Trust linked to Power Integrations (POWI) sells 5,581 common shares

Rhea-AI Filing Summary

A trust associated with Power Integrations Inc. director Balu Balakrishnan sold 5,581 shares of common stock on January 29, 2026 at $46.5931 per share. The filing states this was an automatic sale to cover taxes from a vesting restricted stock award. After this transaction, the trust indirectly held 585,206 shares of Power Integrations common stock.

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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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^*

BALAKRISHNAN BALU

(Last) (First) (Middle)

5245 HELLYER AVE

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
01/29/2026

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	01/29/2026		S		5,581(1)	D	$46.5931	585,206	I	by Trust

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. Represents the automatic sale of stock to cover the tax liability associated with the vesting of a Restricted Stock Award.

	By: /s/ Eric Verity Attorney In Fact For: Balu Balakrishnan	02/02/2026
	** 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).
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FAQ

What insider transaction did Power Integrations (POWI) disclose for January 29, 2026?

Power Integrations disclosed an insider-related sale of 5,581 shares of common stock on January 29, 2026 at $46.5931 per share. The shares were sold by a trust associated with director Balu Balakrishnan, as reported in a Form 4 filing.

Who was involved in the latest Form 4 filing for Power Integrations (POWI)?

The Form 4 lists director Balu Balakrishnan as the reporting person, with the transaction executed by a trust indicated as "by Trust." The trust’s activity is attributed to him as an indirect beneficial owner under SEC reporting rules.

How many Power Integrations (POWI) shares were sold and at what price?

The filing reports a sale of 5,581 shares of Power Integrations common stock at $46.5931 per share. This single transaction is coded as an open-market sale and is disclosed in Table I of the Form 4.

Why were the Power Integrations (POWI) shares sold in this Form 4?

According to the footnote, the sale represents an automatic sale of stock to cover the tax liability from the vesting of a restricted stock award. This indicates the transaction was tied to equity compensation rather than a discretionary portfolio decision.

How many Power Integrations (POWI) shares remain indirectly held after the sale?

After the reported transaction, the trust associated with director Balu Balakrishnan indirectly held 585,206 shares of Power Integrations common stock. This post-transaction balance is disclosed in the “Amount of Securities Beneficially Owned” column of the Form 4.

Is the Power Integrations (POWI) Form 4 transaction direct or indirect ownership?

The Form 4 classifies the holding as indirect with the notation "by Trust" in the ownership column. This means the reported shares are held through a trust rather than directly in the individual’s own name, but are still attributed to him for reporting.