Zangerle John Adam 4

What Happened

John Adam Zangerle, Senior Vice President, General Counsel and Secretary of STERIS plc, had 365 ordinary shares withheld to satisfy tax withholding obligations related to restricted stock that vested on June 3, 2026. The withheld shares were disposed at the NYSE closing price of $210.19 per share, for a total value of $76,719. This was a tax-withholding (code F) event tied to vested RSUs, not an open-market sale for investment reasons.

Key Details

• Transaction date: June 3, 2026; filing date: June 5, 2026 (filed timely).
• Withheld shares: 365 at $210.19 each; total value $76,719.
• These 365 shares were withheld from 1,252 restricted shares that vested on June 3, 2026; net issued to the insider from that grant = 887 shares (1,252 vested − 365 withheld).
• As of June 3, 2026, 9,615 ordinary shares held by the insider remain subject to restrictions (per footnote).
• Vesting schedule for restricted shares (per filing): 1,376 on 6/4/2026; 1,453 on 6/2/2027; 1,252 on 6/3/2027; 1,376 on 6/4/2027; 1,453 on 6/2/2028; 1,252 on 6/5/2028; 1,453 on 6/4/2029.
• Transaction code: F = tax withholding; this is a routine, administrative disposition.

Context

Tax-withholding by retaining or “netting” shares upon RSU vesting is common and does not necessarily signal insider sentiment about the stock. This filing reports a withholding disposition (not an open-market sale or a purchase). The Form 4 was filed promptly after the June 3 transaction.