[Form 4] STERIS plc Insider Trading Activity

Rhea-AI Filing Summary

STERIS plc senior executive Kenneth E. Kohler reported routine equity compensation and related tax withholding. He received 2,199 ordinary shares as a grant and 7,668 employee stock options to buy ordinary shares at $230.74 per share, expiring on June 2, 2036.

The filing also shows 66 ordinary shares valued at $209.76 each were withheld to cover taxes on 225 restricted shares that vested on June 2, 2026, rather than sold in the market. After these transactions, he directly holds 11,732 ordinary shares, including 5,115 restricted shares that vest in stages through June 4, 2029.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Kohler Kenneth E

Role SVP & GM, AST

Type	Security	Shares	Price	Value
Grant/Award	Employee Stock Option (right to buy)	7,668	$0.00	--
Grant/Award	Ordinary Shares	2,199	$0.00	--
Tax Withholding	Ordinary Shares	66	$209.76	$14K

Holdings After Transaction: Employee Stock Option (right to buy) — 7,668 shares (Direct, null); Ordinary Shares — 11,732 shares (Direct, null)

Footnotes (1)

1. As of June 2, 2026, 5,115 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 630 on June 3, 2026; 513 on June 4, 2026; 733 on June 2, 2027; 630 on June 3, 2027; 513 on June 4, 2027; 733 on June 2, 2028; 630 on June 5, 2028 and 733 on June 4, 2029. 66 shares were withheld from the 225 restricted shares that vested on June 2, 2026. These 66 shares represent the value of the taxes required to be withheld pursuant to applicable employment or tax laws, as determined by the Issuer. These vested shares were valued at the NYSE closing market price on June 2, 2026. This option becomes exercisable as follows: 1,917 on June 2, 2027, 1,917 on June 2, 2028, 1,917 on June 4, 2029 and 1,917 on June 3, 2030.

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Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Kohler Kenneth E

(Last) (First) (Middle)

C/O 70 SIR JOHN ROGERSON'S QUAY

(Street)

DUBLIN 2 D02 R296

(City) (State) (Zip)

IRELAND

(Country)

2. Issuer Name and Ticker or Trading Symbol
STERIS plc [ STE ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP & GM, AST

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/02/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Ordinary Shares	06/02/2026		A		2,199	A	$0	11,732(1)	D
Ordinary Shares	06/02/2026		F		66(2)	D	$209.76	11,666(1)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Employee Stock Option (right to buy)	$230.74	06/02/2026		A		7,668		(3)	06/02/2036	Ordinary Shares	7,668	$0	7,668	D

Explanation of Responses:

1. As of June 2, 2026, 5,115 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 630 on June 3, 2026; 513 on June 4, 2026; 733 on June 2, 2027; 630 on June 3, 2027; 513 on June 4, 2027; 733 on June 2, 2028; 630 on June 5, 2028 and 733 on June 4, 2029.

2. 66 shares were withheld from the 225 restricted shares that vested on June 2, 2026. These 66 shares represent the value of the taxes required to be withheld pursuant to applicable employment or tax laws, as determined by the Issuer. These vested shares were valued at the NYSE closing market price on June 2, 2026.

3. This option becomes exercisable as follows: 1,917 on June 2, 2027, 1,917 on June 2, 2028, 1,917 on June 4, 2029 and 1,917 on June 3, 2030.

Remarks:

	/s/ John P. Ubbing, Authorized Representative under Power of Attorney	06/04/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)