Andrea R. Owen - 01 Aug 2025 Form 4 Insider Report for MILLERKNOLL, INC. (MLKN)

Role: Chief Executive Officer
Signature: By: Jacqueline H. Rice For: Andrea R. Owen
Issuer symbol: MLKN
Transactions as of: 01 Aug 2025
Net transactions value: -$592,767
Form type: 4
Filing time: 05 Aug 2025, 16:56:06 UTC
Previous filing: 24 Jul 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Owen Andrea	Chief Executive Officer	855 EAST MAIN AVENUE, P.O. BOX 302, ZEELAND	By: Jacqueline H. Rice For: Andrea R. Owen	05 Aug 2025	0001747270

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MLKN	Common Stock	Options Exercise	$0	+20,000	+7.7%	$0.000000	281,029	01 Aug 2025	Direct	F1
transaction	MLKN	Common Stock	Tax liability	$176,562	-9,696	-3.5%	$18.21	271,333	01 Aug 2025	Direct
transaction	MLKN	Common Stock	Options Exercise	$0	+22,379	+8.2%	$0.000000	293,712	01 Aug 2025	Direct	F1
transaction	MLKN	Common Stock	Tax liability	$189,817	-10,424	-3.5%	$18.21	283,289	01 Aug 2025	Direct
transaction	MLKN	Common Stock	Award	$0	+9,169	+3.2%	$0.000000	292,458	01 Aug 2025	Direct	F2
transaction	MLKN	Common Stock	Tax liability	$72,798	-3,998	-1.4%	$18.21	288,460	01 Aug 2025	Direct
transaction	MLKN	Common Stock	Award	$0	+4,388	+1.5%	$0.000000	292,848	01 Aug 2025	Direct	F2
transaction	MLKN	Common Stock	Tax liability	$34,839	-1,913	-0.65%	$18.21	290,935	01 Aug 2025	Direct
transaction	MLKN	Common Stock	Award	$0	+3,324	+1.1%	$0.000000	294,259	01 Aug 2025	Direct	F2
transaction	MLKN	Common Stock	Tax liability	$26,391	-1,449	-0.49%	$18.21	292,809	01 Aug 2025	Direct
transaction	MLKN	Common Stock	Award	$0	+5,416	+1.8%	$0.000000	298,225	01 Aug 2025	Direct	F2
transaction	MLKN	Common Stock	Tax liability	$43,001	-2,361	-0.79%	$18.21	295,864	01 Aug 2025	Direct
transaction	MLKN	Common Stock	Award	$0	+2,345	+0.79%	$0.000000	298,209	01 Aug 2025	Direct	F2
transaction	MLKN	Common Stock	Tax liability	$18,618	-1,022	-0.34%	$18.21	297,187	01 Aug 2025	Direct
transaction	MLKN	Common Stock	Award	$0	+812	+0.27%	$0.000000	297,999	01 Aug 2025	Direct	F2
transaction	MLKN	Common Stock	Tax liability	$6,447	-354	-0.12%	$18.21	297,645	01 Aug 2025	Direct
transaction	MLKN	Common Stock	Award	$0	+3,060	+1%	$0.000000	300,705	01 Aug 2025	Direct	F2
transaction	MLKN	Common Stock	Tax liability	$24,295	-1,334	-0.44%	$18.21	299,370	01 Aug 2025	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	MLKN	Restricted Stock Units	Options Exercise	$0	-20,000	-8.7%	$0.000000	210,594	01 Aug 2025	Common Stock	20,000		Direct	F3, F4
transaction	MLKN	Restricted Stock Units	Options Exercise	$0	-22,379	-11%	$0.000000	188,215	01 Aug 2025	Common Stock	22,379		Direct	F3, F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The Number of Derivative Securities Beneficially Owned Following Reported Transaction reflected in Table I of this form includes dividend equivalent units reinvested in the corresponding vesting RSUs, which satisfies the exemption of Rule 16b-2.
F2	Shares issued August 1, 2025 pursuant to Performance Share Units granted on July 12, 2022 under the Company's 2020 LTIP.
F3	Each restricted stock unit represents a contingent right to receive one share of MLKN common stock.
F4	The restricted stock units are subject to a three-year vest schedule, vesting 25% at year one, 25% at year two, and 50% at year three. Vesting is on August 1 of each respective year.