X0306
4
2021-02-24
0000883902
Cornerstone Building Brands, Inc.
CNR
0001576918
Buckley John L
5020 WESTON PARKWAY, SUITE 400
CARY
NC
27513
0
1
0
0
Pres., Siding Division
Common Stock, $0.01 par value
2021-02-24
4
A
0
95048
0
A
175352
D
Represents Founders PSUs for which performance criteria has been satisfied.
/s/ Todd R. Moore (by power of attorney)
2021-02-26