Entegris (ENTG) CEO uses stock to cover tax bill on RSUs

Rhea-AI Filing Summary

ENTEGRIS INC (ENTG) reported an insider equity transaction by President & CEO David Reeder. On 2026-08-18, Reeder had 5,386 shares of common stock automatically withheld at $150.27 per share to satisfy tax withholding obligations upon settlement of restricted stock units. Following this tax-withholding disposition, Reeder directly owned 91,821 shares of Entegris common stock.

Insider Trade Summary

Net Seller: 5,386 shares

Net Sell 1 txn

Insider Reeder David

Role President & CEO

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F1	5,386	$150.27	$809K

Holdings After Transaction: Common Stock — 91,821 shares (Direct)

Footnotes (1)

1. F1. Shares automatically withheld upon settlement of restricted stock units to satisfy tax withholding obligations.

Key Figures

Shares withheld for taxes: 5,386 shares Withholding price per share: $150.27 per share Shares owned after transaction: 91,821 shares

3 metrics

Shares withheld for taxes 5,386 shares Common stock automatically withheld on 2026-08-18 to satisfy tax withholding obligations

Withholding price per share $150.27 per share Value applied to the 5,386 withheld shares in the Code F transaction

Shares owned after transaction 91,821 shares Direct ENTG common stock holdings of David Reeder following the withholding transaction

Key Terms

restricted stock units, tax withholding obligations, Code F

3 terms

restricted stock units financial

"Shares automatically withheld upon settlement of restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

tax withholding obligations financial

"withheld upon settlement of restricted stock units to satisfy tax withholding obligations"

Code F financial

"Transaction code F indicates payment of tax liability by delivering or withholding"

FAQ

What insider transaction did ENTG President & CEO David Reeder report?

David Reeder reported a Code F transaction where 5,386 ENTG shares were automatically withheld to cover tax obligations upon settlement of restricted stock units, rather than an open-market purchase or sale.

At what price were the ENTG shares withheld in David Reeder’s Form 4 filing?

The withheld ENTG shares were valued at $150.27 per share. This price applies to the 5,386 shares automatically withheld to satisfy tax withholding obligations related to the settlement of restricted stock units.

How many ENTG shares does David Reeder hold after this Form 4 transaction?

After the reported transaction, David Reeder directly holds 91,821 shares of ENTG common stock. This figure reflects his ownership following the automatic tax-withholding disposition of 5,386 shares tied to restricted stock unit settlement.

Was David Reeder’s ENTG Form 4 transaction an open-market sale?

No, the transaction was not an open-market sale. The 5,386 shares were automatically withheld upon settlement of restricted stock units to satisfy tax withholding obligations, as described in the filing footnote.

What does transaction code F mean in the ENTG Form 4 for David Reeder?

Transaction code F indicates payment of tax liability by delivering or withholding securities. In this case, 5,386 ENTG shares were withheld automatically to cover tax withholding obligations upon restricted stock unit settlement.

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/19/2026 - 01:25 PM Accepted by SEC EDGAR 08/19/2026 - 01:24 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^*

Reeder David

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/18/2026

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
Common Stock	08/18/2026		F		5,386(1)	D	$150.27	91,821	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. Shares automatically withheld upon settlement of restricted stock units to satisfy tax withholding obligations.

Remarks:

	/s/ Joseph Colella, Attorney-In-Fact for David Reeder	08/19/2026
	** 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)