Sec Form 3 Filing - Rosen Ilan @ CERAGON NETWORKS LTD - 2026-03-18

FORM 3 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Rosen Ilan 2. Issuer Name and Ticker or Trading Symbol CERAGON NETWORKS LTD [ CRNT] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O MAGICJACK VOCALTEC LTD., 12 BENNY GOAN STREET, BUILDING 2B 3. Date of Earliest Transaction (MM/DD/YY) 03/18/2026 (Street) NETANYA 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Ordinary Shares 56,500 ( 1 ) D Ordinary Shares 5,000 ( 2 ) D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Stock Option (Right to Buy) $ 3.701 07/19/2021( 3 ) 07/19/2027 Ordinary Shares 16,667 D Stock Option (Right to Buy) $ 2.2167 07/20/2022( 3 ) 07/19/2028 Ordinary Shares 16,667 D Stock Option (Right to Buy) $ 2.09 07/20/2023( 3 ) 07/19/2029 Ordinary Shares 16,666 D Stock Option (Right to Buy) $ 1.99 09/08/2023( 3 ) 09/07/2029 Ordinary Shares 43,334 D Stock Option (Right to Buy) $ 3.08 05/23/2024( 3 ) 05/23/2030 Ordinary Shares 40,180 D Stock Option (Right to Buy) $ 2.45 05/22/2025( 3 ) 05/22/2031 Ordinary Shares 22,270 D Stock Option (Right to Buy) $ 2.45 05/23/2025( 3 ) 05/23/2031 Ordinary Shares 50,540 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Rosen Ilan C/O MAGICJACK VOCALTEC LTD. 12 BENNY GOAN STREET, BUILDING 2B NETANYA X Signatures Ilan Rosen by: Oppenheimer Israel, as Attorney-in-fact 03/18/2026 Signature of Reporting Person Date

Explanation of Responses:

( 1 )These shares were issued upon vesting of previously granted RSU's ( 2 )The Shares reported herein were purchased in the open market ( 3 )The Stock Options are Fully vested and immediately exercisable

Remarks: This Form 3 is being filed to report the Reporting Person beneficial ownership of securities of the Issuer as of the date the Reporting Person became subject to the reporting requirements of Section 16 of the Securities Exchange Act of 1934.

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 4(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).

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