Burton Karen L 4

What Happened Karen L. Burton, Senior Vice President and Chief Financial Officer of STERIS plc, had 190 shares withheld to satisfy tax withholding obligations tied to 651 restricted shares that vested on June 3, 2026. The 190 withheld shares were valued at the NYSE close of $210.19 per share, totaling $39,936. This transaction is a tax-withholding disposition (code F), a routine administrative action rather than an open-market sale or purchase.

Key Details

• Transaction date: June 3, 2026; Form 4 filed June 5, 2026 (appears timely).
• Withheld/disposed: 190 shares at $210.19 each; total value $39,936.
• These 190 shares were withheld from 651 restricted shares that vested on June 3, 2026; the remaining 461 vested shares were not withheld.
• As of June 3, 2026, 9,588 ordinary shares remain subject to restrictions. Vesting schedule for those restricted shares (per filing): 306 on Jun 4, 2026; 783 on Oct 1, 2026; 1,775 on Jun 2, 2027; 651 on Jun 3, 2027; 306 on Jun 4, 2027; 783 on Oct 1, 2027; 1,775 on Jun 2, 2028; 651 on Jun 5, 2028; 783 on Oct 1, 2028; and 1,775 on Jun 4, 2029.
• Transaction code F = tax withholding to satisfy employment/tax obligations (valued at NYSE close price).

Context This was a routine tax-withholding event tied to RSU vesting (sometimes called a cashless/withholding disposition) and does not indicate an open-market sale or insider buying interest. Such withholdings are common when restricted stock or RSUs vest and are typically used solely to cover required taxes.