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 * MAHAFFEY KENNETH LAWRENCE 2. Issuer Name and Ticker or Trading Symbol SUNPOWER CORP [ SPWR ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable)_____ Director                    _____ 10% Owner
__X__ Officer (give title below)    _____ Other (specify below)
EVP & General Counsel
(Last)         (First)         (Middle)
51 RIO ROBLES
3. Date of Earliest Transaction (MM/DD/YYYY)
3/1/2021
(Street)
SAN JOSE, CA 95134
(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  3/1/2021    M    10492  A $0.00  18669 (1) D   
Common Stock  3/1/2021    M    10824  A $0.00  29493  D   
Common Stock  3/1/2021    M    13185  A $0.00  42678  D   
Common Stock  3/1/2021    M    10998  A $0.00  53676  D   
Common Stock  3/1/2021    M    11148  A $0.00  64824  D   
Common Stock  3/1/2021    M    14864  A $0.00  79688  D   
Common Stock  3/1/2021    M    12344  A $0.00  92032  D   

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
Performance Based Stock Units (PSU's)   (2) 3/1/2021    M        10492    (3)  (3) Common Stock  10492  $0.00  0  D   
Performance Based Stock Units (PSU's)   (2) 3/1/2021    M        10824    (4)  (4) Common Stock  10824  $0.00  10825  D   
Performance Based Stock Units (PSU's)   (2) 3/1/2021    M        13185    (5)  (5) Common Stock  13185  $0.00  26369  D   
Performance Based Stock Units (PSU's)   (2) 3/1/2021    M        10998    (6)  (6) Common Stock  10998  $0.00  32996  D   
Restricted Stock Units (RSU's)   (2) 3/1/2021    M        11148    (4)  (4) Common Stock  11148  $0.00  11148  D   
Restricted Stock Units (RSU's)   (2) 3/1/2021    M        14864    (5)  (5) Common Stock  14864  $0.00  29729  D   
Restricted Stock Units (RSU's)   (2) 3/1/2021    M        12344    (6)  (6) Common Stock  12344  $0.00  37032  D   

Explanation of Responses:
(1)  Amount of shares beneficially owned has been revised to correct an administrative error in previous filings
(2)  Each PSU or RSU represents a contingent right to receive one share of the Issuer's Common Stock upon vesting.
(3)  The remaining PSU's or RSU's vested on March 1, 2021
(4)  The remaining PSUs or RSUs shall vest on March 1, 2022
(5)  The remaining PSU's or RSU's shall vest in installments on March 1, 2022 and March 1, 2023
(6)  The remaining PSU's or RSU's shall vest in installments on March 1, 2022, March 1, 2023 and March 1, 2024

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
MAHAFFEY KENNETH LAWRENCE
51 RIO ROBLES
SAN JOSE, CA 95134


EVP & General Counsel

Signatures
/s/Lauren Walz, as attorney-in-fact for Kenneth Mahaffey 3/3/2021
**Signature of Reporting Person Date