Insider 10b5-1 sales reported by Joseph Clark

Joseph Clark reported sales of Common stock under 10b5-1 plans and disclosed issuer awards.

Accepted by SEC EDGAR 04/23/2026 - 04:30 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Joseph Clark reported sales of Common stock under 10b5-1 plans and disclosed issuer awards. The filing lists four 10b5-1 sales on 02/10/2026, 02/24/2026, 04/09/2026, and 04/16/2026 with share counts and proceeds per each entry. It also shows 1,485 Restricted Stock Units and 10,351 Performance Stock Units listed as securities to be sold or issued.

Key Figures

10b5-1 sale 02/10/2026: 1,346 shares 10b5-1 sale 02/24/2026: 10,046 shares 10b5-1 sale 04/09/2026: 12,546 shares +3 more

6 metrics

10b5-1 sale 02/10/2026 1,346 shares sale proceeds $25,614.38

10b5-1 sale 02/24/2026 10,046 shares sale proceeds $201,597.10

10b5-1 sale 04/09/2026 12,546 shares sale proceeds $282,882.74

10b5-1 sale 04/16/2026 5,000 shares sale proceeds $134,100.00

Restricted Stock Units 1,485 units grant date 04/20/2026

Performance Stock Units 10,351 units grant date 10/14/2025

Key Terms

10b5-1 Sales, Restricted Stock Units, Performance Stock Units

3 terms

10b5-1 Sales regulatory

"10b5-1 Sales for JOSEPH CLARK ... 04/16/2026 | 5000 | 134100.00"

10b5-1 sales are pre-arranged stock-trading plans that let company insiders automatically buy or sell shares according to a fixed schedule or formula, even if they later learn confidential information. Think of it as setting up an automatic thermostat for trades: it creates a clear, documented path that can protect insiders from insider-trading accusations and gives investors a signal about predictable insider activity—though it can also simply be a way for insiders to diversify or raise cash.

Restricted Stock Units financial

"Common | 04/20/2026 | Restricted Stock Units | Issuer ... 1485 | 04/20/2026"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Performance Stock Units financial

"Common | 10/14/2025 | Performance Stock Units | Issuer ... 10351 | 10/14/2025"

Performance stock units are a type of company award that grants employees shares of stock only if certain performance goals are met. They motivate employees to work toward specific company achievements, aligning their interests with those of shareholders. For investors, they can influence a company's future stock supply and reflect management’s confidence in reaching key targets.

FAQ

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

What 10b5-1 sales does the PENG Form 144 list?

The filing lists four 10b5-1 sales by Joseph Clark on 02/10/2026, 02/24/2026, 04/09/2026, and 04/16/2026. Each entry shows the number of shares sold and the gross proceeds for that trade.

How many Restricted Stock Units and Performance Stock Units are shown in the PENG filing?

The filing shows 1,485 Restricted Stock Units and 10,351 Performance Stock Units. These figures appear under the securities to be sold/issued lines with their respective grant dates.

Who is the reported seller in the PENG Form 144?

The reported seller is Joseph Clark, with an address listed. The entries are shown as 10b5-1 sales attributed to him across the listed dates and share amounts.

What proceeds are reported for the individual 10b5-1 sales in the filing?

Reported proceeds include $25,614.38 for 1,346 shares on 02/10/2026, $201,597.10 for 10,046 shares on 02/24/2026, $282,882.74 for 12,546 shares on 04/09/2026, and $134,100.00 for 5,000 shares on 04/16/2026.

Does the PENG filing indicate the sales were pre-arranged?

Yes. The sales are labeled as 10b5-1 Sales, indicating they were executed under pre-arranged trading plans. The filing lists each trade date, share count, and gross amount for these plan trades.

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

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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	0001944970
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	PENGUIN SOLUTIONS, INC.
SEC File Number	001-38102
Address of Issuer	45800 Northport Loop West Fremont CALIFORNIA 94538
Phone	5106231231
Name of Person for Whose Account the Securities are To Be Sold	JOSEPH CLARK
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	11836	326436.88	50747508	04/23/2026	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	04/20/2026	Restricted Stock Units	Issuer			1485	04/20/2026	N/A
Common	10/14/2025	Performance Stock Units	Issuer			10351	10/14/2025	N/A

* 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
10b5-1 Sales for JOSEPH CLARK 45800 Northport Loop West Fremont CA 94538	Common	04/16/2026	5000	134100.00
10b5-1 Sales for JOSEPH CLARK 45800 Northport Loop West Fremont CA 94538	Common	04/09/2026	12546	282882.74
10b5-1 Sales for JOSEPH CLARK 45800 Northport Loop West Fremont CA 94538	Common	02/24/2026	10046	201597.10
10b5-1 Sales for JOSEPH CLARK 45800 Northport Loop West Fremont CA 94538	Common	02/10/2026	1346	25614.38

144: Remarks and Signature

Remarks
Date of Notice	04/23/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	11/11/2025
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/ Joseph Clark
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)