Perestroika
SEC Form 4 insider trading activity
Perestroika has filed 2 SEC Form 4 filings (2 transaction rows) across 1 company, with disclosures dating back to 2025. 1 of those filings fall inside the rolling window. Most recent filing: Nov 25, 2025.
On the most recent filing, Perestroika is listed as Director at Transocean Ltd. Inside the rolling window, Perestroika reported 1 open-market purchase totaling $6.0M in RIG and no open-market sales.
Companies traded
Other insiders at RIG
Insider Buying
$6.0M
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Perestroika made?
Perestroika has filed 2 SEC Form 4 filings (2 transaction rows) across 1 company since 2025.
Which companies does Perestroika trade?
Perestroika has filed SEC Form 4 disclosures for 1 company, including RIG.
When was Perestroika's most recent SEC Form 4 filing?
Perestroika's most recent SEC Form 4 filing on Tracefour is dated Nov 25, 2025.
What is Perestroika's total buy and sell value in the current window?
Inside the rolling retention window, Perestroika bought $6.0M and sold $0 based on SEC Form 4 filings.
What was Perestroika's largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 1,500,000 RIG shares on 2025-11-24, worth $6.0M, per SEC Form 4 filings.