STERIS (NYSE: STE) SVP Fraser has 311 shares withheld for tax obligations

Rhea-AI Filing Summary

STERIS plc senior executive handles tax withholding on vested shares. SVP & Chief HRO Mary Clare Fraser had 311 ordinary shares withheld on June 3, 2026 to cover taxes on 835 restricted shares that vested, based on the NYSE closing price that day. After this non-market tax-withholding disposition, she directly holds 14,316 ordinary shares, including 6,719 restricted shares scheduled to lapse in stages between June 4, 2026 and June 4, 2029.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Fraser Mary Clare

Role SVP & Chief HRO

Type	Security	Shares	Price	Value
Tax Withholding	Ordinary Shares	311	$210.19	$65K

Holdings After Transaction: Ordinary Shares — 14,316 shares (Direct, null)

Footnotes (1)

1. 311 shares were withheld from the 835 restricted shares that vested on June 3, 2026. These 311 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, 6,719 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 1,360 on June 4, 2026; 1,003 on June 2, 2027; 835 on June 3, 2027; 680 on June 4, 2027; 1,003 on June 2, 2028; 835 on June 5, 2028 and 1,003 on June 4, 2029.

Key Figures

Shares withheld for taxes: 311 shares Restricted shares vested: 835 shares Post-transaction holdings: 14,316 shares +2 more

5 metrics

Shares withheld for taxes 311 shares Tax-withholding disposition on June 3, 2026

Restricted shares vested 835 shares Restricted shares that vested on June 3, 2026

Post-transaction holdings 14,316 shares Ordinary shares directly held after June 3, 2026 transaction

Remaining restricted shares 6,719 shares Restricted ordinary shares as of June 3, 2026

Share price used for tax valuation $210.19 per share NYSE closing market price on June 3, 2026

Key Terms

tax-withholding disposition, restricted shares, NYSE closing market price, ordinary shares

4 terms

tax-withholding disposition financial

"These 311 shares represent the value of the taxes required to be withheld pursuant to applicable employment or tax laws"

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

restricted shares financial

"311 shares were withheld from the 835 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.

NYSE closing market price financial

"These vested shares were valued at the NYSE closing market price on June 3, 2026"

ordinary shares financial

"As of June 3, 2026, 6,719 of these ordinary shares are restricted"

Ordinary shares are a type of ownership stake in a company, giving shareholders a right to participate in the company’s profits and decision-making through voting. They are similar to owning a piece of a business, and their value can rise or fall based on the company's performance. Investors buy ordinary shares to potentially earn dividends and benefit from the company's growth over time.

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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^*

Fraser Mary Clare

(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)
	SVP & Chief HRO

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		311(1)	D	$210.19	14,316(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. 311 shares were withheld from the 835 restricted shares that vested on June 3, 2026. These 311 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, 6,719 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 1,360 on June 4, 2026; 1,003 on June 2, 2027; 835 on June 3, 2027; 680 on June 4, 2027; 1,003 on June 2, 2028; 835 on June 5, 2028 and 1,003 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 Mary Clare Fraser?

STERIS reported that SVP & Chief HRO Mary Clare Fraser had 311 ordinary shares withheld on June 3, 2026 to cover taxes on 835 vested restricted shares. This was a tax-withholding disposition, not an open-market share purchase or sale.

How many STERIS (STE) shares were withheld for taxes in this Form 4?

A total of 311 ordinary shares were withheld to satisfy tax obligations on restricted shares that vested on June 3, 2026. The issuer determined the tax value using the NYSE closing market price for STERIS shares on that same date.

How many STERIS (STE) shares does Mary Clare Fraser hold after the transaction?

Following the tax-withholding disposition, Mary Clare Fraser directly holds 14,316 STERIS ordinary shares. According to the filing, this total includes both unrestricted and restricted shares that continue to vest over several future dates through June 4, 2029.

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

No. The 311 STERIS ordinary shares were withheld by the issuer to cover tax liabilities on vested restricted shares. The filing characterizes this as a tax-withholding disposition, not an open-market sale or purchase initiated by the executive.

What restricted STERIS (STE) shares remain for Mary Clare Fraser after vesting?

As of June 3, 2026, 6,719 of Mary Clare Fraser’s STERIS ordinary shares are restricted. The restrictions are scheduled to lapse in several tranches between June 4, 2026 and June 4, 2029, according to the detailed vesting schedule in the filing.

How were the withheld STERIS (STE) shares valued for tax purposes?

The 311 withheld shares were valued using the NYSE closing market price for STERIS ordinary shares on June 3, 2026. This valuation determined the value of the shares needed to satisfy Fraser’s tax withholding obligations on the vested restricted stock.