Offerings // GLACIER BANCORP, INC.

GBCI offering history

Every offering-related filing in GLACIER BANCORP, INC.’s recent SEC record — registrations (announced capacity) kept separate from pricing documents (executed sales). Reviewed 1,000 filings back to May 31, 2007.

Last executed offering

Mar 17, 2010

424B5 — priced deal (shares or notes)

Last registration (announced)

Oct 30, 2025

S-3 — 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
Dec 19, 2025	RW →	WITHDRAWN	Registration withdrawn
Oct 30, 2025	S-3 →	REGISTERED	S-3 registration — capacity to sell shares, not a sale yet
Oct 30, 2025	S-3ASR →	REGISTERED	Automatic shelf registration — effective immediately (large filers)
Aug 14, 2025	424B3 →	UPDATE	Prospectus update — often a resale registration, not necessarily new capital
Aug 14, 2025	EFFECT →	EFFECTIVE	SEC declared a registration effective — selling can begin
Mar 14, 2025	EFFECT →	EFFECTIVE	SEC declared a registration effective — selling can begin
Sep 29, 2023	EFFECT →	EFFECTIVE	SEC declared a registration effective — selling can begin
Oct 28, 2022	S-3ASR →	REGISTERED	Automatic shelf registration — effective immediately (large filers)
Jul 21, 2021	424B3 →	UPDATE	Prospectus update — often a resale registration, not necessarily new capital
Jul 20, 2021	EFFECT →	EFFECTIVE	SEC declared a registration effective — selling can begin
Oct 16, 2019	EFFECT →	EFFECTIVE	SEC declared a registration effective — selling can begin
Jun 4, 2019	EFFECT →	EFFECTIVE	SEC declared a registration effective — selling can begin
Mar 15, 2019	EFFECT →	EFFECTIVE	SEC declared a registration effective — selling can begin
Dec 6, 2017	EFFECT →	EFFECTIVE	SEC declared a registration effective — selling can begin
Aug 21, 2017	EFFECT →	EFFECTIVE	SEC declared a registration effective — selling can begin
Dec 20, 2016	EFFECT →	EFFECTIVE	SEC declared a registration effective — selling can begin
Jun 17, 2016	424B3 →	UPDATE	Prospectus update — often a resale registration, not necessarily new capital
Jun 10, 2016	EFFECT →	EFFECTIVE	SEC declared a registration effective — selling can begin
Sep 1, 2015	424B3 →	UPDATE	Prospectus update — often a resale registration, not necessarily new capital
Aug 26, 2015	EFFECT →	EFFECTIVE	SEC declared a registration effective — selling can begin
Jun 13, 2014	424B3 →	UPDATE	Prospectus update — often a resale registration, not necessarily new capital
Jun 12, 2014	EFFECT →	EFFECTIVE	SEC declared a registration effective — selling can begin
Jun 11, 2013	424B3 →	UPDATE	Prospectus update — often a resale registration, not necessarily new capital
Jun 4, 2013	EFFECT →	EFFECTIVE	SEC declared a registration effective — selling can begin
Apr 22, 2013	424B3 →	UPDATE	Prospectus update — often a resale registration, not necessarily new capital
Apr 17, 2013	EFFECT →	EFFECTIVE	SEC declared a registration effective — selling can begin
Mar 17, 2010	FWP →	MARKETING	Free-writing prospectus — offering being marketed
Mar 17, 2010	424B5 →	EXECUTED	Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm)
Mar 15, 2010	424B3 →	UPDATE	Prospectus update — often a resale registration, not necessarily new capital
Mar 31, 2009	424B3 →	UPDATE	Prospectus update — often a resale registration, not necessarily new capital
Mar 30, 2009	EFFECT →	EFFECTIVE	SEC declared a registration effective — selling can begin
Nov 14, 2008	FWP →	MARKETING	Free-writing prospectus — offering being marketed
Nov 14, 2008	424B5 →	EXECUTED	Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm)
Nov 3, 2008	S-3ASR →	REGISTERED	Automatic shelf registration — effective immediately (large filers)
Nov 3, 2008	424B5 →	EXECUTED	Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm)
Sep 26, 2008	424B3 →	UPDATE	Prospectus update — often a resale registration, not necessarily new capital
Sep 25, 2008	EFFECT →	EFFECTIVE	SEC declared a registration effective — selling can begin
Sep 4, 2007	EFFECT →	EFFECTIVE	SEC declared a registration effective — selling can begin

GBCI 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 GBCI workspace →

GBCI offering FAQ

When did GBCI last execute an offering?

Per SEC filings, GLACIER BANCORP, INC.'s most recent priced offering document is a 424B5 filed 2010-03-17. Note a 424B takedown can price shares or notes (debt) — the linked document says which.

When did GBCI last announce or register an offering?

The most recent registration is a S-3 filed 2025-10-30. 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.