Power Integrations (POWI) CFO acquires 64,487 shares at $0

Rhea-AI Filing Summary

Power Integrations Inc. reported that its Chief Financial Officer, Nancy Erba, acquired additional company stock. On February 2, 2026, she acquired 64,487 shares of common stock at a reported price of $0.00 per share. Following this transaction, she directly owns 64,487 common shares of Power Integrations.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Erba Nancy

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	64,487	$0.00	--

Holdings After Transaction: Common Stock — 64,487 shares (Direct)

Footnotes (1)

Form 4 Insider Transactions: What Each Field Means →

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^*

Erba Nancy

(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)
	Chief Financial Officer

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

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	02/02/2026		A		64,487	A	$0.0	64,487	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: Nancy Erba	02/04/2026
	** 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.

FAQ

What insider transaction did Power Integrations (POWI) disclose for CFO Nancy Erba?

Power Integrations disclosed that CFO Nancy Erba acquired 64,487 common shares. The Form 4 states she obtained these shares on February 2, 2026, at a reported price of $0.00 per share, resulting in direct ownership of 64,487 Power Integrations common shares.

How many Power Integrations (POWI) shares does CFO Nancy Erba own after this Form 4?

After the reported transaction, CFO Nancy Erba directly owns 64,487 shares. The Form 4 shows a single acquisition of 64,487 common shares on February 2, 2026, and lists her beneficial ownership following the transaction as 64,487 directly held common shares.

What was the price per share in the Nancy Erba transaction reported by Power Integrations (POWI)?

The reported price per share for Nancy Erba’s acquisition was $0.00. According to the Form 4, she acquired 64,487 shares of Power Integrations common stock on February 2, 2026, at a transaction price listed as $0.0 per share.

Is the Nancy Erba transaction in Power Integrations (POWI) stock direct or indirect ownership?

The Form 4 classifies Nancy Erba’s ownership as direct. After acquiring 64,487 shares of Power Integrations common stock on February 2, 2026, the filing shows her holding 64,487 shares with ownership form marked as "D" for direct, with no indirect ownership nature described.

What type of security did Power Integrations (POWI) report in the Nancy Erba Form 4?

The filing involves Power Integrations common stock. Table I of the Form 4 identifies the security as common stock, with 64,487 shares acquired on February 2, 2026, bringing CFO Nancy Erba’s total directly held common shares to 64,487 after the transaction.