Magnera CORP (MAGN) — SEC Filings

Overview

Magnera CORP (MAGN) is a publicly traded company tracked on ReadTheFiling. The most recent enriched filing is a 10-K filed on Nov 25, 2025: Magnera Corp (MAGN) reported a significant corporate restructuring on November 4, 2024, with Treasure Holdco, Inc. merging with Glatfelter Corporation, which subsequently changed its name to Magnera. Pre-Transaction Treasure shareholders now own 90% of the combined company, while former Glatfelter s

Sentiment Summary

Across 40 filings, the sentiment breakdown is: 1 bullish, 37 neutral, 2 mixed. The dominant filing sentiment for Magnera CORP is neutral.

Filing Type Overview

Magnera CORP (MAGN) has filed 15 8-K, 2 10-K, 6 10-Q, 4 8-K/A, 5 SC 13G/A, 1 SC 13D, 3 SC 13G, 3 SC 13D/A, 1 DEF 14A with the SEC between Jan 2024 to Nov 2025.

Filings by Year

2025 · 2024

Recent Filings (40)

• 8-K Filing — 8-K · Nov 28, 2025
• Magnera Emerges from Glatfelter Merger, Eyes Global Specialty Materials Dominance — 10-K · Nov 25, 2025 Risk: medium
  Magnera Corp (MAGN) reported a significant corporate restructuring on November 4, 2024, with Treasure Holdco, Inc. merging with Glatfelter Corporation, which su
• 8-K Filing — 8-K · Nov 19, 2025
• Magnera Corp. Announces Board and Officer Changes — 8-K · Oct 2, 2025 Risk: medium
  Magnera Corp. announced on September 27, 2025, changes in its board and officer appointments. The filing details the departure of certain directors and officers
• Magnera Corp Announces Director Changes and Officer Appointments — 8-K · Aug 11, 2025 Risk: medium
  Magnera Corp announced on August 5, 2025, the departure of director Robert J. W. van der Poel and the election of new directors, including David L. Schippers an
• Magnera Corp Files 10-Q, Confirms Accelerated Filer Status — 10-Q · Aug 6, 2025 Risk: low
  Magnera Corp (MAGN) filed its 10-Q for the quarter ended June 28, 2025, indicating it is an accelerated filer. The company, formerly Glatfelter Corp, operates i
• Magnera Corp. Files 10-Q for Period Ending March 29, 2025 — 10-Q · May 7, 2025 Risk: low
  Magnera Corp. filed its 10-Q for the period ending March 29, 2025. The company, formerly known as Glatfelter Corp, is incorporated in Pennsylvania and operates
• Magnera Corp. Files 10-Q for Q4 2024 — 10-Q · Feb 6, 2025 Risk: low
  Magnera Corp. filed its 10-Q for the period ending December 28, 2024. The company, formerly Glatfelter Corp., is based in Charlotte, NC, and operates in the pap
• Magnera Corp Files 8-K/A Amendment — 8-K/A · Jan 31, 2025 Risk: low
  Magnera Corp. filed an amendment (8-K/A) on January 31, 2025, to its report originally dated November 4, 2024. This amendment pertains to "Other Events" and "Fi
• Magnera Corp: Director Changes and Officer Compensation — 8-K · Dec 20, 2024 Risk: low
  Magnera Corp announced on December 16, 2024, the departure of director David L. Schippers and the election of new director David M. Schippers. The company also
• SC 13G/A Filing — SC 13G/A · Dec 6, 2024
• Engine Capital Files 13D on Magnera Corp — SC 13D · Nov 21, 2024 Risk: medium
  Engine Capital, L.P. has filed a Schedule 13D regarding its holdings in Magnera Corp. The filing, dated November 21, 2024, indicates a significant stake in the
• Magnera Corp Files 8-K/A Amendment on Officer/Director Changes — 8-K/A · Nov 20, 2024 Risk: medium
  Magnera Corp filed an amendment (8-K/A) on November 20, 2024, reporting changes effective November 4, 2024. The filing pertains to the departure of directors or
• SC 13G Filing — SC 13G · Nov 14, 2024
• SC 13G/A Filing — SC 13G/A · Nov 12, 2024
• Carlson Capital Amends Magnera Stake Filing — SC 13D/A · Nov 6, 2024 Risk: medium
  On November 6, 2024, Carlson Capital, L.P. filed an amendment (No. 6) to its Schedule 13D regarding Magnera Corporation. The filing indicates a change in benefi
• Magnera Corp. Reports Material Definitive Agreements & Control Changes — 8-K · Nov 5, 2024 Risk: medium
  Magnera Corp. (formerly Glatfelter Corp.) filed an 8-K on November 5, 2024, reporting several material events as of November 4, 2024. These include the entry in
• SC 13G/A Filing — SC 13G/A · Nov 4, 2024
• Glatfelter Corp Files Q3 2024 10-Q Report — 10-Q · Oct 30, 2024 Risk: medium
  Glatfelter Corp filed its Q3 2024 10-Q report on October 30, 2024, covering the period ending September 30, 2024. The report details the company's financial per
• Glatfelter Corp Files 8-K on Shareholder Votes and Financials — 8-K · Oct 23, 2024 Risk: low
  Glatfelter Corporation filed an 8-K on October 23, 2024, reporting on the submission of matters to a vote of security holders, other events, and financial state
• Glatfelter Finalizes Specialty Papers Sale Agreement — 8-K · Oct 22, 2024 Risk: medium
  On October 21, 2024, Glatfelter Corporation entered into a Material Definitive Agreement related to its previously announced sale of its Specialty Papers busine
• Glatfelter Sells Special Papers Business to One Rock Capital — 8-K · Oct 11, 2024 Risk: medium
  Glatfelter Corporation announced on October 11, 2024, that it has entered into a definitive agreement to sell its Special Papers business to an affiliate of One
• Carlson Capital Amends Glatfelter Stake Filing — SC 13D/A · Sep 30, 2024 Risk: medium
  Carlson Capital, L.P. has amended its Schedule 13D filing regarding Glatfelter Corporation, indicating a change in their beneficial ownership as of September 30
• Glatfelter Elects New Directors, Reports Officer Compensation — 8-K · Aug 16, 2024 Risk: low
  Glatfelter Corporation announced on August 16, 2024, a change in its board of directors, with the election of two new directors, Christopher J. Lenton and Kevin
• Glatfelter Corp Files 10-Q for Q2 2024 — 10-Q · Aug 8, 2024 Risk: medium
  Glatfelter Corp filed its 10-Q for the period ending June 30, 2024. The filing details the company's financial performance and position. Key financial data and
• SC 13G/A Filing — SC 13G/A · Jul 8, 2024
• Carlson Capital Amends Glatfelter Stake Filing — SC 13D/A · Jul 2, 2024 Risk: medium
  Carlson Capital L.P. has amended its Schedule 13D filing regarding Glatfelter Corporation, indicating a change in their beneficial ownership as of July 2, 2024.
• Glatfelter Announces CFO Departure and New Appointments — 8-K · May 30, 2024 Risk: medium
  Glatfelter Corporation announced on May 23, 2024, changes in its executive team and board. Effective May 23, 2024, Christopher J. Lonas resigned as Executive Vi
• Glatfelter Corp Files 8-K/A Amendment — 8-K/A · May 14, 2024 Risk: low
  Glatfelter Corporation filed an 8-K/A on May 14, 2024, to amend a previous filing regarding the submission of matters to a vote of security holders. The earlies
• Glatfelter Corp Files 10-Q for Period Ending March 31, 2024 — 10-Q · May 9, 2024 Risk:
  Glatfelter Corp (MAGN) filed a Quarterly Report (10-Q) with the SEC on May 9, 2024. Glatfelter Corp filed a 10-Q report for the period ending March 31, 2024. Th
• Glatfelter Appoints New CFO, Christopher Lazzaro — 8-K · Apr 11, 2024 Risk: medium
  Glatfelter Corporation announced on April 8, 2024, the appointment of Christopher J. Lazzaro as its new Chief Financial Officer, effective April 15, 2024. Lazza
• Glatfelter Corp Files Definitive Proxy Statement — DEF 14A · Mar 26, 2024 Risk: low
  Glatfelter Corp (MAGN) filed a Proxy Statement (DEF 14A) with the SEC on March 26, 2024. Glatfelter Corp filed a Definitive Proxy Statement (DEF 14A) on March 2
• SC 13G Filing — SC 13G · Mar 22, 2024
• Glatfelter CFO Departs, New Directors Appointed — 8-K · Mar 5, 2024 Risk: medium
  Glatfelter Corporation announced on February 28, 2024, the departure of its Chief Financial Officer, Thomas F. D'Alba, effective March 1, 2024. The company has
• Glatfelter Corp Files 2023 Annual Report on Form 10-K — 10-K · Feb 28, 2024 Risk: medium
  Glatfelter Corp (MAGN) filed a Annual Report (10-K) with the SEC on February 28, 2024. Glatfelter Corp filed its 2023 Form 10-K on February 28, 2024. The filing
• Glatfelter Files 8-K on Operations and Financial Condition — 8-K · Feb 22, 2024 Risk: low
  Glatfelter Corporation filed an 8-K on February 22, 2024, reporting on its results of operations and financial condition. The filing, under SEC File Number 001-
• Vanguard Discloses 10.9% Passive Stake in Glatfelter Corp — SC 13G · Feb 13, 2024 Risk: low
  The Vanguard Group, a major investment firm, reported on February 13, 2024, that it beneficially owns 4,008,576 shares of Glatfelter Corp (GLT) Common Stock as
• Glatfelter Amends 8-K on Material Agreements, Officer Changes — 8-K/A · Feb 12, 2024 Risk: medium
  Glatfelter Corporation filed an 8-K/A on February 12, 2024, amending a previous report from February 6, 2024. This amendment specifically relates to "Entry into
• Glatfelter Enters Material Definitive Agreement, Signals Major Transaction — 8-K · Feb 7, 2024
  Glatfelter Corporation filed an 8-K on February 7, 2024, reporting an "Entry into a Material Definitive Agreement" and "Regulation FD Disclosure" on February 6,
• BlackRock Amends Glatfelter Stake, Updates Passive Investment — SC 13G/A · Jan 26, 2024
  BlackRock Inc. filed an amended SC 13G/A on January 26, 2024, indicating a change in their ownership of Glatfelter Corp's common stock as of December 31, 2023.

Risk Profile

Risk Assessment: Of MAGN's 29 recent filings, 0 were flagged as high-risk, 18 as medium-risk, and 11 as low-risk. The overall risk profile suggests moderate risk with a balanced mix of positive and cautionary disclosures.

Key Executives

• 8,500
• Robert J. W. van der Poel
• David L. Schippers
• David M. Schippers
• CLINT D. CARLSON
• Clint D. Carlson
• Christopher J. Lenton
• Kevin M. McEvoy
• Rahim
• Christopher J. Lonas
• Timothy R. Hess
• David L. Dacquino
• David L. Miller
• Christopher J. Lazzaro
• Thomas F. D'Alba

Industry Context

Magnera operates as a global supplier of specialty materials, primarily serving consumer-oriented end markets such as wipes, healthcare, and filtration. The industry is characterized by intense competition from established players like Ahlstrom and Mativ. Key trends include a focus on sustainability and innovation in material science to meet evolving consumer demands and regulatory requirements.

Top Tags

10-Q (6) · financials (4) · amendment (4) · corporate-governance (4) · officer-appointment (3) · material-agreement (3) · board-changes (3) · Glatfelter Corp (3) · management-change (2) · board-of-directors (2)

Key Numbers

• Market Value of Non-Affiliate Common Stock: $650.8 million — As of March 28, 2025, indicating significant public float post-merger.
• Shares of Common Stock Outstanding: 35.6 million — As of November 25, 2025, reflecting the new capital structure.
• Ownership by Former Treasure Shareholders: 90% — Represents the dominant ownership stake in the newly formed Magnera Corporation.
• Ownership by Former Glatfelter Shareholders: 10% — Represents the retained stake for previous Glatfelter investors.
• Americas Segment Net Sales Contribution: 57% — Largest segment, highlighting its importance to consolidated revenue.
• Rest of World Segment Net Sales Contribution: 43% — Significant international presence and revenue driver.
• Americas Manufacturing Facilities: 22 — Geographic spread across the United States, Brazil, Mexico, Canada, and Colombia.
• Rest of World Manufacturing Facilities: 23 — Global footprint including Germany, France, UK, China, Spain, Italy, Netherlands, and Philippines.
• Total Employees: 8,500 — Global workforce size, emphasizing human capital management.
• Merger Closing Date: November 4, 2024 — Date of the Transaction between Treasure Holdco, Inc. and Glatfelter Corporation.
• Accession Number: 0000041719-25-000052 — Unique identifier for the filing
• Report Date: 20250927 — Date of the earliest event reported
• Filing Date: 20251002 — Date the report was filed with the SEC
• Conformed Period of Report: 20250628 — The quarterly period ended on this date.
• Filed As Of Date: 20250806 — The date the 10-Q was officially filed.

Forward-Looking Statements

• {"claim":"Vanguard will maintain a significant passive stake in Glatfelter Corp.","entity":"The Vanguard Group","targetDate":"Next 12-24 months","confidence":"high"}
• {"claim":"Glatfelter Corp's stock price may see a minor positive sentiment boost due to institutional confidence.","entity":"Glatfelter Corp","targetDate":"Next 1-3 months","confidence":"medium"}

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