X0202 SCHEDULE 13D 0002110910 XXXXXXXX LIVE Ordinary Shares 04/15/2026 false 0000916793 M84116108 Silicom Ltd.

14 Atir Yeda ST Kfar-Sava L3 4464323

Avinoam Eizenman 972-9-764-4555 14 Atir Yeda Kfar Sava L3 4464323 0002110910 N Eizenman Avinoam PF OO N L3 327559.00 0.00 327559.00 0.00 327559.00 N 5.70 IN (1) The percentages reported in this Schedule 13D are based upon 5,706,142 ordinary shares outstanding as of December 31, 2025 (according to the Consolidated Financial Statements for the year ending December 31, 2025, filed on March 16, 2026 by the Issuer as an Exhibit to its Current Report on Form 6-K). Ordinary Shares Silicom Ltd. 14 Atir Yeda ST Kfar-Sava L3 4464323 Avinoam Eizenman 14 Atir Yeda ST., Kfar Sava, Israel, 4464323 Executive Chairman of the Board of Directors of the Issuer The Reporting Person has not, during the last five years, been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors). The Reporting Person has not, during the last five years, been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws. Israel The securities reported herein were acquired by the Reporting Person through a combination of sources: (i) personal funds; (ii) shares acquired at the inception of the Issuer; and (iii) equity compensation awards, including stock options and Restricted Stock Units (RSUs), granted by the Issuer to the Reporting Person in connection with their services as an officer of the Issuer. No borrowed funds were used to purchase the securities. The Reporting Person's beneficial ownership increased above 5% because certain RSUs and options that he holds will vest over the next 60-days. The Reporting Person holds the securities described in Item 5 of this Schedule 13D for investment purposes and in connection with their ongoing role as an officer of the Issuer. The Reporting Person does not currently have any plans or proposals which relate to or would result in any of the actions specified in clauses (a) through (j) of Item 4 of Schedule 13D. However, as part of their ongoing evaluation of this investment and investment alternatives, the Reporting Person reserves the right, from time to time, to acquire additional securities of the Issuer, to dispose of some or all of the securities held by them, or to formulate other purposes, plans or proposals regarding the Issuer or its securities, subject to market conditions, the Issuer's insider trading policies, and applicable legal requirements As of the date of filing of this Schedule 13D, the Reporting Person beneficially owns 327,559 Ordinary Shares, representing approximately 5.70% of the issued and outstanding Ordinary Shares. The 327,559 Ordinary Shares consist of (i) 285,059 Ordinary Shares held directly by the Reporting Person, (ii) 12,500 RSUs that will vest within the next 60 days, and (iii) 30,000 options to purchase Ordinary Shares that will become exercisable within the next 60 days. Sole power to vote or direct the vote of 327,559 ordinary shares. Shared power to vote or direct the vote of 0 ordinary shares. Sole power to dispose or direct the disposition of 327,559 ordinary shares. Shared power to dispose of direct the disposition of 0 ordinary shares. During the 60 days preceding the date of filing of this Schedule 13D, the Reporting Person has not conducted any transactions in the securities of the Issuer. Not applicable. Not applicable. The Reporting Person holds options and RSUs granted pursuant to the Issuer's equity incentive plans. The terms of these equity awards are governed by the applicable plan documents and the individual award agreements between the Reporting Person and the Issuer. Such RSUs and stock options were granted pursuant to resolutions of the Issuer's shareholders and board of directors approving equity awards to the Reporting Person. Other than the foregoing, the Reporting Person is not a party to any contracts, arrangements, understandings, or relationships (legal or otherwise) with any person with respect to any securities of the Issuer, including, without limitation, any Rule 10b5-1 trading plans, voting agreements, or pledges. None Eizenman Avinoam /s/ Avinoam Eizenman 04/20/2026