Sec Form 3 Filing - Koslowski Thilo @ Arbe Robotics Ltd. - 2026-03-18

FORM 3 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Koslowski Thilo 2. Issuer Name and Ticker or Trading Symbol Arbe Robotics Ltd. [ ARBE] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O ARBE ROBOTICS LTD., HAHASHMONAIM ST. 107 3. Date of Earliest Transaction (MM/DD/YY) 03/18/2026 (Street) TEL AVIV000000 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price

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. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Stock Options $ 8 ( 1 ) 02/21/2032 Ordinary Shares 80,000 D Stock Options $ 2.873 ( 2 ) 08/07/2033 Ordinary Shares 40,000 D Stock Options $ 1.313 ( 3 ) 09/17/2035 Ordinary Shares 120,000 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Koslowski Thilo C/O ARBE ROBOTICS LTD. HAHASHMONAIM ST. 107 TEL AVIV000000 X Signatures /s/ Thilo Koslowski 03/18/2026 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Stock options were granted on February 21, 2022, and were fully vested as of March 1, 2025. ( 2 )Stock options were granted on August 7, 2023, with 33,333 options vested as of February 7, 2026 and the remaining 6,667 options vesting in two equal three month installments commencing on May 7, 2026 subject to the Reporting Person's continued service to the Issuer or its subsidiaries through each vesting date. ( 3 )Stock options were granted on September 17, 2025, with 20,000 options vested as of March 17, 2026 and the remaining 100,000 options vesting in ten equal three month installments commencing on June 17, 2026 subject to the Reporting Person's continued service to the Issuer or its subsidiaries through each vesting date.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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