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MAGN · Additional Proxy Materials (DEFA14A) · Filed January 14, 2026

Magnera Corp — Additional Proxy Materials (DEFA14A)

Form
DEFA14A
Filed
January 14, 2026
Ticker
MAGN
Accession
0001140361-26-001151
Magnera Corp on Boardroom AlphaView on SEC EDGAR
Boardroom Alpha · Filing insights

No material developments in Magnera Corporation's provided excerpt; consult the filing for more details.

About Magnera Corp
Market cap
$414M
1Y TSR
−15.0%
3Y TSR
−35.5%
Board grade
C-
Sector
Basic Materials
CEO
Curt Begle
Last annual meeting: Mar 9, 2026 · View full Magnera Corp profile →
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
 
SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the Securities
Exchange Act of 1934 (Amendment No. )

 
Filed by the Registrant ☑
Filed by a Party other than the Registrant  ☐

Check the appropriate box:

☐
Preliminary Proxy Statement
☐
Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
☐
Definitive Proxy Statement
☑
Definitive Additional Materials
☐
Soliciting Material Pursuant to §240.14a-12
 
 

Magnera Corporation
(Name of Registrant as Specified In Its Charter)
(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check all boxes that apply):
 
☑
No fee required
☐
Fee paid previously with preliminary materials
☐
Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11

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Frequently asked questions

When did Magnera Corp file this DEFA14A?
Magnera Corp (MAGN) filed this Additional Proxy Materials (DEFA14A) with the SEC on January 14, 2026. The accession number assigned by EDGAR is 0001140361-26-001151.
What does a DEFA14A disclose?
DEFA14A is additional definitive proxy soliciting material filed in connection with a shareholder meeting — supplemental letters, slides, or amendments issued after the main proxy statement.
What is the key takeaway from this filing?
No material developments in Magnera Corporation's provided excerpt; consult the filing for more details. This is Boardroom Alpha's one-line summary of the additional proxy materials; see the full filing text above for the formal disclosure.
Where can I find Magnera Corp's prior proxy statements on EDGAR?
The SEC EDGAR browser lists every DEFA14A Magnera Corp has filed under CIK 41719, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.
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