Megan C. Lyon - 01 Aug 2025 Form 4 Insider Report for MILLERKNOLL, INC. (MLKN)

Role: Chief Strategy and Technology
Signature: By: Jacqueline H. Rice For: Megan C. Lyon
Issuer symbol: MLKN
Transactions as of: 01 Aug 2025
Net transactions value: -$93,984
Form type: 4
Filing time: 05 Aug 2025, 16:50:51 UTC
Previous filing: 24 Jul 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Lyon Megan	Chief Strategy and Technology	855 EAST MAIN AVENUE, P.O. BOX 302, ZEELAND	By: Jacqueline H. Rice For: Megan C. Lyon	05 Aug 2025	0001766081

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MLKN	Common Stock	Options Exercise	$0	+3,731	+5.8%	$0.000000	68,298	01 Aug 2025	Direct	F1
transaction	MLKN	Common Stock	Tax liability	$21,593	-1,186	-1.7%	$18.21	67,112	01 Aug 2025	Direct
transaction	MLKN	Common Stock	Options Exercise	$0	+4,069	+6.1%	$0.000000	71,181	01 Aug 2025	Direct	F1
transaction	MLKN	Common Stock	Tax liability	$31,709	-1,741	-2.4%	$18.21	69,440	01 Aug 2025	Direct
transaction	MLKN	Common Stock	Award	$0	+1,647	+2.4%	$0.000000	71,087	01 Aug 2025	Direct	F2
transaction	MLKN	Common Stock	Tax liability	$13,076	-718	-1%	$18.21	70,369	01 Aug 2025	Direct
transaction	MLKN	Common Stock	Award	$0	+789	+1.1%	$0.000000	71,158	01 Aug 2025	Direct	F2
transaction	MLKN	Common Stock	Tax liability	$6,264	-344	-0.48%	$18.21	70,814	01 Aug 2025	Direct
transaction	MLKN	Common Stock	Award	$0	+597	+0.84%	$0.000000	71,411	01 Aug 2025	Direct	F2
transaction	MLKN	Common Stock	Tax liability	$4,740	-260	-0.36%	$18.21	71,151	01 Aug 2025	Direct
transaction	MLKN	Common Stock	Award	$0	+974	+1.4%	$0.000000	72,125	01 Aug 2025	Direct	F2
transaction	MLKN	Common Stock	Tax liability	$7,733	-425	-0.59%	$18.21	71,700	01 Aug 2025	Direct
transaction	MLKN	Common Stock	Award	$0	+550	+0.77%	$0.000000	72,250	01 Aug 2025	Direct	F2
transaction	MLKN	Common Stock	Tax liability	$4,367	-240	-0.33%	$18.21	72,010	01 Aug 2025	Direct
transaction	MLKN	Common Stock	Award	$0	+421	+0.58%	$0.000000	72,431	01 Aug 2025	Direct	F2
transaction	MLKN	Common Stock	Tax liability	$3,343	-184	-0.25%	$18.21	72,248	01 Aug 2025	Direct
transaction	MLKN	Common Stock	Award	$0	+146	+0.2%	$0.000000	72,394	01 Aug 2025	Direct	F2
transaction	MLKN	Common Stock	Tax liability	$1,159	-64	-0.09%	$18.21	72,330	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	-3,731	-6.9%	$0.000000	50,200	01 Aug 2025	Common Stock	3,731		Direct	F3, F4
transaction	MLKN	Restricted Stock Units	Options Exercise	$0	-4,069	-8.1%	$0.000000	46,131	01 Aug 2025	Common Stock	4,069		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.