Insider reports multiple 10b5-1 sales of common stock

Insider reported multiple Rule 144/10b5-1 sales of common stock.

Accepted by SEC EDGAR 05/08/2026 - 04:20 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Insider reported multiple Rule 144/10b5-1 sales of common stock. The filing lists a series of sales executed under a 10b5-1 plan, including 5,000 shares sold on 05/05/2026 for $173,750 and other transactions in April–February 2026. The filing also shows 4,502 RSUs (01/20/2025) and 147 ESPP shares (04/15/2025).

Key Figures

Sale on 05/05/2026: 5,000 shares Sale on 04/09/2026: 12,546 shares Sale on 04/24/2026: 5,000 shares +3 more

6 metrics

Sale on 05/05/2026 5,000 shares sold for $173,750 on 05/05/2026

Sale on 04/09/2026 12,546 shares sold for $282,882.74 on 04/09/2026

Sale on 04/24/2026 5,000 shares sold for $148,750 on 04/24/2026

Restricted Stock Units 4,502 RSUs dated 01/20/2025

ESPP shares 147 shares dated 04/15/2025

Sale on 02/24/2026 10,046 shares sold for $201,597.10 on 02/24/2026

Key Terms

10b5-1, Restricted Stock Units, Employee Stock Purchase Plan

3 terms

10b5-1 regulatory

"10b5-1 Sales for JOSEPH CLARK ..."

A 10b5-1 plan is a pre-set schedule that lets company insiders buy or sell shares according to written instructions made when they do not possess material, nonpublic information. Think of it as a timed automatic payment for stock trades: it helps insiders avoid accusations of trading on secret information and gives outside investors a clearer signal about whether sales are routine or potentially informative about the company’s prospects.

Restricted Stock Units financial

"Restricted Stock Units | Issuer | ... 4502 | 01/20/2025"

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.

Employee Stock Purchase Plan financial

"Employee Stock Purchase Plan | Issuer | ... 147 | 04/15/2025"

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.

FAQ

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

What sales does the PENG Form 144 show?

The filing shows multiple 10b5-1 sales of common stock. Examples include 5,000 shares sold on 05/05/2026 for $173,750 and 12,546 shares sold on 04/09/2026 for $282,882.74.

Who executed the sales reported in the filing?

Sales are reported for Joseph Clark under a 10b5-1 plan. The filing identifies Joseph Clark's address and lists multiple executed transactions dated between February and May 2026 under that plan.

Does the filing show equity awards or plan holdings?

Yes. The filing lists 4,502 Restricted Stock Units and 147 ESPP shares. The RSUs are dated 01/20/2025 and the ESPP entries are dated 04/15/2025 as shown in the excerpt.

Are the sales described as 10b5-1 plan transactions?

Yes. The transactions are labeled as 10b5-1 sales. Each sale line in the excerpt is prefaced with “10b5-1 Sales for JOSEPH CLARK,” indicating the sales were executed under that plan.

What dates and amounts are highlighted in the filing?

Notable entries include 05/05/2026: 5,000 shares for $173,750 and 04/09/2026: 12,546 shares for $282,882.74, plus additional April and February 2026 transactions listed in the excerpt.

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	4649	181218.02	50747508	05/08/2026	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	01/20/2025	Restricted Stock Units	Issuer			4502	01/20/2025	N/A
Common	04/15/2025	Employee Stock Purchase Plan	Issuer			147	04/15/2025	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	05/05/2026	5000	173750.00
10b5-1 Sales for JOSEPH CLARK 45800 Northport Loop West Fremont CA 94538	Common	04/24/2026	5000	148750.00
10b5-1 Sales for JOSEPH CLARK 45800 Northport Loop West Fremont CA 94538	Common	04/23/2026	1485	41015.70
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	The securities to be sold were acquired upon the vesting of restricted stock units during the period of 1/20/2025 through 10/20/2025
Date of Notice	05/08/2026
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)