Rubico Inc. (RUBI)
Nasdaq: RUBI · Water Transportation · Athens · filing with the SEC since 2022
Who owns Rubico Inc.
As filed with the SECHolders of 5% or more
0
No Schedule 13D or 13G naming this company is on file.
Directors and officers
5
report now, of 5 people on the record since 2026. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 0 named at left.
Holders of 5% or moreshare of the class, as filed
Family Trading Inc.
SCHEDULE 13D/A · filed Nov 17, 2025 · Common Stock, par value $0.01 per share · reported falling below 5%, from 5.91% in Nov 12, 2025
Trillium Trading, LLC
SCHEDULE 13G/A · filed Jun 12, 2026 · Class A Ordinary Shares · reported falling below 5%, from 5.4% in Jun 11, 2026
L1 Capital Global Opportunities Master Fund, Ltd.
SCHEDULE 13G/A · filed Feb 17, 2026 · Common Stock, par value $0.01 per share · reported falling below 5%, from 9.99% in Nov 13, 2025
Arena Investors, LP
SCHEDULE 13G/A · filed Feb 13, 2026 · Common Stock, $0.01 par value per share · reported falling below 5%, from 8.1% in Nov 14, 2025
What RUBI reports owning in othersstakes of 5% or more, and other ties
3 subsidiaries in 1 country, from the list filed with the 20-F filed Mar 23, 2026.
Insider tradesForm 4
0sales
0purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
No open-market trade is on the record for these years.
Dollars as filed, summed by the transaction date.
People who traded in the window1 of 6 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Hrt Financial LP | 10% owner | 1 | $500,000 | 0 | 1 | $400,000 |