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 OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      
1. Name and Address of Reporting Person * Welch David F 2. Issuer Name and Ticker or Trading Symbol Infinera Corp [ INFN ] 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 INFINERA CORPORATION, 6373 SAN IGNACIO AVENUE
3. Date of Earliest Transaction (MM/DD/YYYY)
5/5/2021
(Street)
SAN JOSE, CA 95119
(City)       (State)       (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)
 
6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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  5/5/2021    M    33333  A $0  640645  I  See Footnote (1)
Common Stock  5/5/2021    F    11778  D $8.58  628867  I  See Footnote (1)
Common Stock  5/5/2021    M    17187  A $0  646054  I  See Footnote (1)
Common Stock  5/5/2021    F    5944  D $8.58  640110  I  See Footnote (1)
Common Stock  5/5/2021    M    28707  A $0  668817  I  See Footnote (1)
Common Stock  5/5/2021    F    9927  D $8.58  658890  I  See Footnote (1)
Common Stock  5/5/2021    M    14549  A $0  673439  I  See Footnote (1)
Common Stock  5/5/2021    F    5032  D $8.58  668407  I  See Footnote (1)
Common Stock                 2500  I  See Footnote (2)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 7. Title and Amount of Securities Underlying Derivative Security
(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   (3) 5/5/2021    M        33333    (4)  (4) Common Stock  33333.0  $0  33333  D   
Restricted Stock Units   (3) 5/5/2021    M        17187    (5)  (5) Common Stock  17187.0  $0  17187  D   
Restricted Stock Units   (3) 5/5/2021    M        28707    (6)  (6) Common Stock  28707.0  $0  0  D   
Restricted Stock Units   (3) 5/5/2021    M        14549    (7)  (7) Common Stock  14549.0  $0  0  D   

Explanation of Responses:
(1)  These shares are held directly by The Welch Family Trust U/A DTD 4/3/1996 ("The Welch Family Trust"), for which Dr. Welch is a trustee.
(2)  These shares are held directly by Dr. Welch as a trustee for his children. Dr. Welch disclaims beneficial ownership of the shares held in trust for his children, and this report shall not be deemed an admission that Dr. Welch is the beneficial owner of the shares held in trust for his children for purposes of Section 16 or for any other purpose.
(3)  Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock of Infinera Corporation (the "Company").
(4)  These RSUs vest in three annual installments beginning on May 5, 2020, subject to Dr. Welch's continued service to the Company through each applicable vesting date.
(5)  These RSUs vest in three annual installments beginning on May 5, 2019, subject to Dr. Welch's continued service to the Company through each applicable vesting date.
(6)  These RSUs vest in four annual installments beginning on May 5, 2018, subject to Dr. Welch's continued service to the Company through each applicable vesting date.
(7)  On February 15, 2018, Dr. Welch was granted a PSU award for a target number of 45,833 shares of common stock that could become eligible to vest in three equal separate installments, subject to the achievement of certain performance criteria in each of the three different performance periods. The shares were eligible to vest based on the TSR performance of the Company in each performance period relative to that of the companies that comprise the S&P Networking Index. The performance objective related to this award was partially achieved for the third performance period, as determined by the Company's Compensation Committee per the terms of the original grant, resulting in an RSU award of 14,549 shares that was subject to time-based vesting. This time-based vesting was satisfied on May 5, 2021. The Form 4 filed on March 11, 2021 with respect to the performance vesting of the PSU award erroneously stated that the RSU award was for 14,550 shares.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Welch David F
C/O INFINERA CORPORATION
6373 SAN IGNACIO AVENUE
SAN JOSE, CA 95119
X



Signatures
/s/ Michael Hopp, by Power of Attorney 5/7/2021
**Signature of Reporting Person Date
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