STERIS (STE) VP Renato Tamaro has RSU shares withheld to cover taxes

Rhea-AI Filing Summary

STERIS plc executive Renato Tamaro reported a routine tax-related share withholding tied to restricted stock vesting. On June 3, 2026, 64 ordinary shares valued at $210.19 per share were withheld to cover taxes from 217 restricted shares that vested that day. After this transaction, Tamaro directly owned 6,259 ordinary shares, of which 1,626 remained restricted and will vest in scheduled tranches between June 2026 and June 2029. This event reflects compensation and tax mechanics rather than an open-market sale.

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	64	$210.19	$13K

Holdings After Transaction: Ordinary Shares — 6,259 shares (Direct, null)

Footnotes (1)

1. 64 shares were withheld from the 217 restricted shares that vested on June 3, 2026. These 64 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 3, 2026. As of June 3, 2026, 1,626 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 221 on June 4, 2026; 250 on June 2, 2027; 217 on June 3, 2027; 221 on June 4, 2027; 250 on June 2, 2028; 217 on June 5, 2028 and 250 on June 4, 2029.

Key Figures

Tax-withheld shares: 64 shares Vested restricted shares: 217 shares Share price at valuation: $210.19 per share +2 more

5 metrics

Tax-withheld shares 64 shares Withheld on June 3, 2026 to cover taxes

Vested restricted shares 217 shares Restricted shares that vested on June 3, 2026

Share price at valuation $210.19 per share NYSE closing market price on June 3, 2026

Shares owned after transaction 6,259 shares Total ordinary shares directly owned after June 3, 2026

Restricted shares remaining 1,626 shares Restricted as of June 3, 2026 with scheduled vesting through June 2029

Key Terms

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

4 terms

restricted shares financial

"64 shares were withheld from the 217 restricted shares that vested on June 3, 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 64 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 3, 2026."

restrictions on these ordinary shares lapse financial

"The restrictions on these ordinary shares lapse as follows: 221 on June 4, 2026; 250 on June 2, 2027; 217 on June 3, 2027;"

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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)
06/03/2026

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	06/03/2026		F		64(1)	D	$210.19	6,259(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. 64 shares were withheld from the 217 restricted shares that vested on June 3, 2026. These 64 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 3, 2026.

2. As of June 3, 2026, 1,626 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 221 on June 4, 2026; 250 on June 2, 2027; 217 on June 3, 2027; 221 on June 4, 2027; 250 on June 2, 2028; 217 on June 5, 2028 and 250 on June 4, 2029.

Remarks:

	/s/ John P. Ubbing, Authorized Representative under Power of Attorney	06/05/2026
	** 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) report for Renato Tamaro?

STERIS reported that executive Renato Tamaro had 64 ordinary shares withheld to cover taxes on vesting restricted stock. The shares related to 217 restricted shares that vested on June 3, 2026, and were valued at the NYSE closing price that day.

Was the STERIS (STE) Form 4 transaction an open-market sale?

No, the Form 4 transaction was not an open-market sale. It was a tax-withholding disposition, where 64 shares were retained by the company to satisfy employment and tax obligations when 217 restricted shares vested on June 3, 2026.

How many STERIS (STE) shares does Renato Tamaro own after this transaction?

After the June 3, 2026 tax-withholding transaction, Renato Tamaro directly owned 6,259 STERIS ordinary shares. This total includes both unrestricted and 1,626 restricted shares that are scheduled to vest over multiple dates through June 4, 2029.

What price was used to value the withheld STERIS (STE) shares?

The withheld 64 STERIS shares were valued at the NYSE closing market price of $210.19 per share on June 3, 2026. This price was used by the issuer to determine the value of shares required to satisfy applicable tax withholding obligations.

How many of Renato Tamaro’s STERIS (STE) shares remain restricted and when do they vest?

As of June 3, 2026, 1,626 of Renato Tamaro’s STERIS ordinary shares were still restricted. These restrictions lapse in tranches between June 4, 2026 and June 4, 2029, with multiple specific vesting dates and share amounts set by the company.

What does a tax-withholding disposition mean for STERIS (STE) insiders?

A tax-withholding disposition means shares are withheld by the issuer to pay income taxes when awards vest. For STERIS insiders like Renato Tamaro, it reflects compensation and tax settlement, not a discretionary market sale or change in investment view on the company.