Entegris (ENTG) insider sells shares under Rule 10b5-1 plan

Filing Impact

(Moderate)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

ENTEGRIS INC senior vice president and general counsel Joseph Colella reported an open-market sale of company common stock. On April 7, 2026, he sold 1,592 shares at an average price of $115.57 per share. After this transaction, he directly holds about 50,121.45 shares of Entegris common stock. The filing notes these shares were sold pursuant to a Rule 10b5-1 Trading Plan that he established on August 8, 2025, indicating the sale was executed under a pre-arranged trading framework rather than as a discretionary, same-day decision.

Insider Trade Summary 10b5-1

Net Seller: 1,592 shares ($183,987)

Net Sell 1 txn

Insider Colella Joseph

Role SVP and General Counsel

Sold 1,592 shs ($184K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,592	$115.57	$184K

Holdings After Transaction: Common Stock — 50,121.45 shares (Direct)

Footnotes (1)

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Key Figures

Shares sold: 1,592 shares Sale price: $115.57 per share Shares held after transaction: 50,121.45 shares +1 more

4 metrics

Shares sold 1,592 shares Open-market sale on April 7, 2026

Sale price $115.57 per share Average price for the 1,592-share sale

Shares held after transaction 50,121.45 shares Direct holdings following the sale

Net shares sold 1,592 shares Net-sell direction in transaction summary

Key Terms

Rule 10b5-1 Trading Plan, open-market sale, Common Stock, Form 4

4 terms

Rule 10b5-1 Trading Plan financial

"These shares were sold pursuant to a Rule 10b5-1 Trading Plan established by the Reporting Person"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Common Stock financial

"security_title": "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Form 4 Insider Transactions: What Each Field Means →

04/08/2026 - 04:45 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^*

Colella Joseph

(Last)

(First)

(Middle)

C/O ENTEGRIS, INC.

129 CONCORD ROAD

(Street)

BILLERICA

MASSACHUSETTS

01821

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
ENTEGRIS INC [ ENTG ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	SVP and General Counsel

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/07/2026

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)
Common Stock	04/07/2026		S		1,592⁽¹⁾	D	$115.57	50,121.45	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. These shares were sold pursuant to a Rule 10b5-1 Trading Plan established by the Reporting Person on August 8, 2025.

Remarks:

	/s/ Joseph Colella	04/08/2026
	** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did ENTEGRIS INC (ENTG) report for Joseph Colella?

ENTEGRIS INC reported that Joseph Colella, its SVP and general counsel, sold 1,592 shares of common stock. The sale occurred on April 7, 2026, as an open-market transaction at an average price of $115.57 per share, according to the Form 4 filing.

How many ENTEGRIS INC (ENTG) shares did Joseph Colella sell and at what price?

Joseph Colella sold 1,592 shares of ENTEGRIS INC common stock at an average price of $115.57 per share. This open-market sale was disclosed in a Form 4 filing and reflects a relatively small portion of his overall reported holdings.

How many ENTEGRIS INC (ENTG) shares does Joseph Colella hold after this Form 4 transaction?

After the reported sale, Joseph Colella directly holds about 50,121.45 shares of ENTEGRIS INC common stock. This post-transaction balance in the Form 4 shows that he retains a substantial equity position in the company following the 1,592-share open-market sale.

Was Joseph Colella’s ENTEGRIS INC (ENTG) stock sale made under a Rule 10b5-1 plan?

Yes. The Form 4 footnote states the 1,592 ENTEGRIS INC shares were sold pursuant to a Rule 10b5-1 Trading Plan. That plan was established by Joseph Colella on August 8, 2025, indicating the sale followed a pre-arranged trading schedule.

What role does Joseph Colella hold at ENTEGRIS INC (ENTG) in this Form 4 filing?

In the Form 4 filing, Joseph Colella is identified as an officer of ENTEGRIS INC, serving as senior vice president and general counsel. His position makes this an executive insider transaction in the company’s common stock rather than a routine employee trade.