Power Integrations (POWI) Rule 144 Notice: Douglas Bailey Sells 16,989 Shares

Rhea-AI Filing Summary

Form 144 filing for Power Integrations, Inc. (POWI) discloses a proposed sale of 16,989 shares of common stock by Douglas Bailey through Morgan Stanley Smith Barney LLC on NASDAQ, with an aggregate market value of $788,403.43 and reported gross proceeds of $796,084.15 for an actual sale dated 08/14/2025. The filing lists the acquisition history for 15,289 of those shares as restricted stock vesting under registered plans between 2019 and 2022, with payment characterized as compensation. The filer affirms no undisclosed material adverse information and includes the standard Rule 144 representation and signature warning about false statements.

Positive

• Transparent disclosure of an insider sale under Rule 144 including broker, share count, and values
• Acquisition history provided showing shares originated from restricted stock vesting (2019-2022)

Negative

• Insider sale of 16,989 shares resulting in approximately $796,084 gross proceeds, which may indicate insider liquidity
• No Rule 10b5-1 plan date is indicated in the filing, so the timing appears not to be tied to a disclosed trading plan

Insights

Securities Analyst

TL;DR: Insider sale of ~17k POWI shares disclosed; proceeds near $0.8M, sourced mainly from vested restricted stock.

The filing details a Rule 144 notice for an insider sale executed via Morgan Stanley on NASDAQ. The seller, Douglas Bailey, sold 16,989 shares with reported proceeds of $796,084.15. Acquisition records show the shares primarily resulted from restricted stock vesting (2019-2022) and were compensation-related. This is a routine disclosure of an insider sale under federal resale rules and provides transparency on the origin and timing of the holdings.

Corporate Governance Expert

TL;DR: Filing is a standard compliance disclosure; it signals insider liquidity but contains no governance red flags.

The notice complies with Rule 144 requirements by identifying the broker, number of shares, aggregate value, and acquisition details. The statement that the signer is unaware of undisclosed material adverse information is present. The transaction appears to be sales of vested restricted shares rather than transfers to affiliated parties, and no plan adoption date for Rule 10b5-1 is referenced in the filing.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	16989	788403.43	56095582	08/18/2025	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	04/01/2019	Restricted stock vesting under a registered plan	Issuer			1492	04/01/2019	Compensation
Common	02/05/2021	Restricted stock vesting under a registered plan	Issuer			3640	02/05/2021	Compensation
Common	04/01/2021	Restricted stock vesting under a registered plan	Issuer			1490	04/01/2021	Compensation
Common	02/13/2019	Restricted stock vesting under a registered plan	Issuer			5339	02/13/2019	Compensation
Common	02/12/2022	Restricted stock vesting under a registered plan	Issuer			1892	02/12/2022	Compensation
Common	02/02/2020	Restricted stock vesting under a registered plan	Issuer			3136	02/02/2020	Compensation

* 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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
DOUGLAS BAILEY 5245 Hellyer Avenue San Jose CA 95138-1002	Common	08/14/2025	16989	796084.15

144: Remarks and Signature

Remarks

Date of Notice

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

How many POWI shares were reported for sale in the Form 144?

The filing reports 16,989 shares of Power Integrations common stock to be sold.

Who is the seller named in the Form 144 for POWI?

The seller is identified as Douglas Bailey with an address in San Jose, CA.

What broker handled the proposed sale listed on the Form 144?

The broker named is Morgan Stanley Smith Barney LLC Executive Financial Services located at 1 New York Plaza, New York, NY.

What was the aggregate market value and gross proceeds reported?

The aggregate market value is listed as $788,403.43 and reported gross proceeds for the sale are $796,084.15.

When were the shares acquired that are being sold?

Acquisition dates shown range from 02/13/2019 to 02/12/2022, and are described as restricted stock vesting under registered plans.

On what date was the sale executed per the filing?

The filing records the approximate date of sale as 08/18/2025 and lists an actual sale dated 08/14/2025 in the recent sales table.