## SEC Form 4

### FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION

#### Statement of Changes in Beneficial Ownership

1. **Name and Address of Reporting Person***  
   **Issuer Name and Ticker or Trading Symbol**:  
   Serve Robotics Inc. /DE/ [ SERV]  
   **Relationship of Reporting Person(s) to Issuer**:  
   Lieber Andreas  
   - Director  
   - 10% Owner  
   - Officer (give title)  
   - Other (specify)

2. **Date of Earliest Transaction**:  
   06/22/2026  
   C/O SERVE ROBOTICS INC.  
   1360 BAYPORT AVENUE  
   SAN CARLOS CA 94070

3. **If Amendment, Date of Original Filed**:  
   
4. **Individual or Joint/Group Filing**:  
   Form filed by One Reporting Person  
   Form filed by More than One Reporting Person

### Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
| **1. Title of Security (Instr. 3)** | **2. Transaction Date (Month/Day/Year)** | **2A. Deemed Execution Date, if any** | **3. Transaction Code (Instr. 5)** | **4. Securities Acquired (A) or Disposed Of (D)** | **5. Amount of Securities Owned Following Reported Transaction(s)** | **6. Ownership Form: Direct (D) or Indirect (I)** | **7. Nature of Indirect Ownership**  |
|--------------------------------------|-------------------------------------------|-------------------------------------|------------------------------------|---------------------------------------------|------------------------------------------------------|-------------------------------------------|--------------------------------------------|
| Common Stock                         | 06/22/2026                                |                                     | A                                  | 20,000 (1) A                             | 20,000                                                | D                                         |                                            |

### Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
| **1. Title of Derivative Security (Instr. 3)** | **2. 3. Transaction Date (Month/Day/Year)** | **3A. Deemed Execution Date, if any** | **4. Transaction Code (Instr. 5)** | **5. Number of Derivative Securities Acquired or Disposed of (A) or (D)** | **6. Date Exercisable and Expiration Date** | **7. Title and Amount of Underlying Securities** | **8. Price of Derivative Securities** | **9. Number of Shares** | **10. Nature of Indirect Ownership** |
|-----------------------------------------|---------------------------------------------|-------------------------------------|------------------------------------|-------------------------------------------------|-------------------------------------------|-----------------------------------------------------|------------------------------------------|-----------------------------------|------------------------------------|
|                                         |                                             |                                     |                                    |                                                 |                                           |                                                     |                                          |                                   |                                    |

### Explanation of Responses:
1. Represents shares of Common Stock underlying a time-based restricted stock unit award ("RSU"). The RSU will vest in full on the earlier to occur of (i) the Issuer's next annual shareholder meeting or (ii) June 22, 2027.

/s/ Evan Dunn, as attorney-in-fact  
06/25/2026  
Signature of Reporting Person

**Reminder**: Report on a separate line for each class of securities beneficially owned directly or indirectly. **Intentional misstatements or omissions of facts constitute Federal Criminal Violations**.