0000826675 2026-07-28 2026-07-28 0000826675 1 2026-07-28 2026-07-28 0000826675 1 2026-07-28 2026-07-28 0000826675 2 2026-07-28 2026-07-28 _2:securities iso4217:USD pure _2:security 0000826675 EX-FILING FEES S-3 424B5 333-289004 true N/A DYNEX CAPITAL, INC. false Equity Common Stock, par value $0.01 per share true 99326438 12.63 1254492912 0.0001381 173245.47 1254492912 173245.47 0 38086.36 135159.11 <span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:112%">(1)</span>The registration fee is calculated in accordance with Rules 457(o) and 457(r) under the Securities Act of 1933, as amended (the “Securities Act”), and represents deferred payment of the registration fees in connection with the Registrant's registration statement on Form S-3 (File No. 333-289004) filed on July 28, 2025 (the “Registration Statement”), paid with the filing of this prospectus supplement. The Proposed Maximum Offering Price Per Unit is estimated solely for purposes of calculating the registration fee in accordance with Rule 457(c) under the Securities Act based on the average of the high and low prices of the Registrant’s common stock, $0.01 par value per share (the “Common Stock”), as reported on the New York Stock Exchange on July 23, 2026. true true Dynex Capital, Inc. S-3 333-289004 2025-07-29 38086.36 Equity Common Stock, par value $0.01 per share 19326438 true false Dynex Capital, Inc. S-3 333-289004 2026-01-27 38086.36 The Registrant previously registered an aggregate of 67,354,187 shares of its Common Stock, offered by means of a 424(b)(5) prospectus supplement dated January 27, 2026 (the “Prior Prospectus Supplement”), pursuant to the Registration Statement. In connection with the filing of the Prior Prospectus Supplement, the registration fee was $132,734.02. As of the date of this prospectus supplement, 19,326,438 shares of Common Stock remain unsold under the Prior Prospectus Supplement. Pursuant to Rule 457(p) under the Securities Act, $38,086.36 in filing fees previously paid in connection with the filing of the Prior Prospectus Supplement and associated with such unsold securities is being applied to partially offset the filing fee payable in connection with this prospectus supplement. The offering pursuant to the Prior Prospectus Supplement has terminated. The registration fee is calculated in accordance with Rules 457(o) and 457(r) under the Securities Act of 1933, as amended (the “Securities Act”), and represents deferred payment of the registration fees in connection with the Registrant's registration statement on Form S-3 (File No. 333-289004) filed on July 28, 2025 (the “Registration Statement”), paid with the filing of this prospectus supplement. The Proposed Maximum Offering Price Per Unit is estimated solely for purposes of calculating the registration fee in accordance with Rule 457(c) under the Securities Act based on the average of the high and low prices of the Registrant’s common stock, $0.01 par value per share (the “Common Stock”), as reported on the New York Stock Exchange on July 23, 2026.