STERIS CEO sells 4,428 shares in open market

STERIS plc President and CEO Daniel A. Carestio reported a net sale of 4,428 Ordinary Shares in open‑market transactions.

Rhea-AI Filing Summary

STERIS plc President and CEO Daniel A. Carestio reported a net sale of 4,428 Ordinary Shares in open‑market transactions. He sold 3,054 shares at $214.64 on June 4, 2026 and 1,374 shares at $212.00 on June 5, 2026.

On June 4, 2026, 1,889 shares were withheld to cover taxes on 4,283 restricted shares that vested, a non‑market tax-withholding disposition. After these transactions, he directly owns 63,647 Ordinary Shares. As of June 8, 2026, 39,893 of these shares remain restricted and are scheduled to vest in tranches through June 4, 2029.

Insider Trade Summary 10b5-1

Net Seller: 4,428 shares

Net Sell 3 txns

Insider Carestio Daniel A

Role President and CEO

Sold 4,428 shs ($947K)

Type	Security	Shares	Price	Value
Sale	Ordinary Shares	1,374	$212.00	$291K
Exercise Price or Tax Liability	Ordinary Shares	1,889	$212.24	$401K
Sale	Ordinary Shares	3,054	$214.64	$656K

Holdings After Transaction: Ordinary Shares — 63,647 shares (Direct)

Footnotes (2)

1. F1. 1,889 shares were withheld from the 4,283 restricted shares that vested on June 4, 2026. These 1,889 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 4, 2026.
2. F2. As of June 8, 2026, 39,893 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 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

Open-market sale 1: 3,054 shares at $214.64 Open-market sale 2: 1,374 shares at $212.00 Tax-withholding shares: 1,889 shares at $212.24 +3 more

6 metrics

Open-market sale 1 3,054 shares at $214.64 Ordinary Shares sold on June 4, 2026

Open-market sale 2 1,374 shares at $212.00 Ordinary Shares sold on June 5, 2026

Tax-withholding shares 1,889 shares at $212.24 Shares withheld for taxes on June 4, 2026

Shares after transactions 63,647 shares Direct Ordinary Share holdings following transactions

Restricted shares outstanding 39,893 shares Restricted Ordinary Shares as of June 8, 2026

Recently vested restricted shares 4,283 shares Restricted shares that vested on June 4, 2026

Key Terms

Ordinary Shares, tax-withholding disposition, restricted shares, vesting schedule

4 terms

Ordinary Shares financial

"Ordinary Shares sold in open-market transactions on June 4 and June 5, 2026"

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.

tax-withholding disposition financial

"1,889 shares represent the value of the taxes required to be withheld"

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

"1,889 shares were withheld from the 4,283 restricted shares that vested on June 4, 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.

vesting schedule financial

"restrictions on these ordinary shares lapse as follows with multiple future dates"

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.

FAQ

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

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

Daniel A. Carestio reported open‑market sales of 4,428 STERIS ordinary shares and a separate tax‑withholding share disposition. These transactions reflect routine portfolio and tax management while leaving him with a substantial remaining direct stake in the company’s stock.

How many STERIS (STE) shares did the CEO sell and at what prices?

He sold 3,054 ordinary shares at $214.64 on June 4, 2026 and 1,374 shares at $212.00 on June 5, 2026. These are open‑market sales as classified in the Form 4 transaction details.

What is the tax-withholding transaction reported for STERIS (STE) CEO?

The filing shows 1,889 shares withheld to cover taxes on 4,283 restricted shares that vested on June 4, 2026. This is labeled as a tax-withholding disposition, not an open‑market sale, and is based on the NYSE closing price that day.

How many STERIS (STE) shares does the CEO hold after these transactions?

Following the reported sales and tax withholding, Daniel A. Carestio directly owns 63,647 STERIS ordinary shares. This figure represents his remaining direct holdings as stated in the post‑transaction ownership columns of the Form 4.

How many of the STERIS (STE) CEO’s shares are still restricted and when do they vest?

As of June 8, 2026, 39,893 of his ordinary shares are restricted. According to the vesting schedule, these restrictions lapse in several tranches between June 2, 2027 and June 4, 2029, with specific share amounts vesting on each listed date.

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

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 06/08/2026 - 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).

X

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)
06/04/2026

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	06/04/2026		F		1,889(1)	D	$212.24	68,075	D
Ordinary Shares	06/04/2026		S		3,054	D	$214.64	65,021	D
Ordinary Shares	06/05/2026		S		1,374	D	$212	63,647(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. 1,889 shares were withheld from the 4,283 restricted shares that vested on June 4, 2026. These 1,889 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 4, 2026.

2. As of June 8, 2026, 39,893 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 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	06/08/2026
	** 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)