Mary Clare Fraser - 01 Oct 2025 Form 4 Insider Report for STERIS plc (STE)

Role: SVP & Chief HRO
Signature: /s/ John P. Ubbing, Authorized Representative under Power of Attorney
Issuer symbol: STE
Transactions as of: 01 Oct 2025
Net transactions value: $0
Form type: 4
Filing time: 03 Oct 2025, 16:50:56 UTC
Previous filing: 05 Jun 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Fraser Mary Clare	SVP & Chief HRO	70 SIR JOHN ROGERSON'S QUAY, DUBLIN 2, IRELAND	/s/ John P. Ubbing, Authorized Representative under Power of Attorney	03 Oct 2025	0001818882

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	STE	Ordinary Shares	Tax liability	$0	-207	-1.6%	$0.000000	12,882	01 Oct 2025	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	207 shares were withheld from the 692 restricted shares that vested on October 1, 2025. These 201 shares represent the value of the taxes required to be withheld pursuant to applicable employment or tax laws, as determined by the Issuer. These 692 ordinary shares were awarded to Ms. Fraser on October 1, 2021. These vested shares were valued at the NYSE closing market price on October 1, 2025.
F2	As of October 1, 2025, 8,886 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 2,313 on June 1, 2026; 2,028 on June 2, 2026; 2,040 on June 4, 2027 and 2,505 on June 5, 2028.