Offerings // ARCH CAPITAL GROUP LTD.

ACGL offering history

Every offering-related filing in ARCH CAPITAL GROUP LTD.’s recent SEC record — registrations (announced capacity) kept separate from pricing documents (executed sales). Reviewed 1,000 filings back to May 13, 2014.

Last executed offering

Jun 4, 2026

424B2 — priced deal (shares or notes)

Last registration (announced)

Nov 15, 2023

S-3ASR — capacity, not a sale

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
Jun 4, 2026	424B2 →	EXECUTED	Prospectus supplement priced — shares or notes (large filers: often a bond deal)
Jun 3, 2026	FWP →	MARKETING	Free-writing prospectus — offering being marketed
Jun 2, 2026	424B2 →	EXECUTED	Prospectus supplement priced — shares or notes (large filers: often a bond deal)
Jun 2, 2026	FWP →	MARKETING	Free-writing prospectus — offering being marketed
Nov 15, 2023	S-3ASR →	REGISTERED	Automatic shelf registration — effective immediately (large filers)
Jun 4, 2021	424B2 →	EXECUTED	Prospectus supplement priced — shares or notes (large filers: often a bond deal)
Jun 2, 2021	424B2 →	EXECUTED	Prospectus supplement priced — shares or notes (large filers: often a bond deal)
Jun 2, 2021	FWP →	MARKETING	Free-writing prospectus — offering being marketed
Nov 23, 2020	S-3ASR →	REGISTERED	Automatic shelf registration — effective immediately (large filers)
Jun 25, 2020	424B2 →	EXECUTED	Prospectus supplement priced — shares or notes (large filers: often a bond deal)
Jun 23, 2020	FWP →	MARKETING	Free-writing prospectus — offering being marketed
Jun 22, 2020	424B2 →	EXECUTED	Prospectus supplement priced — shares or notes (large filers: often a bond deal)
Mar 12, 2018	424B4 →	EXECUTED	Final prospectus — offering priced (typical for IPOs and marketed share deals)
Mar 8, 2018	424B7 →	UPDATE	Resale prospectus — existing holders registering to sell
Nov 30, 2017	424B2 →	EXECUTED	Prospectus supplement priced — shares or notes (large filers: often a bond deal)
Nov 29, 2017	424B2 →	EXECUTED	Prospectus supplement priced — shares or notes (large filers: often a bond deal)
Nov 29, 2017	FWP →	MARKETING	Free-writing prospectus — offering being marketed
Nov 3, 2017	S-3ASR →	REGISTERED	Automatic shelf registration — effective immediately (large filers)
Aug 16, 2017	424B2 →	EXECUTED	Prospectus supplement priced — shares or notes (large filers: often a bond deal)
Aug 14, 2017	424B2 →	EXECUTED	Prospectus supplement priced — shares or notes (large filers: often a bond deal)
Aug 14, 2017	FWP →	MARKETING	Free-writing prospectus — offering being marketed
Jun 12, 2017	424B4 →	EXECUTED	Final prospectus — offering priced (typical for IPOs and marketed share deals)
Jun 8, 2017	424B7 →	UPDATE	Resale prospectus — existing holders registering to sell
Dec 1, 2016	424B2 →	EXECUTED	Prospectus supplement priced — shares or notes (large filers: often a bond deal)
Nov 30, 2016	FWP →	MARKETING	Free-writing prospectus — offering being marketed
Nov 29, 2016	424B2 →	EXECUTED	Prospectus supplement priced — shares or notes (large filers: often a bond deal)
Sep 23, 2016	424B2 →	EXECUTED	Prospectus supplement priced — shares or notes (large filers: often a bond deal)
Sep 22, 2016	424B2 →	EXECUTED	Prospectus supplement priced — shares or notes (large filers: often a bond deal)
Sep 22, 2016	FWP →	MARKETING	Free-writing prospectus — offering being marketed
Mar 2, 2015	S-3ASR →	REGISTERED	Automatic shelf registration — effective immediately (large filers)

ACGL 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 ACGL workspace →

ACGL offering FAQ

When did ACGL last execute an offering?

Per SEC filings, ARCH CAPITAL GROUP LTD.'s most recent priced offering document is a 424B2 filed 2026-06-04. Note a 424B takedown can price shares or notes (debt) — the linked document says which.

When did ACGL last announce or register an offering?

The most recent registration is a S-3ASR filed 2023-11-15. A registration is capacity to sell shares — not a sale.

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.