Yair Shamir details options and indirect stake in Arbe Robotics (ARBE)

Rhea-AI Filing Summary

Arbe Robotics Ltd. director Yair Shamir filed an initial ownership report showing his equity stake in the company. The filing lists stock options covering 80,000 Ordinary Shares with an exercise price of $2.873 per share, expiring on July 8, 2033.

According to the vesting terms, 66,666 options were vested as of February 7, 2026, with the remaining 13,334 options vesting in two equal installments starting May 7, 2026, subject to his continued service. The report also notes 1,897,436 Ordinary Shares held indirectly through CATALYST IV FUND L.P., with Shamir disclaiming beneficial ownership beyond his pecuniary interest.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider SHAMIR YAIR

Role Director

Type	Security	Shares	Price	Value
holding	Stock Options	--	--	--
holding	Ordinary Shares	--	--	--

Holdings After Transaction: Stock Options — 80,000 shares (Direct); Ordinary Shares — 1,897,436 shares (Indirect, See footnote)

Footnotes (1)

1. Consists of shares held by CATALYST IV FUND L.P ("CATALYST"). Reporting Person is affiliated CATALYST but disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16. Stock options were granted on August 7, 2023, with 66,666 options vested as of February 7, 2026 and the remaining 13,334 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.

Understanding Insider Trading Forms →

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

SHAMIR YAIR

(Last) (First) (Middle)

C/O ARBE ROBOTICS LTD.

HAHASHMONAIM ST. 107

(Street)

TEL AVIV 000000

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
Arbe Robotics Ltd. [ ARBE ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Ordinary Shares	1,897,436	I(1)	See footnote(1)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Options	(2)	07/08/2033	Ordinary Shares	80,000	$2.873	D

Explanation of Responses:

1. Consists of shares held by CATALYST IV FUND L.P ("CATALYST"). Reporting Person is affiliated CATALYST but disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16.

2. Stock options were granted on August 7, 2023, with 66,666 options vested as of February 7, 2026 and the remaining 13,334 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.

	/s/ Yair Shamir	03/18/2026
	** Signature of Reporting Person	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 5 (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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)

FAQ

What did Arbe Robotics (ARBE) director Yair Shamir report in this Form 3?

Yair Shamir reported his initial equity holdings in Arbe Robotics, including options and indirect shares. The filing details 80,000 stock options and 1,897,436 Ordinary Shares held through CATALYST IV FUND L.P., outlining vesting terms and a beneficial ownership disclaimer.

How many Arbe Robotics (ARBE) stock options does Yair Shamir hold?

The filing shows Shamir holds stock options over 80,000 Arbe Robotics Ordinary Shares. These options have a $2.873 exercise price, expire on July 8, 2033, and vest over time, with most already vested and the remainder vesting in two future installments.

What are the vesting terms of Yair Shamir’s Arbe Robotics (ARBE) options?

Shamir’s stock options were granted on August 7, 2023, with 66,666 options vested by February 7, 2026. The remaining 13,334 options vest in two equal three-month installments beginning May 7, 2026, conditioned on his continued service to Arbe Robotics or its subsidiaries.

How many Arbe Robotics (ARBE) shares are reported as indirectly held for Yair Shamir?

The Form 3 lists 1,897,436 Arbe Robotics Ordinary Shares held indirectly through CATALYST IV FUND L.P. Shamir is affiliated with this fund but disclaims beneficial ownership of these securities except to the extent of his pecuniary interest in the partnership.

What does Yair Shamir’s beneficial ownership disclaimer mean for Arbe Robotics (ARBE) shares?

The disclaimer states that although shares are held by CATALYST IV FUND L.P., Shamir does not admit full beneficial ownership. He recognizes only his pecuniary interest, clarifying that inclusion of these shares does not concede complete ownership for Section 16 purposes.