Buckley Peter J. 4

What Happened

• Peter J. Buckley, President, International Division of CRH, had one-third of a 10,317 restricted share unit (RSU) award vest on May 13, 2026. The vesting converted into 3,487 ordinary shares (including 48 dividend-equivalent shares).
• To satisfy withholding tax, 1,742 of those shares were mandatorily sold at a volume-weighted average price of $110.43 for proceeds of $192,375. The remaining ~1,745 vested shares were retained (shares owned following the transaction not disclosed).

Key Details

• Transaction date: May 13, 2026; Form 4 filed May 15, 2026 (timely within the 2-business-day window).
• Conversions/exercises: 3,487 shares reported acquired at $0.00 (conversion of RSUs, transaction code M).
• Tax withholding sale: 1,742 shares disposed (transaction code F) at a reported VWAP $110.43 for $192,375; sale prices ranged between $109.2007 and $111.515 (footnote F3).
• Additional reported line: 3,439 RSUs noted in the filing reflects the base 1/3 vesting (the 48 extra shares are dividend equivalents) (footnote F1).
• Footnotes: F1 = 1/3 vesting of a 10,317 RSU award (includes 48 dividend-equivalent shares); F2 = mandatory sale to cover withholding tax; F3 = VWAP/price range and availability of full sale details on request.
• Shares owned after transaction: not provided in the filing.

Context

• This was a vesting/conversion of RSUs, not an open-market investment purchase. The sale was a routine, mandatory tax-withholding sale rather than a discretionary sell decision by the insider.
• Transaction codes: M = exercise/conversion of derivative (RSU vesting into shares); F = withholding/tax-related disposition.