StockCIK 1973239

ARM HOLDINGS PLC /UK (ARM): Insider Trades and Fund Holdings

In the past 12 months, ARM HOLDINGS PLC /UK insiders reported 0 open-market purchases worth $0 and 2 sales worth $5.78M; 2 of the sales were reported as made under a 10b5-1 trading plan.

0Insider buys, 12 months

$0Bought by insiders, 12 months

$5.78MSold by insiders, 12 months

2Tracked funds holding

Recent insider trades

Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Sep 23, 2026.

Recent ARM insider trades
Filed	Traded	Insider	Role	Type	Shares	Price ($)	Value	Holding	Filing
Sep 23	Sep 21	Jason ChildCFO	CFO	▼ SELL10b5-1	10,400	300.00	$3.12M	−6.3%	Form 4 ↗
Aug 31	Aug 27	Jason ChildCFO	CFO	▼ SELL10b5-1	10,400	255.33	$2.66M	−6.0%	Form 4 ↗

Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings

Insiders who traded in the past year

Insider	Role	Buys	Bought	Sells	Sold	Latest
Jason Child	CFO	0	$0	2	$5.78M	Sep 23, 2026

Tracked funds that report ARM

From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.

Fund	Quarter	Shares	Value	% of portfolio	Change
Bridgewater Associates	Q2 2026	4,924	$1.75M	0.01%	▼ −99.2%
Duquesne Family Office	Q2 2026	28,090	$10K	0.23%	▼ −73.7%
Renaissance Technologies	Q2 2026	0	$0	0.00%	▼ Sold out

Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings

Reading these numbers

Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →