Power Integrations (POWI) VP logs stock grant and tax-related sales

Rhea-AI Filing Summary

Power Integrations VP of Operations Sunil Gupta reported equity transactions involving company common stock. On February 6, 2026, he acquired 3,840 shares at $0.0 per share from a Performance Stock Unit that vested after 2025 performance conditions were met, bringing his holdings to 99,606 shares directly owned.

On February 9, 2026, he sold 1,401 shares at $46.5696 per share, and on February 10, 2026 he sold 1,272 shares at $45.97 per share. The filing states both sales were automatic transactions to cover tax liabilities from vesting of stock awards. After these sales, Gupta directly owned 96,933 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^*

Gupta Sunil

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
02/06/2026

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	02/06/2026		A		3,840(1)	A	$0.0	99,606	D
Common Stock	02/09/2026		S		1,401(2)	D	$46.5696	98,205	D
Common Stock	02/10/2026		S		1,272(3)	D	$45.97	96,933	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. The reporting person was granted a Performance Stock Unit. The Performance Stock Unit vests based on Power Integrations satisfaction of certain performance conditions. The performance conditions for 2025 were met.

2. Represents the automatic sale of stock to cover the tax liability associated with the vesting of a Performance Stock Unit.

3. 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: Sunil Gupta	02/10/2026
	** 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.
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FAQ

What insider activity did Power Integrations (POWI) report for Sunil Gupta?

Power Integrations reported VP of Operations Sunil Gupta acquiring 3,840 common shares from a vested Performance Stock Unit, then selling 1,401 shares and 1,272 shares in separate transactions to cover tax liabilities tied to stock award vesting.

How many Power Integrations shares does Sunil Gupta hold after these transactions?

After the reported transactions, Sunil Gupta directly owns 96,933 shares of Power Integrations common stock. This balance reflects the 3,840-share award and subsequent tax-related sales of 1,401 shares and 1,272 shares disclosed in the filing.

What was the nature of the 3,840 Power Integrations shares reported as acquired?

The 3,840 shares were received through a Performance Stock Unit grant that vested after Power Integrations met specified 2025 performance conditions. The shares were acquired at a stated price of $0.0 per share, reflecting award settlement rather than an open-market purchase.

At what prices did Sunil Gupta sell Power Integrations (POWI) shares?

Sunil Gupta sold 1,401 shares of Power Integrations common stock at $46.5696 per share and 1,272 shares at $45.97 per share. The filing explains these were automatic sales to cover tax liabilities associated with vesting stock awards.

Why did Sunil Gupta sell Power Integrations shares according to the Form 4?

The Form 4 states the reported sales represent automatic stock sales to cover tax liabilities from the vesting of a Performance Stock Unit and a Restricted Stock Award. These transactions were not characterized as discretionary open-market sales for investment purposes.

What role does Sunil Gupta hold at Power Integrations (POWI)?

Sunil Gupta is identified as an officer of Power Integrations with the title Vice President of Operations. The Form 4 indicates he is not a director and not a 10% owner, and the reported holdings are listed as directly owned common stock.