POWI affiliate reports Form 144 sale of 20,339 shares

POWI affiliate reported Form 144 sales of common stock by Clifford J. Walker.

Accepted by SEC EDGAR 05/26/2026 - 04:20 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

POWI affiliate reported Form 144 sales of common stock by Clifford J. Walker. The filing lists dispositions of 20,339 shares on 05/13/2026 and 9,361 shares on 05/12/2026 with disclosed proceeds of $1,467,053.11 and $667,036.78, respectively. The filing also lists multiple issuer stock vesting and ESPP purchases by employees on various dates.

Key Figures

Disposition: 20,339 shares Proceeds: $1,467,053.11 Disposition: 9,361 shares +3 more

6 metrics

Disposition 20,339 shares sold on 05/13/2026

Proceeds $1,467,053.11 proceeds from 20,339 shares on 05/13/2026

Disposition 9,361 shares sold on 05/12/2026

Proceeds $667,036.78 proceeds from 9,361 shares on 05/12/2026

ESPP purchase example 1,390 shares Shares Purchased through Employee Stock Purchase Plan on 01/31/2026

Restricted stock vesting example 1,951 shares Restricted stock vesting under a registered plan on 02/06/2026

Key Terms

Form 144, Employee Stock Purchase Plan, Restricted stock vesting

3 terms

Form 144 regulatory

"144: Securities Sold During The Past 3 Months"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Employee Stock Purchase Plan financial

"Shares Purchased through Employee Stock Purchase Plan"

An employee stock purchase plan is a company program that lets workers buy shares through small payroll deductions, often at a discount to the market price and after a set offering period. Think of it like a workplace savings plan that turns into ownership: it encourages employees to share in the company’s success and can create predictable buying or selling of stock that investors watch because it affects supply, demand and employee incentives.

Restricted stock vesting financial

"Restricted stock vesting under a registered plan"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

FAQ

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

What does the POWI Form 144 filing disclose?

The filing discloses planned dispositions by Clifford J. Walker of 20,339 shares on 05/13/2026 and 9,361 shares on 05/12/2026. It lists cash proceeds of $1,467,053.11 and $667,036.78 for those sales.

Who is the selling party in the POWI Form 144?

The seller named is Clifford J. Walker, with an address listed in San Jose, CA. The filing attributes the two reported dispositions to this individual as the reporting party.

How many shares and proceeds are shown in the POWI filing?

The filing shows two reported dispositions: 20,339 shares (proceeds $1,467,053.11) and 9,361 shares (proceeds $667,036.78), dated 05/13/2026 and 05/12/2026 respectively.

Does the filing show other equity activity at POWI?

Yes. The excerpt lists multiple issuer actions such as restricted stock vesting under a registered plan and employee stock purchase plan purchases on several dates, with individual share counts like 1,390 shares on 01/31/2026.

Is the Form 144 filing an indication of immediate market sales?

Form 144 notifies the SEC of an intent to sell restricted or control securities. The filing lists specific dates and quantities for dispositions, but actual execution timing and method are not described beyond those dates in the excerpt.

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

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

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	14700	1130692.17	55719984	05/26/2026	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	01/29/2025	Restricted stock vesting under a registered plan	Issuer			614	01/29/2025	Cash
Common	01/30/2025	Restricted stock vesting under a registered plan	Issuer			1485	01/30/2025	Cash
Common	01/31/2025	Shares Purchased through Employee Stock Purchase Plan	Issuer			225	01/31/2025	Cash
Common	02/05/2025	Restricted stock vesting under a registered plan	Issuer			640	02/05/2025	Cash
Common	02/07/2025	Restricted stock vesting under a registered plan	Issuer			933	02/07/2025	Cash
Common	02/09/2025	Restricted stock vesting under a registered plan	Issuer			1460	02/09/2025	Cash
Common	04/01/2025	Restricted stock vesting under a registered plan	Issuer			1912	04/01/2025	Cash
Common	07/31/2025	Shares Purchased through Employee Stock Purchase Plan	Issuer			207	07/31/2025	Cash
Common	01/25/2026	Restricted stock vesting under a registered plan	Issuer			276	01/25/2026	Cash
Common	01/26/2026	Restricted stock vesting under a registered plan	Issuer			1058	01/26/2026	Cash
Common	01/27/2026	Restricted stock vesting under a registered plan	Issuer			651	01/27/2026	Cash
Common	01/29/2026	Restricted stock vesting under a registered plan	Issuer			477	01/29/2026	Cash
Common	01/30/2026	Restricted stock vesting under a registered plan	Issuer			630	01/31/2026	Cash
Common	01/31/2026	Shares Purchased through Employee Stock Purchase Plan	Issuer			1390	01/31/2026	Cash
Common	02/02/2026	Restricted stock vesting under a registered plan	Issuer			781	02/02/2026	Cash
Common	02/06/2026	Restricted stock vesting under a registered plan	Issuer			1951	02/06/2026	Cash
Common	02/09/2026	Restricted stock vesting under a registered plan	Issuer			10	02/09/2026	Cash

* 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
CLIFFORD J WALKER 5245 Hellyer Avenue San Jose CA 95138-1002	Common	05/13/2026	20339	1467053.11
CLIFFORD J WALKER 5245 Hellyer Avenue San Jose CA 95138-1002	Common	05/12/2026	9361	667036.78

144: Remarks and Signature

Remarks
Date of Notice	05/26/2026
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)