Insider Transaction Report for Arcosa, Inc.

This filing details a transaction by LINDSAY JOHN W, a director at Arcosa, Inc. On June 30, 2026, Mr. Lindsay acquired 3 Arcosa Phantom Stock Units, which are economically equivalent to common stock and will be settled in cash upon termination of services. The acquisition occurred at a price of $145.29 per unit, bringing the total post-transaction ownership to 7,402 units. These phantom stock units were accrued under the Arcosa, Inc. Deferred Plan for Director Fees. The transaction is reported on Form 4, with a signature date of July 1, 2026.