Renato Tamaro (STERIS: STE) has 81 shares withheld for taxes on vesting award

Rhea-AI Filing Summary

STERIS plc vice president and corporate treasurer Renato Tamaro reported a routine tax-withholding share disposition related to vesting equity awards. On June 1, 2026, 81 ordinary shares were withheld from 241 restricted shares that vested to cover required employment and tax obligations, valued at the NYSE closing market price that day.

After this non-market transaction, Tamaro directly held 5,614 ordinary shares, including 1,234 restricted shares as of June 1, 2026. The filing also outlines the schedule on which these remaining restricted shares are set to lapse over 2026–2028.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Tamaro Renato

Role V.P. & Corporate Treasurer

Type	Security	Shares	Price	Value
Tax Withholding	Ordinary Shares	81	$0.00	--

Holdings After Transaction: Ordinary Shares — 5,614 shares (Direct, null)

Footnotes (1)

1. 81 shares were withheld from the 241 restricted shares that vested on June 1, 2026. These 81 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 1, 2026. As of June 1, 2026, 1,234 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 141 on June 2, 2026; 217 on June 3, 2026; 221 on June 4, 2026; 217 on June 3, 2027; 221 on June 4, 2027 and 217 on June 5, 2028.

Key Figures

Shares withheld for taxes: 81 shares Restricted shares vested: 241 shares Shares held after transaction: 5,614 shares +5 more

8 metrics

Shares withheld for taxes 81 shares Ordinary shares withheld on June 1, 2026 for tax obligations

Restricted shares vested 241 shares Restricted shares that vested on June 1, 2026

Shares held after transaction 5,614 shares Total ordinary shares directly held after June 1, 2026 transaction

Restricted shares outstanding 1,234 shares Restricted ordinary shares as of June 1, 2026

2026 vesting tranche 1 141 shares Restrictions lapse on June 2, 2026

2026 vesting tranche 2 217 shares Restrictions lapse on June 3, 2026

2026 vesting tranche 3 221 shares Restrictions lapse on June 4, 2026

Final vesting tranche 217 shares Restrictions lapse on June 5, 2028

Key Terms

restricted shares, taxes required to be withheld, NYSE closing market price, restrictions on these ordinary shares lapse

4 terms

restricted shares financial

"81 shares were withheld from the 241 restricted shares that vested on June 1, 2026."

Restricted shares are company stock that cannot be sold or transferred immediately because they are subject to legal or contractual limits, such as a required holding period or performance conditions. They matter to investors because these locked-up shares can affect a company’s available stock for trading, future dilution, and insider incentives—imagine a gift that can’t be cashed until certain conditions are met, which changes when and how much supply can suddenly enter the market.

taxes required to be withheld financial

"These 81 shares represent the value of the taxes required to be withheld pursuant to applicable employment or tax laws."

NYSE closing market price financial

"These vested shares were valued at the NYSE closing market price on June 1, 2026."

restrictions on these ordinary shares lapse financial

"The restrictions on these ordinary shares lapse as follows: 141 on June 2, 2026; 217 on June 3, 2026; 221 on June 4, 2026; 217 on June 3, 2027; 221 on June 4, 2027 and 217 on June 5, 2028."

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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^*

Tamaro Renato

(Last) (First) (Middle)

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)
	V.P. & Corporate Treasurer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/01/2026

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	06/01/2026		F		81(1)	D	$0	5,614(2)	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

Explanation of Responses:

1. 81 shares were withheld from the 241 restricted shares that vested on June 1, 2026. These 81 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 1, 2026.

2. As of June 1, 2026, 1,234 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 141 on June 2, 2026; 217 on June 3, 2026; 221 on June 4, 2026; 217 on June 3, 2027; 221 on June 4, 2027 and 217 on June 5, 2028.

Remarks:

	/s/ John P. Ubbing, Authorized Representative under Power of Attorney	06/03/2026
	** 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)

FAQ

What insider transaction did STERIS (STE) executive Renato Tamaro report?

Renato Tamaro reported that 81 STERIS ordinary shares were withheld to cover taxes on vesting restricted shares. This was a non-market, tax-withholding disposition rather than an open-market sale, tied to an equity award vesting on June 1, 2026.

How many STERIS (STE) shares did Renato Tamaro have withheld for taxes?

81 STERIS ordinary shares were withheld to satisfy tax obligations on a vesting award. These shares came from 241 restricted shares that vested on June 1, 2026, with the value determined using the NYSE closing market price on that date.

How many STERIS (STE) shares does Renato Tamaro hold after this Form 4 transaction?

Following the June 1, 2026 tax-withholding disposition, Renato Tamaro directly holds 5,614 STERIS ordinary shares. As of the same date, 1,234 of those shares are still restricted, subject to a detailed vesting schedule through 2028 outlined in the disclosure.

Were the STERIS (STE) shares in this Form 4 sold on the open market?

No, the 81 STERIS shares were not sold on the open market. They were withheld by the issuer to cover required employment and tax liabilities tied to 241 restricted shares that vested on June 1, 2026, making this a routine administrative transaction.

What restricted STERIS (STE) shares remain for Renato Tamaro and when do they vest?

As of June 1, 2026, 1,234 of Renato Tamaro’s STERIS ordinary shares are restricted. The restrictions lapse in tranches on specified June dates in 2026, 2027, and 2028, according to the detailed vesting schedule included in the Form 4 footnotes.