CHIN DEAN A

SEC source: 0001225208-26-006611 · doc4.xml · nonDerivative · entry 1

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,993

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.30 to $45.36, inclusive. The reporting person undertakes to provide ABM Industries Incorporated, any security holder of ABM Industries Incorporated, 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 ranges set forth in footnote 1 of this Form 4.

F2 · balance_after: Includes shares acquired pursuant to dividend reinvestment in transactions exempt from Section 16 pursuant to Rule 16a-11.

SEC source: 0001225208-26-000577 · doc4.xml · nonDerivative · entry 5

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,834

F3 · balance_after: Includes shares acquired pursuant to dividend reinvestment in transactions exempt from Section 16 pursuant to Rule 16a-11.

SEC source: 0001225208-26-000577 · doc4.xml · nonDerivative · entry 4

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,066

SEC source: 0001225208-26-000577 · doc4.xml · nonDerivative · entry 3

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,314

F2 · shares: Represents shares of Issuer common stock acquired pursuant to vesting of relative-total stockholder return modified performance shares that were granted to the reporting person in January 2023 and have vested based upon the satisfaction of performance criteria specified for the award at the time of grant.

SEC source: 0001225208-26-000577 · doc4.xml · nonDerivative · entry 2

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,021

SEC source: 0001225208-26-000577 · doc4.xml · nonDerivative · entry 1

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,115

F1 · shares: Restricted stock units (RSUs) granted under the 2021 Equity and Incentive Compensation Plan, representing a contingent right to receive shares of common stock. Such RSUs vest in three equal annual installments beginning a year from the grant date, and will settle in shares of common stock. Dividend equivalent rights will accrue.

SEC source: 0001225208-25-008428 · doc4.xml · nonDerivative · entry 1

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,217

F1 · balance_after: Includes shares acquired pursuant to dividend reinvestment in transactions exempt from Section 16 pursuant to Rule 16a-11

SEC source: 0001225208-25-000682 · doc4.xml · nonDerivative · entry 1

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,681

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $52.25 to $52.42, inclusive. The reporting person undertakes to provide ABM Industries Incorporated, any security holder of ABM Industries Incorporated, 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 ranges set forth in footnote 1 of this Form 4.

SEC source: 0001225208-25-000603 · doc4.xml · nonDerivative · entry 1

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,962

SEC source: 0001225208-25-000549 · doc4.xml · nonDerivative · entry 5

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,203

F3 · balance_after: Includes shares acquired pursuant to dividend reinvestment in transactions exempt from Section 16 pursuant to Rule 16a-11.

SEC source: 0001225208-25-000549 · doc4.xml · nonDerivative · entry 4

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,771

F2 · shares: Restricted stock units (RSUs) granted under the 2021 Equity and Incentive Compensation Plan, representing a contingent right to receive shares of common stock. Such RSUs vest in three equal annual installments beginning a year from the grant date, and will settle in shares of common stock. Dividend equivalent rights will accrue.

SEC source: 0001225208-25-000549 · doc4.xml · nonDerivative · entry 3

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,122

SEC source: 0001225208-25-000549 · doc4.xml · nonDerivative · entry 2

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,391

F1 · shares: Represents shares of Issuer common stock acquired pursuant to vesting of relative-total stockholder return modified performance shares that were granted to the reporting person in January 2022 and have vested based upon the satisfaction of performance criteria specified for the award at the time of grant.

SEC source: 0001225208-25-000549 · doc4.xml · nonDerivative · entry 1

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,285

SEC source: 0001225208-24-007413 · doc4.xml · nonDerivative · entry 1

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,493

SEC source: 0001225208-24-005875 · doc4.xml · nonDerivative · entry 1

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,535

F1 · shares: Dividend equivalent rights (DERs) accrued on the restricted stock units granted under the 2021 Equity and Incentive Compensation Plan. DERs vest in the same manner as the restricted stock units to which they relate. Each DER is the economic equivalent of one share of ABM common stock.

SEC source: 0001225208-24-004480 · doc4.xml · nonDerivative · entry 1

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,972

SEC source: 0001225208-24-001703 · doc4.xml · nonDerivative · entry 1

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,437

F1 · shares: Dividend equivalent rights (DERs) accrued on the restricted stock units granted under the 2021 Equity and Incentive Compensation Plan. DERs vest in the same manner as the restricted stock units to which they relate. Each DER is the economic equivalent of one share of ABM common stock.

SEC source: 0001225208-24-000864 · doc4.xml · nonDerivative · entry 2

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,428

SEC source: 0001225208-24-000864 · doc4.xml · nonDerivative · entry 1

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,634

F1 · shares: Restricted stock units (RSUs) granted under the 2021 Equity and Incentive Compensation Plan, representing a contingent right to receive shares of common stock. Such RSUs vest in three equal annual installments beginning a year from the grant date, and will settle in shares of common stock. Dividend equivalent rights will accrue.

SEC source: 0001225208-24-005857 · doc4a.xml · nonDerivative · entry 1

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,161

F1 · shares: Restricted stock units (RSUs) granted under the 2021 Equity and Incentive Compensation Plan, representing a contingent right to receive shares of common stock. Such RSUs vest in three equal annual installments beginning a year from the grant date, and will settle in shares of common stock. Dividend equivalent rights will accrue.

SEC source: 0001225208-24-000667 · doc4.xml · nonDerivative · entry 3

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,103

SEC source: 0001225208-24-000667 · doc4.xml · nonDerivative · entry 2

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,383

F1 · shares: Represents shares of Issuer common stock acquired pursuant to vesting of relative-total stockholder return modified performance shares that were granted to the reporting person in January 2021 and have vested based upon the satisfaction of performance criteria specified for the award at the time of grant.

SEC source: 0001225208-24-000667 · doc4.xml · nonDerivative · entry 1

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,544

SEC source: 0001225208-23-010092 · doc4.xml · nonDerivative · entry 1

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,793

F1 · shares: Dividend equivalent rights (DERs) accrued on the restricted stock units granted under the 2006 Equity Incentive Plan and the 2021 Equity and Incentive Compensation Plan. DERs vest in the same manner as the restricted stock units to which they relate. Each DER is the economic equivalent of one share of ABM common stock.

SEC source: 0001225208-23-008155 · doc4.xml · nonDerivative · entry 1

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,772

F1 · shares: Dividend equivalent rights (DERs) accrued on the restricted stock units granted under the 2006 Equity Incentive Plan and the 2021 Equity and Incentive Compensation Plan. DERs vest in the same manner as the restricted stock units to which they relate. Each DER is the economic equivalent of one share of ABM common stock.

SEC source: 0001225208-23-005313 · doc4.xml · nonDerivative · entry 1

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,754

F1 · shares: Dividend equivalent rights (DERs) accrued on the restricted stock units granted under the 2006 Equity Incentive Plan and the 2021 Equity and Incentive Compensation Plan. DERs vest in the same manner as the restricted stock units to which they relate. Each DER is the economic equivalent of one share of ABM common stock.

SEC source: 0001225208-23-001934 · doc4.xml · nonDerivative · entry 1

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,735

F1 · shares: The sale of shares reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on January 13, 2023.

SEC source: 0001225208-23-001562 · doc4.xml · nonDerivative · entry 1

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,550

F1 · shares: Dividend equivalent rights (DERs) accrued on the restricted stock units granted under the 2021 Equity and Incentive Compensation Plan. DERs vest in the same manner as the restricted stock units to which they relate.Each DER is the economic equivalent of one share of ABM common stock.

SEC source: 0001225208-23-000583 · doc4.xml · nonDerivative · entry 4

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,533

F3 · shares: The sale of shares reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on September 14, 2022.

SEC source: 0001225208-23-000583 · doc4.xml · nonDerivative · entry 3

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,053

F2 · shares: Restricted stock units (RSUs) granted under the 2021 Equity and Incentive Compensation Plan, representing a contingent right to receive shares of common stock. Units vest in three equal annual installments beginning a year from the grant date, and will settle in shares of common stock. Dividend equivalent rights (DERs) will accrue.

SEC source: 0001225208-23-000538 · doc4.xml · nonDerivative · entry 3

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,808

SEC source: 0001225208-23-000583 · doc4.xml · nonDerivative · entry 2

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,369

SEC source: 0001225208-23-000583 · doc4.xml · nonDerivative · entry 1

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,300

F1 · shares: Represents shares of Issuer common stock issued upon the vesting of relative-total stockholder return ("TSR") modified performance shares previously granted on January 9, 2020, which vested on January 9, 2023, based on the Issuer's satisfaction of performance criteria and the Issuer's relative TSR performance in the 3-year period beginning November 1, 2019, and ended October 31, 2022, as compared to the S&P Composite 1500 Commercial Services & Supplies Index.

SEC source: 0001225208-23-000538 · doc4.xml · nonDerivative · entry 2

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,583

SEC source: 0001225208-23-000538 · doc4.xml · nonDerivative · entry 1

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,772

SEC source: 0001225208-22-011534 · doc4.xml · nonDerivative · entry 1

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,017

F1 · shares: Dividend equivalent rights (DERs) accrued on the restricted stock units granted under the 2006 Equity Incentive Plan and the 2021 Equity and Incentive Compensation Plan. DERs vest in the same manner as therestricted stock units to which they relate. Each DER is the economic equivalent of one share of ABM common stock.

SEC source: 0001225208-22-011171 · doc4.xml · nonDerivative · entry 1

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,994

F1 · kind: The sale of shares reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on September 15, 2022.

SEC source: 0001225208-22-009608 · doc4.xml · nonDerivative · entry 1

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,515

F1 · kind: The sale of shares reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 31, 2022.

SEC source: 0001225208-22-009224 · doc4.xml · nonDerivative · entry 1

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,724

F1 · shares: Dividend equivalent rights (DERs) accrued on the restricted stock units granted under the 2021 Equity and Incentive Compensation Plan. DERs vest in the same manner as the restricted stock units to which they relate. Each DER is the economic equivalent of one share of ABM common stock.

SEC source: 0001225208-22-008792 · doc4.xml · nonDerivative · entry 1

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,702

F1 · shares: Represents common stock withheld by the Issuer to cover tax withholding obligations arising from the vesting of a previous grant of Restricted Stock Units.

SEC source: 0001225208-22-006490 · doc4.xml · nonDerivative · entry 2

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,052

F2 · kind: The sale of shares reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 31, 2022.

SEC source: 0001225208-22-006490 · doc4.xml · nonDerivative · entry 1

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,709

F1 · shares: Dividend equivalent rights (DERs) accrued on the restricted stock units granted under the 2006 Equity Incentive Plan and the 2021 Equity and Incentive Compensation Plan. DERs vest in the same manner as the restricted stock units to which they relate. Each DER is the economic equivalent of one share of ABM common stock.

SEC source: 0001225208-22-001741 · doc4.xml · nonDerivative · entry 1

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,673

F1 · shares: Dividend equivalent rights (DERs) accrued on the restricted stock units granted under the 2006 Equity Incentive Plan. DERs vest in the same manner as the restricted stock units to which they relate. Each DER is the economic equivalent of one share of ABM common stock.

SEC source: 0001225208-22-000687 · doc4.xml · nonDerivative · entry 6

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,632

F2 · shares: Represents common stock withheld by the Issuer to cover tax withholding obligations arising from the vesting of a previous grant of restricted stock units.

SEC source: 0001225208-22-000687 · doc4.xml · nonDerivative · entry 5

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,080

F4 · shares: Represents common stock withheld by the Issuer to cover tax withholding obligations arising from the vesting of TSR-modified performance shares.

SEC source: 0001225208-22-000687 · doc4.xml · nonDerivative · entry 4

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,975

F2 · shares: Represents common stock withheld by the Issuer to cover tax withholding obligations arising from the vesting of a previous grant of restricted stock units.

SEC source: 0001225208-22-000687 · doc4.xml · nonDerivative · entry 3

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,187

F3 · shares: Represents the number of shares of common stock issued pursuant to TSR-modified performance shares previously granted on 1/9/2019, based on the Issuer's satisfaction of performance criteria and the Issuer's TSR performance in the 3-year period beginning 11/1/2018 and ended 10/31/2021 as compared to the S&P Composite 1500 Commercial Services & Supplies Index.

SEC source: 0001225208-22-000687 · doc4.xml · nonDerivative · entry 2

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,251

F2 · shares: Represents common stock withheld by the Issuer to cover tax withholding obligations arising from the vesting of a previous grant of restricted stock units.

SEC source: 0001225208-22-000687 · doc4.xml · nonDerivative · entry 1

CHIN DEAN A · CIK 0001492719 · SVP - Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,649

F1 · shares: Restricted stock units (RSUs) granted under the 2021 Equity and Incentive Compensation Plan, representing a contingent right to receive shares of common stock. Units vest in three equal annual installments beginning a year from the grant date, and will settle in shares of common stock. Dividend equivalent rights (DERs) will accrue.