Company: RWT-PA
Filing Date: 2025-08-22
Form Type: POSASR
Source: 0001104659-25-081502
Chunk: 1

Company: REDWOOD TRUST INC
Filing Date: 2025-08-22
Form: POSASR
Chunk 1
---
 registration statement for the same offering: ☐ If this Form is a registration statement pursuant to General Instruction I.D. or a post-effective amendment thereto that shall become effective upon filing with the Commission pursuant to Rule 462(e) under the Securities Act, check the following box: ☒ If this Form is a post-effective amendment to a registration statement filed pursuant to General Instruction I.D. to register additional securities or additional classes of securities pursuant to Rule 413(b) under the Securities Act, check the following box: ☒ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act: Large accelerated filer ☒ Accelerated filer ☐ Non-accelerated filer ☐ Smaller reporting company ☐ Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of Securities Act: ☐

### EXPLANATORY NOTE
This Amendment No. 1 (this “Amendment”) to the Registration Statement on Form S-3 (File No 333-285506) (the “Registration Statement”) of Redwood Trust, Inc. (the “Registrant”) is being filed pursuant to General Instructions I.D. and IV.B. of Form S-3 under the Securities Act of 1933, as amended (the “Securities Act”), and Rule 413(b) under the Securities Act to register the offer and sale of an additional class of securities of the Registrant consisting of the Registrant’s 7.75% convertible senior notes due 2027. The prospectus forming part of, and Part II of, the Registration Statement, as filed with the Securities and Exchange Commission (the “Commission”) on March 3, 2025, are incorporated herein by reference and, except as modified by this Amendment or by any document that is filed with the Commission on or after initial filing date of the Registration Statement and incorporated therein by reference, are unchanged.

<div align='center'>1</div>

PART II INFORMATION NOT REQUIRED IN PROSPECTUS Item 16