Exhibit 4.1 SEVENTH AMENDMENT TO LOAN AGREEMENT This SEVENTH AMENDMENT TO LOAN AGREEMENT (this "Seventh Amendment"), dated and effective as of June 30, 2023 (the "Seventh Amendment Effective Date"), is made by and among LUMIRADX INVESTMENT LIMITED, a private company with limited liability incorporated under the laws of England and Wales with company number 10260187 (as "Borrower" and a Credit Party), BIOPHARMA CREDIT PLC, a public limited company incorporated under the laws of England and Wales with company ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F | (Mark One) | | | --- | --- | | ☐ | REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 | | | OR | | ☒ | ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 | | | For the fiscal year ended December 31, 2022 | | | OR | | ☐ | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 | OR ☐ SHELL COMPANY REPORT PURSUANT TO ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F | (Mark One) | | | --- | --- | | ☐ | REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 | | | OR | | ☒ | ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 | | | For the fiscal year ended December 31, 2021 | | | OR | | ☐ | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 | | | OR | ☐ SHELL COMPANY REPORT PURSUA ...