STERIS (NYSE: STE) CEO sees 5,937 RSUs vest; 2,619 shares withheld

Filing Impact

(Very High)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

STERIS plc President and CEO Daniel A. Carestio reported a routine tax-withholding transaction related to vesting restricted stock. On June 3, 2026, 2,619 ordinary shares were withheld at $210.19 per share to cover employment and tax obligations when 5,937 restricted shares vested.

After this withholding, he directly owned 69,964 ordinary shares, including 44,176 restricted shares as of June 3, 2026. These restricted shares are scheduled to lapse in stages between June 4, 2026 and June 4, 2029.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Carestio Daniel A

Role President and CEO

Type	Security	Shares	Price	Value
Tax Withholding	Ordinary Shares	2,619	$210.19	$550K

Holdings After Transaction: Ordinary Shares — 69,964 shares (Direct, null)

Footnotes (1)

2,619 shares were withheld from the 5,937 restricted shares that vested on June 3, 2026. These 2,619 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, 44,176 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 4,283 on June 4, 2026; 7,912 on June 2, 2027; 5,937 on June 3, 2027; 4,283 on June 4, 2027; 7,912 on June 2, 2028; 5,937 on June 5, 2028 and 7,912 on June 4, 2029.

Key Figures

Shares withheld for taxes: 2,619 shares Withholding share price: $210.19 per share Restricted shares vested: 5,937 shares +4 more

7 metrics

Shares withheld for taxes 2,619 shares Tax-withholding disposition on June 3, 2026

Withholding share price $210.19 per share Valued at NYSE closing market price on June 3, 2026

Restricted shares vested 5,937 shares Restricted shares vesting on June 3, 2026

Shares held after transaction 69,964 shares Directly owned ordinary shares following June 3, 2026 transaction

Restricted shares outstanding 44,176 shares Restricted ordinary shares as of June 3, 2026

Next vesting tranche 4,283 shares Restrictions lapse on June 4, 2026

Later vesting tranches 7,912; 5,937; 4,283; 7,912; 5,937; 7,912 shares Restrictions lapse between June 2, 2027 and June 4, 2029

Key Terms

restricted shares, taxes required to be withheld, NYSE closing market price, ordinary shares, +1 more

5 terms

restricted shares financial

"2,619 shares were withheld from the 5,937 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 2,619 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."

ordinary shares financial

"As of June 3, 2026, 44,176 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.

vesting schedule financial

"The restrictions on these ordinary shares lapse as follows: 4,283 on June 4, 2026; 7,912 on June 2, 2027; 5,937 on June 3, 2027; 4,283 on June 4, 2027; 7,912 on June 2, 2028; 5,937 on June 5, 2028 and 7,912 on June 4, 2029."

A vesting schedule is a timeline that determines when someone gains full ownership of certain benefits, such as company stock or retirement contributions. Think of it like earning the right to own a gift gradually over time, rather than receiving it all at once. It matters to investors because it affects when they can fully access or sell these benefits, influencing their financial planning and decision-making.

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Form 4 Insider Transactions: What Each Field Means →

06/05/2026 - 04:31 PM

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^*

Carestio Daniel A

(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)

X	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	President and CEO

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Ordinary Shares	06/03/2026		F		2,619⁽¹⁾	D	$210.19	69,964⁽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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. 2,619 shares were withheld from the 5,937 restricted shares that vested on June 3, 2026. These 2,619 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, 44,176 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 4,283 on June 4, 2026; 7,912 on June 2, 2027; 5,937 on June 3, 2027; 4,283 on June 4, 2027; 7,912 on June 2, 2028; 5,937 on June 5, 2028 and 7,912 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)

Source: View Original Filing on SEC EDGAR

FAQ

What did STERIS (STE) CEO Daniel Carestio report in this Form 4?

Daniel A. Carestio reported a tax-withholding share disposition. On June 3, 2026, 2,619 ordinary shares were withheld to cover taxes when 5,937 restricted shares vested, a routine compensation-related event rather than an open-market trade.

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

A total of 2,619 ordinary shares were withheld for taxes. The shares came from 5,937 restricted shares that vested on June 3, 2026 and were valued at the NYSE closing market price on that date, per the company’s determination.

How many STERIS (STE) shares does the CEO hold after this transaction?

Following the tax-withholding transaction, Daniel A. Carestio directly held 69,964 STERIS ordinary shares. Footnotes clarify that, as of June 3, 2026, 44,176 of these shares remain restricted and are subject to a multi-year vesting schedule through 2029.

Is the STERIS (STE) CEO’s Form 4 a market sale of shares?

The Form 4 shows a tax-withholding disposition, not an open-market sale. Shares were withheld by the issuer to satisfy tax liabilities tied to vesting restricted stock, a standard mechanism in equity compensation rather than a discretionary sale into the market.

What restricted STERIS (STE) shares remain for the CEO after June 3, 2026?

As of June 3, 2026, 44,176 ordinary shares held by the CEO are restricted. The restrictions lapse in tranches from June 4, 2026 through June 4, 2029, with several scheduled vesting amounts disclosed across those future dates.

How were the withheld STERIS (STE) shares valued in this Form 4?

The 2,619 withheld shares were valued at $210.19 per share, matching the NYSE closing market price on June 3, 2026. This valuation was used to determine the number of shares needed to satisfy the applicable employment and tax withholding requirements.