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Arbe Robotics (ARBE) director details long-dated stock option grants

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
3

Rhea-AI Filing Summary

Arbe Robotics Ltd. director Thilo Koslowski reported existing stock option holdings in an initial ownership filing. He holds stock options linked to 80,000 ordinary shares at an exercise price of $8.0000 per share expiring on February 21, 2032, which were granted on February 21, 2022 and fully vested as of March 1, 2025. He also holds options over 40,000 shares at $2.8730 per share expiring on August 7, 2033, with 33,333 options vested as of February 7, 2026 and the remaining 6,667 vesting in two equal three‑month installments starting May 7, 2026, subject to continued service. A further grant covers 120,000 shares at $1.3130 per share expiring on September 17, 2035, with 20,000 options vested as of March 17, 2026 and 100,000 vesting in ten equal three‑month installments starting June 17, 2026, also conditioned on continued service.

Positive

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Insider Koslowski Thilo
Role Director
Type Security Shares Price Value
holding Stock Options -- -- --
holding Stock Options -- -- --
holding Stock Options -- -- --
Holdings After Transaction: Stock Options — 80,000 shares (Direct)
Footnotes (1)
  1. Stock options were granted on February 21, 2022, and were fully vested as of March 1, 2025. 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. 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.
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SEC Form 3
FORM 3UNITED 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
OMB APPROVAL
OMB Number:3235-0104
Estimated average burden
hours per response:0.5
1. Name and Address of Reporting Person*
Koslowski Thilo
(Last)(First)(Middle)
C/O ARBE ROBOTICS LTD.
HAHASHMONAIM ST. 107
(Street)
TEL AVIV000000
(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)
XDirector10% Owner
Officer (give title below)Other (specify below)
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
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 ExercisableExpiration DateTitleAmount or Number of Shares
Stock Options (1)02/21/2032Ordinary Shares80,000$8D
Stock Options (2)08/07/2033Ordinary Shares40,000$2.873D
Stock Options (3)09/17/2035Ordinary Shares120,000$1.313D
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.
/s/ Thilo Koslowski03/18/2026
** Signature of Reporting PersonDate
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)

Source: View Original Filing on SEC EDGAR

FAQ

What does the Arbe Robotics (ARBE) Form 3 filing by Thilo Koslowski show?

The Form 3 shows director Thilo Koslowski’s existing stock option holdings in Arbe Robotics. It details three option grants over 240,000 ordinary shares, including exercise prices, expiration dates, and vesting schedules tied to his ongoing service with the company.

How many Arbe Robotics stock options does Thilo Koslowski hold according to this filing?

Thilo Koslowski holds options linked to 240,000 Arbe Robotics ordinary shares. These are split into grants over 80,000, 40,000, and 120,000 shares, each with its own exercise price, expiration date, and vesting conditions based on continued service.

What are the exercise prices of Thilo Koslowski’s Arbe Robotics stock options?

Koslowski’s options have exercise prices of $8.0000, $2.8730, and $1.3130 per share. Each price applies to a different grant, with distinct expiration dates and vesting schedules covering his compensation structure over several future years.

When do Thilo Koslowski’s Arbe Robotics stock options expire?

His option grants expire on February 21, 2032, August 7, 2033, and September 17, 2035. These long-dated expirations give him extended time to potentially exercise vested options, subject to the specific vesting conditions described in the filing footnotes.

How are Thilo Koslowski’s Arbe Robotics stock options vesting over time?

One grant was fully vested by March 1, 2025. The 40,000-share grant vests 33,333 options by February 7, 2026 and 6,667 in two installments from May 7, 2026. The 120,000-share grant vests 20,000 by March 17, 2026 and 100,000 in ten installments from June 17, 2026.

Does the Arbe Robotics (ARBE) Form 3 show any share purchases or sales by Thilo Koslowski?

The information describes stock option holdings and vesting schedules but does not show open-market purchases or sales. The entries are labeled as holdings, with unknown transaction codes and no buy or sell amounts indicated in the summarized transaction data.