LASR

SEC source: 0001104659-18-028723 · a4.xml · derivative · entry 3

OAK INVESTMENT PARTNERS X LTD PARTNERSHIP · CIK 0001131676 · 10% owner

OAK X AFFILIATES FUND LP · CIK 0001143824 · 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 · 1,742,711 shares

Expires not disclosed

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

F2 · derivative.exercise_price: The Series D Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F7 · shares: Consists of 1,715,177 shares held of record by Oak Investment Partners X, L.P., and 27,534 shares held of record by Oak X Affiliates Fund, L.P.

F2 · derivative.exercise_date: The Series D Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · derivative.expiration_date: The Series D Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F12 · ownership.direct: Oak Associates X, LLC, or Oak Associates X GP is the general partner of Oak Investment Partners X, LP. Oak X Affiliates, LLC, or Oak X Affiliates GP, is the general partner of Oak X Affiliates Fund, L.P., and the managing members of Oak Associates X GP and Oak X Affiliates GP are Bandel L. Carano, Edward F. Glassmeyer, Frederic W. Harman and Ann H. Lamont. These individuals may be deemed to have shared voting and investment power over the shares held by Oak Investment Partners X, L.P. and Oak X Affiliates Fund, L.P. Each of these individuals disclaims beneficial ownership of such shares and this report shall not be deemed an admission that the Reporting Person or its managing members are the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001104659-18-028723 · a4.xml · derivative · entry 2

OAK INVESTMENT PARTNERS X LTD PARTNERSHIP · CIK 0001131676 · 10% owner

OAK X AFFILIATES FUND LP · CIK 0001143824 · 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 · 1,389,868 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: The Series C Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F6 · shares: Consists of 1,367,908 shares held of record by Oak Investment Partners X, L.P., and 21,960 shares held of record by Oak X Affiliates Fund, L.P.

F1 · derivative.exercise_date: The Series C Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.expiration_date: The Series C Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F12 · ownership.direct: Oak Associates X, LLC, or Oak Associates X GP is the general partner of Oak Investment Partners X, LP. Oak X Affiliates, LLC, or Oak X Affiliates GP, is the general partner of Oak X Affiliates Fund, L.P., and the managing members of Oak Associates X GP and Oak X Affiliates GP are Bandel L. Carano, Edward F. Glassmeyer, Frederic W. Harman and Ann H. Lamont. These individuals may be deemed to have shared voting and investment power over the shares held by Oak Investment Partners X, L.P. and Oak X Affiliates Fund, L.P. Each of these individuals disclaims beneficial ownership of such shares and this report shall not be deemed an admission that the Reporting Person or its managing members are the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001104659-18-028723 · a4.xml · nonDerivative · entry 1

OAK INVESTMENT PARTNERS X LTD PARTNERSHIP · CIK 0001131676 · 10% owner

OAK X AFFILIATES FUND LP · CIK 0001143824 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,547,084

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: The Series C Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · price: The Series D Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · price: The Series E Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · price: The Series F Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F5 · price: The Series G Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F11 · balance_after: Consists of 5,459,446 shares held of record by Oak Investment Partners X, L.P., and 87,638 shares held of record by Oak X Affiliates Fund, L.P.

F12 · ownership.direct: Oak Associates X, LLC, or Oak Associates X GP is the general partner of Oak Investment Partners X, LP. Oak X Affiliates, LLC, or Oak X Affiliates GP, is the general partner of Oak X Affiliates Fund, L.P., and the managing members of Oak Associates X GP and Oak X Affiliates GP are Bandel L. Carano, Edward F. Glassmeyer, Frederic W. Harman and Ann H. Lamont. These individuals may be deemed to have shared voting and investment power over the shares held by Oak Investment Partners X, L.P. and Oak X Affiliates Fund, L.P. Each of these individuals disclaims beneficial ownership of such shares and this report shall not be deemed an admission that the Reporting Person or its managing members are the beneficial owner of such securities for Section 16 or any other purpose.