Mozart Holdco, Inc. - 18 Dec 2025 Form 4 Insider Report for Medline Inc. (MDLN)

Role: 10%+ Owner
Signature: /s/ Eric Orsic, as Attorney-in-Fact for James D. Abrams, Secretary
Issuer symbol: MDLN
Transactions as of: 18 Dec 2025
Net transactions value: $0
Form type: 4
Filing time: 19 Dec 2025, 19:17:07 UTC
Previous filing: 17 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Mozart Holdco, Inc.	10%+ Owner	C/O MEDLINE INC., 3 LAKES DRIVE, NORTHFIELD	/s/ Eric Orsic, as Attorney-in-Fact for James D. Abrams, Secretary	19 Dec 2025	0002095472

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MDLN	Class A Common Stock	Conversion of derivative security	$0	+253,165	+734%	$0.000000	287,648	18 Dec 2025	Direct	F1
transaction	MDLN	Class B Common Stock	Other	$0	-253,165	-0.11%	$0.000000	234,020,656	18 Dec 2025	Direct	F1, F2

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	MDLN	Common Units of Medline Holdings, LP	Conversion of derivative security	$0	-253,165	-0.11%	$0.000000	234,020,656	18 Dec 2025	Class A Common Stock	253,165		Direct	F1, F3

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

Explanation of Responses:

Id	Content
F1	Reflects an exchange of common units of Medline Holdings, LP ("Common Units"), together with the cancellation of the same number of shares of the Issuer's Class B common stock ("Class B Common Stock"), for an equal number of shares of the Issuer's Class A common stock ("Class A Common Stock"), pursuant to the terms of an exchange agreement, dated as of December 16, 2025 (the "Exchange Agreement"). Transactions are exempt from Section 16(b) in reliance on Rule 16b-6(b).
F2	Shares of Class B common stock have no economic value and have one vote per share. One share of Class B Common Stock is issued for each Common Unit held. Upon an exchange of Common Units for shares of Class A common stock, an equivalent number of shares of Class B Common Stock held by such holder will be automatically cancelled.
F3	Pursuant to the terms of the Exchange Agreement, holders have the right to exchange their Common Units for shares of Class A Common Stock on a one-for-one basis, subject to customary conversion rate adjustments for stock splits, stock dividends and reclassifications. These exchange rights do not expire.