RUBI offering history
Every offering-related filing in Rubico Inc.’s recent SEC record — registrations (announced capacity) kept separate from pricing documents (executed sales). Reviewed 178 filings back to Sep 9, 2022.
| Date | Filing | What it means | |
|---|---|---|---|
| Jul 24, 2026 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
| Jul 16, 2026 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
| Jul 16, 2026 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
| Jul 15, 2026 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
| Jul 15, 2026 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
| Jul 15, 2026 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
| Jul 15, 2026 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
| Jul 14, 2026 | EFFECT → | EFFECTIVE | SEC declared a registration effective — selling can begin |
| Jul 10, 2026 | F-3/A → | REGISTERED | F-3/A registration — capacity to sell shares, not a sale yet |
| Jul 10, 2026 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
| Jul 10, 2026 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
| Jul 1, 2026 | F-3 → | REGISTERED | F-3 registration — capacity to sell shares, not a sale yet |
| Jun 24, 2026 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
| Jun 24, 2026 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
| May 26, 2026 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
| May 26, 2026 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
| May 21, 2026 | 424B4 → | EXECUTED | Final prospectus — offering priced (typical for IPOs and marketed share deals) |
| May 20, 2026 | EFFECT → | EFFECTIVE | SEC declared a registration effective — selling can begin |
| May 19, 2026 | FWP → | MARKETING | Free-writing prospectus — offering being marketed |
| May 8, 2026 | F-1 → | REGISTERED | F-1 registration — capacity to sell shares, not a sale yet |
| May 1, 2026 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
| May 1, 2026 | EFFECT → | EFFECTIVE | SEC declared a registration effective — selling can begin |
| Apr 21, 2026 | F-1 → | REGISTERED | F-1 registration — capacity to sell shares, not a sale yet |
| Apr 21, 2026 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
| Apr 7, 2026 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
| Apr 6, 2026 | EFFECT → | EFFECTIVE | SEC declared a registration effective — selling can begin |
| Mar 2, 2026 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
| Mar 2, 2026 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
| Mar 2, 2026 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
| Mar 2, 2026 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
| Feb 23, 2026 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
| Feb 23, 2026 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
| Feb 23, 2026 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
| Feb 23, 2026 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
| Feb 10, 2026 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
| Feb 10, 2026 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
| Feb 10, 2026 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
| Feb 10, 2026 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
| Jan 16, 2026 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
| Jan 16, 2026 | 424B3 → | UPDATE | Prospectus update — often a resale registration, not necessarily new capital |
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.
RUBI offering FAQ
When did RUBI last execute an offering?
Per SEC filings, Rubico Inc.'s most recent priced offering document is a 424B4 filed 2026-05-21. Note a 424B takedown can price shares or notes (debt) — the linked document says which.
When did RUBI last announce or register an offering?
The most recent registration is a F-3/A filed 2026-07-10. 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.