X0202 SCHEDULE 13G/A 0001446580-25-000067 0001446580 XXXXXXXX LIVE 2 Common Stock, $0.001 par value per share 03/31/2026 0001274494 First Solar, Inc. 336433107 4300 E Camelback Road Suite 220 Phoenix AZ 85018 Rule 13d-1(b) Capital Ventures International E9 0 5719887 0 5719887 5719887 5.3 CO With respect to Row 5 through Row 9 above, G1 Execution Services, LLC, SIG Brokerage, LP, Susquehanna Investment Group and Susquehanna Securities, LLC are affiliated independent broker-dealers which, together with Capital Ventures International and Susquehanna Advisors Group, Inc., may be deemed a group. For purposes of this report, we have indicated that each reporting person has sole voting and dispositive power with respect to the shares beneficially owned by it and that the reporting persons have shared voting and dispositive power with respect to all shares beneficially owned by all of the reporting persons. Each of the reporting persons disclaims beneficial ownership of shares owned directly by another reporting person. With respect to Row 5 and Row 7 above, Susquehanna Advisors Group, Inc. is the investment manager to Capital Ventures International and as such may exercise voting and dispositive power over the shares directly owned by Capital Ventures International. Susquehanna Advisors Group, Inc. PA 0 5719887 0 5719887 5719887 5.3 CO With respect to Row 5 through Row 9 above, G1 Execution Services, LLC, SIG Brokerage, LP, Susquehanna Investment Group and Susquehanna Securities, LLC are affiliated independent broker-dealers which, together with Capital Ventures International and Susquehanna Advisors Group, Inc., may be deemed a group. For purposes of this report, we have indicated that each reporting person has sole voting and dispositive power with respect to the shares beneficially owned by it and that the reporting persons have shared voting and dispositive power with respect to all shares beneficially owned by all of the reporting persons. Each of the reporting persons disclaims beneficial ownership of shares owned directly by another reporting person. With respect to Row 5 and Row 7 above, Susquehanna Advisors Group, Inc. is the investment manager to Capital Ventures International and as such may exercise voting and dispositive power over the shares directly owned by Capital Ventures International. G1 Execution Services, LLC IL 3 5719887 3 5719887 5719887 5.3 BD OO With respect to Row 5 through Row 9 above, G1 Execution Services, LLC, SIG Brokerage, LP, Susquehanna Investment Group and Susquehanna Securities, LLC are affiliated independent broker-dealers which, together with Capital Ventures International and Susquehanna Advisors Group, Inc., may be deemed a group. For purposes of this report, we have indicated that each reporting person has sole voting and dispositive power with respect to the shares beneficially owned by it and that the reporting persons have shared voting and dispositive power with respect to all shares beneficially owned by all of the reporting persons. Each of the reporting persons disclaims beneficial ownership of shares owned directly by another reporting person. SIG Brokerage, LP DE 10000 5719887 10000 5719887 5719887 5.3 BD PN With respect to Row 5 through Row 9 above, G1 Execution Services, LLC, SIG Brokerage, LP, Susquehanna Investment Group and Susquehanna Securities, LLC are affiliated independent broker-dealers which, together with Capital Ventures International and Susquehanna Advisors Group, Inc., may be deemed a group. For purposes of this report, we have indicated that each reporting person has sole voting and dispositive power with respect to the shares beneficially owned by it and that the reporting persons have shared voting and dispositive power with respect to all shares beneficially owned by all of the reporting persons. Each of the reporting persons disclaims beneficial ownership of shares owned directly by another reporting person. Susquehanna Investment Group PA 67400 5719887 67400 5719887 5719887 5.3 BD PN With respect to Row 5 through Row 9 above, G1 Execution Services, LLC, SIG Brokerage, LP, Susquehanna Investment Group and Susquehanna Securities, LLC are affiliated independent broker-dealers which, together with Capital Ventures International and Susquehanna Advisors Group, Inc., may be deemed a group. For purposes of this report, we have indicated that each reporting person has sole voting and dispositive power with respect to the shares beneficially owned by it and that the reporting persons have shared voting and dispositive power with respect to all shares beneficially owned by all of the reporting persons. Each of the reporting persons disclaims beneficial ownership of shares owned directly by another reporting person. Susquehanna Securities, LLC DE 5642484 5719887 5642484 5719887 5719887 5.3 BD OO With respect to Row 5 through Row 9 above, G1 Execution Services, LLC, SIG Brokerage, LP, Susquehanna Investment Group and Susquehanna Securities, LLC are affiliated independent broker-dealers which, together with Capital Ventures International and Susquehanna Advisors Group, Inc., may be deemed a group. For purposes of this report, we have indicated that each reporting person has sole voting and dispositive power with respect to the shares beneficially owned by it and that the reporting persons have shared voting and dispositive power with respect to all shares beneficially owned by all of the reporting persons. Each of the reporting persons disclaims beneficial ownership of shares owned directly by another reporting person. First Solar, Inc. 4300 E Camelback Road, Suite 220, Phoenix, Arizona 85018 This statement is filed by the entities listed below, who are collectively referred to herein as "Reporting Persons" with respect to the shares of Common Stock, $0.001 par value per share (the "Shares"), of First Solar, Inc. (the "Company"). (i) Capital Ventures International (ii) Susquehanna Advisors Group, Inc. (iii) G1 Execution Services, LLC (iv) SIG Brokerage, LP (v) Susquehanna Investment Group (vi) Susquehanna Securities, LLC The address of the principal business office of Capital Ventures International is: P.O. Box 897 Windward 1, Regatta Office Park West Bay Road Grand Cayman, KY1-1103 Cayman Islands The address of the principal business office of G1 Execution Services, LLC is: 175 W. Jackson Blvd. Suite 1700 Chicago, IL 60604 The address of the principal business office of each of SIG Brokerage, LP, Susquehanna Advisors Group, Inc., Susquehanna Investment Group and Susquehanna Securities, LLC is: 401 E. City Avenue Suite 220 Bala Cynwyd, PA 19004 Citizenship is set forth in Row 4 of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person. N BD The information required by this Item 4(a) is set forth in Row 9 of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person. The number of Shares reported as beneficially owned by SIG Brokerage, LP consists of options to buy Shares. The number of Shares reported as beneficially owned by Susquehanna Investment Group consists of options to buy Shares. The number of Shares reported as beneficially owned by Susquehanna Securities, LLC includes options to buy 5,613,900 Shares. The Company's Quarterly Report on Form 10-Q, filed on April 30, 2026, indicates that there were 107,453,003 Shares outstanding as of March 31, 2026. 5.3 The information required by this Item 4(c)(i) is set forth in Row 5 of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person. The information required by this Item 4(c)(ii) is set forth in Row 6 of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person. The information required by this Item 4(c)(iii) is set forth in Row 7 of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person. The information required by this Item 4(c)(iv) is set forth in Row 8 of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person. Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. EXHIBIT INDEX EXHIBIT DESCRIPTION ________ ________ 24 Limited Power of Attorney* 99 Joint Filing Agreement* * Previously filed Capital Ventures International /s/ Brian Sopinsky 05/13/2026 Susquehanna Advisors Group, Inc. /s/ Brian Sopinsky 05/13/2026 G1 Execution Services, LLC /s/ Brian Sopinsky 05/13/2026 SIG Brokerage, LP /s/ Brian Sopinsky 05/13/2026 Susquehanna Investment Group /s/ Brian Sopinsky 05/13/2026 Susquehanna Securities, LLC /s/ Brian Sopinsky 05/13/2026 Susquehanna Advisors Group, Inc. serves as authorized agent of Capital Ventures International pursuant to a Limited Power of Attorney, a copy of which was previously filed.