[Form 4] Power Integrations Inc Insider Trading Activity

Rhea-AI Filing Summary

Doug Bailey, listed as an officer (Former VP Marketing) of Power Integrations, reported a sale of 14,998 shares of Power Integrations Inc. (POWI) on 08/22/2025 at a price of $47.3787 per share. After the transaction, the filing reports beneficial ownership of 35,800 shares. The Form 4 was filed individually and signed by an attorney-in-fact, Eric Verity, on 08/26/2025. This disclosure records an insider disposition of company stock.

Insights

Securities Analyst

TL;DR: Officer sold 14,998 POWI shares at $47.3787, leaving 35,800 shares owned; routine insider disclosure.

The Form 4 documents a non-derivative sale by Doug Bailey on 08/22/2025. The transaction is reported as a single disposition reducing reported beneficial ownership to 35,800 shares. The filing was executed by an attorney-in-fact and is a standard Section 16 disclosure. There are no derivative transactions or other compensatory actions disclosed in this filing to suggest option exercises or grants contemporaneous with the sale.

Corporate Governance Expert

TL;DR: This is a straightforward insider sale report; disclosure requirements were met and no additional governance events are shown.

The submission identifies the reporting person as an officer and provides required detail: transaction date, number of shares sold, and sale price. The signature by an attorney-in-fact on 08/26/2025 completes the filing. The form contains no amendment history, no joint filing, and no explanatory text indicating any pre-arranged trading plan or other governance actions.

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

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X

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^*

Bailey Doug

(Last) (First) (Middle)

5245 HELLYER AVENUE

(Street)

SAN JOSE CA 95138

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
POWER INTEGRATIONS INC [ POWI ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Former VP Marketing

3. Date of Earliest Transaction (Month/Day/Year)
08/22/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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	08/22/2025		S		14,998	D	$47.3787	35,800	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:

	By: /s/ Eric Verity Attorney In Fact For: Doug Bailey	08/26/2025
	** 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.

FAQ

What transaction did Doug Bailey report on the Form 4 for POWI?

The Form 4 reports a sale of 14,998 shares of Power Integrations Inc. on 08/22/2025 at $47.3787 per share.

How many POWI shares does Doug Bailey beneficially own after the reported sale?

The filing shows beneficial ownership of 35,800 shares following the reported transaction.

Was the Form 4 filed individually or jointly for POWI insider activity?

The form indicates it was filed by one reporting person (individual filing).

Who signed the Form 4 for Doug Bailey and when was it signed?

The Form 4 was signed by Eric Verity, Attorney In Fact, on 08/26/2025.

Does the Form 4 disclose any derivative transactions or option exercises for POWI?

No. Table II (derivative securities) contains no reported transactions; only the non-derivative sale is reported in Table I.