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Insider filing · RIG

Perestroika (Cyprus) Ltd bought $12.2M of Transocean (RIG)

Executed Sep 26 2025, disclosed Oct 1 2025, 4 days later.

Value, as filed
$12.2M
4,000,000 sh × $3.05
Executed
Sep 26 2025
the trade date, as filed
Disclosed
Oct 1 2025
4 days after the trade
Return, 21 sessionsiFrom the disclosed entry session; derived
+23.0%
+23.0% from execution

Over the 21 trading sessions from the disclosed entry session (Sep 30 2025), the stock returned +23.0% (delay-adjusted); from the execution session (Sep 26 2025), +23.0%. Derived: entry at the session's open, exit at the close 20 sessions later.

The filer
PL Perestroika (Cyprus) Ltd Director profile →

Perestroika (Cyprus) Ltd (Director) filed 1 Form 4 report as a reporting entity in the trailing twelve months (1 purchase, 0 sales), most often in Transocean Ltd. (RIG). Across 1 priced purchase filing, the average 21-session return was +3.1% from execution and -0.5% from disclosure (delay-adjusted; derived). The largest single filing was $6.0M of RIG (1,500,000 sh × $4.02, as filed), executed Nov 24 2025.

The name
RIG Transocean Ltd. RIG · Energy · 21 filings in 24 months ticker →

Energy · Transocean Ltd., together with its subsidiaries, provides offshore contract drilling services for oil and gas wells in Switzerland and inte…

More Energy filings→ Insider filings, newest first→ View the original filing at www.sec.gov→
Other filings by Perestroika (Cyprus) Ltd in RIG
RIGPURCHASE Transocean Ltd. $6.0M
1,500,000 sh × $4.02
Exec Nov 24 2025
Filed Nov 25 2025 · 5:32 PM ET