 490,875 shares of Class A common stock of the Issuer (the "Accel Growth Fund 2014 Shares") to its members, representing each such member's pro rata interest in such Accel Growth Fund 2014 Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: These shares are held by Accel Growth Fund Investors 2014 L.L.C.

SEC source: 0000899243-20-017412 · doc4.xml · nonDerivative · entry 5

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Investors 2014 L.L.C.

Disclosed balance after: 490,875

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

F1 · price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F6 · ownership.nature: These shares are held by Accel Growth Fund Investors 2014 L.L.C.

SEC source: 0000899243-20-017412 · doc4.xml · nonDerivative · entry 4

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund III Strategic Partners L.P.

Disclosed balance after: 0

F5 · kind: On June 18, 2020, Accel Growth Fund III Strategic Partners L.P. distributed, for no consideration, 349,800 shares of Class A common stock of the Issuer (the "Accel Growth Fund III Strategic Shares") to its limited partners and to Accel Growth Fund III GP, the general partner of Accel Growth Fund III Strategic Partners L.P., representing each such partner's pro rata interest in such Accel Growth Fund III Strategic Shares. On the same date, Accel Growth Fund III GP distributed, for no consideration, the Accel Growth Fund III Strategic Shares it received in the distribution by the Fund to its members, representing each such member's pro rata interest in such Accel Growth Fund III Strategic Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F4 · ownership.nature: These shares are held by Accel Growth Fund III Strategic Partners L.P. Accel Growth Fund III GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-20-017412 · doc4.xml · nonDerivative · entry 3

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund III Strategic Partners L.P.

Disclosed balance after: 349,800

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

F1 · price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F4 · ownership.nature: These shares are held by Accel Growth Fund III Strategic Partners L.P. Accel Growth Fund III GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-20-017412 · doc4.xml · nonDerivative · entry 2

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F3 · kind: On June 18, 2020, Accel Growth Fund III L.P. distributed, for no consideration, 7,409,325 shares of Class A common stock of the Issuer (the "Accel Growth Fund III Shares") to its limited partners and to Accel Growth Fund III GP, the general partner of Accel Growth Fund III L.P., representing each such partner's pro rata interest in such Accel Growth Fund III Shares. On the same date, Accel Growth Fund III GP distributed, for no consideration, the Accel Growth Fund III Shares it received in the distribution by Accel Growth Fund III L.P. to its members, representing each such member's pro rata interest in such Accel Growth Fund III Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F2 · ownership.direct: These shares are held by Accel Growth Fund III L.P. Accel Growth Fund III Associates L.L.C. ("Accel Growth Fund III GP") is the general partner of each of Accel Growth Fund III L.P. and Accel Growth Fund III Strategic Partners L.P. (together, the "Accel Growth Fund III Entities"). Accel Growth Fund III GP has sole voting and dispositive power with regard to the shares held by the Accel Growth Fund III Entities. Accel Growth Fund III GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-20-017412 · doc4.xml · nonDerivative · entry 1

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,409,325

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

F1 · price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · ownership.direct: These shares are held by Accel Growth Fund III L.P. Accel Growth Fund III Associates L.L.C. ("Accel Growth Fund III GP") is the general partner of each of Accel Growth Fund III L.P. and Accel Growth Fund III Strategic Partners L.P. (together, the "Accel Growth Fund III Entities"). Accel Growth Fund III GP has sole voting and dispositive power with regard to the shares held by the Accel Growth Fund III Entities. Accel Growth Fund III GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-19-061121 · doc4.xml · nonDerivative · entry 3

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Investors 2014 L.L.C.

Disclosed balance after: 286,648

F5 · kind: On December 16, 2019, Accel Growth Fund Investors 2014 L.L.C. distributed, for no consideration, 178,500 shares of common stock of the Issuer (the "Accel 2014 Shares") to its members, representing each such member's pro rata interest in such Accel 2014 Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: These shares are held by Accel Growth Fund Investors 2014 L.L.C.

SEC source: 0001209191-19-061121 · doc4.xml · nonDerivative · entry 2

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund III Strategic Partners L.P.

Disclosed balance after: 204,267

F3 · kind: On December 16, 2019, Accel Growth Fund III Strategic Partners L.P. distributed, for no consideration, 127,200 shares of common stock of the Issuer (the "Accel Strategic III Shares") to its limited partners and to Accel III GP, the general partner of Accel Growth Fund III Strategic Partners L.P., representing each such partner's pro rata interest in such Accel Strategic III Shares. On the same date, Accel III GP distributed, for no consideration, the Accel Strategic III Shares it received in the distribution by Accel Growth Fund III Strategic Partners L.P. to its members, representing each such member's pro rata interest in such Accel Strategic III Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F4 · ownership.nature: These shares are held by Accel Growth Fund III Strategic Partners L.P. Accel III GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-19-061121 · doc4.xml · nonDerivative · entry 1

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,326,710

F1 · kind: On December 16, 2019, Accel Growth Fund III L.P. distributed, for no consideration, 2,694,300 shares of common stock of the Issuer (the "Accel III Shares") to its limited partners and to Accel Growth Fund III Associates L.L.C. ("Accel III GP"), the general partner of Accel Growth Fund III L.P., representing each such partner's pro rata interest in such Accel III Shares. On the same date, Accel III GP distributed, for no consideration, the Accel III Shares it received in the distribution by Accel Growth Fund III L.P. to its members, representing each such member's pro rata interest in such Accel III Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F2 · ownership.direct: These shares are held by Accel Growth Fund III L.P. Accel III GP is the general partner of each of Accel Growth Fund III L.P. and Accel Growth Fund III Strategic Partners L.P. (together, the "Accel III Entities"). Accel III GP has sole voting and dispositive power with regard to the shares held by the Accel III Entities. Accel III GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-19-061223 · doc4a.xml · nonDerivative · entry 3

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Investors 2014 L.L.C.

Disclosed balance after: 286,648

F5 · kind: On December 16, 2019, Accel Growth Fund Investors 2014 L.L.C. distributed, for no consideration, 178,500 shares of common stock of the Issuer (the "Accel 2014 Shares") to its members, representing each such member's pro rata interest in such Accel 2014 Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: These shares are held by Accel Growth Fund Investors 2014 L.L.C.

SEC source: 0001209191-19-061223 · doc4a.xml · nonDerivative · entry 2

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund III Strategic Partners L.P.

Disclosed balance after: 204,267

F3 · kind: On December 16, 2019, Accel Growth Fund III Strategic Partners L.P. distributed, for no consideration, 127,200 shares of common stock of the Issuer (the "Accel Strategic III Shares") to its limited partners and to Accel III GP, the general partner of Accel Growth Fund III Strategic Partners L.P., representing each such partner's pro rata interest in such Accel Strategic III Shares. On the same date, Accel III GP distributed, for no consideration, the Accel Strategic III Shares it received in the distribution by Accel Growth Fund III Strategic Partners L.P. to its members, representing each such member's pro rata interest in such Accel Strategic III Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F4 · ownership.nature: These shares are held by Accel Growth Fund III Strategic Partners L.P. Accel III GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-19-061223 · doc4a.xml · nonDerivative · entry 1

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,326,710

F1 · kind: On December 16, 2019, Accel Growth Fund III L.P. distributed, for no consideration, 2,694,300 shares of common stock of the Issuer (the "Accel III Shares") to its limited partners and to Accel Growth Fund III Associates L.L.C. ("Accel III GP"), the general partner of Accel Growth Fund III L.P., representing each such partner's pro rata interest in such Accel III Shares. On the same date, Accel III GP distributed, for no consideration, the Accel III Shares it received in the distribution by Accel Growth Fund III L.P. to its members, representing each such member's pro rata interest in such Accel III Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F2 · ownership.direct: These shares are held by Accel Growth Fund III L.P. Accel III GP is the general partner of each of Accel Growth Fund III L.P. and Accel Growth Fund III Strategic Partners L.P. (together, the "Accel III Entities"). Accel III GP has sole voting and dispositive power with regard to the shares held by the Accel III Entities. Accel III GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-19-059714 · doc4.xml · nonDerivative · entry 9

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund Investors 2012 L.L.C. · CIK 0001531135 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Investors 2014 L.L.C.

Disclosed balance after: 465,148

F14 · kind: On December 6, 2019, Accel Growth Fund Investors 2014 L.L.C. distributed, for no consideration, 51,551 shares of common stock of the Issuer (the "Accel 2014 Shares") to its members, representing each such member's pro rata interest in such Accel 2014 Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F15 · ownership.nature: These shares are held by Accel Growth Fund Investors 2014 L.L.C.

SEC source: 0001209191-19-059714 · doc4.xml · nonDerivative · entry 8

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund Investors 2012 L.L.C. · CIK 0001531135 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund III Strategic Partners L.P.

Disclosed balance after: 331,467

F12 · kind: On December 6, 2019, Accel Growth Fund III Strategic Partners L.P. distributed, for no consideration, 36,735 shares of common stock of the Issuer (the "Accel Strategic III Shares") to its limited partners and to Accel III GP, the general partner of Accel Growth Fund III Strategic Partners L.P., representing each such partner's pro rata interest in such Accel Strategic III Shares. On the same date, Accel III GP distributed, for no consideration, the Accel Strategic III Shares it received in the distribution by Accel Growth Fund III Strategic Partners L.P. to its members, representing each such member's pro rata interest in such Accel Strategic III Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F13 · ownership.nature: These shares are held by Accel Growth Fund III Strategic Partners L.P. Accel III GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-19-059714 · doc4.xml · nonDerivative · entry 7

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund Investors 2012 L.L.C. · CIK 0001531135 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund III L.P.

Disclosed balance after: 7,021,010

F10 · kind: On December 6, 2019, Accel Growth Fund III L.P. distributed, for no consideration, 778,112 shares of common stock of the Issuer (the "Accel III Shares") to its limited partners and to Accel Growth Fund III Associates L.L.C. ("Accel III GP"), the general partner of Accel Growth Fund III L.P., representing each such partner's pro rata interest in such Accel III Shares. On the same date, Accel III GP distributed, for no consideration, the Accel III Shares it received in the distribution by Accel Growth Fund III L.P. to its members, representing each such member's pro rata interest in such Accel III Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F11 · ownership.nature: These shares are held by Accel Growth Fund III L.P. Accel III GP is the general partner of each of Accel Growth Fund III L.P. and Accel Growth Fund III Strategic Partners L.P. (together, the "Accel III Entities"). Accel III GP has sole voting and dispositive power with regard to the shares held by the Accel III Entities. Accel III GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-19-059714 · doc4.xml · nonDerivative · entry 6

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund Investors 2012 L.L.C. · CIK 0001531135 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Investors 2012 L.L.C.

Disclosed balance after: 0

F9 · kind: On December 6, 2019, Accel Growth Fund Investors 2012 L.L.C. distributed, for no consideration, 135,912 shares of common stock of the Issuer (the "Accel 2012 Shares") to its members, representing each such member's pro rata interest in such Accel 2012 Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: These shares are held by Accel Growth Fund Investors 2012 L.L.C.

SEC source: 0001209191-19-059714 · doc4.xml · nonDerivative · entry 5

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund Investors 2012 L.L.C. · CIK 0001531135 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund II Strategic Partners L.P.

Disclosed balance after: 0

F8 · kind: On December 6, 2019, Accel Growth Fund II Strategic Partners L.P. distributed, for no consideration, 101,118 shares of common stock of the Issuer (the "Accel Strategic Shares") to its limited partners and to Accel II GP, the general partner of Accel Growth Fund II Strategic Partners L.P., representing each such partner's pro rata interest in such Accel Strategic Shares. On the same date, Accel II GP distributed, for no consideration, the Accel Strategic Shares it received in the distribution by Accel Growth Fund II Strategic Partners L.P. to its members, representing each such member's pro rata interest in such Accel Strategic Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F4 · ownership.nature: These shares are held by Accel Growth Fund II Strategic Partners L.P. Accel II GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-19-059714 · doc4.xml · nonDerivative · entry 4

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund Investors 2012 L.L.C. · CIK 0001531135 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F7 · kind: On December 6, 2019, Accel Growth Fund II L.P. distributed, for no consideration, 1,396,572 shares of common stock of the Issuer (the "Accel II Shares") to its limited partners and to Accel Growth Fund II Associates L.L.C. ("Accel II GP"), the general partner of Accel Growth Fund II L.P., representing each such partner's pro rata interest in such Accel II Shares. On the same date, Accel II GP distributed, for no consideration, the Accel II Shares it received in the distribution by Accel Growth Fund II L.P. to its members, representing each such member's pro rata interest in such Accel II Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001209191-19-059714 · doc4.xml · nonDerivative · entry 3

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund Investors 2012 L.L.C. · CIK 0001531135 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Investors 2012 L.L.C.

Disclosed balance after: 135,912

F5 · kind: On December 5, 2019, Accel Growth Fund Investors 2012 L.L.C. distributed, for no consideration, 203,872 shares of common stock of the Issuer (the "Accel 2012 Shares") to its members, representing each such member's pro rata interest in such Accel 2012 Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: These shares are held by Accel Growth Fund Investors 2012 L.L.C.

SEC source: 0001209191-19-059714 · doc4.xml · nonDerivative · entry 2

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund Investors 2012 L.L.C. · CIK 0001531135 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund II Strategic Partners L.P.

Disclosed balance after: 101,118

F3 · kind: On December 5, 2019, Accel Growth Fund II Strategic Partners L.P. distributed, for no consideration, 151,677 shares of common stock of the Issuer (the "Accel Strategic Shares") to its limited partners and to Accel II GP, the general partner of Accel Growth Fund II Strategic Partners L.P., representing each such partner's pro rata interest in such Accel Strategic Shares. On the same date, Accel II GP distributed, for no consideration, the Accel Strategic Shares it received in the distribution by Accel Growth Fund II Strategic Partners L.P. to its members, representing each such member's pro rata interest in such Accel Strategic Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F4 · ownership.nature: These shares are held by Accel Growth Fund II Strategic Partners L.P. Accel II GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.