ECL offering history
Every offering-related filing in ECOLAB INC.’s recent SEC record — registrations (announced capacity) kept separate from pricing documents (executed sales). Reviewed 1,002 filings back to Jun 5, 2020.
| Date | Filing | What it means | |
|---|---|---|---|
| May 20, 2026 | 424B5 → | EXECUTED | Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm) |
| May 19, 2026 | 424B5 → | EXECUTED | Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm) |
| May 19, 2026 | FWP → | MARKETING | Free-writing prospectus — offering being marketed |
| Feb 23, 2026 | S-3ASR → | REGISTERED | Automatic shelf registration — effective immediately (large filers) |
| Aug 19, 2025 | 424B2 → | EXECUTED | Prospectus supplement priced — shares or notes (large filers: often a bond deal) |
| Aug 18, 2025 | 424B5 → | EXECUTED | Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm) |
| Aug 18, 2025 | FWP → | MARKETING | Free-writing prospectus — offering being marketed |
| May 28, 2025 | 424B2 → | EXECUTED | Prospectus supplement priced — shares or notes (large filers: often a bond deal) |
| May 27, 2025 | 424B5 → | EXECUTED | Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm) |
| May 27, 2025 | FWP → | MARKETING | Free-writing prospectus — offering being marketed |
| Nov 3, 2023 | S-3ASR → | REGISTERED | Automatic shelf registration — effective immediately (large filers) |
| Nov 10, 2022 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
| Nov 8, 2022 | 424B5 → | EXECUTED | Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm) |
| Nov 7, 2022 | 424B5 → | EXECUTED | Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm) |
| Nov 7, 2022 | FWP → | MARKETING | Free-writing prospectus — offering being marketed |
| Dec 7, 2021 | 424B5 → | EXECUTED | Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm) |
| Dec 6, 2021 | 424B5 → | EXECUTED | Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm) |
| Dec 6, 2021 | FWP → | MARKETING | Free-writing prospectus — offering being marketed |
| Nov 8, 2021 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
| Nov 8, 2021 | EFFECT → | EFFECTIVE | SEC declared a registration effective — selling can begin |
| Oct 30, 2020 | S-3ASR → | REGISTERED | Automatic shelf registration — effective immediately (large filers) |
| Aug 11, 2020 | 424B5 → | EXECUTED | Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm) |
| Aug 10, 2020 | 424B5 → | EXECUTED | Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm) |
| Aug 10, 2020 | FWP → | MARKETING | Free-writing prospectus — offering being marketed |
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.
ECL offering FAQ
When did ECL last execute an offering?
Per SEC filings, ECOLAB INC.'s most recent priced offering document is a 424B5 filed 2026-05-20. Note a 424B takedown can price shares or notes (debt) — the linked document says which.
When did ECL last announce or register an offering?
The most recent registration is a S-3ASR filed 2026-02-23. 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.
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