# EDGAR Filing Document

**Accession Number:** 0001495825
**File Stem:** 0001821268-25-000269
**Filing Date:** 2025-12
**Character Count:** 3962
**Document Hash:** 9d3b4598c9a669804450b82f16b64f94
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001821268-25-000269.hdr.sgml**: 20251215

**ACCESSION NUMBER**: 0001821268-25-000269

**CONFORMED SUBMISSION TYPE**: 424B3

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251215

**DATE AS OF CHANGE**: 20251215

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Guggenheim Taxable Municipal Bond & Investment Grade Debt Trust
- **CENTRAL INDEX KEY:** 0001495825

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE

**FILING VALUES:**
- **FORM TYPE:** 424B3
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-267848
- **FILM NUMBER:** 251572398

**BUSINESS ADDRESS:**
- **STREET 1:** 227 WEST MONROE STREET
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60606
- **BUSINESS PHONE:** 312-827-0100

**MAIL ADDRESS:**
- **STREET 1:** 227 WEST MONROE STREET
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60606

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Guggenheim Taxable Municipal Managed Duration Trust
- **DATE OF NAME CHANGE:** 20160729

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Guggenheim Build America Bonds Managed Duration Trust
- **DATE OF NAME CHANGE:** 20100702

**Filed Pursuant to Rule 424(b)(3)**

**Securities Act File No. 333-267848**

**Investment Company Act File No. 811-22437**

**SUPPLEMENT** 

**(To the Prospectus and Prospectus Supplement, each dated April 12, 2023)**

**Supplement Dated December 15, 2025**

**to the currently effective Prospectus and Prospectus Supplement, each as may be further supplemented from time to time, for Guggenheim Taxable Municipal Bond & Investment Grade Debt Trust (the "Trust")**

**This supplement provides updated information beyond that contained in the Prospectus and Prospectus Supplement and should be read in conjunction with the foregoing documents.**

On December 15, 2025, The Bank of New York Mellon ("BNY") replaced MUFG Investor Services (US) LLC ("MUFG") as administrator and fund accounting agent to the Trust.

Pursuant to a Fund Accounting and Administration Agreement with the Trust, as may be amended and/or restated from time to time, BNY performs administrative functions and bookkeeping, accounting and pricing functions for the Trust. For these services, BNY receives a fee, accrued daily and paid monthly, based on average daily net assets of the Trust, subject to a minimum fee per year. The Trust also reimburses BNY for certain out-of-pocket expenses.

In view of the foregoing, references to MUFG as administrator and fund accounting agent to the Trust are hereby replaced with BNY as the context requires.

**Please Retain This Supplement for Future Reference**

SUPP-PRO-GBABx1225

**SUPPLEMENT** 

**(TO THE STATEMENT OF ADDITIONAL INFORMATION DATED APRIL 12, 2023)**

**Supplement Dated December 15, 2025**

**to the currently effective Statement of Additional Information, as may be supplemented from time to time, (the "SAI") for Guggenheim Taxable Municipal Bond & Investment Grade Debt Trust (the "Trust")**

**This supplement provides updated information beyond that contained in the SAI and should be read in conjunction with the SAI.**

On December 15, 2025, The Bank of New York Mellon ("BNY") replaced MUFG Investor Services (US) LLC ("MUFG") as administrator and fund accounting agent to the Trust.

Pursuant to a Fund Accounting and Administration Agreement with the Trust, as may be amended and/or restated from time to time, BNY performs administrative functions and bookkeeping, accounting and pricing functions for the Trust. For these services, BNY receives a fee, accrued daily and paid monthly, based on average daily net assets of the Trust, subject to a minimum fee per year. The Trust also reimburses BNY for certain out-of-pocket expenses.

In view of the foregoing, references to MUFG as administrator and fund accounting agent to the Trust are hereby replaced with BNY as the context requires.

**Please Retain This Supplement for Future Reference**

SUPP-SAI-GBABx1225