HIND

SEC source: 0001209191-16-145725 · doc4.xml · derivative · entry 11

Stevenson Sharon · CIK 0001683904 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Okapi Ventures II, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 161,504 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.

F4 · derivative.exercise_price: Each share of the issuer's Series C Preferred Stock automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F4 · price: Each share of the issuer's Series C Preferred Stock automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F4 · derivative.exercise_date: Each share of the issuer's Series C Preferred Stock automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F4 · derivative.expiration_date: Each share of the issuer's Series C Preferred Stock automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F5 · ownership.nature: These securities are held of record by Okapi Ventures II, L.P. ("OVII"). Okapi Venture Partners II, LLC ("OVIILLC") is the general partner of OVII. The reporting person is a managing director of OVIILLC, and shares voting and investment power over the securities. The reporting person disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Exchange Act, except to the extent of her pecuniary interest therein, if any. This report shall not be deemed an admission that the reporting person is a beneficial owner of these securities for the purposes of Section 16 of the Exchange Act, or for any other purposes.

SEC source: 0001209191-16-145725 · doc4.xml · derivative · entry 10

Stevenson Sharon · CIK 0001683904 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Okapi Ventures, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 40,995 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.

F4 · derivative.exercise_price: Each share of the issuer's Series C Preferred Stock automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F4 · price: Each share of the issuer's Series C Preferred Stock automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F4 · derivative.exercise_date: Each share of the issuer's Series C Preferred Stock automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F4 · derivative.expiration_date: Each share of the issuer's Series C Preferred Stock automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F2 · ownership.nature: These securities are held of record by Okapi Ventures, L.P. ("OV"). Okapi Venture Partners, LLC ("OVLLC") is the general partner of OV. The reporting person is a managing director of OVLLC, and shares voting and investment power over the securities. The reporting person disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of her pecuniary interest therein, if any. This report shall not be deemed an admission that the reporting person is a beneficial owner of these securities for the purposes of Section 16 of the Exchange Act, or for any other purposes.

SEC source: 0001209191-16-145725 · doc4.xml · derivative · entry 9

Stevenson Sharon · CIK 0001683904 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Okapi Ventures, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 266,829 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.

F3 · derivative.exercise_price: Each share of the issuer's Series B Preferred Stock automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F3 · price: Each share of the issuer's Series B Preferred Stock automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F3 · derivative.exercise_date: Each share of the issuer's Series B Preferred Stock automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F3 · derivative.expiration_date: Each share of the issuer's Series B Preferred Stock automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F2 · ownership.nature: These securities are held of record by Okapi Ventures, L.P. ("OV"). Okapi Venture Partners, LLC ("OVLLC") is the general partner of OV. The reporting person is a managing director of OVLLC, and shares voting and investment power over the securities. The reporting person disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of her pecuniary interest therein, if any. This report shall not be deemed an admission that the reporting person is a beneficial owner of these securities for the purposes of Section 16 of the Exchange Act, or for any other purposes.

SEC source: 0001209191-16-145725 · doc4.xml · derivative · entry 8

Stevenson Sharon · CIK 0001683904 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Okapi Ventures, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 190,780 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 A Preferred Stock automatically converted into 1.327844907 shares of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its firm commitment initial public offering (the "IPO") pursuant to a registration statement on Form S-1 (File No. 333-213551) under the Securities Act of 1933, as amended (the "Registration Statement"), and had no expiration date.

F1 · price: Each share of the issuer's Series A Preferred Stock automatically converted into 1.327844907 shares of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its firm commitment initial public offering (the "IPO") pursuant to a registration statement on Form S-1 (File No. 333-213551) under the Securities Act of 1933, as amended (the "Registration Statement"), and had no expiration date.

F1 · derivative.exercise_date: Each share of the issuer's Series A Preferred Stock automatically converted into 1.327844907 shares of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its firm commitment initial public offering (the "IPO") pursuant to a registration statement on Form S-1 (File No. 333-213551) under the Securities Act of 1933, as amended (the "Registration Statement"), and had no expiration date.

F1 · derivative.expiration_date: Each share of the issuer's Series A Preferred Stock automatically converted into 1.327844907 shares of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its firm commitment initial public offering (the "IPO") pursuant to a registration statement on Form S-1 (File No. 333-213551) under the Securities Act of 1933, as amended (the "Registration Statement"), and had no expiration date.

F2 · ownership.nature: These securities are held of record by Okapi Ventures, L.P. ("OV"). Okapi Venture Partners, LLC ("OVLLC") is the general partner of OV. The reporting person is a managing director of OVLLC, and shares voting and investment power over the securities. The reporting person disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of her pecuniary interest therein, if any. This report shall not be deemed an admission that the reporting person is a beneficial owner of these securities for the purposes of Section 16 of the Exchange Act, or for any other purposes.

SEC source: 0001209191-16-145725 · doc4.xml · nonDerivative · entry 7

Stevenson Sharon · CIK 0001683904 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Okapi Ventures II, L.P.

Disclosed balance after: 341,235

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

F7 · price: Each share of the issuer's Series E Preferred Stock automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F5 · ownership.nature: These securities are held of record by Okapi Ventures II, L.P. ("OVII"). Okapi Venture Partners II, LLC ("OVIILLC") is the general partner of OVII. The reporting person is a managing director of OVIILLC, and shares voting and investment power over the securities. The reporting person disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Exchange Act, except to the extent of her pecuniary interest therein, if any. This report shall not be deemed an admission that the reporting person is a beneficial owner of these securities for the purposes of Section 16 of the Exchange Act, or for any other purposes.

SEC source: 0001209191-16-145725 · doc4.xml · nonDerivative · entry 6

Stevenson Sharon · CIK 0001683904 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Okapi Ventures, L.P.

Disclosed balance after: 546,233

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

F7 · price: Each share of the issuer's Series E Preferred Stock automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F2 · ownership.nature: These securities are held of record by Okapi Ventures, L.P. ("OV"). Okapi Venture Partners, LLC ("OVLLC") is the general partner of OV. The reporting person is a managing director of OVLLC, and shares voting and investment power over the securities. The reporting person disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of her pecuniary interest therein, if any. This report shall not be deemed an admission that the reporting person is a beneficial owner of these securities for the purposes of Section 16 of the Exchange Act, or for any other purposes.

SEC source: 0001209191-16-145725 · doc4.xml · nonDerivative · entry 5

Stevenson Sharon · CIK 0001683904 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Okapi Ventures II, L.P.

Disclosed balance after: 280,945

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

F6 · price: Each share of the issuer's Series D Preferred Stock automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F5 · ownership.nature: These securities are held of record by Okapi Ventures II, L.P. ("OVII"). Okapi Venture Partners II, LLC ("OVIILLC") is the general partner of OVII. The reporting person is a managing director of OVIILLC, and shares voting and investment power over the securities. The reporting person disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Exchange Act, except to the extent of her pecuniary interest therein, if any. This report shall not be deemed an admission that the reporting person is a beneficial owner of these securities for the purposes of Section 16 of the Exchange Act, or for any other purposes.

SEC source: 0001209191-16-145725 · doc4.xml · nonDerivative · entry 4

Stevenson Sharon · CIK 0001683904 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Okapi Ventures II, L.P.

Disclosed balance after: 161,504

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.

F4 · price: Each share of the issuer's Series C Preferred Stock automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F5 · ownership.nature: These securities are held of record by Okapi Ventures II, L.P. ("OVII"). Okapi Venture Partners II, LLC ("OVIILLC") is the general partner of OVII. The reporting person is a managing director of OVIILLC, and shares voting and investment power over the securities. The reporting person disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Exchange Act, except to the extent of her pecuniary interest therein, if any. This report shall not be deemed an admission that the reporting person is a beneficial owner of these securities for the purposes of Section 16 of the Exchange Act, or for any other purposes.

SEC source: 0001209191-16-145725 · doc4.xml · nonDerivative · entry 3

Stevenson Sharon · CIK 0001683904 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Okapi Ventures, L.P.

Disclosed balance after: 498,604

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.

F4 · price: Each share of the issuer's Series C Preferred Stock automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F2 · ownership.nature: These securities are held of record by Okapi Ventures, L.P. ("OV"). Okapi Venture Partners, LLC ("OVLLC") is the general partner of OV. The reporting person is a managing director of OVLLC, and shares voting and investment power over the securities. The reporting person disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of her pecuniary interest therein, if any. This report shall not be deemed an admission that the reporting person is a beneficial owner of these securities for the purposes of Section 16 of the Exchange Act, or for any other purposes.

SEC source: 0001209191-16-145725 · doc4.xml · nonDerivative · entry 2

Stevenson Sharon · CIK 0001683904 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Okapi Ventures, L.P.

Disclosed balance after: 457,609

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

F3 · price: Each share of the issuer's Series B Preferred Stock automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F2 · ownership.nature: These securities are held of record by Okapi Ventures, L.P. ("OV"). Okapi Venture Partners, LLC ("OVLLC") is the general partner of OV. The reporting person is a managing director of OVLLC, and shares voting and investment power over the securities. The reporting person disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of her pecuniary interest therein, if any. This report shall not be deemed an admission that the reporting person is a beneficial owner of these securities for the purposes of Section 16 of the Exchange Act, or for any other purposes.

SEC source: 0001209191-16-145725 · doc4.xml · nonDerivative · entry 1

Stevenson Sharon · CIK 0001683904 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Okapi Ventures, L.P.

Disclosed balance after: 190,780

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 A Preferred Stock automatically converted into 1.327844907 shares of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its firm commitment initial public offering (the "IPO") pursuant to a registration statement on Form S-1 (File No. 333-213551) under the Securities Act of 1933, as amended (the "Registration Statement"), and had no expiration date.

F2 · ownership.nature: These securities are held of record by Okapi Ventures, L.P. ("OV"). Okapi Venture Partners, LLC ("OVLLC") is the general partner of OV. The reporting person is a managing director of OVLLC, and shares voting and investment power over the securities. The reporting person disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of her pecuniary interest therein, if any. This report shall not be deemed an admission that the reporting person is a beneficial owner of these securities for the purposes of Section 16 of the Exchange Act, or for any other purposes.

SEC source: 0001209191-16-145722 · doc4.xml · derivative · entry 6

INTERWEST PARTNERS X LP · CIK 0001443898 · 10% owner

InterWest Management Partners X, LLC · CIK 0001460207 · 10% owner

GIANOS PHILIP T · CIK 0001207831 · 10% owner

Holmes W Stephen · CIK 0001293923 · 10% owner

Kliman Gilbert H · CIK 0001293171 · 10% owner

ORONSKY ARNOLD L · CIK 0001207833 · 10% owner

Desai Keval · CIK 0001553019 · 10% owner

NASR KHALED · CIK 0001276600 · 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

Underlying: Common Stock · 373,803 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.

F4 · derivative.exercise_price: Each share of the issuer's Series E Preferred Stock automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F4 · price: Each share of the issuer's Series E Preferred Stock automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F4 · derivative.exercise_date: Each share of the issuer's Series E Preferred Stock automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F4 · derivative.expiration_date: Each share of the issuer's Series E Preferred Stock automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F2 · ownership.direct: These securities are held of record by InterWest Partners X, L.P. ("IW10"). InterWest Management Partners X, LLC ("IMP10") is the general partner of IW10. Philip T. Gianos, W. Stephen Holmes, Gilbert H. Kliman and Arnold L. Oronsky are the managing directors of IMP10, and Keval Desai and Khalad A. Nasr are venture members of IMP10. Each of the reporting persons disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its or his pecuniary interest therein, if any. The reporting persons have designated a representative, currently Doug Fisher, a consultant of InterWest Venture Management Co., to serve on the issuer's board of directors. This report shall not be deemed an admission that any of the reporting persons is a beneficial owner of such securities for the purposes of Section 16 of the Exchange Act, or for any other purposes.

SEC source: 0001209191-16-145722 · doc4.xml · derivative · entry 5

INTERWEST PARTNERS X LP · CIK 0001443898 · 10% owner

InterWest Management Partners X, LLC · CIK 0001460207 · 10% owner

GIANOS PHILIP T · CIK 0001207831 · 10% owner

Holmes W Stephen · CIK 0001293923 · 10% owner

Kliman Gilbert H · CIK 0001293171 · 10% owner

ORONSKY ARNOLD L · CIK 0001207833 · 10% owner

Desai Keval · CIK 0001553019 · 10% owner

NASR KHALED · CIK 0001276600 · 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

Underlying: Common Stock · 464,494 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.

F3 · derivative.exercise_price: Each share of the issuer's Series D Preferred Stock automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F3 · price: Each share of the issuer's Series D Preferred Stock automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F3 · derivative.exercise_date: Each share of the issuer's Series D Preferred Stock automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F3 · derivative.expiration_date: Each share of the issuer's Series D Preferred Stock automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F2 · ownership.direct: These securities are held of record by InterWest Partners X, L.P. ("IW10"). InterWest Management Partners X, LLC ("IMP10") is the general partner of IW10. Philip T. Gianos, W. Stephen Holmes, Gilbert H. Kliman and Arnold L. Oronsky are the managing directors of IMP10, and Keval Desai and Khalad A. Nasr are venture members of IMP10. Each of the reporting persons disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its or his pecuniary interest therein, if any. The reporting persons have designated a representative, currently Doug Fisher, a consultant of InterWest Venture Management Co., to serve on the issuer's board of directors. This report shall not be deemed an admission that any of the reporting persons is a beneficial owner of such securities for the purposes of Section 16 of the Exchange Act, or for any other purposes.

SEC source: 0001209191-16-145722 · doc4.xml · derivative · entry 4

INTERWEST PARTNERS X LP · CIK 0001443898 · 10% owner

InterWest Management Partners X, LLC · CIK 0001460207 · 10% owner

GIANOS PHILIP T · CIK 0001207831 · 10% owner

Holmes W Stephen · CIK 0001293923 · 10% owner

Kliman Gilbert H · CIK 0001293171 · 10% owner

ORONSKY ARNOLD L · CIK 0001207833 · 10% owner

Desai Keval · CIK 0001553019 · 10% owner

NASR KHALED · CIK 0001276600 · 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

Underlying: Common Stock · 1,615,041 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 automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its firm commitment initial public offering (the "IPO") pursuant to a registration statement on Form S-1 (File No. 333-213551) under the Securities Act of 1933, as amended (the "Registration Statement"), and had no expiration date.

F1 · price: Each share of the issuer's Series C Preferred Stock automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its firm commitment initial public offering (the "IPO") pursuant to a registration statement on Form S-1 (File No. 333-213551) under the Securities Act of 1933, as amended (the "Registration Statement"), and had no expiration date.

F1 · derivative.exercise_date: Each share of the issuer's Series C Preferred Stock automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its firm commitment initial public offering (the "IPO") pursuant to a registration statement on Form S-1 (File No. 333-213551) under the Securities Act of 1933, as amended (the "Registration Statement"), and had no expiration date.

F1 · derivative.expiration_date: Each share of the issuer's Series C Preferred Stock automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its firm commitment initial public offering (the "IPO") pursuant to a registration statement on Form S-1 (File No. 333-213551) under the Securities Act of 1933, as amended (the "Registration Statement"), and had no expiration date.

F2 · ownership.direct: These securities are held of record by InterWest Partners X, L.P. ("IW10"). InterWest Management Partners X, LLC ("IMP10") is the general partner of IW10. Philip T. Gianos, W. Stephen Holmes, Gilbert H. Kliman and Arnold L. Oronsky are the managing directors of IMP10, and Keval Desai and Khalad A. Nasr are venture members of IMP10. Each of the reporting persons disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its or his pecuniary interest therein, if any. The reporting persons have designated a representative, currently Doug Fisher, a consultant of InterWest Venture Management Co., to serve on the issuer's board of directors. This report shall not be deemed an admission that any of the reporting persons is a beneficial owner of such securities for the purposes of Section 16 of the Exchange Act, or for any other purposes.

SEC source: 0001209191-16-145722 · doc4.xml · nonDerivative · entry 3

INTERWEST PARTNERS X LP · CIK 0001443898 · 10% owner

InterWest Management Partners X, LLC · CIK 0001460207 · 10% owner

GIANOS PHILIP T · CIK 0001207831 · 10% owner

Holmes W Stephen · CIK 0001293923 · 10% owner

Kliman Gilbert H · CIK 0001293171 · 10% owner

ORONSKY ARNOLD L · CIK 0001207833 · 10% owner

Desai Keval · CIK 0001553019 · 10% owner

NASR KHALED · CIK 0001276600 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,453,338

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.

F4 · price: Each share of the issuer's Series E Preferred Stock automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F2 · ownership.direct: These securities are held of record by InterWest Partners X, L.P. ("IW10"). InterWest Management Partners X, LLC ("IMP10") is the general partner of IW10. Philip T. Gianos, W. Stephen Holmes, Gilbert H. Kliman and Arnold L. Oronsky are the managing directors of IMP10, and Keval Desai and Khalad A. Nasr are venture members of IMP10. Each of the reporting persons disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its or his pecuniary interest therein, if any. The reporting persons have designated a representative, currently Doug Fisher, a consultant of InterWest Venture Management Co., to serve on the issuer's board of directors. This report shall not be deemed an admission that any of the reporting persons is a beneficial owner of such securities for the purposes of Section 16 of the Exchange Act, or for any other purposes.

SEC source: 0001209191-16-145722 · doc4.xml · nonDerivative · entry 2

INTERWEST PARTNERS X LP · CIK 0001443898 · 10% owner

InterWest Management Partners X, LLC · CIK 0001460207 · 10% owner

GIANOS PHILIP T · CIK 0001207831 · 10% owner

Holmes W Stephen · CIK 0001293923 · 10% owner

Kliman Gilbert H · CIK 0001293171 · 10% owner

ORONSKY ARNOLD L · CIK 0001207833 · 10% owner

Desai Keval · CIK 0001553019 · 10% owner

NASR KHALED · CIK 0001276600 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,079,535

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

F3 · price: Each share of the issuer's Series D Preferred Stock automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F2 · ownership.direct: These securities are held of record by InterWest Partners X, L.P. ("IW10"). InterWest Management Partners X, LLC ("IMP10") is the general partner of IW10. Philip T. Gianos, W. Stephen Holmes, Gilbert H. Kliman and Arnold L. Oronsky are the managing directors of IMP10, and Keval Desai and Khalad A. Nasr are venture members of IMP10. Each of the reporting persons disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its or his pecuniary interest therein, if any. The reporting persons have designated a representative, currently Doug Fisher, a consultant of InterWest Venture Management Co., to serve on the issuer's board of directors. This report shall not be deemed an admission that any of the reporting persons is a beneficial owner of such securities for the purposes of Section 16 of the Exchange Act, or for any other purposes.

SEC source: 0001209191-16-145722 · doc4.xml · nonDerivative · entry 1

INTERWEST PARTNERS X LP · CIK 0001443898 · 10% owner

InterWest Management Partners X, LLC · CIK 0001460207 · 10% owner

GIANOS PHILIP T · CIK 0001207831 · 10% owner

Holmes W Stephen · CIK 0001293923 · 10% owner

Kliman Gilbert H · CIK 0001293171 · 10% owner

ORONSKY ARNOLD L · CIK 0001207833 · 10% owner

Desai Keval · CIK 0001553019 · 10% owner

NASR KHALED · CIK 0001276600 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,615,041

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 automatically converted into 1 share of the issuer's Common Stock on October 12, 2016 in connection with the closing of the issuer's sale of its Common Stock in its firm commitment initial public offering (the "IPO") pursuant to a registration statement on Form S-1 (File No. 333-213551) under the Securities Act of 1933, as amended (the "Registration Statement"), and had no expiration date.

F2 · ownership.direct: These securities are held of record by InterWest Partners X, L.P. ("IW10"). InterWest Management Partners X, LLC ("IMP10") is the general partner of IW10. Philip T. Gianos, W. Stephen Holmes, Gilbert H. Kliman and Arnold L. Oronsky are the managing directors of IMP10, and Keval Desai and Khalad A. Nasr are venture members of IMP10. Each of the reporting persons disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its or his pecuniary interest therein, if any. The reporting persons have designated a representative, currently Doug Fisher, a consultant of InterWest Venture Management Co., to serve on the issuer's board of directors. This report shall not be deemed an admission that any of the reporting persons is a beneficial owner of such securities for the purposes of Section 16 of the Exchange Act, or for any other purposes.

SEC source: 0000904454-16-001502 · edgar.xml · derivative · entry 4

DP VII ASSOCIATES LP · CIK 0001372932 · 10% owner

BLAIR JAMES C · CIK 0001024000 · 10% owner

DOVEY BRIAN H · CIK 0001207786 · 10% owner

TREU JESSE I · CIK 0001013425 · 10% owner

VITULLO NICOLE · CIK 0001196863 · 10% owner

Halak Brian K · CIK 0001354718 · 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

Underlying: Common Stock · 14,271 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.

F3 · derivative.exercise_price: All outstanding shares of the Issuer's preferred stock automatically converted into Common Stock upon the closing of the Issuer's initial public offering for no additional consideration. The preferred stock had no expiration date.

F3 · derivative.exercise_date: All outstanding shares of the Issuer's preferred stock automatically converted into Common Stock upon the closing of the Issuer's initial public offering for no additional consideration. The preferred stock had no expiration date.

F3 · derivative.expiration_date: All outstanding shares of the Issuer's preferred stock automatically converted into Common Stock upon the closing of the Issuer's initial public offering for no additional consideration. The preferred stock had no expiration date.

F1 · ownership.direct: The securities reported as directly beneficially owned by the designated Reporting Person may be deemed to be indirectly beneficially owned by each of the Reporting Owners listed below, each of whom is a managing member of One Palmer Square Associates VII, LLC, the sole general partner of the designated Reporting Person. Pursuant to Instruction 4(b)(iv) of Form 4, each such individual has elected to report as indirectly beneficially owned the entire number of securities owned by the designated Reporting Person, however each of them disclaims beneficial ownership of any securities, and any proceeds thereof, that exceed his or her pecuniary interest therein and/or that are not actually distributed to him or her.

F2 · ownership.direct: As managing members of the sole general partner of Domain Partners VII, L.P., each Reporting Owner listed below may also be deemed to indirectly beneficially own the securities of the Issuer held by Domain Partners VII, L.P., as reported on a Form 4 for Domain Partners VII, L.P. filed on the same date as this Form 4.

SEC source: 0000904454-16-001502 · edgar.xml · derivative · entry 3

DP VII ASSOCIATES LP · CIK 0001372932 · 10% owner

BLAIR JAMES C · CIK 0001024000 · 10% owner

DOVEY BRIAN H · CIK 0001207786 · 10% owner

TREU JESSE I · CIK 0001013425 · 10% owner

VITULLO NICOLE · CIK 0001196863 · 10% owner

Halak Brian K · CIK 0001354718 · 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

Underlying: Common Stock · 20,583 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.

F3 · derivative.exercise_price: All outstanding shares of the Issuer's preferred stock automatically converted into Common Stock upon the closing of the Issuer's initial public offering for no additional consideration. The preferred stock had no expiration date.

F3 · derivative.exercise_date: All outstanding shares of the Issuer's preferred stock automatically converted into Common Stock upon the closing of the Issuer's initial public offering for no additional consideration. The preferred stock had no expiration date.

F3 · derivative.expiration_date: All outstanding shares of the Issuer's preferred stock automatically converted into Common Stock upon the closing of the Issuer's initial public offering for no additional consideration. The preferred stock had no expiration date.

F1 · ownership.direct: The securities reported as directly beneficially owned by the designated Reporting Person may be deemed to be indirectly beneficially owned by each of the Reporting Owners listed below, each of whom is a managing member of One Palmer Square Associates VII, LLC, the sole general partner of the designated Reporting Person. Pursuant to Instruction 4(b)(iv) of Form 4, each such individual has elected to report as indirectly beneficially owned the entire number of securities owned by the designated Reporting Person, however each of them disclaims beneficial ownership of any securities, and any proceeds thereof, that exceed his or her pecuniary interest therein and/or that are not actually distributed to him or her.

F2 · ownership.direct: As managing members of the sole general partner of Domain Partners VII, L.P., each Reporting Owner listed below may also be deemed to indirectly beneficially own the securities of the Issuer held by Domain Partners VII, L.P., as reported on a Form 4 for Domain Partners VII, L.P. filed on the same date as this Form 4.

SEC source: 0000904454-16-001502 · edgar.xml · derivative · entry 2

DP VII ASSOCIATES LP · CIK 0001372932 · 10% owner

BLAIR JAMES C · CIK 0001024000 · 10% owner

DOVEY BRIAN H · CIK 0001207786 · 10% owner

TREU JESSE I · CIK 0001013425 · 10% owner

VITULLO NICOLE · CIK 0001196863 · 10% owner

Halak Brian K · CIK 0001354718 · 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

Underlying: Common Stock · 14,716 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.

F3 · derivative.exercise_price: All outstanding shares of the Issuer's preferred stock automatically converted into Common Stock upon the closing of the Issuer's initial public offering for no additional consideration. The preferred stock had no expiration date.

F3 · derivative.exercise_date: All outstanding shares of the Issuer's preferred stock automatically converted into Common Stock upon the closing of the Issuer's initial public offering for no additional consideration. The preferred stock had no expiration date.

F3 · derivative.expiration_date: All outstanding shares of the Issuer's preferred stock automatically converted into Common Stock upon the closing of the Issuer's initial public offering for no additional consideration. The preferred stock had no expiration date.

F1 · ownership.direct: The securities reported as directly beneficially owned by the designated Reporting Person may be deemed to be indirectly beneficially owned by each of the Reporting Owners listed below, each of whom is a managing member of One Palmer Square Associates VII, LLC, the sole general partner of the designated Reporting Person. Pursuant to Instruction 4(b)(iv) of Form 4, each such individual has elected to report as indirectly beneficially owned the entire number of securities owned by the designated Reporting Person, however each of them disclaims beneficial ownership of any securities, and any proceeds thereof, that exceed his or her pecuniary interest therein and/or that are not actually distributed to him or her.

F2 · ownership.direct: As managing members of the sole general partner of Domain Partners VII, L.P., each Reporting Owner listed below may also be deemed to indirectly beneficially own the securities of the Issuer held by Domain Partners VII, L.P., as reported on a Form 4 for Domain Partners VII, L.P. filed on the same date as this Form 4.

SEC source: 0000904454-16-001502 · edgar.xml · nonDerivative · entry 1

DP VII ASSOCIATES LP · CIK 0001372932 · 10% owner

BLAIR JAMES C · CIK 0001024000 · 10% owner

DOVEY BRIAN H · CIK 0001207786 · 10% owner

TREU JESSE I · CIK 0001013425 · 10% owner

VITULLO NICOLE · CIK 0001196863 · 10% owner

Halak Brian K · CIK 0001354718 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,570

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

F3 · price: All outstanding shares of the Issuer's preferred stock automatically converted into Common Stock upon the closing of the Issuer's initial public offering for no additional consideration. The preferred stock had no expiration date.

F1 · ownership.direct: The securities reported as directly beneficially owned by the designated Reporting Person may be deemed to be indirectly beneficially owned by each of the Reporting Owners listed below, each of whom is a managing member of One Palmer Square Associates VII, LLC, the sole general partner of the designated Reporting Person. Pursuant to Instruction 4(b)(iv) of Form 4, each such individual has elected to report as indirectly beneficially owned the entire number of securities owned by the designated Reporting Person, however each of them disclaims beneficial ownership of any securities, and any proceeds thereof, that exceed his or her pecuniary interest therein and/or that are not actually distributed to him or her.

F2 · ownership.direct: As managing members of the sole general partner of Domain Partners VII, L.P., each Reporting Owner listed below may also be deemed to indirectly beneficially own the securities of the Issuer held by Domain Partners VII, L.P., as reported on a Form 4 for Domain Partners VII, L.P. filed on the same date as this Form 4.

SEC source: 0000904454-16-001500 · edgar.xml · derivative · entry 6

DOMAIN PARTERS VII L P · CIK 0001374150 · 10% owner

BLAIR JAMES C · CIK 0001024000 · 10% owner

DOVEY BRIAN H · CIK 0001207786 · 10% owner

TREU JESSE I · CIK 0001013425 · 10% owner

VITULLO NICOLE · CIK 0001196863 · 10% owner

Halak Brian K · CIK 0001354718 · 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

Underlying: Common Stock · 482,326 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.

F3 · derivative.exercise_price: All outstanding shares of the Issuer's preferred stock automatically converted into Common Stock upon the closing of the Issuer's initial public offering for no additional consideration. The preferred stock had no expiration date.

F3 · derivative.exercise_date: All outstanding shares of the Issuer's preferred stock automatically converted into Common Stock upon the closing of the Issuer's initial public offering for no additional consideration. The preferred stock had no expiration date.

F3 · derivative.expiration_date: All outstanding shares of the Issuer's preferred stock automatically converted into Common Stock upon the closing of the Issuer's initial public offering for no additional consideration. The preferred stock had no expiration date.

F1 · ownership.direct: The securities reported as directly beneficially owned by the designated Reporting Person may be deemed to be indirectly beneficially owned by each of the Reporting Owners listed below, each of whom is a managing member of One Palmer Square Associates VII, LLC, the sole general partner of the designated Reporting Person. Pursuant to Instruction 4(b)(iv) of Form 4, each such individual has elected to report as indirectly beneficially owned the entire number of securities owned by the designated Reporting Person, however each of them disclaims beneficial ownership of any securities, and any proceeds thereof, that exceed his or her pecuniary interest therein and/or that are not actually distributed to him or her.

F2 · ownership.direct: As managing members of the sole general partner of DP VII Associates, L.P., each Reporting Owner listed below may also be deemed to indirectly beneficially own the securities of the Issuer held by DP VII Associates, L.P., as reported on a Form 4 for DP VII Associates, L.P. filed on the same date as this Form 4.

SEC source: 0000904454-16-001500 · edgar.xml · derivative · entry 5

DOMAIN PARTERS VII L P · CIK 0001374150 · 10% owner

BLAIR JAMES C · CIK 0001024000 · 10% owner

DOVEY BRIAN H · CIK 0001207786 · 10% owner

TREU JESSE I · CIK 0001013425 · 10% owner

VITULLO NICOLE · CIK 0001196863 · 10% owner

Halak Brian K · CIK 0001354718 · 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

Underlying: Common Stock · 597,207 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.

F3 · derivative.exercise_price: All outstanding shares of the Issuer's preferred stock automatically converted into Common Stock upon the closing of the Issuer's initial public offering for no additional consideration. The preferred stock had no expiration date.

F3 · derivative.exercise_date: All outstanding shares of the Issuer's preferred stock automatically converted into Common Stock upon the closing of the Issuer's initial public offering for no additional consideration. The preferred stock had no expiration date.

F3 · derivative.expiration_date: All outstanding shares of the Issuer's preferred stock automatically converted into Common Stock upon the closing of the Issuer's initial public offering for no additional consideration. The preferred stock had no expiration date.

F1 · ownership.direct: The securities reported as directly beneficially owned by the designated Reporting Person may be deemed to be indirectly beneficially owned by each of the Reporting Owners listed below, each of whom is a managing member of One Palmer Square Associates VII, LLC, the sole general partner of the designated Reporting Person. Pursuant to Instruction 4(b)(iv) of Form 4, each such individual has elected to report as indirectly beneficially owned the entire number of securities owned by the designated Reporting Person, however each of them disclaims beneficial ownership of any securities, and any proceeds thereof, that exceed his or her pecuniary interest therein and/or that are not actually distributed to him or her.

F2 · ownership.direct: As managing members of the sole general partner of DP VII Associates, L.P., each Reporting Owner listed below may also be deemed to indirectly beneficially own the securities of the Issuer held by DP VII Associates, L.P., as reported on a Form 4 for DP VII Associates, L.P. filed on the same date as this Form 4.

SEC source: 0000904454-16-001500 · edgar.xml · derivative · entry 4

DOMAIN PARTERS VII L P · CIK 0001374150 · 10% owner

BLAIR JAMES C · CIK 0001024000 · 10% owner

DOVEY BRIAN H · CIK 0001207786 · 10% owner

TREU JESSE I · CIK 0001013425 · 10% owner

VITULLO NICOLE · CIK 0001196863 · 10% owner

Halak Brian K · CIK 0001354718 · 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

Underlying: Common Stock · 836,722 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.

F3 · derivative.exercise_price: All outstanding shares of the Issuer's preferred stock automatically converted into Common Stock upon the closing of the Issuer's initial public offering for no additional consideration. The preferred stock had no expiration date.

F3 · derivative.exercise_date: All outstanding shares of the Issuer's preferred stock automatically converted into Common Stock upon the closing of the Issuer's initial public offering for no additional consideration. The preferred stock had no expiration date.

F3 · derivative.expiration_date: All outstanding shares of the Issuer's preferred stock automatically converted into Common Stock upon the closing of the Issuer's initial public offering for no additional consideration. The preferred stock had no expiration date.

F1 · ownership.direct: The securities reported as directly beneficially owned by the designated Reporting Person may be deemed to be indirectly beneficially owned by each of the Reporting Owners listed below, each of whom is a managing member of One Palmer Square Associates VII, LLC, the sole general partner of the designated Reporting Person. Pursuant to Instruction 4(b)(iv) of Form 4, each such individual has elected to report as indirectly beneficially owned the entire number of securities owned by the designated Reporting Person, however each of them disclaims beneficial ownership of any securities, and any proceeds thereof, that exceed his or her pecuniary interest therein and/or that are not actually distributed to him or her.

F2 · ownership.direct: As managing members of the sole general partner of DP VII Associates, L.P., each Reporting Owner listed below may also be deemed to indirectly beneficially own the securities of the Issuer held by DP VII Associates, L.P., as reported on a Form 4 for DP VII Associates, L.P. filed on the same date as this Form 4.

SEC source: 0000904454-16-001500 · edgar.xml · derivative · entry 3

DOMAIN PARTERS VII L P · CIK 0001374150 · 10% owner

BLAIR JAMES C · CIK 0001024000 · 10% owner

DOVEY BRIAN H · CIK 0001207786 · 10% owner

TREU JESSE I · CIK 0001013425 · 10% owner

VITULLO NICOLE · CIK 0001196863 · 10% owner

Halak Brian K · CIK 0001354718 · 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

Underlying: Common Stock · 1,206,836 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.

F3 · derivative.exercise_price: All outstanding shares of the Issuer's preferred stock automatically converted into Common Stock upon the closing of the Issuer's initial public offering for no additional consideration. The preferred stock had no expiration date.

F3 · derivative.exercise_date: All outstanding shares of the Issuer's preferred stock automatically converted into Common Stock upon the closing of the Issuer's initial public offering for no additional consideration. The preferred stock had no expiration date.

F3 · derivative.expiration_date: All outstanding shares of the Issuer's preferred stock automatically converted into Common Stock upon the closing of the Issuer's initial public offering for no additional consideration. The preferred stock had no expiration date.

F1 · ownership.direct: The securities reported as directly beneficially owned by the designated Reporting Person may be deemed to be indirectly beneficially owned by each of the Reporting Owners listed below, each of whom is a managing member of One Palmer Square Associates VII, LLC, the sole general partner of the designated Reporting Person. Pursuant to Instruction 4(b)(iv) of Form 4, each such individual has elected to report as indirectly beneficially owned the entire number of securities owned by the designated Reporting Person, however each of them disclaims beneficial ownership of any securities, and any proceeds thereof, that exceed his or her pecuniary interest therein and/or that are not actually distributed to him or her.

F2 · ownership.direct: As managing members of the sole general partner of DP VII Associates, L.P., each Reporting Owner listed below may also be deemed to indirectly beneficially own the securities of the Issuer held by DP VII Associates, L.P., as reported on a Form 4 for DP VII Associates, L.P. filed on the same date as this Form 4.

SEC source: 0000904454-16-001500 · edgar.xml · derivative · entry 2

DOMAIN PARTERS VII L P · CIK 0001374150 · 10% owner

BLAIR JAMES C · CIK 0001024000 · 10% owner

DOVEY BRIAN H · CIK 0001207786 · 10% owner

TREU JESSE I · CIK 0001013425 · 10% owner

VITULLO NICOLE · CIK 0001196863 · 10% owner

Halak Brian K · CIK 0001354718 · 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

Underlying: Common Stock · 862,879 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.

F3 · derivative.exercise_price: All outstanding shares of the Issuer's preferred stock automatically converted into Common Stock upon the closing of the Issuer's initial public offering for no additional consideration. The preferred stock had no expiration date.

F3 · derivative.exercise_date: All outstanding shares of the Issuer's preferred stock automatically converted into Common Stock upon the closing of the Issuer's initial public offering for no additional consideration. The preferred stock had no expiration date.

F3 · derivative.expiration_date: All outstanding shares of the Issuer's preferred stock automatically converted into Common Stock upon the closing of the Issuer's initial public offering for no additional consideration. The preferred stock had no expiration date.

F1 · ownership.direct: The securities reported as directly beneficially owned by the designated Reporting Person may be deemed to be indirectly beneficially owned by each of the Reporting Owners listed below, each of whom is a managing member of One Palmer Square Associates VII, LLC, the sole general partner of the designated Reporting Person. Pursuant to Instruction 4(b)(iv) of Form 4, each such individual has elected to report as indirectly beneficially owned the entire number of securities owned by the designated Reporting Person, however each of them disclaims beneficial ownership of any securities, and any proceeds thereof, that exceed his or her pecuniary interest therein and/or that are not actually distributed to him or her.

F2 · ownership.direct: As managing members of the sole general partner of DP VII Associates, L.P., each Reporting Owner listed below may also be deemed to indirectly beneficially own the securities of the Issuer held by DP VII Associates, L.P., as reported on a Form 4 for DP VII Associates, L.P. filed on the same date as this Form 4.

SEC source: 0000904454-16-001500 · edgar.xml · nonDerivative · entry 1

DOMAIN PARTERS VII L P · CIK 0001374150 · 10% owner

BLAIR JAMES C · CIK 0001024000 · 10% owner

DOVEY BRIAN H · CIK 0001207786 · 10% owner

TREU JESSE I · CIK 0001013425 · 10% owner

VITULLO NICOLE · CIK 0001196863 · 10% owner

Halak Brian K · CIK 0001354718 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,985,970

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

F3 · price: All outstanding shares of the Issuer's preferred stock automatically converted into Common Stock upon the closing of the Issuer's initial public offering for no additional consideration. The preferred stock had no expiration date.

F1 · ownership.direct: The securities reported as directly beneficially owned by the designated Reporting Person may be deemed to be indirectly beneficially owned by each of the Reporting Owners listed below, each of whom is a managing member of One Palmer Square Associates VII, LLC, the sole general partner of the designated Reporting Person. Pursuant to Instruction 4(b)(iv) of Form 4, each such individual has elected to report as indirectly beneficially owned the entire number of securities owned by the designated Reporting Person, however each of them disclaims beneficial ownership of any securities, and any proceeds thereof, that exceed his or her pecuniary interest therein and/or that are not actually distributed to him or her.

F2 · ownership.direct: As managing members of the sole general partner of DP VII Associates, L.P., each Reporting Owner listed below may also be deemed to indirectly beneficially own the securities of the Issuer held by DP VII Associates, L.P., as reported on a Form 4 for DP VII Associates, L.P. filed on the same date as this Form 4.

SEC source: 0000904454-16-001498 · edgar.xml · nonDerivative · entry 1

Kamdar Kim P. · CIK 0001535065 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,400

F1 · ownership.direct: Shares held jointly with the Reporting Person's mother. The Reporting Person disclaims beneficial ownership of such shares except to the extent of her pecuniary interest, if any, therein.