MarketPeel
Insider Trading Intelligence
Pricing
…
Chief Architect
Richard Roy Grisenthwaite
Fri, May 15, 2026
May 15
sold
$0.00
of
ARM
1,631
shares @ $0.00
Decreased holdings by
-1.30%
6th largest trade (out of 15)
Cluster Buy
Trade made by an officer
Part of a cluster of 33 transactions by 9 insiders
Price 45% above 200-day moving average
ARM
ARM HOLDINGS PLC /UK
Technology
Semiconductors
1D
-5.96%
1W
-6.41%
1M
-26.17%
3M
+76.46%
6M
—
1Y
—
Recent insider activity at ARM
Jun 2
Laura Kathleen Bartels
Sold
$4.44m
Jun 1
William Abbey
Sold
$1.01m
Jun 1
William Abbey
Sold
$1.63m
May 28
William Abbey
Sold
$1.44m
May 22
William Abbey
Sold
$703.39k
May 21
Charlotte Claire Eaton
Sold
$1.13m
May 21
Charlotte Claire Eaton
Sold
$808.12k
May 21
William Abbey
Sold
$1.34m
Full ARM profile →
Richard Roy Grisenthwaite’s trading history →
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