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Radcom (RDCM) holders with 14% stake push for board overhaul

Filing Impact
(Moderate)
Filing Sentiment
(Neutral)
Form Type
SCHEDULE 13D/A

Rhea-AI Filing Summary

Radcom Ltd shareholders Michael and Klil Zisapel filed an amended Schedule 13D reporting beneficial ownership of 2,294,738 Ordinary Shares, representing about 14% of Radcom’s outstanding shares based on 16,405,788 shares as of October 20, 2025.

The filing explains that their stake arose from the illness and death of their father, co‑founder Zohar Zisapel, and related transfers, with no cash consideration paid. They also sent a demand letter requesting a special shareholder meeting to shrink the board size, allow director elections at any general meeting, remove five current directors, and elect three new nominees, with standard director compensation and protections.

The Zisapels state they hold the shares for investment but may change their position, including buying or selling more shares or engaging with management and other shareholders. If they and Value Base were deemed a group, they could be viewed as sharing influence over about 19.26% of Radcom’s shares, though they expressly disclaim being a group or beneficial ownership beyond their economic interest.

Positive

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Insights

Filing signals an organized push for board and governance changes at Radcom.

Michael and Klil Zisapel report a combined 14% stake in Radcom Ltd, largely inherited from their late father, co‑founder Zohar Zisapel. The position includes options exercisable within 60 days and both direct and indirect holdings through Lomsha Ltd. and Michael & Klil Holdings (93) Ltd.

The filing describes a demand letter dated March 25, 2026 seeking a special shareholder meeting. Proposals include cutting the board to three‑seven directors, allowing elections at any general meeting, ending interim appointees’ terms at that meeting, removing five named directors, and electing three new candidates with customary compensation and protections.

According to information in the document, if their holdings are viewed together with those associated with Value Base, the combined block could represent about 19.26% of outstanding shares, though all parties expressly disclaim group status or beneficial ownership beyond their pecuniary interests. Future company disclosures and meeting outcomes will clarify how much influence these investors obtain over Radcom’s board and strategy.






M81865111

(CUSIP Number)
MICHAEL ZISAPEL
24 RAOUL WALLENBERG STREET, BUILDING C, 9TH FLOOR
TEL-AVIV, L3, 6971920
972-54-7369030

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)
03/25/2026

(Date of Event Which Requires Filing of This Statement)


If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).




schemaVersion:


SCHEDULE 13D




Comment for Type of Reporting Person:
Items 7,8,9,10,11 and 13: See Item 5. Items 7,9 and 11: Includes options to acquire 2,248 Ordinary Shares exercisable currently or within 60 days of March 25, 2026.


SCHEDULE 13D




Comment for Type of Reporting Person:
Items 7,8,9,10,11 and 13: See Item 5. Items 7,9 and 11: Includes options to acquire 2,249 Ordinary Shares exercisable currently or within 60 days of March 25, 2026.


SCHEDULE 13D


Zisapel Michael
Signature:/s/ Michael Zisapel
Name/Title:Michael Zisapel
Date:03/25/2026
KLIL ZISAPEL
Signature:/s/ Klil Zisapel
Name/Title:Klil Zisapel
Date:03/25/2026

FAQ

What ownership stake do Michael and Klil Zisapel report in Radcom (RDCM)?

Michael and Klil Zisapel report beneficial ownership of 2,294,738 Radcom Ordinary Shares, representing about 14% of the company’s outstanding shares. This percentage is based on 16,405,788 shares reported as issued and outstanding as of October 20, 2025.

How did the Zisapels acquire their Radcom (RDCM) shareholding?

The Zisapels’ Radcom stake arose from the illness and death of their father, co‑founder Zohar Zisapel, and related transfers. He transferred ownership interests in holding companies in May 2023, and a probate order in August 2023 split his assets equally between Michael and Klil.

What board changes are being sought at Radcom (RDCM) in this Schedule 13D/A?

The filing describes a demand for a special shareholder meeting to reduce board size to three‑seven directors, allow director elections at any general meeting, terminate interim appointees’ tenure at that meeting, remove five named directors, and elect three specified new board candidates.

Who are the proposed new director candidates for Radcom (RDCM)?

The demand letter proposes three new director candidates: Liat Aaronson, Tomer Jacob, and Guy Levit. The request also seeks approval of compensation, exemption, indemnification and insurance for these candidates at levels comparable to Radcom’s current directors.

How are the Zisapels’ Radcom (RDCM) holdings structured between direct, indirect and options?

Each of Michael and Klil Zisapel beneficially owns 1,147,369 Ordinary Shares, combining shares held directly, shares held indirectly through Lomsha Ltd. and Michael & Klil Holdings (93) Ltd., plus options to acquire 2,248 or 2,249 shares exercisable within 60 days.

What is the potential combined Radcom (RDCM) stake if Value Base is included?

Based on information provided, the Reporting Persons and entities associated with Value Base together hold 3,159,747 Ordinary Shares, about 19.26% of Radcom’s outstanding shares. However, the parties expressly disclaim forming a group or broader beneficial ownership beyond their economic interests.
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