Abbey William Insider Trading Activity
Abbey William has been net-selling over the last 12 months with 0 purchases and 7 sales across 1 company.
ARM is the most-traded position with 7 trades. The largest single transaction was a sale of ARM for $2.4M on May 19, 2026.
Performance Scorecard
Forward stock performance after each transaction by Abbey William. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | -61.5% | 0% | 7 |
| 90 days | — | -35.0% | 0% | 2 |
| 120 days | — | — | — | — |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersARM · ARM HOLDINGS PLC /UK
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
May 22, 2026 | ARM | Sell | 2,300 | $305.82 | $703K | −6.8% | Chief Commercial Officer | |
May 21, 2026 | ARM | Sell | 4,655 | $287.03 | $1.3M | −12.2% | Chief Commercial Officer | |
May 20, 2026 | ARM | Sell | 5,069 | $257.18 | $1.3M | −11.7% | Chief Commercial Officer | |
May 19, 2026 | ARM | Sell | 10,887 | $224.14 | $2.4M | −20.1% | Chief Commercial Officer | |
May 15, 2026 | ARM | Sell | 7,000 | $212.55 | $1.5M | −10.9% | Chief Commercial Officer | |
Apr 24, 2026 ⚠ Filed 17d late | ARM | Sell | 1,577 | $221.99 | $350K | −2.7% | Chief Commercial Officer | |
Apr 23, 2026 ⚠ Filed 18d late | ARM | Sell | 1,577 | $199.00 | $314K | −2.8% | Chief Commercial Officer |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| ARM | ARM HOLDINGS PLC /UK | 7 | $7.9M |
Other insiders at ARM HOLDINGS PLC /UK
4 other tracked filers at ARM.