[Form 4] Marvell Technology, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Marvell Technology (MRVL) executive Mark J. Casper, EVP & Chief Legal Officer, reported RSU conversions to common stock and related tax-withholding share surrenders on 10/15/2025. Multiple RSU tranches were converted to common at $0 (codes M), and shares were withheld for taxes at $88.89 per share (code F).

Following these transactions, he held 9,022 shares directly and 17,163 shares indirectly via a trust. Derivative holdings showed 15,290 Restricted Stock Units beneficially owned after the reported transactions. Notes indicate additional RSU vesting dates extending through April 15, 2028.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Casper Mark

(Last) (First) (Middle)

5488 MARVELL LANE

(Street)

SANTA CLARA CA 95054

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Marvell Technology, Inc. [ MRVL ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP & Chief Legal Officer

3. Date of Earliest Transaction (Month/Day/Year)
10/15/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	10/15/2025		M		1,520	A	$0	7,087	D
Common Stock	10/15/2025		F(1)		754	D	$88.89	6,333	D
Common Stock	10/15/2025		M		210	A	$0	6,543	D
Common Stock	10/15/2025		F(1)		105	D	$88.89	6,438	D
Common Stock	10/15/2025		M		2,207	A	$0	8,645	D
Common Stock	10/15/2025		F(1)		1,095	D	$88.89	7,550	D
Common Stock	10/15/2025		M		1,394	A	$0	8,944	D
Common Stock	10/15/2025		F(1)		692	D	$88.89	8,252	D
Common Stock	10/15/2025		M		1,529	A	$0	9,781	D
Common Stock	10/15/2025		F(1)		759	D	$88.89	9,022	D
Common Stock								17,163	I	By Trust(2)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(3)	10/15/2025		M			1,520	(4)	(4)	Common Stock	1,520	$0	0	D
Restricted Stock Units	(3)	10/15/2025		M			210	(4)	(4)	Common Stock	210	$0	0	D
Restricted Stock Units	(3)	10/15/2025		M			2,207	(5)	(5)	Common Stock	2,207	$0	4,416	D
Restricted Stock Units	(3)	10/15/2025		M			1,394	(6)	(6)	Common Stock	1,394	$0	8,363	D
Restricted Stock Units	(3)	10/15/2025		M			1,529	(7)	(7)	Common Stock	1,529	$0	15,290	D

Explanation of Responses:

1. Surrender of shares in payment of tax withholding due as a result of the vesting of Restricted Stock Units.

2. Held in the Mark J. Casper and Stephanie Casper Revocable Trust, of which the Reporting Person is the trustee, for the benefit of members of his immediate family.

3. Each Restricted Stock Unit represents a contingent right to receive one share of Common Stock of Marvell Technology, Inc. upon vesting.

4. This award fully vested on October 15, 2025.

5. The remaining Restricted Stock Units shall vest on January 15, 2026 and April 15, 2026.

6. The remaining Restricted Stock Units shall vest on January 15, 2026, April 15, 2026, July 15, 2026, October 15, 2026, January 15, 2027 and April 15, 2027.

7. The remaining Restricted Stock Units shall vest on January 15, 2026, April 15, 2026, July 15, 2026, October 15, 2026, January 15, 2027, April 15, 2027, October 15, 2027, January 15, 2028 and April 15, 2028.

Remarks:

	Mark Casper by Blair Walters as Attorney-in-Fact	10/16/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did MRVL insider Mark J. Casper report on Form 4?

He reported RSU conversions to common stock (code M at $0) and tax-withholding share surrenders (code F) on 10/15/2025.

How many MRVL shares does he own directly after the transactions?

He owned 9,022 shares directly after the reported transactions.

How many MRVL shares are held indirectly by trust?

He had 17,163 shares held indirectly via the Mark J. Casper and Stephanie Casper Revocable Trust.

What price was used for tax withholding on the surrendered shares?

Shares were withheld for taxes at $88.89 per share (code F).

How many RSUs remain beneficially owned after these transactions?

He beneficially owned 15,290 Restricted Stock Units after the transactions.

When do the remaining RSUs vest for MRVL's CLO?

Per the notes: remaining RSUs vest on Jan 15, 2026 and Apr 15, 2026 (for one award); on Jan 15, 2026, Apr 15, 2026, Jul 15, 2026, Oct 15, 2026, Jan 15, 2027, Apr 15, 2027 (for another); and on those dates plus Oct 15, 2027, Jan 15, 2028, Apr 15, 2028 (for a third).

What is the insider’s role at Marvell Technology (MRVL)?

He is the company’s EVP & Chief Legal Officer.