Nuveen NBB revises plan for share issuance proceeds

Pending investment, NBB anticipates placing proceeds in high-quality, short-term investments and may use them to pay shareholder distributions.

Rhea-AI Filing Summary

Nuveen Taxable Municipal Income Fund (NBB) replaced its “Use of Proceeds” disclosure for Common Share issuances: net proceeds will be invested in accordance with the Fund’s investment objectives and policies. The Fund currently anticipates investing substantially all net proceeds in qualifying investments within approximately three months of receipt. Pending investment, proceeds are anticipated to go into high-quality, short-term investments, and the Fund may also use them to pay distributions to shareholders.

Key Figures

Anticipated investment period: approximately three months

1 metrics

Anticipated investment period approximately three months For investing substantially all net proceeds after receipt

Key Terms

net proceeds, investment objectives and policies, high-quality, short-term investments

3 terms

net proceeds financial

"The net proceeds from the issuance of Common Shares"

The amount of money a company actually keeps from a sale or fundraising after paying all direct costs and fees, similar to take-home pay after taxes and deductions. Investors care because net proceeds determine how much cash is available for things that affect value—paying debt, funding projects, buying assets, or returning money to shareholders—so it influences future growth potential and financial health.

investment objectives and policies financial

"in accordance with the Fund’s investment objectives and policies"

high-quality, short-term investments financial

"invested in high-quality, short-term investments"

Offering Details

shelf

Offering

Offering Type shelf

Securities Offered Common Shares

Use of Proceeds Net proceeds will be invested in accordance with the Fund’s investment objectives and policies. Pending investment, proceeds are anticipated to be invested in high-quality, short-term investments. The Fund may also use proceeds to pay distributions to shareholders.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How does NBB expect to use proceeds from Common Share issuances?

Net proceeds are expected to be invested according to the Fund’s investment objectives and policies, with substantially all currently anticipated to be invested within approximately three months after receipt. Pending investment, proceeds are anticipated to go into high-quality, short-term investments; the Fund may also use them to pay distributions to shareholders.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/02/2026 - 02:32 PM Accepted by SEC EDGAR 10/02/2026 - 09:31 AM Learn about SEC filing dates

Filed Pursuant to Rule 424(b)(3)
Registration No. 333-276610

Nuveen Taxable Municipal Income Fund (NYSE: NBB)

(the “Fund”)

Supplement Dated October 2, 2026

to the Fund’s Prospectus Supplement Dated August 13, 2024 (the “Prospectus Supplement”)

The second paragraph in the section of the Prospectus Supplement titled “Use of Proceeds” is hereby deleted and replaced with the following:

The net proceeds from the issuance of Common Shares hereunder will be invested in accordance with the Fund’s investment objectives and policies as set forth in the accompanying prospectus. The Fund currently anticipates that it will be able to invest substantially all of the net proceeds in investments that meet the Fund’s investment objectives and policies within approximately three months of the receipt of such proceeds. Pending investment, it is anticipated that the proceeds will be invested in high-quality, short-term investments. In addition, the Fund may use such proceeds to pay distributions to shareholders.

PLEASE KEEP THIS WITH YOUR

FUND’S PROSPECTUS SUPPLEMENT

FOR FUTURE REFERENCE

EGN-NBBP-1026P