Clifford Walker sells 29,700 POWI shares (NASDAQ: POWI) per Rule 144

Rhea-AI Filing Summary

Clifford J. Walker reported dispositions of Company common stock under Rule 144. The filing lists a sale of 20,339 shares on 05/13/2026 for $1,467,053.11 and a sale of 9,361 shares on 05/12/2026 for $667,036.78. The broker shown is Morgan Stanley Smith Barney LLC. The filing also lists 300 shares tied to restricted stock vesting under a registered plan dated 04/01/2022.

Insights

Securities Compliance Counsel

Rule 144 resale disclosures of two open-market dispositions by an affiliated holder.

The entry names Clifford J. Walker and records sales of 20,339 shares ($1,467,053.11) on 05/13/2026 and 9,361 shares ($667,036.78) on 05/12/2026, with Morgan Stanley Smith Barney LLC as broker. These are presented as Rule 144 dispositions; the filing format is consistent with resale notices.

Filing mechanics and timing determine compliance; subsequent filings (e.g., Form 4 or broker confirmations) would show additional detail. Cash‑flow treatment and remaining holdings are not stated in the excerpt.

Key Figures

Sale on 05/13/2026: 20,339 shares Sale on 05/12/2026: 9,361 shares Restricted shares tied to vesting: 300 shares

3 metrics

Sale on 05/13/2026 20,339 shares proceeds <money>$1,467,053.11</money>

Sale on 05/12/2026 9,361 shares proceeds <money>$667,036.78</money>

Restricted shares tied to vesting 300 shares restricted stock vesting under registered plan dated <date>04/01/2022</date>

Key Terms

Rule 144, restricted stock vesting, broker-dealer

3 terms

Rule 144 regulatory

"dispositions of Company common stock under Rule 144"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

restricted stock vesting financial

"Restricted stock vesting under a registered plan dated 04/01/2022"

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.

broker-dealer market

"Morgan Stanley Smith Barney LLC 1 New York Plaza 8th Floor"

A broker-dealer is a licensed firm or individual that both executes trades on behalf of clients (acting as a broker) and buys or sells securities for its own account (acting as a dealer). Investors care because broker-dealers provide the plumbing of markets — they place orders, hold or move cash and securities, offer research or advice, and their stability and fees directly affect trade execution, costs, and the safety of client funds; think of them as a combined travel agent and taxi for your investments.

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	300	21375.00	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	04/01/2022	Restricted stock vesting under a registered plan	Issuer			300	04/01/2022	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

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

What did the POWI Form 144 disclose about Clifford J. Walker's transactions?

The Form 144 shows two reported sales: 20,339 shares on 05/13/2026 for $1,467,053.11 and 9,361 shares on 05/12/2026 for $667,036.78. The broker listed is Morgan Stanley Smith Barney LLC.

Does the filing show any restricted shares or vesting events for POWI?

Yes. The filing lists 300 shares described as restricted stock vesting under a registered plan dated 04/01/2022, with cash indicated as the form of consideration in that line.

Who acted as broker for the reported sales in the POWI Form 144?

The filing names Morgan Stanley Smith Barney LLC at 1 New York Plaza as the broker-dealer associated with the reported transactions on the Form 144.

Do the Form 144 entries state how many POWI shares remain after these sales?

The excerpt does not state post-transaction holdings or total beneficial ownership. It only records the reported dispositions with share counts and gross proceeds for the two sale dates.