Sec Form 4 Filing - Walden Nicholas @ Infinera Corp - 2025-02-27

FORM 4 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 Walden Nicholas 2. Issuer Name and Ticker or Trading Symbol Infinera Corp [ INFN] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) SVP, Worldwide Sales (Last) (First) (Middle) C/O INFINERA CORPORATION, 6373 SAN IGNACIO AVENUE 3. Date of Earliest Transaction (MM/DD/YY) 02/27/2025 (Street) SAN JOSE, CA95119 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 Common Stock 02/28/2025 A 65,000 ( 1 ) A $ 0 234,641 D Common Stock 02/28/2025 D( 2 ) 234,641 D 0 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 Restricted Stock Units ( 4 ) 02/27/2025 A 47,365 ( 5 ) ( 6 ) ( 6 ) Common Stock 47,365 $ 0 47,365 D Restricted Stock Units ( 4 ) 02/28/2025 A 96,668 ( 7 ) ( 8 ) ( 8 ) Common Stock 96,668 $ 0 96,668 D Restricted Stock Units ( 9 ) 02/28/2025 D 373,951 ( 10 ) ( 10 ) Common Stock 373,951 $ 0 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Walden Nicholas C/O INFINERA CORPORATION 6373 SAN IGNACIO AVENUE SAN JOSE, CA95119 SVP, Worldwide Sales Signatures /s/ Nicholas Janof, by Power of Attorney 03/03/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents the number of shares of Infinera Corporation ("Company") common stock subject to a performance share award originally granted on March 9, 2023, which accelerated to vest at 100% of the target shares granted and was converted into a right to receive cash compensation, subject to applicable tax withholding, with respect to all vested shares as a result of the merger pursuant to the previously announced Agreement and Plan of Merger, dated as of June 27, 2024, by and among Nokia Corporation ("Nokia"), Neptune of America Corporation and the Company, referred to as the "Merger Agreement". ( 2 )Disposed of as a result of the merger pursuant to the Merger Agreement. ( 3 )Each share of Company common stock held by the Reporting Person was automatically cancelled, extinguished and converted into the right to receive the consideration provided in the Merger Agreement. ( 4 )On March 10, 2024, the Company granted the Reporting Person a performance share award covering 72,500 shares ("PSAs") based on the achievement of a goal tied to the total stockholder return ("TSR") of the Company relative to the TSR of companies listed in the Russell 3000 Index during the relevant performance period (the "PSA Award"). The PSA Award has three performance periods, consisting of one-, two- and three- year periods beginning with the last trading day in the Company's fiscal 2023 and ending with the Company's fiscal 2024, 2025 and 2026 respectively (each, a "Performance Period"), and with one-third of the target number of shares under the PSAs allocated to each such Performance Period. Each PSA represents a contingent right to receive one share of Company common stock. ( 5 )Effective February 27, 2025, given the Company's TSR was positive and in the 79th percentile relative to the TSR of the companies listed on the Russell 3000 Index for the fiscal 2024 Performance Period, the Compensation Committee of the Board of Directors of the Company ("Compensation Committee") certified that 196% of the target number of shares, or 47,365 shares of Company common stock, subject to the 2024 Performance Period under the PSA Award became eligible to vest ("2024 Eligible Shares"). ( 6 )100% of the 2024 Eligible Shares vest on March 5, 2027, subject to the Reporting Person's continued service to the Company, or any successor company, through the applicable vesting date. ( 7 )As a result of the merger pursuant to the Merger Agreement and in accordance with the provisions of the grant documents evidencing the PSAs granted on March 10, 2024, the fiscal 2025 and 2026 Performance Periods were shortened to end as of February 20, 2025, the date approved by the Compensation Committee for determining performance under such performance periods in accordance with the requirements of the applicable award agreements. Accordingly, effective February 27, 2025, given the Company's TSR was positive and in the 81st percentile relative to the TSR of the companies listed on the Russell 3000 Index for the fiscal 2025 and 2026 shortened Performance Periods, the Compensation Committee certified that 200% of the target number of shares subject to each such performance period or a total of 96,668 shares of Company common stock under the PSA Award became eligible to vest ("2025-2026 Eligible Shares"). ( 8 )100% of the 2025-2026 Eligible Shares vest on March 5, 2027, subject to the Reporting Person's continued service to the Company, or any successor company, through the applicable vesting date. ( 9 )Each restricted stock unit ("RSU") represents a contingent right to receive one share of Company common stock. ( 10 )Includes shares of Company common stock underlying the unvested (i) 2024 Eligible Shares, (ii) 2025-2026 Eligible Shares, and (iii) previously reported RSUs; all of which pursuant to the Merger Agreement converted as of the Effective Time of the merger into time-based RSUs of Nokia.

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