STERIS CFO receives new stock and option awards

STERIS plc senior vice president and CFO Karen L. Burton reported routine equity compensation changes.

Rhea-AI Filing Summary

STERIS plc senior vice president and CFO Karen L. Burton reported routine equity compensation changes. She received a grant of 5,325 ordinary shares at a stated price of $0.0000 per share and now directly holds 13,464 ordinary shares. Footnotes state that as of June 2, 2026, 10,239 of these ordinary shares are restricted, with restrictions scheduled to lapse in several tranches between June 3, 2026 and June 4, 2029. The filing also records withholding of 66 shares from 225 restricted shares that vested on June 2, 2026 to cover taxes, valued at the NYSE closing market price of $209.76 per share. In addition, Burton received an employee stock option for 18,564 ordinary shares at an exercise price of $230.74 per share, expiring on June 2, 2036, which becomes exercisable in four equal installments from June 2, 2027 through June 3, 2030.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Burton Karen L

Role Sr. Vice Pres., CFO

Type	Security	Shares	Price	Value
Grant/Award	Employee Stock Option (right to buy)	18,564	$0.00	$0.00
Grant/Award	Ordinary Shares	5,325	$0.00	$0.00
Exercise	Ordinary Shares	66	$209.76	$14K

Holdings After Transaction: Employee Stock Option (right to buy) — 18,564 contracts (Direct); Ordinary Shares — 13,464 shares (Direct)

Footnotes (3)

1. F1. As of June 2, 2026, 10,239 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 651 on June 3, 2026; 306 on June 4, 2026; 783 on October 1, 2026; 1,775 on June 2, 2027; 651 on June 3, 2027; 306 on June 4, 2027; 783 on October 1, 2027; 1,775 on June 2, 2028; 651 on June 5, 2028 and 783 on October 1, 2028 and 1,775 on June 4, 2029.
2. F2. 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. F3. This option becomes exercisable as follows: 4,641 on June 2, 2027, 4,641 on June 2, 2028, 4,641 on June 4, 2029 and 4,641 on June 3, 2030.

Key Figures

Awarded ordinary shares: 5,325 shares Shares held after award: 13,530 shares Restricted shares: 10,239 shares +5 more

8 metrics

Awarded ordinary shares 5,325 shares Equity award to CFO on June 2, 2026

Shares held after award 13,530 shares Direct ordinary share holdings after transactions

Restricted shares 10,239 shares Restricted ordinary shares as of June 2, 2026

Stock option size 18,564 shares Employee stock option underlying ordinary shares

Option exercise price $230.74/share Exercise price of employee stock option

Option expiration June 2, 2036 Employee stock option expiration date

Tax withholding shares 66 shares Shares withheld from vested restricted stock for taxes

Tax valuation price $209.76/share NYSE closing market price used for tax withholding

Key Terms

restricted, Employee Stock Option (right to buy), exercise price, vested, +2 more

6 terms

restricted financial

"As of June 2, 2026, 10,239 of these ordinary shares are restricted."

Employee Stock Option (right to buy) financial

"Employee Stock Option (right to buy) with underlying ordinary shares."

exercise price financial

"An employee stock option with an exercise price of $230.74 per share."

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

vested financial

"66 shares were withheld from the 225 restricted shares that vested on June 2, 2026."

withheld pursuant to applicable employment or tax laws financial

"These 66 shares represent the value of the taxes required to be withheld pursuant to applicable employment or tax laws."

becomes exercisable financial

"This option becomes exercisable as follows: 4,641 on June 2, 2027, 4,641 on June 2, 2028, 4,641 on June 4, 2029 and 4,641 on June 3, 2030."

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What equity awards did STERIS (STE) CFO Karen Burton receive in this Form 4?

Karen Burton received 5,325 ordinary shares as an equity award and an employee stock option for 18,564 ordinary shares with an exercise price of $230.74 per share, expiring on June 2, 2036.

How many STERIS (STE) shares does CFO Karen Burton hold after these transactions?

After the reported transactions, Karen Burton directly holds 13,530 ordinary shares of STERIS. Footnotes indicate that 10,239 of these shares are restricted as of June 2, 2026, with restrictions scheduled to lapse in multiple tranches through June 4, 2029.

How are STERIS (STE) CFO Karen Burton’s restricted shares scheduled to vest?

Footnotes state that Burton’s 10,239 restricted ordinary shares lapse in stages: 651 on June 3, 2026, 306 on June 4, 2026, 783 on October 1, 2026, and additional tranches through June 4, 2029, gradually becoming unrestricted.

What tax-related share withholding is disclosed for STERIS (STE) CFO Karen Burton?

The filing shows 66 shares withheld from 225 restricted shares that vested on June 2, 2026. These 66 shares represent the value of taxes required to be withheld, using the NYSE closing price of $209.76 per share on that date.

What are the key terms of STERIS (STE) CFO Karen Burton’s new stock option grant?

Burton’s new employee stock option covers 18,564 ordinary shares at an exercise price of $230.74 per share, expiring on June 2, 2036. It becomes exercisable in four 4,641-share installments between June 2, 2027 and June 3, 2030.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/04/2026 - 04:31 PM Learn about SEC filing dates

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^*

Burton Karen L

(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)
	Sr. Vice Pres., CFO

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		5,325	A	$0	13,530(1)	D
Ordinary Shares	06/02/2026		M		66(2)	D	$209.76	13,464(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		18,564		(3)	06/02/2036(3)	Ordinary Shares	18,564	$0	18,564	D

Explanation of Responses:

1. As of June 2, 2026, 10,239 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 651 on June 3, 2026; 306 on June 4, 2026; 783 on October 1, 2026; 1,775 on June 2, 2027; 651 on June 3, 2027; 306 on June 4, 2027; 783 on October 1, 2027; 1,775 on June 2, 2028; 651 on June 5, 2028 and 783 on October 1, 2028 and 1,775 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: 4,641 on June 2, 2027, 4,641 on June 2, 2028, 4,641 on June 4, 2029 and 4,641 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)