Archer Aviation Inc. (ACHR) · Initial Holdings (Form 3) SEC Filing

=== SEC Form 3 — Statement of Changes in Beneficial Ownership === Document Type: 3 Period of Report: 2026-06-24 --- Issuer --- Name: Archer Aviation Inc. (ACHR) CIK: 0001824502 --- Reporting Owner --- Name: Lyon Benjamin CIK: 0001870608 Role: Officer (President, Aircraft OEM) --- Holdings --- [Holding #1] Security: Restricted Stock Units Ownership: D (Direct) Footnotes: [F3] Each restricted stock unit represents a contingent right to receive one share of the issuer's Class A Common Stock, subject to the reporting person's continued status as a service provider to the issuer. [F1] The award vested or vests quarterly in ratable increments, with the first tranche vested on May 15, 2025, and vesting thereafter on August 15, November 15, March 1, and May 15. [F2] These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date. [Holding #2] Security: Restricted Stock Units Ownership: D (Direct) Footnotes: [F3] Each restricted stock unit represents a contingent right to receive one share of the issuer's Class A Common Stock, subject to the reporting person's continued status as a service provider to the issuer. [F4] The award vested or vests quarterly as to 1/12 of the total award, with the first tranche vested on March 1, 2026, and vesting thereafter on May 15, August 15, November 15, and March 1. [F2] These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date. --- Footnotes (Complete Index) --- F1: The award vested or vests quarterly in ratable increments, with the first tranche vested on May 15, 2025, and vesting thereafter on August 15, November 15, March 1, and May 15. F2: These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date. F3: Each restricted stock unit represents a contingent right to receive one share of the issuer's Class A Common Stock, subject to the reporting person's continued status as a service provider to the issuer. F4: The award vested or vests quarterly as to 1/12 of the total award, with the first tranche vested on March 1, 2026, and vesting thereafter on May 15, August 15, November 15, and March 1. --- Signature --- /s/ /s/ Eric Lentell as attorney-in-fact for Benjamin Lyon (2026-07-02)