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 *

MOORE TODD R
2. Issuer Name and Ticker or Trading Symbol

Cornerstone Building Brands, Inc. [ CNR ]
5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                    _____ 10% Owner
__X__ Officer (give title below)    _____ Other (specify below)
EVP, Chief Legal & Compliance
(Last)          (First)          (Middle)

5020 WESTON PARKWAY, SUITE 400
3. Date of Earliest Transaction (MM/DD/YYYY)

3/16/2020
(Street)

CARY, NC 27513
(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, $0.01 par value 3/16/2020  A  16327 A$0 119822 D 
 
Common Stock, $0.01 par value         5768 (1)I Cornerstone 401(k) Plan. 

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 Security3. Trans. Date3A. Deemed Execution Date, if any4. 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 Date7. 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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Options (Right to Buy) $4.52 (2)3/16/2020  A   48980     (2)3/16/2020 Common Stock, $0.01 par value 48980 $0 48980 D 
 

Explanation of Responses:
(1) Holdings calculated as of 03/13/2020.
(2) The options are subject to vesting in equal annual installments on March 16, 2021, March 16, 2022, and March 16, 2023, unless forfeited prior to such date.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
MOORE TODD R
5020 WESTON PARKWAY, SUITE 400
CARY, NC 27513


EVP, Chief Legal & Compliance

Signatures
Todd R. Moore3/16/2020
**Signature of Reporting PersonDate

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