STERIS plc — Director's Dealing 2026

Jan 6, 2026

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: STERIS plc (STE)
CIK: 0001757898
Period of Report: 2026-01-01

Reporting Person: McGowan Lindsey (VP, Chf. Comp. & Quality Offc.)

Holdings (Non-Derivative)

Security	Shares	Ownership
Ordinary Shares	4230	Direct
Ordinary Shares	248	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Employee Stock Option (right to buy)	$219.97	2033-05-31	Ordinary Shares (2480)		Direct
Employee Stock Option (right to buy)	$251.34	2034-06-04	Ordinary Shares (2008)		Direct
Employee Stock Option (right to buy)	$267.66	2035-06-03	Ordinary Shares (2056)		Direct

Footnotes

F1: As of January 1, 2026, 2,952 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 660 on May 31, 2026; 1,128 on June 2, 2026; 588 on June 4, 2027 and 576 on June 3, 2028.

F2: Units representing 248 ordinary share equivalents are held on behalf of the Reporting Person under the STERIS Corporation 401(k) Plan as of January 2, 2026.

F3: 1,240 of these options are exercisable. This option becomes exercisable as follows: 620 on June 1, 2026 and 620 on May 31, 2027.

F4: 502 of these options are exercisable. This option becomes exercisable as follows: 502 on June 4, 2026; 502 on June 4, 2027 and 502 on June 5, 2028.

F5: This option becomes exercisable as follows: 514 on June 3, 2026; 514 on June 3, 2027; 514 on June 5, 2028 and 514 on June 4, 2029.