POWI: Notice to Sell 9,361 Common Shares

POWI — Rule 144 notice to sell common stock.

Rhea-AI Filing Summary

POWI — Rule 144 notice to sell common stock. The filing lists 9,361 common shares associated with restricted stock vesting entries and a broker/dealer record referencing 05/12/2026. The itemized vesting lots are 5,696 (02/07/2022), 1,875 (02/12/2022) and 1,790 (02/13/2022).

Insights

Securities Attorney

Procedural Rule 144 notice listing proposed resale quantities linked to vested restricted stock.

The excerpt records a Rule 144 filing referencing 05/12/2026 and lists 9,361 shares in total across three vesting lots dated 02/07/2022, 02/12/2022, and 02/13/2022. This appears to be a broker-handled submission noting the securities intended to be offered under resale conditions.

Timing, trading method, and cash-flow treatment are not shown in the excerpt. Subsequent filings or transaction reports will state execution details and whether the sales occurred under Rule 144 conditions.

Key Figures

Total shares listed: 9,361 shares Vesting lot 1: 5,696 shares Vesting lot 2: 1,875 shares +2 more

5 metrics

Total shares listed 9,361 shares Listed on the notice alongside broker information and vesting lots

Vesting lot 1 5,696 shares Restricted stock vesting under a registered plan on <date>02/07/2022</date>

Vesting lot 2 1,875 shares Restricted stock vesting under a registered plan on <date>02/12/2022</date>

Vesting lot 3 1,790 shares Restricted stock vesting under a registered plan on <date>02/13/2022</date>

Broker record date 05/12/2026 Date shown in the broker/dealer line of the filing excerpt

Key Terms

Restricted stock vesting under a registered plan, Rule 144 notice, Broker/Dealer (Morgan Stanley Smith Barney LLC)

3 terms

Restricted stock vesting under a registered plan regulatory

"Restricted stock vesting under a registered plan | Issuer"

Rule 144 notice regulatory

"144: Securities To Be Sold"

A Rule 144 notice is a public filing that an insider or holder of restricted stock submits when they plan to sell shares that aren’t freely tradable yet; it lists how many shares they intend to sell and under what conditions. For investors, it matters because it signals potential insider selling and an upcoming increase in shares available to the market—similar to someone announcing a big garage sale, which can affect supply and price expectations.

Broker/Dealer (Morgan Stanley Smith Barney LLC) financial

"Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza"

FAQ

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

What does the POWI Form 144 notice disclose?

The notice discloses a proposed resale of 9,361 common shares tied to restricted stock vesting. It lists three vesting lots dated 02/07/2022, 02/12/2022, and 02/13/2022.

Who is the broker listed on the POWI filing?

The filing identifies Morgan Stanley Smith Barney LLC Executive Financial Services as the broker/dealer handling the notice. The broker line appears next to the listed securities and the 05/12/2026 record.

Do the vesting dates in the filing affect the resale?

The vesting dates (02/07/2022, 02/12/2022, 02/13/2022) show when restricted shares vested. The filing presents those lots as the source of the 9,361 shares proposed for resale under Rule 144.

Does the Form 144 state the sale price or proceeds for POWI shares?

The provided excerpt does not state an offering price or proceeds. It lists share quantities and vesting dates without specifying dollar amounts or execution details for the proposed resale.

Has the sale of the POWI shares been completed per this excerpt?

This excerpt shows a Rule 144 notice of proposed resale and itemizes vested lots. It does not report completion or transaction execution; completion details would appear in later transaction reports.

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

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Accepted by SEC EDGAR 05/12/2026 - 04:19 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001182413
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	POWER INTEGRATIONS, INC.
SEC File Number	000-23441
Address of Issuer	5245 Hellyer Avenue San Jose CALIFORNIA 95138-1002
Phone	(408) 414-9200
Name of Person for Whose Account the Securities are To Be Sold	CLIFFORD J WALKER
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	9361	667036.78	55719984	05/12/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	02/07/2022	Restricted stock vesting under a registered plan	Issuer			5696	02/07/2022	Services Rendered
Common	02/12/2022	Restricted stock vesting under a registered plan	Issuer			1875	02/12/2022	Services Rendered
Common	02/13/2022	Restricted stock vesting under a registered plan	Issuer			1790	02/13/2022	Services Rendered

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	05/12/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Clifford Walker
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)