# EDGAR Filing Document

**Accession Number:** 0001182451
**File Stem:** 0001193125-26-230372
**Filing Date:** 2026-5
**Character Count:** 13545
**Document Hash:** b942480d4cd587f2c546e378b87c907f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-230372.hdr.sgml**: 20260519

**ACCESSION NUMBER**: 0001193125-26-230372

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D/A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260519

**DATE AS OF CHANGE**: 20260519

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** TREDEGAR CORP
- **CENTRAL INDEX KEY:** 0000850429
- **STANDARD INDUSTRIAL CLASSIFICATION:** ROLLING DRAWING & EXTRUDING OF NONFERROUS METALS [3350]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 541497771
- **STATE OF INCORPORATION:** VA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-40401
- **FILM NUMBER:** 26997403

**BUSINESS ADDRESS:**
- **STREET 1:** 1100 BOULDERS PKWY
- **CITY:** RICHMOND
- **STATE:** VA
- **ZIP:** 23225
- **BUSINESS PHONE:** 8048870578

**MAIL ADDRESS:**
- **STREET 1:** 1100 BOULDERS PARKWAY
- **CITY:** RICHMOND
- **STATE:** VA
- **ZIP:** 23225

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** TREDEGAR INDUSTRIES INC
- **DATE OF NAME CHANGE:** 19920703
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** GOTTWALD JOHN D
- **CENTRAL INDEX KEY:** 0001182451

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A

**MAIL ADDRESS:**
- **STREET 1:** 330 SOUTH 4TH STREET
- **CITY:** RICHMOND
- **STATE:** VA
- **ZIP:** 23219

### Attached PDF Documents

**Attachment 1:** `ck0000000000-ex99_1.pdf`

_No text found in this document._

**Attachment 2:** `ck0000000000-ex99_2.pdf`

_No text found in this document._

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 18)**

**TREDEGAR CORPORATION**

*(Name of Issuer)*

**COMMON STOCK**

*(Title of Class of Securities)*

**—**

*(CUSIP Number)*

**John D. Gottwald**<br>c/o John D. Gottwald<br>330 South Fourth Street<br>Richmond VA 23219<br>804-366-1393

*(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)*

**05/15/2026**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **—** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**John D. Gottwald** | Name of reporting person<br>**John D. Gottwald** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**—** | Source of funds (See Instructions)<br>**—** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**X1** | Citizenship or place of organization<br>**X1** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**1917639.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**4079814.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**1917639.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**4079814.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**5997453.00** | Aggregate amount beneficially owned by each reporting person<br>**5997453.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[x] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[x] | |
| 13 | Percent of class represented by amount in Row (11)<br>**17.1%** | Percent of class represented by amount in Row (11)<br>**17.1%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

| **CUSIP No.** | **—** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**William M. Gottwald** | Name of reporting person<br>**William M. Gottwald** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**—** | Source of funds (See Instructions)<br>**—** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**X1** | Citizenship or place of organization<br>**X1** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**211260.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**4090597.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**211260.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**4090597.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**4301857.00** | Aggregate amount beneficially owned by each reporting person<br>**4301857.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[x] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[x] | |
| 13 | Percent of class represented by amount in Row (11)<br>**12.3%** | Percent of class represented by amount in Row (11)<br>**12.3%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

| **CUSIP No.** | **—** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**James T. Gottwald** | Name of reporting person<br>**James T. Gottwald** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**—** | Source of funds (See Instructions)<br>**—** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**X1** | Citizenship or place of organization<br>**X1** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**40000.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**4180597.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**40000.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**4180597.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**4220597.00** | Aggregate amount beneficially owned by each reporting person<br>**4220597.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[x] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[x] | |
| 13 | Percent of class represented by amount in Row (11)<br>**12.1%** | Percent of class represented by amount in Row (11)<br>**12.1%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

| **CUSIP No.** | **—** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Residual 10-Year CLAT UA FDGJR Living Trust** | Name of reporting person<br>**Residual 10-Year CLAT UA FDGJR Living Trust** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**—** | Source of funds (See Instructions)<br>**—** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**X1** | Citizenship or place of organization<br>**X1** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**1447405.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**1447405.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**1447405.00** | Aggregate amount beneficially owned by each reporting person<br>**1447405.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**4.1%** | Percent of class represented by amount in Row (11)<br>**4.1%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**OO** | Type of Reporting Person (See Instructions)<br>**OO** | |

---

**Comment for Reporting Person:** *      Amendment No. 18 amends and supplements Amendment Nos. 1 through 17 to the statement on Schedule 13D initially filed on August 15, 1989 with respect to shares of common stock (the "Common Stock") of Tredegar Corporation (the "Issuer").

1     In computing the percentage ownership, each of the Reporting Persons assumed that there are 35,016,819 shares of Common Stock outstanding, as reported by Tredegar Corporation in its Quarterly Report on Form 10-Q for the quarter ended March 31, 2026, as filed with the Securities and Exchange Commission on May 8, 2026.

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
COMMON STOCK

**(b) Name of Issuer:**
TREDEGAR CORPORATION

**(c) Address of Issuer's Principal Executive Offices:**
1100 BOULDERS PKWY, RICHMOND, VA, 23225

**Item 5. Interest in Securities of the Issuer**

**(a)**
Amount Beneficially Owned: John D. Gottwald-5,997,453shares, 17.1%; William M. Gottwald-4,301,857 shares, 12.3%; James T. Gottwald-4,220,597 shares, 12.1 %; Residual 10-Year CLAT UA FDGJR Living Trust("CLAT'')-1,447,405 shares, 4.1 %, all reporting persons-6,349,496 shares, 18.1 %

**(b)**
(i)    Sole power to vote or direct the vote: John D. Gottwald-1,917,639 shares, 5.5%; William M. Gottwald-211,260 shares, 0.6%; James T. Gottwald-40,000 shares, 0.1 %; all reporting persons-2,168,899 shares, 6.2%
(ii)   Shared power to vote or to direct the vote-John D. Gottwald-4,079,814 shares, 11.7%; William M. Gottwald 4,090,597 shares, 11.7%; James T. Gottwald-4,180,597 shares, 11.9%; CLAT 1,447,405 shares, 4.1%; all reporting persons-4,180,597 shares, 11.9%
(iii)  Sole power to dispose of or to direct the disposition of-John D. Gottwald-1,917,639 shares, 5.5%; William M. Gottwald-211,260 shares, 0.6%; James T. Gottwald-40,000 shares, 0.1 %; all reporting persons-2,168,899 shares, 6.2%
(iv)  Shared power to dispose of or to direct the disposition of -John D. Gottwald-4,079,814 shares, 11.7%; William M. Gottwald-4,090,597 shares, 11.7%; James T. Gottwald-4,180,597 shares, 11.9%; CLAT -1,447,405 shares, 4.1%; all reporting persons-4,180,597 shares, 11.9%

**(c)**
Transactions in shares in the past sixty days: Exhibit 99.2 sets forth the shares sold by CLAT on the New York Stock Exchange in the past sixty days.

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** John D. Gottwald

**Signature:** /s/ William M. Gottwald

**Name/Title:** Attorney-in-Fact for John D. Gottwald

**Date:** 05/19/2026

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** William M. Gottwald

**Signature:** /s/ William M. Gottwald

**Name/Title:** William M. Gottwald

**Date:** 05/19/2026

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** James T. Gottwald

**Signature:** /s/ William M. Gottwald

**Name/Title:** Attorney-in-Fact for James T. Gottwald

**Date:** 05/19/2026

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** Residual 10-Year CLAT UA FDGJR Living Trust

**Signature:** /s/ William M. Gottwald

**Name/Title:** as trustee

**Date:** 05/19/2026