Maravai Lifesciences (MRVI) CEO reports 29,250-share tax withholding event

Rhea-AI Filing Summary

MARAVAI LIFESCIENCES HOLDINGS, INC. Chief Executive Officer Bernd Brust reported routine equity compensation-related activity in Class A Common Stock. A total of 29,250 shares were withheld to satisfy tax withholding obligations in connection with the vesting of restricted stock unit awards, a non-open-market, tax-related disposition. Following these transactions, Brust holds 1,619,749 Class A shares directly and 466,771 Class A shares indirectly through The Bernd Brust Management Trust.

Insider Trade Summary

Net Seller: 29,250 shares

Net Sell 2 txns

Insider Brust Bernd

Role Chief Executive Officer

Type	Security	Shares	Price	Value
Tax Withholding	Class A Common Stock F1	29,250	$5.92	$173K
holding	Class A Common Stock	--	--	--

Holdings After Transaction: Class A Common Stock — 1,619,749 shares (Direct); Class A Common Stock — 466,771 shares (Indirect, The Bernd Brust Management Trust)

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.

Key Figures

Shares withheld for taxes: 29,250 shares Withholding price per share: $5.9200 per share Direct holdings after transaction: 1,619,749 shares +1 more

4 metrics

Shares withheld for taxes 29,250 shares Class A Common Stock withheld to satisfy tax withholding obligations on RSU vesting

Withholding price per share $5.9200 per share Value used for the 29,250 Class A shares withheld for tax obligations

Direct holdings after transaction 1,619,749 shares Class A Common Stock directly owned by Bernd Brust following the tax withholding

Indirect holdings after transaction 466,771 shares Class A Common Stock held indirectly via The Bernd Brust Management Trust

Key Terms

restricted stock unit awards, tax withholding obligations, indirect ownership

3 terms

restricted stock unit awards financial

"in connection with the vesting of restricted stock unit awards held by the reporting person"

Restricted stock unit awards are company promises to deliver a specific number of shares to employees or service providers in the future once conditions—such as staying with the company for a set time or meeting performance targets—are met. They matter to investors because when the promises convert into actual shares they increase the total share count and can reduce earnings per share, while also aligning recipients’ interests with stock performance much like deferred pay that turns into ownership if goals are met.

tax withholding obligations financial

"shares withheld to satisfy tax withholding obligations in connection with the vesting"

indirect ownership financial

"indirect" ownership type with nature of ownership The Bernd Brust Management Trust"

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

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/10/2026 - 05:35 PM Accepted by SEC EDGAR 07/10/2026 - 05:34 PM Learn about SEC filing dates

FAQ

What insider transaction did MRVI CEO Bernd Brust report on this Form 4?

MRVI CEO Bernd Brust reported a tax-related disposition where 29,250 Class A shares were withheld to cover tax obligations from vesting restricted stock units, with no open-market sale involved.

How many MRVI shares were withheld for taxes in Bernd Brust’s recent filing?

The filing shows 29,250 Class A Common Stock shares were withheld to satisfy tax withholding obligations arising from vesting restricted stock unit awards held by Bernd Brust.

What are Bernd Brust’s direct MRVI share holdings after this Form 4 event?

After the reported tax withholding, Bernd Brust holds 1,619,749 shares of MRVI Class A Common Stock directly, as disclosed in the ownership line following the transaction.

Does Bernd Brust hold any MRVI shares indirectly through a trust?

Yes. The Form 4 reports 466,771 Class A shares held indirectly through The Bernd Brust Management Trust, separate from his directly held Maravai Lifesciences shares.

Was the MRVI CEO’s Form 4 transaction an open-market sale of shares?

No. The Form 4 identifies the code F and explains the 29,250 shares were withheld to cover tax obligations related to RSU vesting, not sold on the open market.

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^*

Brust Bernd

(Last) (First) (Middle)

C/O MARAVAI LIFESCIENCES HOLDINGS, INC.

10770 WATERIDGE CIRCLE, SUITE 200

(Street)

SAN DIEGO CALIFORNIA 92121

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/08/2026

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

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

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

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	07/08/2026		F		29,250(1)	D	$5.92	1,619,749	D
Class A Common Stock								466,771	I	The Bernd Brust Management Trust

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:

	/s/ Kurt Oreshack, by power of attorney for Bernd Brust	07/10/2026
	** 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.
* Form 4: SEC 1474 (03-26)