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.

Form 20-F ☒     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 31, 2026, the Registrant issued a press release: “Silicom’s first quarter 2026 results release scheduled for April 30, 2026”.

Attached hereto are the following exhibits:

Exhibit 99.1          Press Release

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

FOR IMMEDIATE RELEASE

SILICOM’S FIRST QUARTER 2026 RESULTS RELEASE

SCHEDULED FOR APRIL 30, 2026

• Conference Call Scheduled for Thursday, April 30, 2026 at 9:00am ET -

KFAR SAVA, Israel, March 31, 2026 -- Silicom Ltd. (NASDAQ: SILC), an industry-leading provider of high-performance server/appliances networking solutions, announced today that it will be releasing its first quarter 2026 results on Thursday, April 30, 2026.

The Company will be hosting a conference call on that same day at 9:00am Eastern Time. On the call, management will review and discuss the results, and will also be available to answer investors’ questions, following the prepared remarks.

To participate, investors may either listen via a webcast link hosted on Silicom’s website or via the dial-in. The link will be under the investor relations webcast section of Silicom’s website at https://www.silicom-usa.com/webcasts/

For those that wish to dial in via telephone, one of the following teleconferencing numbers may be used:

US: 1 866 860 9642

ISRAEL: 03 918 0609

INTERNATIONAL: +972 3 918 0609

At: 9:00am Eastern Time, 6:00am Pacific Time, 4:00pm Israel Time

It is advised to connect to the conference call a few minutes before the start.

For those unable to listen to the live call, a replay of the call will be available for three months from the day after the call under the above-mentioned webcast section of Silicom’s website.

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