Nio

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-09-01 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: NIO Inc. (NIO) CIK: 0001736541 --- Reporting Owner --- Name: Zhou Xin CIK: 0002109480 Role: Officer (Executive Vice President) --- Non-Derivative Transactions --- [Transaction #1] Security: American depositary shares Date: 2026-09-01 | Code: M (Exercise of derivative) Shares: +200,000 | Price: $0.00 Shares Owned After: 516,167 | Ownership: D (Direct) Footnotes: [F1] Each American depositary share represents one Class A ordinary share. --- Derivative Transactions --- [Transaction #1] Security: Restricted share units Date: 2026-09-01 | Code: M (Exercise of derivative) Shares: -200,000 | Price: $0.00 Shares Owned After: 600,000 | Ownership: D (Direct) Footnotes: [F2] The restricted share units evidence the contingent right to receive Class A ordinary shares upon vesting. [F3] The restricted share units vest in five equal annual installments beginning on September 1, 2025, with 20% vesting in each annual installment, subject to the terms and conditions of the underlying award agreement. The restricted share units do not have expiration dates. The vesting reported herein was as of September 1, 2026. [F3] The restricted share units vest in five equal annual installments beginning on September 1, 2025, with 20% vesting in each annual installment, subject to the terms and conditions of the underlying award agreement. The restricted share units do not have expiration dates. The vesting reported herein was as of September 1, 2026. --- Holdings --- [Holding #1] Security: Class A ordinary shares Ownership: I (Indirect) --- Footnotes (Complete Index) --- F1: Each American depositary share represents one Class A ordinary share. F2: The restricted share units evidence the contingent right to receive Class A ordinary shares upon vesting. F3: The restricted share units vest in five equal annual installments beginning on September 1, 2025, with 20% vesting in each annual installment, subject to the terms and conditions of the underlying award agreement. The restricted share units do not have expiration dates. The vesting reported herein was as of September 1, 2026. --- Signature --- /s/ /s/ Eve Tang, Attorney-in-Fact for Xin Zhou (2026-09-01)