Leibrock Robert William 4

What Happened
Robert W. Leibrock, Chief Financial Officer of ACI Worldwide, disposed of 1,289 shares to the issuer on June 6, 2026 at $42.80 per share, for total value of $55,169. This disposition was a surrender of shares to the company (not an open-market sale) to satisfy a tax obligation tied to recently vesting restricted stock units.

Key Details

• Transaction date and price: 2026-06-06 — 1,289 shares at $42.80 each.
• Total proceeds/value: $55,169 (disposition to issuer).
• Transaction code: D (disposition to issuer); footnote F1 clarifies these shares were surrendered to pay tax withholding.
• Footnote F1: Shares surrendered represent payment of taxes on the vesting of 4,113 restricted stock units (one twelfth of the RSU grant dated March 6, 2026).
• Shares owned after transaction: Not specified in the Form 4 filing.
• Filing timeliness: Report filed on 2026-06-08 for a 2026-06-06 transaction — appears to be filed timely (within the SEC’s Form 4 reporting window).

Context
This was a tax-withholding share surrender associated with RSU vesting, a routine administrative transaction common among executives. Because the shares were surrendered to the issuer to cover taxes (not sold on the open market), it should not be interpreted as a deliberate cash-out or a directional bet on the stock.