Lindsey McGowan - 01 Jan 2026 Form 3 Insider Report for STERIS plc (STE)

Signature
/s/ John P. Ubbing, Authorized Representative under Power of Attorney
Issuer symbol
STE
Transactions as of
01 Jan 2026
Net transactions value
$0
Form type
3
Filing time
06 Jan 2026, 16:31:17 UTC
Next filing
06 Jan 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
McGowan Lindsey VP, Chf. Comp. & Quality Offc. 70 SIR JOHN ROGERSON'S QUAY, DUBLIN 2, IRELAND /s/ John P. Ubbing, Authorized Representative under Power of Attorney 06 Jan 2026 0002102487

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding STE Ordinary Shares 4,230 01 Jan 2026 Direct F1
holding STE Ordinary Shares 248 01 Jan 2026 See Footnote Below F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
holding STE Employee Stock Option (right to buy) 01 Jan 2026 Ordinary Shares 2,480 $219.97 Direct F3
holding STE Employee Stock Option (right to buy) 01 Jan 2026 Ordinary Shares 2,008 $251.34 Direct F4
holding STE Employee Stock Option (right to buy) 01 Jan 2026 Ordinary Shares 2,056 $267.66 Direct F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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.

Remarks:

Exhibit 24 - Power of Attorney