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.
Timeline: news and trades
Company filings (8-K), insider trades, notices of planned sales (Form 144) and fund moves in the past year, newest first.
- Sep 21, 2026Insider saleCFO Jason Child sold $3.1 million under a 10b5-1 plan
- Sep 21, 2026Planned saleChild Jason (officer) filed notice to sell about $3.1 million around Sep 21, 2026
- Aug 27, 2026Insider saleCFO Jason Child sold $2.7 million under a 10b5-1 plan
- Jun 30, 2026FundBridgewater Associates cut 99% in Q2 2026 (13F filed Aug 14, 2026)
- Jun 30, 2026FundDuquesne Family Office cut 74% in Q2 2026 (13F filed Aug 14, 2026)
- Jun 30, 2026FundRenaissance Technologies sold out in Q2 2026 (13F filed Aug 13, 2026)
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.
| Filed | Insider | Type | Value |
|---|---|---|---|
| Sep 23 | Jason ChildCFO | ▼ SELL10b5-1 | $3.12M |
| Aug 31 | Jason ChildCFO | ▼ SELL10b5-1 | $2.66M |
Insiders who traded in the past year
| Insider | Role | Buys | Bought | Sells | Sold |
|---|---|---|---|---|---|
| Jason Child | CFO | 0 | $0 | 2 | $5.78M |
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 | Shares | Value | Change |
|---|---|---|---|
| Bridgewater Associates | 4,924 | $1.75M | ▼ −99.2% |
| Duquesne Family Office | 28,090 | $10K | ▼ −73.7% |
| Renaissance Technologies | 0 | $0 | ▼ Sold out |
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 →