Offerings // Nuveen S&P 500 Dynamic Overwrite Fund

SPXX offering history

Every offering-related filing in Nuveen S&P 500 Dynamic Overwrite Fund’s recent SEC record — registrations (announced capacity) kept separate from pricing documents (executed sales). Reviewed 431 filings back to Sep 23, 2005.

Last executed offering

Mar 25, 2025

424B2 — priced deal (shares or notes)

Last registration (announced)

None found

in filings back to Sep 23, 2005

Executed, last 12 months

424B pricings + 8-K 3.02 sales

Registered, last 12 months

S-1/S-3/F-series registrations

Date	Filing		What it means
Oct 2, 2026	424B3 →	UPDATE	Prospectus update — often a resale registration, not necessarily new capital
Dec 29, 2025	424B3 →	UPDATE	Prospectus update — often a resale registration, not necessarily new capital
Dec 23, 2025	EFFECT →	EFFECTIVE	SEC declared a registration effective — selling can begin
May 30, 2025	424B3 →	UPDATE	Prospectus update — often a resale registration, not necessarily new capital
Mar 25, 2025	424B2 →	EXECUTED	Prospectus supplement priced — shares or notes (large filers: often a bond deal)
Mar 25, 2025	EFFECT →	EFFECTIVE	SEC declared a registration effective — selling can begin
Jun 18, 2024	424B3 →	UPDATE	Prospectus update — often a resale registration, not necessarily new capital
May 20, 2024	424B3 →	UPDATE	Prospectus update — often a resale registration, not necessarily new capital
Jan 2, 2024	424B3 →	UPDATE	Prospectus update — often a resale registration, not necessarily new capital
Oct 13, 2023	424B3 →	UPDATE	Prospectus update — often a resale registration, not necessarily new capital
Sep 30, 2022	424B3 →	UPDATE	Prospectus update — often a resale registration, not necessarily new capital
Mar 8, 2022	424B3 →	UPDATE	Prospectus update — often a resale registration, not necessarily new capital
Aug 6, 2021	424B3 →	UPDATE	Prospectus update — often a resale registration, not necessarily new capital
Jul 28, 2021	424B2 →	EXECUTED	Prospectus supplement priced — shares or notes (large filers: often a bond deal)
Jul 28, 2021	EFFECT →	EFFECTIVE	SEC declared a registration effective — selling can begin
Jun 13, 2018	EFFECT →	EFFECTIVE	SEC declared a registration effective — selling can begin

SPXX offering-related filings from SEC EDGAR, newest first (capped at 40). Each links to the original document.

Two honest limits. (1) A 424B takedown can price shares or notes — EDGAR’s metadata doesn’t say which, so open the document: large investment-grade filers use these mostly for bond deals (no dilution), small-caps mostly for shares. (2) At-the-market (ATM) programs sell shares gradually and individual sales are not separately filed — the visible footprint is the enabling shelf and its 424B5; actual ATM share counts surface later in the 10-Q/10-K share count. Educational information from public filings, not investment advice.

Is a shelf active now? →Do they need money? →Red flags →Full SPXX workspace →

SPXX offering FAQ

When did SPXX last execute an offering?

Per SEC filings, Nuveen S&P 500 Dynamic Overwrite Fund's most recent priced offering document is a 424B2 filed 2025-03-25. Note a 424B takedown can price shares or notes (debt) — the linked document says which.

When did SPXX last announce or register an offering?

No offering registration (S-1/S-3/F-1/F-3) appears in the filings reviewed back to 2005-09-23.

Does an offering always mean dilution?

Registered direct offerings and shelf takedowns issue new shares and dilute existing holders. Resale registrations (424B3/B7) let existing holders sell and do not create new shares. Secondary sales by insiders also do not dilute. Each row here is labeled with what it is.

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