X0306 4 2021-02-11 0 0001740332 RESIDEO TECHNOLOGIES, INC. REZI 0001792630 Geddes AnnMarie 901 E 6TH STREET AUSTIN TX 78702 0 1 0 0 VP, Controller and CAO Common Stock 2021-02-11 4 M 0 957 0.00 A 1582 D Common Stock 2021-02-11 4 F 0 332 25.79 D 1250 D Restricted Stock Units 2021-02-11 4 M 0 957 0.00 D 2021-02-11 2021-02-11 Common Stock 957 957 D Restricted Stock Units 2018-12-04 4 A 0 11000 0.00 A Common Stock 11000 11000 D Table I balance reduced from prior Form 4s to reflect that 13,870 RSUs were previously reported on Table I; however, to align with the Issuer's reporting, the RSUs have now been reported on Table II. The RSUs included an RSU for 11,000 shares granted on December 4, 2018 that vests as to 50% of the shares on December 4, 2021 and 2022 and an RSU for 2,870 shares granted on February 11, 2019 that previously vested as to 956 shares on February 11, 2020 (reported on a prior Form 4), vested as to 957 shares on February 11, 2021 (reported on this Form 4) and will vest as to 957 shares on February 11, 2022. Instrument converts to common stock on a one-for-one basis. This RSU was previously reported on Table I on the reporting person's original Form 3 and has been reported here solely to conform to the Issuer's reporting of RSUs on Table II as described above in footnote 1. Restricted stock unit granted on December 4, 2018 was previously reported on Table I and reported here solely to conform to the Issuer's reporting of RSUs on Table II. RSUs vest as to 50% on December 4, 2021 and 2022, subject to continued employment. /s/ Jeannine J. Lane, as Attorney-in-Fact for AnnMarie Geddes 2021-02-16