Power Integrations director reports grant, tax sales

Power Integrations, Inc. director Balu Balakrishnan reported equity compensation and related tax sales through a trust.

Rhea-AI Filing Summary

Power Integrations, Inc. director Balu Balakrishnan reported equity compensation and related tax sales through a trust. On February 6, 2026, a trust associated with him acquired 12,288 shares of common stock at $0.0 from the vesting of a Performance Stock Unit after 2025 performance conditions were met. On February 9, 2026, the trust automatically sold 6,368 shares at $46.5298 to cover tax liabilities from that Performance Stock Unit vesting, and on February 10, 2026, it automatically sold 4,995 shares at $47.1976 to cover tax liabilities from a Restricted Stock Award vesting. After these transactions, the trust held 576,256 common shares indirectly for the reporting person.

Insider Trade Summary

Net Seller: 11,363 shares

Net Sell 3 txns

Insider BALAKRISHNAN BALU

Role Director

Sold 11,363 shs ($532K)

Type	Security	Shares	Price	Value
Sale	Common Stock	4,995	$47.1976	$236K
Sale	Common Stock	6,368	$46.5298	$296K
Grant/Award	Common Stock	12,288	$0.00	$0.00

Holdings After Transaction: Common Stock — 576,256 shares (Indirect, by Trust)

Footnotes (3)

1. F1. 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. F2. Represents the automatic sale of stock to cover the tax liability associated with the vesting of a Performance Stock Unit.
3. F3. Represents the automatic sale of stock to cover the tax liability associated with the vesting of a Restricted Stock Award.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did POWI director Balu Balakrishnan report?

He reported one stock acquisition and two sales through a trust. A Performance Stock Unit vested for 12,288 shares, followed by automatic sales of 6,368 and 4,995 shares to cover tax liabilities tied to equity vesting.

Were the February 2026 POWI insider sales discretionary or tax-related?

The February 2026 sales were tax-related, not discretionary open-market sales. Footnotes state both the 6,368-share and 4,995-share transactions were automatic sales to cover tax liabilities from vesting Performance Stock Unit and Restricted Stock Award grants.

How many POWI shares does the trust associated with Balu Balakrishnan hold after these transactions?

Following the reported grant and tax-related sales, the trust associated with director Balu Balakrishnan held 576,256 shares of Power Integrations common stock indirectly for him, according to the post-transaction ownership figure disclosed in the filing.

What is the nature of Balu Balakrishnan’s ownership of POWI shares in this Form 4?

All reported shares are held indirectly through a trust. The Form 4 identifies ownership as “I – by Trust,” indicating the transactions and resulting 576,256-share position are attributed to a trust associated with the reporting person.

What performance condition was tied to the 12,288-share Performance Stock Unit grant at POWI?

The 12,288-share Performance Stock Unit vested based on Power Integrations satisfying certain performance conditions. The filing notes that the performance conditions for 2025 were met, triggering the vesting and resulting stock acquisition at a $0.0 price.

At what prices were the February 2026 POWI tax-cover sales executed?

The 6,368-share sale on February 9, 2026 executed at $46.5298 per share, and the 4,995-share sale on February 10, 2026 executed at $47.1976 per share, both described as automatic sales to cover tax liabilities from equity vesting.

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

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 02/10/2026 - 08:27 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^*

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)
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		12,288(1)	A	$0.0	587,619	I	by Trust
Common Stock	02/09/2026		S		6,368(2)	D	$46.5298	581,251	I	by Trust
Common Stock	02/10/2026		S		4,995(3)	D	$47.1976	576,256	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. 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: Balu Balakrishnan	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.
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.