Insider Mark Casper to sell 10,854 performance shares (MRVL)

Rhea-AI Filing Summary

MRVL Form 144: Reporting person Mark Casper filed a Form 144 indicating an intended sale of 10,854 shares of Common Stock described as Performance Shares with an award date of 12/15/2025. The filing lists prior sales of 7,000 shares on 04/01/2026 for $735,735.00 and 5,000 shares on 01/05/2026 for $465,400.00.

Insights

Insider Transactions Analyst

Insider submitted a Form 144 to sell performance shares and reported recent open-market dispositions.

The filing shows an intended resale of 10,854 Performance Shares (award date 12/15/2025) by Mark Casper. Two prior dispositions in the excerpt total 12,000 shares sold across 01/05/2026 and 04/01/2026, with proceeds reported.

These entries are routine notice filings for restricted or control securities; cash‑flow treatment and any withholding instructions are not stated in the excerpt. Subsequent filings would report completed transactions and post‑sale holdings.

Key Figures

Shares proposed for sale: 10,854 shares Sale on 04/01/2026: 7,000 shares Sale on 01/05/2026: 5,000 shares +1 more

4 metrics

Shares proposed for sale 10,854 shares Performance Shares award date 12/15/2025

Sale on 04/01/2026 7,000 shares Proceeds $735,735.00 reported

Sale on 01/05/2026 5,000 shares Proceeds $465,400.00 reported

Form filing date / broker info 04/02/2026; Morgan Stanley Smith Barney LLC Filer and broker listed in excerpt

Key Terms

Form 144, Performance Shares, Proceeds

3 terms

Form 144 regulatory

"Filed as notice of proposed sale by an affiliate"

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.

Performance Shares financial

"Common | 12/15/2025 | Performance Shares | Issuer"

Performance shares are a type of company stock given to executives or employees that only become theirs if the company meets specific goals, like hitting certain profits or growth targets. They motivate leaders to work toward the company’s success, because their additional shares depend on achieving these results.

Proceeds financial

"7,000 | 735735.00 and 5,000 | 465400.00"

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	10854	1161453.98	874300000	04/02/2026	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	12/15/2025	Performance Shares	Issuer			10854	12/15/2025	Not Applicable

* 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
MARK CASPER 1000 N. West Street, Suite 1200 Wilmington DE 19801	Common	04/01/2026	7000	735735.00
MARK CASPER 1000 N. West Street, Suite 1200 Wilmington DE 19801	Common	01/05/2026	5000	465400.00

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 does MRVL's Form 144 filed by Mark Casper report?

It reports an intended sale of 10,854 Performance Shares dated 12/15/2025. The filing also discloses prior sales of 7,000 shares on 04/01/2026 for $735,735.00 and 5,000 shares on 01/05/2026 for $465,400.00.

How many shares did Mark Casper report selling in the past three months?

The excerpt shows reported dispositions of 7,000 shares on 04/01/2026 and 5,000 shares on 01/05/2026, totaling 12,000 shares. Dollar proceeds are listed for each transaction in the excerpt.

What type of securities are covered by the Form 144 excerpt for MRVL?

The securities are described as Common Stock Performance Shares with an award date of 12/15/2025. The filing lists the seller as Mark Casper and the broker as Morgan Stanley Smith Barney LLC in the excerpt.

What proceeds were reported for the recent sales in the Form 144 excerpt?

The excerpt reports proceeds of $735,735.00 for the 7,000-share sale on 04/01/2026 and $465,400.00 for the 5,000-share sale on 01/05/2026. No use-of-proceeds detail is provided in the excerpt.