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of Contents](#TOC)\n\n​\n\n​\n\n**UNITED STATES**\n\n**SECURITIES AND EXCHANGE COMMISSION**\n\n**WASHINGTON, D.C. 20549**\n\n**FORM ****10-Q**\n\n☒\n\nQUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934\n\n​\n\n**For the quarterly period ended****March 31, 2026**\n\n**OR**\n\n☐\n\nTRANSITION REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934\n\n​\n\n**For the transition period from ______to _______**\n\n**Commission File Number:****001-35737**\n\n​\n\n**NORTHWEST BIOTHERAPEUTICS, INC.**\n\n(Exact name of registrant as specified in its charter)\n\n**Delaware**\n\n**94-3306718** \n\n(State or Other Jurisdiction of Incorporation or Organization)\n\n(I.R.S. Employer Identification No.)\n\n​\n\n**4800 Montgomery Lane****,****Suite 800****,****Bethesda****,****MD********20814**\n\n(Address of principal executive offices) (Zip Code)\n\n**(****240****) ****497-9024**\n\n(Registrant’s telephone number)\n\nIndicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes  ☒      No  ☐\n\nIndicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes  ☒      No  ☐\n\nIndicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.\n\nLarge accelerated filer\n\n \n\n☐\n\nAccelerated filer\n\n \n\n☐\n\nNon-accelerated filer\n\n \n\n☒\n\nSmaller reporting company\n\n \n\n☒\n\n \n\n \n\n \n\nEmerging growth company\n\n \n\n☐\n\n​\n\nIndicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☒\n\nIf an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐\n\n**Title of each class**\n\n**Trading Symbol**\n\n**Name of each exchange on which registered**\n\nCommon Stock, par value $0.001 per share\n\nNWBO\n\nOTCQB\n\n​\n\nAs of May 13, 2026, the total number of shares of common stock, par value $0.001 per share, outstanding was 1,643,343,757.\n\n​\n\n​\n\n​\n\n​\n\n[Table of Contents](#TOC)\n\n**NORTHWEST BIOTHERAPEUTICS, INC.**\n\n**FORM 10-Q**\n\n**TABLE OF CONTENTS**\n\n​\n\n​\n\n​\n\n​\n\n[**PART I - FINANCIAL INFORMATION**](#PARTIFINANCIALINFORMATION_676170)\n\n3\n\n​\n\n​\n\n​"}