REZI

SEC source: 0001754267-26-000004 · form4-02182026_060201.xml · nonDerivative · entry 1

Aarnes Robert B · CIK 0001754267 · President, ADI

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 468,727

SEC source: 0001578060-26-000002 · form4-02092026_090203.xml · nonDerivative · entry 1

SURRAN THOMAS A · CIK 0001578060 · President Products & Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 254,929

SEC source: 0001753285-26-000002 · form4-02092026_090235.xml · nonDerivative · entry 1

Lane Jeannine J · CIK 0001753285 · EVP, GC and Corp Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 175,281

SEC source: 0001754267-26-000002 · form4-02092026_090257.xml · nonDerivative · entry 1

Aarnes Robert B · CIK 0001754267 · President, ADI

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 475,373

SEC source: 0001754777-26-000002 · form4-02092026_090210.xml · nonDerivative · entry 1

Kelly Stephen Montgomery · CIK 0001754777 · EVP, Chief HR Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 266,400

SEC source: 0001230422-26-000003 · form4-01052026_090101.xml · nonDerivative · entry 1

TEICH ANDREW C · CIK 0001230422 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 344,932.631

F1 · shares: Issued under the 2018 Stock Plan for Non-Employee Directors of Resideo Technologies, Inc. in lieu of annual cash retainer fees and to be settled by issuance of shares of Common Stock in a lump sum following termination of service as a director. These stock units are fully vested upon grant.

SEC source: 0001277624-26-000002 · form4-01052026_090121.xml · nonDerivative · entry 1

LAZAR JACK R · CIK 0001277624 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 115,782

F1 · shares: Issued under the 2018 Stock Plan for Non-Employee Directors of Resideo Technologies, Inc. in lieu of annual cash retainer fees and to be settled by issuance of shares of Common Stock in a lump sum following termination of service as a director. These stock units are fully vested upon grant.

SEC source: 0001754267-25-000006 · form4-12162025_091259.xml · nonDerivative · entry 1

Aarnes Robert B · CIK 0001754267 · President, ADI

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 484,017

SEC source: 0001753285-25-000006 · form4-12122025_051203.xml · derivative · entry 3

Lane Jeannine J · CIK 0001753285 · EVP, GC and Corp Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 76,109 shares

Expires 2027-02-19

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: Fully vested.

SEC source: 0001753285-25-000006 · form4-12122025_051203.xml · nonDerivative · entry 2

Lane Jeannine J · CIK 0001753285 · EVP, GC and Corp Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 181,989

F2 · shares: Consists of shares withheld by the issuer to satisfy the reporting person's exercise price and tax withholding obligation upon the exercise of stock options.

SEC source: 0001753285-25-000006 · form4-12122025_051203.xml · nonDerivative · entry 1

Lane Jeannine J · CIK 0001753285 · EVP, GC and Corp Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 231,667

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: Includes 422 shares acquired pursuant to the Issuer's employee stock purchase plan.

SEC source: 0001754777-25-000006 · form4-12122025_051201.xml · derivative · entry 3

Kelly Stephen Montgomery · CIK 0001754777 · EVP, Chief HR Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 81,818 shares

Expires 2027-02-19

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: Fully vested.

SEC source: 0001754777-25-000006 · form4-12122025_051201.xml · nonDerivative · entry 2

Kelly Stephen Montgomery · CIK 0001754777 · EVP, Chief HR Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 269,002

F2 · shares: Consists of shares withheld by the issuer to satisfy the reporting person's exercise price and tax withholding obligation upon the exercise of stock options.

SEC source: 0001754777-25-000006 · form4-12122025_051201.xml · nonDerivative · entry 1

Kelly Stephen Montgomery · CIK 0001754777 · EVP, Chief HR Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 315,614

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: Includes 507 shares acquired pursuant to the Issuer's employee stock purchase plan.

SEC source: 0001578060-25-000007 · form4-12092025_091202.xml · nonDerivative · entry 1

SURRAN THOMAS A · CIK 0001578060 · President Products & Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 261,873

SEC source: 0001873242-25-000006 · form4-11182025_091139.xml · nonDerivative · entry 1

Carlet Michael · CIK 0001873242 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 156,194

SEC source: 0001104659-25-111639 · tm2531103-1_4seq1.xml · nonDerivative · entry 5

CD&R Channel Holdings II, L.P. · CIK 0002044245 · 10% owner

CD&R Investment Associates XII, Ltd. · CIK 0002022047 · 10% owner

CD&R Associates XII, L.P. · CIK 0002023588 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,960,492

F6 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $31.94 to $32.275.

F2 · ownership.direct: These securities are owned directly by CD&R Channel Holdings II, L.P. ("CD&R Holdings II"). CD&R Investment Associates XII, Ltd. ("CD&R Holdings GP") is the general partner of CD&R Holdings II and may be deemed to beneficially own the reported securities. Investment and voting decisions with respect to the reported securities are made by majority vote of an investment committee (the "Investment Committee") of limited partners of CD&R Associates XII, L.P. ("CD&R Associates"), which may be deemed to beneficially own the reported securities. Each of CD&R Holdings GP and CD&R Associates, as well as each member of the Investment Committee, expressly disclaims beneficial ownership of the reported securities, except to the extent of their respective pecuniary interest therein.

SEC source: 0001104659-25-111639 · tm2531103-1_4seq1.xml · nonDerivative · entry 4

CD&R Channel Holdings II, L.P. · CIK 0002044245 · 10% owner

CD&R Investment Associates XII, Ltd. · CIK 0002022047 · 10% owner

CD&R Associates XII, L.P. · CIK 0002023588 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,672,673

F5 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $30.94 to $31.935.

F2 · ownership.direct: These securities are owned directly by CD&R Channel Holdings II, L.P. ("CD&R Holdings II"). CD&R Investment Associates XII, Ltd. ("CD&R Holdings GP") is the general partner of CD&R Holdings II and may be deemed to beneficially own the reported securities. Investment and voting decisions with respect to the reported securities are made by majority vote of an investment committee (the "Investment Committee") of limited partners of CD&R Associates XII, L.P. ("CD&R Associates"), which may be deemed to beneficially own the reported securities. Each of CD&R Holdings GP and CD&R Associates, as well as each member of the Investment Committee, expressly disclaims beneficial ownership of the reported securities, except to the extent of their respective pecuniary interest therein.

SEC source: 0001104659-25-111639 · tm2531103-1_4seq1.xml · nonDerivative · entry 3

CD&R Channel Holdings II, L.P. · CIK 0002044245 · 10% owner

CD&R Investment Associates XII, Ltd. · CIK 0002022047 · 10% owner

CD&R Associates XII, L.P. · CIK 0002023588 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,393,734

F4 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $31.79 to $32.51.

F2 · ownership.direct: These securities are owned directly by CD&R Channel Holdings II, L.P. ("CD&R Holdings II"). CD&R Investment Associates XII, Ltd. ("CD&R Holdings GP") is the general partner of CD&R Holdings II and may be deemed to beneficially own the reported securities. Investment and voting decisions with respect to the reported securities are made by majority vote of an investment committee (the "Investment Committee") of limited partners of CD&R Associates XII, L.P. ("CD&R Associates"), which may be deemed to beneficially own the reported securities. Each of CD&R Holdings GP and CD&R Associates, as well as each member of the Investment Committee, expressly disclaims beneficial ownership of the reported securities, except to the extent of their respective pecuniary interest therein.

SEC source: 0001104659-25-111639 · tm2531103-1_4seq1.xml · nonDerivative · entry 2

CD&R Channel Holdings II, L.P. · CIK 0002044245 · 10% owner

CD&R Investment Associates XII, Ltd. · CIK 0002022047 · 10% owner

CD&R Associates XII, L.P. · CIK 0002023588 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,993,734

F3 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $30.265 to $30.99.

F2 · ownership.direct: These securities are owned directly by CD&R Channel Holdings II, L.P. ("CD&R Holdings II"). CD&R Investment Associates XII, Ltd. ("CD&R Holdings GP") is the general partner of CD&R Holdings II and may be deemed to beneficially own the reported securities. Investment and voting decisions with respect to the reported securities are made by majority vote of an investment committee (the "Investment Committee") of limited partners of CD&R Associates XII, L.P. ("CD&R Associates"), which may be deemed to beneficially own the reported securities. Each of CD&R Holdings GP and CD&R Associates, as well as each member of the Investment Committee, expressly disclaims beneficial ownership of the reported securities, except to the extent of their respective pecuniary interest therein.

SEC source: 0001230422-25-000002 · form4-11122025_061101.xml · nonDerivative · entry 1

TEICH ANDREW C · CIK 0001230422 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 340,620.631

F1 · price: The price reported in this column is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $30.67 to $30.68, inclusive. The Reporting Person undertakes to provide to Resideo Technologies, Inc. ("Resideo"), any security holder of Resideo, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

SEC source: 0001104659-25-111639 · tm2531103-1_4seq1.xml · nonDerivative · entry 1

CD&R Channel Holdings II, L.P. · CIK 0002044245 · 10% owner

CD&R Investment Associates XII, Ltd. · CIK 0002022047 · 10% owner

CD&R Associates XII, L.P. · CIK 0002023588 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,603,734

F1 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $30.35 to $31.10. The Reporting Person undertakes to provide to Resideo Technologies, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote and in footnote 3, 4, 5 and 6.

F2 · ownership.direct: These securities are owned directly by CD&R Channel Holdings II, L.P. ("CD&R Holdings II"). CD&R Investment Associates XII, Ltd. ("CD&R Holdings GP") is the general partner of CD&R Holdings II and may be deemed to beneficially own the reported securities. Investment and voting decisions with respect to the reported securities are made by majority vote of an investment committee (the "Investment Committee") of limited partners of CD&R Associates XII, L.P. ("CD&R Associates"), which may be deemed to beneficially own the reported securities. Each of CD&R Holdings GP and CD&R Associates, as well as each member of the Investment Committee, expressly disclaims beneficial ownership of the reported securities, except to the extent of their respective pecuniary interest therein.

SEC source: 0001277624-25-000005 · form4-10032025_081035.xml · nonDerivative · entry 1

LAZAR JACK R · CIK 0001277624 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 114,881

F1 · shares: Issued under the 2018 Stock Plan for Non-Employee Directors of Resideo Technologies, Inc. in lieu of annual cash retainer fees and to be settled by issuance of shares of Common Stock in a lump sum following termination of service as a director. These stock units are fully vested upon grant.

SEC source: 0001104659-25-087550 · tm2525205-1_4seq1.xml · nonDerivative · entry 2

CD&R Channel Holdings II, L.P. · CIK 0002044245 · 10% owner

CD&R Investment Associates XII, Ltd. · CIK 0002022047 · 10% owner

CD&R Associates XII, L.P. · CIK 0002023588 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,270,734

F3 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $33.21 to $33.92.

F2 · ownership.direct: These securities are owned directly by CD&R Channel Holdings II, L.P. ("CD&R Holdings II"). CD&R Investment Associates XII, Ltd. ("CD&R Holdings GP") is the general partner of CD&R Holdings II and may be deemed to beneficially own the reported securities. Investment and voting decisions with respect to the reported securities are made by majority vote of an investment committee (the "Investment Committee") of limited partners of CD&R Associates XII, L.P. ("CD&R Associates"), which may be deemed to beneficially own the reported securities. Each of CD&R Holdings GP and CD&R Associates, as well as each member of the Investment Committee, expressly disclaims beneficial ownership of the reported securities, except to the extent of their respective pecuniary interest therein.

SEC source: 0001104659-25-087550 · tm2525205-1_4seq1.xml · nonDerivative · entry 1

CD&R Channel Holdings II, L.P. · CIK 0002044245 · 10% owner

CD&R Investment Associates XII, Ltd. · CIK 0002022047 · 10% owner

CD&R Associates XII, L.P. · CIK 0002023588 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,042,161

F1 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $33.10 to $33.73. The Reporting Person undertakes to provide to Resideo Technologies, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote and in footnote 3.

F2 · ownership.direct: These securities are owned directly by CD&R Channel Holdings II, L.P. ("CD&R Holdings II"). CD&R Investment Associates XII, Ltd. ("CD&R Holdings GP") is the general partner of CD&R Holdings II and may be deemed to beneficially own the reported securities. Investment and voting decisions with respect to the reported securities are made by majority vote of an investment committee (the "Investment Committee") of limited partners of CD&R Associates XII, L.P. ("CD&R Associates"), which may be deemed to beneficially own the reported securities. Each of CD&R Holdings GP and CD&R Associates, as well as each member of the Investment Committee, expressly disclaims beneficial ownership of the reported securities, except to the extent of their respective pecuniary interest therein.

SEC source: 0001415889-25-023545 · form4-09032025_080932.xml · nonDerivative · entry 1

TEICH ANDREW C · CIK 0001230422 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 332,472

F1 · price: The price reported in this column is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $33.94 to $34.03, inclusive. The Reporting Person undertakes to provide to Resideo Technologies, Inc. ("Resideo"), any security holder of Resideo, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

SEC source: 0001415889-25-023226 · form4-08282025_080831.xml · nonDerivative · entry 1

Richardson Nina · CIK 0001610535 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,675

F1 · price: The price reported in this column is a weighted average price. These shares were sold in multiple transactions at prices ranging from $34.53 to $34.565, inclusive. The Reporting Person undertakes to provide to Resideo Technologies, Inc. ("Resideo"), any security holder of Resideo, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001104659-25-083183 · tm2524350-1_4seq1.xml · nonDerivative · entry 3

CD&R Channel Holdings II, L.P. · CIK 0002044245 · 10% owner

CD&R Investment Associates XII, Ltd. · CIK 0002022047 · 10% owner

CD&R Associates XII, L.P. · CIK 0002023588 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,862,161

F4 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $33.85 to $34.00.

F2 · ownership.direct: These securities are owned directly by CD&R Channel Holdings II, L.P. ("CD&R Holdings II"). CD&R Investment Associates XII, Ltd. ("CD&R Holdings GP") is the general partner of CD&R Holdings II and may be deemed to beneficially own the reported securities. Investment and voting decisions with respect to the reported securities are made by majority vote of an investment committee (the "Investment Committee") of limited partners of CD&R Associates XII, L.P. ("CD&R Associates"), which may be deemed to beneficially own the reported securities. Each of CD&R Holdings GP and CD&R Associates, as well as each member of the Investment Committee, expressly disclaims beneficial ownership of the reported securities, except to the extent of their respective pecuniary interest therein.

SEC source: 0001104659-25-083183 · tm2524350-1_4seq1.xml · nonDerivative · entry 2

CD&R Channel Holdings II, L.P. · CIK 0002044245 · 10% owner

CD&R Investment Associates XII, Ltd. · CIK 0002022047 · 10% owner

CD&R Associates XII, L.P. · CIK 0002023588 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,849,834

F3 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $33.485 to $34.00.

F2 · ownership.direct: These securities are owned directly by CD&R Channel Holdings II, L.P. ("CD&R Holdings II"). CD&R Investment Associates XII, Ltd. ("CD&R Holdings GP") is the general partner of CD&R Holdings II and may be deemed to beneficially own the reported securities. Investment and voting decisions with respect to the reported securities are made by majority vote of an investment committee (the "Investment Committee") of limited partners of CD&R Associates XII, L.P. ("CD&R Associates"), which may be deemed to beneficially own the reported securities. Each of CD&R Holdings GP and CD&R Associates, as well as each member of the Investment Committee, expressly disclaims beneficial ownership of the reported securities, except to the extent of their respective pecuniary interest therein.

SEC source: 0001104659-25-083183 · tm2524350-1_4seq1.xml · nonDerivative · entry 1

CD&R Channel Holdings II, L.P. · CIK 0002044245 · 10% owner

CD&R Investment Associates XII, Ltd. · CIK 0002022047 · 10% owner

CD&R Associates XII, L.P. · CIK 0002023588 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,829,245

F1 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $32.37 to $32.95. The Reporting Person undertakes to provide to Resideo Technologies, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote and in footnotes 3 and 4.

F2 · ownership.direct: These securities are owned directly by CD&R Channel Holdings II, L.P. ("CD&R Holdings II"). CD&R Investment Associates XII, Ltd. ("CD&R Holdings GP") is the general partner of CD&R Holdings II and may be deemed to beneficially own the reported securities. Investment and voting decisions with respect to the reported securities are made by majority vote of an investment committee (the "Investment Committee") of limited partners of CD&R Associates XII, L.P. ("CD&R Associates"), which may be deemed to beneficially own the reported securities. Each of CD&R Holdings GP and CD&R Associates, as well as each member of the Investment Committee, expressly disclaims beneficial ownership of the reported securities, except to the extent of their respective pecuniary interest therein.

SEC source: 0001104659-25-081503 · tm2524046-1_4seq1.xml · nonDerivative · entry 3

CD&R Channel Holdings II, L.P. · CIK 0002044245 · 10% owner

CD&R Investment Associates XII, Ltd. · CIK 0002022047 · 10% owner

CD&R Associates XII, L.P. · CIK 0002023588 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,815,208

F4 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $31.59 to $32.40.

F2 · ownership.direct: These securities are owned directly by CD&R Channel Holdings II, L.P. ("CD&R Holdings II"). CD&R Investment Associates XII, Ltd. ("CD&R Holdings GP") is the general partner of CD&R Holdings II and may be deemed to beneficially own the reported securities. Investment and voting decisions with respect to the reported securities are made by majority vote of an investment committee (the "Investment Committee") of limited partners of CD&R Associates XII, L.P. ("CD&R Associates"), which may be deemed to beneficially own the reported securities. Each of CD&R Holdings GP and CD&R Associates, as well as each member of the Investment Committee, expressly disclaims beneficial ownership of the reported securities, except to the extent of their respective pecuniary interest therein.

SEC source: 0001104659-25-081503 · tm2524046-1_4seq1.xml · nonDerivative · entry 2

CD&R Channel Holdings II, L.P. · CIK 0002044245 · 10% owner

CD&R Investment Associates XII, Ltd. · CIK 0002022047 · 10% owner

CD&R Associates XII, L.P. · CIK 0002023588 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,565,208

F3 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $31.52 to $32.36.

F2 · ownership.direct: These securities are owned directly by CD&R Channel Holdings II, L.P. ("CD&R Holdings II"). CD&R Investment Associates XII, Ltd. ("CD&R Holdings GP") is the general partner of CD&R Holdings II and may be deemed to beneficially own the reported securities. Investment and voting decisions with respect to the reported securities are made by majority vote of an investment committee (the "Investment Committee") of limited partners of CD&R Associates XII, L.P. ("CD&R Associates"), which may be deemed to beneficially own the reported securities. Each of CD&R Holdings GP and CD&R Associates, as well as each member of the Investment Committee, expressly disclaims beneficial ownership of the reported securities, except to the extent of their respective pecuniary interest therein.

SEC source: 0001104659-25-081503 · tm2524046-1_4seq1.xml · nonDerivative · entry 1

CD&R Channel Holdings II, L.P. · CIK 0002044245 · 10% owner

CD&R Investment Associates XII, Ltd. · CIK 0002022047 · 10% owner

CD&R Associates XII, L.P. · CIK 0002023588 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,268,208

F1 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $31.96 to $32.55. The Reporting Person undertakes to provide to Resideo Technologies, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote and in footnotes 3 and 4.

F2 · ownership.direct: These securities are owned directly by CD&R Channel Holdings II, L.P. ("CD&R Holdings II"). CD&R Investment Associates XII, Ltd. ("CD&R Holdings GP") is the general partner of CD&R Holdings II and may be deemed to beneficially own the reported securities. Investment and voting decisions with respect to the reported securities are made by majority vote of an investment committee (the "Investment Committee") of limited partners of CD&R Associates XII, L.P. ("CD&R Associates"), which may be deemed to beneficially own the reported securities. Each of CD&R Holdings GP and CD&R Associates, as well as each member of the Investment Committee, expressly disclaims beneficial ownership of the reported securities, except to the extent of their respective pecuniary interest therein.

SEC source: 0001104659-25-079937 · tm2523763-1_4seq1.xml · nonDerivative · entry 3

CD&R Channel Holdings II, L.P. · CIK 0002044245 · 10% owner

CD&R Investment Associates XII, Ltd. · CIK 0002022047 · 10% owner

CD&R Associates XII, L.P. · CIK 0002023588 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,132,567

F4 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $31.37 to $31.855.

F2 · ownership.direct: These securities are owned directly by CD&R Channel Holdings II, L.P. ("CD&R Holdings II"). CD&R Investment Associates XII, Ltd. ("CD&R Holdings GP") is the general partner of CD&R Holdings II and may be deemed to beneficially own the reported securities. Investment and voting decisions with respect to the reported securities are made by majority vote of an investment committee (the "Investment Committee") of limited partners of CD&R Associates XII, L.P. ("CD&R Associates"), which may be deemed to beneficially own the reported securities. Each of CD&R Holdings GP and CD&R Associates, as well as each member of the Investment Committee, expressly disclaims beneficial ownership of the reported securities, except to the extent of their respective pecuniary interest therein.

SEC source: 0001104659-25-079937 · tm2523763-1_4seq1.xml · nonDerivative · entry 2

CD&R Channel Holdings II, L.P. · CIK 0002044245 · 10% owner

CD&R Investment Associates XII, Ltd. · CIK 0002022047 · 10% owner

CD&R Associates XII, L.P. · CIK 0002023588 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,021,567

F3 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $31.045 to $32.00.

F2 · ownership.direct: These securities are owned directly by CD&R Channel Holdings II, L.P. ("CD&R Holdings II"). CD&R Investment Associates XII, Ltd. ("CD&R Holdings GP") is the general partner of CD&R Holdings II and may be deemed to beneficially own the reported securities. Investment and voting decisions with respect to the reported securities are made by majority vote of an investment committee (the "Investment Committee") of limited partners of CD&R Associates XII, L.P. ("CD&R Associates"), which may be deemed to beneficially own the reported securities. Each of CD&R Holdings GP and CD&R Associates, as well as each member of the Investment Committee, expressly disclaims beneficial ownership of the reported securities, except to the extent of their respective pecuniary interest therein.

SEC source: 0001415889-25-022322 · form4-08192025_090807.xml · nonDerivative · entry 1

Carlet Michael · CIK 0001873242 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 158,527

SEC source: 0001104659-25-079937 · tm2523763-1_4seq1.xml · nonDerivative · entry 1

CD&R Channel Holdings II, L.P. · CIK 0002044245 · 10% owner

CD&R Investment Associates XII, Ltd. · CIK 0002022047 · 10% owner

CD&R Associates XII, L.P. · CIK 0002023588 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,681,704

F1 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $31.635 to $32.00. The Reporting Person undertakes to provide to Resideo Technologies, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote and in footnotes 3 and 4.

F2 · ownership.direct: These securities are owned directly by CD&R Channel Holdings II, L.P. ("CD&R Holdings II"). CD&R Investment Associates XII, Ltd. ("CD&R Holdings GP") is the general partner of CD&R Holdings II and may be deemed to beneficially own the reported securities. Investment and voting decisions with respect to the reported securities are made by majority vote of an investment committee (the "Investment Committee") of limited partners of CD&R Associates XII, L.P. ("CD&R Associates"), which may be deemed to beneficially own the reported securities. Each of CD&R Holdings GP and CD&R Associates, as well as each member of the Investment Committee, expressly disclaims beneficial ownership of the reported securities, except to the extent of their respective pecuniary interest therein.

SEC source: 0001104659-25-077030 · tm2523266-1_4seq1.xml · nonDerivative · entry 5

CD&R Channel Holdings II, L.P. · CIK 0002044245 · 10% owner

CD&R Investment Associates XII, Ltd. · CIK 0002022047 · 10% owner

CD&R Associates XII, L.P. · CIK 0002023588 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,478,543

F6 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $31.42 to $31.585.

F2 · ownership.direct: These securities are owned directly by CD&R Channel Holdings II, L.P. ("CD&R Holdings II"). CD&R Investment Associates XII, Ltd. ("CD&R Holdings GP") is the general partner of CD&R Holdings II and may be deemed to beneficially own the reported securities. Investment and voting decisions with respect to the reported securities are made by majority vote of an investment committee (the "Investment Committee") of limited partners of CD&R Associates XII, L.P. ("CD&R Associates"), which may be deemed to beneficially own the reported securities. Each of CD&R Holdings GP and CD&R Associates, as well as each member of the Investment Committee, expressly disclaims beneficial ownership of the reported securities, except to the extent of their respective pecuniary interest therein.

SEC source: 0001104659-25-077030 · tm2523266-1_4seq1.xml · nonDerivative · entry 4

CD&R Channel Holdings II, L.P. · CIK 0002044245 · 10% owner

CD&R Investment Associates XII, Ltd. · CIK 0002022047 · 10% owner

CD&R Associates XII, L.P. · CIK 0002023588 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,446,664

F5 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $30.42 to $31.41.

F2 · ownership.direct: These securities are owned directly by CD&R Channel Holdings II, L.P. ("CD&R Holdings II"). CD&R Investment Associates XII, Ltd. ("CD&R Holdings GP") is the general partner of CD&R Holdings II and may be deemed to beneficially own the reported securities. Investment and voting decisions with respect to the reported securities are made by majority vote of an investment committee (the "Investment Committee") of limited partners of CD&R Associates XII, L.P. ("CD&R Associates"), which may be deemed to beneficially own the reported securities. Each of CD&R Holdings GP and CD&R Associates, as well as each member of the Investment Committee, expressly disclaims beneficial ownership of the reported securities, except to the extent of their respective pecuniary interest therein.

SEC source: 0001104659-25-077030 · tm2523266-1_4seq1.xml · nonDerivative · entry 3

CD&R Channel Holdings II, L.P. · CIK 0002044245 · 10% owner

CD&R Investment Associates XII, Ltd. · CIK 0002022047 · 10% owner

CD&R Associates XII, L.P. · CIK 0002023588 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,230,232

F4 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $29.42 to $30.415.

F2 · ownership.direct: These securities are owned directly by CD&R Channel Holdings II, L.P. ("CD&R Holdings II"). CD&R Investment Associates XII, Ltd. ("CD&R Holdings GP") is the general partner of CD&R Holdings II and may be deemed to beneficially own the reported securities. Investment and voting decisions with respect to the reported securities are made by majority vote of an investment committee (the "Investment Committee") of limited partners of CD&R Associates XII, L.P. ("CD&R Associates"), which may be deemed to beneficially own the reported securities. Each of CD&R Holdings GP and CD&R Associates, as well as each member of the Investment Committee, expressly disclaims beneficial ownership of the reported securities, except to the extent of their respective pecuniary interest therein.

SEC source: 0001415889-25-021892 · form4-08142025_080816.xml · nonDerivative · entry 1

Geldmacher Jay L · CIK 0001462488 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 519,689

F1 · price: The price reported in this column is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.82 to $31.44, inclusive. The Reporting Person undertakes to provide to Resideo Technologies, Inc. ("Resideo"), any security holder of Resideo, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001415889-25-021890 · form4-08142025_080847.xml · derivative · entry 3

Kelly Stephen Montgomery · CIK 0001754777 · EVP, Chief HR Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 38,053 shares

Expires 2026-02-10

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: Fully vested.

SEC source: 0001415889-25-021890 · form4-08142025_080847.xml · nonDerivative · entry 2

Kelly Stephen Montgomery · CIK 0001754777 · EVP, Chief HR Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 233,289

F1 · shares: Consists of shares withheld by the issuer to satisfy the reporting person's exercise price and tax withholding obligation upon the exercise of stock options.

SEC source: 0001415889-25-021890 · form4-08142025_080847.xml · nonDerivative · entry 1

Kelly Stephen Montgomery · CIK 0001754777 · EVP, Chief HR Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 266,259

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001415889-25-021887 · form4-08142025_080821.xml · derivative · entry 3

Lane Jeannine J · CIK 0001753285 · EVP, GC and Corp Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 35,398 shares

Expires 2026-02-10

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: Fully vested.

SEC source: 0001415889-25-021887 · form4-08142025_080821.xml · nonDerivative · entry 2

Lane Jeannine J · CIK 0001753285 · EVP, GC and Corp Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 155,136

F2 · price: The price reported in this column is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.31 to $31.345, inclusive. The Reporting Person undertakes to provide to Resideo Technologies, Inc. ("Resideo"), any security holder of Resideo, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001415889-25-021887 · form4-08142025_080821.xml · nonDerivative · entry 1

Lane Jeannine J · CIK 0001753285 · EVP, GC and Corp Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 190,534

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: Following a reconciliation of the reporting person's ownership records, the balance includes 352 shares that were inadvertently omitted from the reporting person's prior Form 4s.

SEC source: 0001610535-26-000002 · form4-04102026_080450.xml · nonDerivative · entry 1

Richardson Nina · CIK 0001610535 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 57,886

F1 · shares: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2024.

SEC source: 0001104659-25-077030 · tm2523266-1_4seq1.xml · nonDerivative · entry 2

CD&R Channel Holdings II, L.P. · CIK 0002044245 · 10% owner

CD&R Investment Associates XII, Ltd. · CIK 0002022047 · 10% owner

CD&R Associates XII, L.P. · CIK 0002023588 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,138,815

F3 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $27.10 to $27.67.

F2 · ownership.direct: These securities are owned directly by CD&R Channel Holdings II, L.P. ("CD&R Holdings II"). CD&R Investment Associates XII, Ltd. ("CD&R Holdings GP") is the general partner of CD&R Holdings II and may be deemed to beneficially own the reported securities. Investment and voting decisions with respect to the reported securities are made by majority vote of an investment committee (the "Investment Committee") of limited partners of CD&R Associates XII, L.P. ("CD&R Associates"), which may be deemed to beneficially own the reported securities. Each of CD&R Holdings GP and CD&R Associates, as well as each member of the Investment Committee, expressly disclaims beneficial ownership of the reported securities, except to the extent of their respective pecuniary interest therein.

SEC source: 0001415889-25-021512 · form4-08122025_100815.xml · nonDerivative · entry 1

Carlet Michael · CIK 0001873242 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 160,861