UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ☒ For the quarterly period ended March 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number 001-39668 Archer Aviation Inc. (Exact name of registrant as specified in its charter) Delaware 85-2730902 (State or other jurisdiction of incorporation or (I.R.S. Employer Ident ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K 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 Commission file number 001-39668 Archer Aviation Inc. (Exact name of registrant as specified in its charter) Delaware 85-2730902 (State or other jurisdiction of incorporation or (I.R.S. Employer Identifica ...

UNLOCK THE SKIES Q4 & FY 2022 Shareholder Letter 4TH QUARTER HIGHLIGHTS Nearing Completion of First Build of Midnight AEROSTRUCTURES SYSTEMS FLIGHT TESTING Complete In progress Mid-2023 All major aerostructures (i.e., wing, Installed a significant portion of the We are currently targeting to begin tail, and fuselage) have been built wiring, electronics, actuators and flight testing of this aircraft in and mated together other systems mid-2023 ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number 001-39668 Archer Aviation Inc. (Exact name of registrant as specified in its charter) Delaware 85-2730902 (State or other jurisdiction of incorporation or o ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number 001-39668 Archer Aviation Inc. (Exact name of registrant as specified in its charter) Delaware 85-2730902 (State or other jurisdiction of incorporation or organi ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number 001-39668 Archer Aviation Inc. (Exact name of registrant as specified in its charter) Delaware 85-2730902 (State or other jurisdiction of incorporation or organ ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒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 Commission file number 001-39668 Archer Aviation Inc. (Exact name of registrant as specified in its charter) Delaware 85-2730902 (State or other jurisdiction of incorporation or organizati ...