POWI director granted 2,491 restricted stock units

POWER INTEGRATIONS INC director Gregg A. Lowe reported an equity compensation grant.

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Form Type

Rhea-AI Filing Summary

POWER INTEGRATIONS INC director Gregg A. Lowe reported an equity compensation grant. He acquired 2,491 shares of common stock in the form of restricted stock units at no cash cost, bringing his directly held shares to 6,692 after the transaction. These restricted stock units will vest, subject to his continued service, on the earlier of one year from the grant date or the day before the next annual meeting of stockholders.

Insider Trade Summary

Grant/Award: 2,491 shares

Grant/Award 1 txn

Insider LOWE GREGG A

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	2,491	$0.00	$0.00

Holdings After Transaction: Common Stock — 6,692 shares (Direct)

Footnotes (1)

F1. Represents restricted stock units that, subject to the Reporting Person's continued service to the Issuer, will vest at the earlier of one year from the date of grant or the day before the date of the next annual meeting of stockholders.

Key Figures

Restricted stock units granted: 2,491 shares Grant price: $0.00 per share Shares held after grant: 6,692 shares

3 metrics

Restricted stock units granted 2,491 shares Equity award to director Gregg A. Lowe on July 1, 2026

Grant price $0.00 per share Recorded price for restricted stock unit award

Shares held after grant 6,692 shares Total direct holdings by Gregg A. Lowe following the transaction

Key Terms

restricted stock units, annual meeting of stockholders, continued service

3 terms

restricted stock units financial

"Represents restricted stock units that, subject to the Reporting Person's continued service to the Issuer, will vest..."

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.

annual meeting of stockholders financial

"...will vest at the earlier of one year from the date of grant or the day before the date of the next annual meeting of stockholders."

continued service financial

"Represents restricted stock units that, subject to the Reporting Person's continued service to the Issuer, will vest..."

FAQ

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What insider transaction did POWI director Gregg A. Lowe report on this Form 4?

Director Gregg A. Lowe reported receiving 2,491 shares of POWER INTEGRATIONS INC common stock as a restricted stock unit grant. The award was recorded at a price of $0.00 per share and increased his direct holdings to 6,692 shares following the transaction.

Was Gregg A. Lowe’s POWI stock transaction a market purchase or a grant?

The transaction was a grant of restricted stock units, not an open-market purchase. Lowe acquired 2,491 RSUs at $0.00 per share as equity compensation, which will vest over time subject to his continued service to POWER INTEGRATIONS INC.

How many POWER INTEGRATIONS INC shares does Gregg A. Lowe hold after this Form 4 transaction?

After the reported grant, Gregg A. Lowe directly holds 6,692 shares of POWER INTEGRATIONS INC common stock. This total includes the 2,491 restricted stock units awarded in the transaction, which will vest based on service and timing conditions described in the filing footnote.

What are the vesting terms of Gregg A. Lowe’s new restricted stock units in POWI?

The 2,491 restricted stock units will vest if Gregg A. Lowe continues serving the company until the vesting date. Vesting occurs at the earlier of one year from the grant date or the day before the next annual meeting of stockholders, as detailed in the filing footnote.

Did Gregg A. Lowe sell any POWER INTEGRATIONS INC shares in this Form 4 filing?

No sales were reported in this Form 4. The filing shows only a grant of 2,491 restricted stock units to Gregg A. Lowe, with no sell transactions or dispositions, and reflects his updated direct holdings of 6,692 shares after the award.

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Accepted by SEC EDGAR 07/06/2026 - 07:42 PM EDT

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^*

LOWE GREGG A

(Last)

(First)

(Middle)

5245 HELLYER AVE

(Street)

SAN JOSE

CALIFORNIA

95138

(City)

(State)

(Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/01/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	07/01/2026		A		2,491⁽¹⁾	A	$0.0	6,692	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Represents restricted stock units that, subject to the Reporting Person's continued service to the Issuer, will vest at the earlier of one year from the date of grant or the day before the date of the next annual meeting of stockholders.

	By: /s/ Eric Verity Attorney In Fact For: Gregg Lowe	07/06/2026
	** 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)

Source: View Original Filing on SEC EDGAR