Company · RIG

Transocean Ltd (Switzerland)

Name as listed on its exchange; filed with the SEC as Transocean Ltd.

Nasdaq's symbol directory lists RIG on the New York Stock Exchange as “Transocean Ltd (Switzerland) Common Stock”.

In the 12 months to Nov 8, 2026: insiders bought on 1 occasion ($173K); 1 congressional trade disclosure; 8 company reports (Form 8-K, since May 26, 2026).

All insider filings at the SEC

Insider trades · SEC Form 4

Those inside the hall

Open-market purchases and sales only. Legs one person filed for one day are combined.

Who traded

DEATON CHAD C bought on 1 day latest Jul 2, 2026 bought $173K

Every trade (1)

BUYDEATON CHAD C bought Jul 2, 2026 35,000 shares filing $173K

Congress · STOCK Act

The Althing

Periodic transaction reports. Amounts are the ranges members report; the trade date is when it happened, the report can come up to 45 days later.

Lisa McClain (R-MI09): Purchase Sep 14, 2026 reported Oct 12, 2026 one of 9 trades the member reported that day House Stocks (including ADRs) owner: spouse $15,001 - $50,000

Company reports · SEC Form 8-K

In its own words

Current reports the company filed with the SEC; most items are due within four business days of the event. Each line lists the report's items by the SEC's own titles; the filing says what happened. Reports collected since May 26, 2026; every 8-K at the SEC.

Results of operations and financial condition; Regulation FD disclosure filing Nov 2, 2026
Other events filing Oct 23, 2026
Regulation FD disclosure filing Oct 19, 2026
Entry into a material definitive agreement; Creation of a direct financial obligation; Regulation FD disclosure filing Oct 15, 2026
Other events filing Oct 14, 2026
Regulation FD disclosure filing Oct 9, 2026
Other events filing Sep 30, 2026
Regulation FD disclosure filing Sep 15, 2026

Sources: SEC EDGAR (Forms 4, 144 and 8-K) and STOCK Act periodic transaction reports. Filings can be late, amended or wrong at the source; see methodology.