Madison Avenue Partners, LP - 30 Sep 2025 SCHEDULE 13G/A Report for Magnera Corp Common Stock, $0.01 par value per share (the "Common Stock") (MAGN)

Filing Manager: Madison Avenue Partners, LP
Reporting Manager: Madison Avenue Partners, LP
Security: Magnera Corp Common Stock, $0.01 par value per share (the "Common Stock")
Symbol: MAGN
Shares outstanding: 35,403,513 shares
Disclosed Ownership: 2,832,281 shares
Ownership: 8%
Form type: SCHEDULE 13G/A
Filing time: 14 Nov 2025, 10:18:50 UTC
Date of event: 30 Sep 2025
SEC: View on sec.gov

Reporting Managers (6)

Name	Ownership	Shares Owned	shared voting power	Signature	Title
Madison Avenue Partners, LP	8%	2,832,281	2,832,281	/s/ Eli Samaha	Eli Samaha, as Managing Member of EMAI Management, LLC, the General Partner of Madison Avenue Partners, LP
Madison Avenue International LP	8%	2,832,281	2,832,281	/s/ Eli Samaha	Eli Samaha, as Manager of Madison Avenue GP, LLC, the General Partner of Madison Avenue International LP
EMAI Management, LLC	8%	2,832,281	2,832,281	/s/ Eli Samaha	Eli Samaha, as Managing Member
Madison Avenue GP, LLC	8%	2,832,281	2,832,281	/s/ Eli Samaha	Eli Samaha, as Manager
Caraway Jackson Investments LLC	8%	2,832,281	2,832,281	/s/ Eli Samaha	Eli Samaha, as Member
Eli Samaha	8%	2,832,281	2,832,281	/s/ Eli Samaha	Eli Samaha