[Form 4] MARAVAI LIFESCIENCES HOLDINGS, INC. Insider Trading Activity

Rhea-AI Filing Summary

MARAVAI LIFESCIENCES HOLDINGS, INC. officer Christine Dolan reported a routine tax-withholding transaction related to restricted stock units. On March 16, 2026, 28,661 shares of Class A common stock were withheld at $3.08 per share to cover tax obligations on vesting awards. After this non-market disposition, she directly holds 420,312 shares of Class A common stock.

Insider Trade Summary

Net Seller: 28,661 shares

Net Sell 1 txn

Insider Dolan Christine

Role See Remarks

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Class A Common Stock	28,661	$3.08	$88K

Holdings After Transaction: Class A Common Stock — 420,312 shares (Direct)

Footnotes (1)

1. F1. Represents shares withheld to satisfy tax withholding obligations in connection with the vesting of restricted stock unit awards held by the reporting person.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 03/17/2026 - 04:16 PM Learn about SEC filing dates

FAQ

What insider transaction did Maravai (MRVI) officer Christine Dolan report?

Christine Dolan reported a tax-withholding disposition of Class A common stock. On March 16, 2026, 28,661 shares were withheld to satisfy tax obligations arising from the vesting of restricted stock units, rather than being sold on the open market.

How many MRVI shares were withheld for Christine Dolan’s tax obligations?

A total of 28,661 Maravai Class A common shares were withheld. The withholding covered tax liabilities triggered by the vesting of restricted stock unit awards, as noted in the filing’s footnote describing the nature of this non-market disposition.

At what price per share were Christine Dolan’s withheld MRVI shares valued?

The withheld shares were valued at $3.08 per share. This price is used solely for reporting the tax-withholding disposition of 28,661 Class A common shares connected to the vesting of restricted stock unit awards held by Christine Dolan.

How many MRVI shares does Christine Dolan own after the tax withholding?

Following the tax-withholding disposition, Christine Dolan directly owns 420,312 Class A common shares. This post-transaction holding reflects her remaining stake after 28,661 shares were withheld to satisfy tax obligations tied to restricted stock unit vesting.

Was Christine Dolan’s MRVI transaction an open-market sale or a routine tax withholding?

The transaction was a routine tax withholding, not an open-market sale. Shares were withheld by the issuer to pay tax obligations associated with the vesting of restricted stock unit awards, as explained in the accompanying Form 4 footnote disclosure.

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Dolan Christine

(Last) (First) (Middle)

C/O MARAVAI LIFESCIENCES HOLDINGS, INC.

10770 WATERIDGE CIRCLE, SUITE 200

(Street)

SAN DIEGO CA 92121

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
MARAVAI LIFESCIENCES HOLDINGS, INC. [ MRVI ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	See Remarks

3. Date of Earliest Transaction (Month/Day/Year)
03/16/2026

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
Class A Common Stock	03/16/2026		F		28,661(1)	D	$3.08	420,312	D

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

Explanation of Responses:

1. Represents shares withheld to satisfy tax withholding obligations in connection with the vesting of restricted stock unit awards held by the reporting person.

Remarks:

Executive Vice President & General Manager, Cygnus Technologies

	/s/ Kurt Oreshack, by power of attorney for Christine Dolan	03/17/2026
	** 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.