STERIS plc — Director's Dealing 2025

Nov 13, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: STERIS plc (STE)
CIK: 0001757898
Period of Report: 2025-11-11

Reporting Person: Zangerle John Adam (Sr. VP, Gen Counsel, and Sec.)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-11-11	Ordinary Shares	M	15000	$69.72	Acquired	48669	Direct
2025-11-11	Ordinary Shares	S	15000	$265.14	Disposed	33669	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-11-11	Employee Stock Option (right to buy)	$69.72	M	15000	Disposed	2026-06-01	Ordinary Shares (15000)	Direct

Footnotes

F1: As of November 11, 2025, 8,511 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 1,157 on June 1, 2026; 846 on June 2, 2026; 1,252 on June 3, 2026; 1,376 on June 4, 2026; 1,252 on June 3 2027; 1,376 on June 4, 2027 and 1,252 on June 5, 2028.

F2: Price reflects a weighted average sale price for multiple transactions ranging from $265.00 to $265.95 per share, inclusive. The Reporting Person undertakes to provide, upon request by the SEC Staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F3: This option to purchase 15,000 STERIS plc ordinary shares, which is fully vested, was received in connection with the redomiciliation of STERIS plc to Ireland in March 2019 in exchange for an option to purchase 15,000 ordinary shares for $69.72 per share in STERIS plc prior to the redomiciliation ("Old STERIS"), subject to the same terms and conditions as the original Old STERIS stock option.