Offerings // MIDDLESEX WATER CO

MSEX offering history

Every offering-related filing in MIDDLESEX WATER CO’s recent SEC record — registrations (announced capacity) kept separate from pricing documents (executed sales). Reviewed 1,002 filings back to Aug 6, 2008.

Last executed offering

Feb 20, 2026

424B5 — priced deal (shares or notes)

Last registration (announced)

May 12, 2025

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
Feb 20, 2026	424B5 →	EXECUTED	Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm)
Jul 29, 2025	424B5 →	EXECUTED	Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm)
May 12, 2025	S-3ASR →	REGISTERED	Automatic shelf registration — effective immediately (large filers)
May 12, 2025	424B5 →	EXECUTED	Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm)
Jul 25, 2023	424B5 →	EXECUTED	Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm)
Aug 3, 2022	S-3ASR →	REGISTERED	Automatic shelf registration — effective immediately (large filers)
Aug 3, 2022	424B5 →	EXECUTED	Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm)
Nov 20, 2019	424B5 →	EXECUTED	Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm)
Nov 19, 2019	424B5 →	EXECUTED	Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm)
Oct 11, 2019	424B3 →	UPDATE	Prospectus update — often a resale registration, not necessarily new capital
Sep 6, 2019	S-3ASR →	REGISTERED	Automatic shelf registration — effective immediately (large filers)
Sep 6, 2019	424B5 →	EXECUTED	Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm)
Dec 13, 2018	424B3 →	UPDATE	Prospectus update — often a resale registration, not necessarily new capital
Aug 3, 2015	EFFECT →	EFFECTIVE	SEC declared a registration effective — selling can begin
Jul 31, 2015	S-3/A →	REGISTERED	S-3/A registration — capacity to sell shares, not a sale yet
Jul 16, 2015	S-3 →	REGISTERED	S-3 registration — capacity to sell shares, not a sale yet
Jun 6, 2013	424B3 →	UPDATE	Prospectus update — often a resale registration, not necessarily new capital
Jun 9, 2010	424B2 →	EXECUTED	Prospectus supplement priced — shares or notes (large filers: often a bond deal)
Jun 2, 2010	424B5 →	EXECUTED	Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm)
May 19, 2010	EFFECT →	EFFECTIVE	SEC declared a registration effective — selling can begin
May 13, 2010	S-3/A →	REGISTERED	S-3/A registration — capacity to sell shares, not a sale yet
Apr 30, 2010	S-3 →	REGISTERED	S-3 registration — capacity to sell shares, not a sale yet
Aug 28, 2009	424B3 →	UPDATE	Prospectus update — often a resale registration, not necessarily new capital
Aug 28, 2009	FWP →	MARKETING	Free-writing prospectus — offering being marketed
Aug 24, 2009	EFFECT →	EFFECTIVE	SEC declared a registration effective — selling can begin
Aug 19, 2009	S-3/A →	REGISTERED	S-3/A registration — capacity to sell shares, not a sale yet
Aug 11, 2009	424B3 →	UPDATE	Prospectus update — often a resale registration, not necessarily new capital
Jul 23, 2009	S-3 →	REGISTERED	S-3 registration — capacity to sell shares, not a sale yet
Mar 13, 2009	S-3 →	REGISTERED	S-3 registration — capacity to sell shares, not a sale yet

MSEX 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 MSEX workspace →

MSEX offering FAQ

When did MSEX last execute an offering?

Per SEC filings, MIDDLESEX WATER CO's most recent priced offering document is a 424B5 filed 2026-02-20. Note a 424B takedown can price shares or notes (debt) — the linked document says which.

When did MSEX last announce or register an offering?

The most recent registration is a S-3ASR filed 2025-05-12. 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.