Grisenthwaite Richard Roy
Chief Architect
Grisenthwaite Richard Roy has filed 1 SEC Form 4 filing (9 transaction rows) across 1 company, with disclosures dating back to 2026. 1 of those filings fall inside the rolling window. Most recent filing: May 19, 2026.
On the most recent filing, Grisenthwaite Richard Roy is listed as Chief Architect at ARM HOLDINGS PLC /UK. Inside the rolling window, Grisenthwaite Richard Roy reported no open-market purchases and 1 open-market sale totaling $5.1M in ARM.
Companies traded
Other insiders at ARM
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$5.1M
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Grisenthwaite Richard Roy made?
Grisenthwaite Richard Roy has filed 1 SEC Form 4 filing (9 transaction rows) across 1 company since 2026.
Which companies does Grisenthwaite Richard Roy trade?
Grisenthwaite Richard Roy has filed SEC Form 4 disclosures for 1 company, including ARM.
When was Grisenthwaite Richard Roy's most recent SEC Form 4 filing?
Grisenthwaite Richard Roy's most recent SEC Form 4 filing on Tracefour is dated May 19, 2026.
What is Grisenthwaite Richard Roy's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Grisenthwaite Richard Roy is listed as Chief Architect.
What is Grisenthwaite Richard Roy's total buy and sell value in the current window?
Inside the rolling retention window, Grisenthwaite Richard Roy bought $0 and sold $5.1M based on SEC Form 4 filings.
What was Grisenthwaite Richard Roy's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 24,339 ARM shares on 2026-05-18, worth $5.1M, per SEC Form 4 filings.