Nio

=== SEC Form 3 — Statement of Changes in Beneficial Ownership === Document Type: 3 Period of Report: 2026-03-18 --- Issuer --- Name: NIO Inc. (NIO) CIK: 0001736541 --- Reporting Owner --- Name: Long Annabelle Yu CIK: 0001662661 Role: Director --- Holdings --- [Holding #1] Security: American depositary shares Ownership: D (Direct) Footnotes: [F1] Each American depositary share represents one Class A ordinary share. [Holding #2] Security: Restricted share units Ownership: D (Direct) Footnotes: [F2] Represents restricted share units granted to the reporting person pursuant to the issuer's share incentive plans, which do not have expiration dates. The restricted share units evidence the contingent right to receive Class A ordinary shares upon vesting, and will vest on 11/06/2026. [F2] Represents restricted share units granted to the reporting person pursuant to the issuer's share incentive plans, which do not have expiration dates. The restricted share units evidence the contingent right to receive Class A ordinary shares upon vesting, and will vest on 11/06/2026. [F2] Represents restricted share units granted to the reporting person pursuant to the issuer's share incentive plans, which do not have expiration dates. The restricted share units evidence the contingent right to receive Class A ordinary shares upon vesting, and will vest on 11/06/2026. [Holding #3] Security: Restricted share units Ownership: D (Direct) Footnotes: [F3] Represents restricted share units granted to the reporting person pursuant to the issuer's share incentive plans, which do not have expiration dates. The restricted share units evidence the contingent right to receive Class A ordinary shares upon vesting, and will vest on 11/06/2027. [F3] Represents restricted share units granted to the reporting person pursuant to the issuer's share incentive plans, which do not have expiration dates. The restricted share units evidence the contingent right to receive Class A ordinary shares upon vesting, and will vest on 11/06/2027. [F3] Represents restricted share units granted to the reporting person pursuant to the issuer's share incentive plans, which do not have expiration dates. The restricted share units evidence the contingent right to receive Class A ordinary shares upon vesting, and will vest on 11/06/2027. --- Footnotes (Complete Index) --- F1: Each American depositary share represents one Class A ordinary share. F2: Represents restricted share units granted to the reporting person pursuant to the issuer's share incentive plans, which do not have expiration dates. The restricted share units evidence the contingent right to receive Class A ordinary shares upon vesting, and will vest on 11/06/2026. F3: Represents restricted share units granted to the reporting person pursuant to the issuer's share incentive plans, which do not have expiration dates. The restricted share units evidence the contingent right to receive Class A ordinary shares upon vesting, and will vest on 11/06/2027. --- Signature --- /s/ /s/ Eve Tang, Attorney-in-Fact for Yu Long (2026-03-18)