6-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16

OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934

For the month of March 2026

Commission File Number 000-23288

SILICOM LTD.

(Translation of Registrant’s name into English)

14 Atir Yeda St., Kfar-Sava 4464323, Israel

(Address of Principal Executive Offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):___

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):___

On March 18, 2026, the Registrant issued a press release: “Silicom to Participate in the 38th Annual Roth Growth Conference”.

Attached hereto are the following exhibits:

This Form 6-K, including all exhibits hereto, is hereby incorporated by reference into all effective registration statements filed by the registrant under the Securities Act of 1933.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Exhibit 99.1

Silicom to Participate in the 38th Annual Roth Growth Conference

– Management to discuss core revenue growth inflection and

expanding AI-inference infrastructure opportunities –

KFAR SAVA, Israel – March 18, 2026 - Silicom Ltd. (NASDAQ: SILC), a leading provider of networking and data infrastructure solutions, today announced that management will participate in the 38th Annual Roth Conference being held March 22-24, 2026, at the Ritz-Carlton Laguna Niguel in Dana Point, California.

Management will be available for one-on-one meetings throughout the conference to discuss the company’s core business revenue growth inflection point and key potential upsides, including recent progress with its AI-inference infrastructure solutions. Investors interested in scheduling a meeting should contact their Roth Capital Partners representative or Silicom’s investor relations team.

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About Silicom

Silicom Ltd. is an industry-leading provider of high-performance networking and data infrastructure solutions.  Designed to optimize performance and efficiency in Cloud, Data Center and Edge environments, Silicom’s solutions increase throughput and minimize latency, serving as the infrastructure backbone for today’s most critical technologies. Our innovations empower high-demand workloads across Artificial Intelligence (AI) inference, SD-WAN, SASE, cyber security, fabric switching, NFV, and more.

Our comprehensive portfolio, including high-speed server adapters, advanced hardware offloading and acceleration engines, AI NICs, FPGA-based smart cards, Post Quantum Cryptography (PQC) hardware accelerators, white label switches and Edge CPEs, is used by Tier-1 customers throughout the world, including cloud players, service providers and OEMs, to enable their networks to scale efficiently. With engineering excellence, a strong financial position and a legacy of over 400 active Design Wins, Silicom serves as the "go-to" connectivity and performance partner for technology leaders around the globe, and drives the next generation of infrastructure.

For more information, please visit: www.silicom.co.il