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SCHEDULE 13D/A 0001182451 XXXXXXXX LIVE 16 COMMON STOCK 01/14/2026 false 0000850429 894650100 TREDEGAR CORPORATION 1100 BOULDERS PKWY RICHMOND VA 23225 John D. Gottwald 804-366-1393 330 South Fourth Street Richmond VA 23219 William M. Gottwald 804-366-1393 330 South Fourth Street Richmond VA 23219 James T. Gottwald 804-366-1393 330 South Fourth Street Richmond VA 23219 Residual 10-Year CLAT UA FDGJR 804-366-1393 c/o John D. Gottwald 330 South Fourth Street Richmond VA 23219 Janet T. Geldzahler 202-956-7515 Sullivan & Cromwell LLP 1700 New York Avenue, N.W., Suite 700 Washington DC 20006-5215 0001182451 N John D. Gottwald a N X1 1917639 4935104 1917639 4935104 6852743 Y 19.6 IN 1 In computing the percentage ownership, each of the Reporting Persons assumed that there are 34,910,693 shares of Common Stock outstanding, as reported by Tredegar Corporation in its Quarterly Report on Form 10-Q for the quarter ended September 30, 2025, as filed with the Securities and Exchange Commission on November 7, 2025. Y William M. Gottwald a N X1 211260 4845104 211260 4845104 5056364 Y 14.5 IN 1 In computing the percentage ownership, each of the Reporting Persons assumed that there are 34,910,693 shares of Common Stock outstanding, as reported by Tredegar Corporation in its Quarterly Report on Form 10-Q for the quarter ended September 30, 2025, as filed with the Securities and Exchange Commission on November 7, 2025. Y James T. Gottwald a N X1 40000 4935104 40000 4935104 4975104 Y 14.3 IN 1 In computing the percentage ownership, each of the Reporting Persons assumed that there are 34,910,693 shares of Common Stock outstanding, as reported by Tredegar Corporation in its Quarterly Report on Form 10-Q for the quarter ended September 30, 2025, as filed with the Securities and Exchange Commission on November 7, 2025. Y Residual 10-Year CLAT UA FDGJR Living Trust a N X1 0 2201912 0 2201912 2201912 N 6.3 OO 1 In computing the percentage ownership, each of the Reporting Persons assumed that there are 34,910,693 shares of Common Stock outstanding, as reported by Tredegar Corporation in its Quarterly Report on Form 10-Q for the quarter ended September 30, 2025, as filed with the Securities and Exchange Commission on November 7, 2025. COMMON STOCK TREDEGAR CORPORATION 1100 BOULDERS PKWY RICHMOND VA 23225 * Amendment No. 16 amends and supplements Amendment Nos. 1 through 15 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"). Item 4 is further amended by adding the following: On January 14, 2026, John Gottwald sent the letter attached as Exhibit 99.2 hereto to the directors of the Issuer. Amount Beneficially Owned: John D. Gottwald-6,852,743 shares, 19.6%; William M. Gottwald-5,056,364 shares, 14.5%; James T. Gottwald-4,975,104 shares, 14.3%; Residual 10-Year CLAT UA FDGJR Living Trust("CLAT")-2,201,912 shares, 6.3%, all reporting persons-7,104,003 shares, 20.3% Number of shares as to which such persons have: (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-4,935,104 shares, 14.1%; William M. Gottwald-4,845,104 shares, 13.9%; James T. Gottwald-4,935,104 shares, 14.1%; CLAT 2,201,912 shares, 6.3%; all reporting persons-4,935,104 shares, 14.1% (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-4,935,104 shares, 14.1%; William M. Gottwald-4,845,104 shares, 13.9%; James T. Gottwald-4,935,104 shares, 14.1%; CLAT -2,201,912 shares, 6.3%; all reporting persons-4,935,104 shares, 14.1% Transactions in shares in the past sixty days: CLAT sold the following shares on the following days on the New York Stock Exchange. November 17, 2025 410 shares at $8.555, 620 shares at $8.565, 600 shares at 8.545, 100 shares at 8.635, 178 shares at 8.63, 774 shares at 8.61, 3,306 shares at 8.60, 500 shares at 8.59, 200 shares at 8.575, 1,471 shares at 8.55, 2,455 shares at 8.54, 200 shares at 8.535, 2,236 shares at 8.525, 921 shares at 8.56, 2,865 shares at 8.52, 200 shares at 8.515, 1,321 shares at 8.51, 850 shares at 8.505, 5,113 shares at 8.5, 420 shares at 8.58, 2,627 shares at 8.53 and 5,466 shares at 8.57 November 18, 2025 100 shares at 8.50 No other persons have the right to receive or the power to direct the receipt of dividends, or the proceeds from the sale of the shares described in Item 5. Exhibit 99.1. Agreement between John D. Gottwald, William M. Gottwald, James T. Gottwald and the Residual 10-Year CLAT UA FDGJR Living Trust with respect to the filing of this Amendment No. 16 to the statement to Schedule 13D. Exhibit 99.2 Open Letter from John D. Gottwald to the Board of Directors of Tredegar Corporation, dated January 14, 2026. John D. Gottwald /s/ William M. Gottwald William M. Gottwald Attorney-in-Fact for John D. Gottwald 01/14/2026 William M. Gottwald /s/ William M. Gottwald William M. Gottwald 01/14/2026 James T. Gottwald /s/ William M. Gottwald William M. Gottwald Attorney-in-Fact for James T. Gottwald 01/14/2026 Residual 10-Year CLAT UA FDGJR Living Trust /s/ William M. Gottwald As trustee 01/14/2026