Company: ACA
Filing Date: 2025-04-01
Form Type: DEF 14A
Source: 0001739445-25-000058
Chunk: 35

Company: Arcosa, Inc.
Filing Date: 2025-04-01
Form: DEF 14A
Chunk 35
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 which will vest on the same schedule as the corresponding TBRSUs.

The remaining 60% of the NEO's target LTI compensation opportunity was granted in the form of PBRSUs for the 2024-2026 performance period based on three-year average Pre-Tax Return on Capital, Cumulative Adjusted Earnings Per Share, and rTSR. Each PBRSU earned will convert into either one share of Common Stock or the cash value of one share of Common Stock and vest on March 15, 2027. During the vesting period, recipients do not earn dividends on, and are not entitled to vote with respect to, the PBRSUs.

See "2024 Annual Compensation Determination—2024 Long-Term Incentive Compensation" under "Compensation Discussion and Analysis" above for a description of the terms of 2024 LTI compensation.

In the "Grants of Plan-Based Awards" table, the estimates for future payouts under the 2024 AIP awards represent potential payments of annual incentive compensation for 2024 based on achievement of specified performance metrics. See "2024 Annual Compensation Determination—Annual Incentive Compensation" under "Compensation Discussion and Analysis" above for a description of the 2024 AIP awards.

We have a 401(k) plan that permits employees to elect to set aside a portion of their compensation (subject to the maximum limit on the amount of compensation permitted by the Code to be deferred for this purpose) in a trust to pay future retirement benefits. For 2024, we matched up to six percent of the employee’s eligible compensation set aside for this purpose with the cumulative amount of our match capped at $20,700. See "Compensation Discussion and Analysis—Other Compensation Plans—Post-Employment Benefits."

### OUTSTANDING EQUITY AWARDS AT YEAR-END
The following table summarizes as of December 31, 2024, for each NEO, the number of shares of unvested stock awards held in both Arcosa and Former Parent. The market value of the stock awards was based on the closing price of the Common Stock as of December 31, 2024, which was $96.74 for Arcosa (stock ticker "ACA") and $35.10 for our Former Parent (stock ticker "TRN").

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#### Executive CompensationTable of Contents
| Name                                                    |     | Stock Awards |        |     |    |     |           |                                                               |    |     |        |