// company-profile
Arm Holdings PLC /uk
ARM// activity-summary
Recent insider activity is bearish. Over the last 30 days, insiders net sold $8.5M across 4 transactions.
// 90-day insight
Over the last 90 days, Arm Holdings PLC /uk insiders bought $0 (30 transactions) and sold $75.8M (19 transactions).
- Most active insider: Abbey William with 16 transactions totaling $14.6M.
- Largest single sale: $30.0M by Haas Rene A. on May 15, 2026.
- 5% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Arm Holdings PLC /uk as of 2026-03-31
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 2, 2026 | Bartels Laura Kathleen | ARM | Sale | 11,306 | $392.70 | $4.44M |
| Jun 1, 2026 | Abbey William | ARM | Sale | 2,644 | $383.73 | $1.01M |
| Jun 1, 2026 | Abbey William | ARM | Sale | 3,922 | $415.52 | $1.63M |
| May 28, 2026 | Abbey William | ARM | Sale | 4,200 | $343.81 | $1.44M |
| May 22, 2026 | Abbey William | ARM | Sale | 2,300 | $305.82 | $703K |
45 more transactions hidden
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