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Recent trades from the last 365 days, plus historical signal scoring over 365 days · institutional 13F view →
Buy Trades
0
Sell Trades
0
Buy Value
$0
Sell Value
$0
Historical signal stats are shown once this stock has at least 3 open-market buys or 8 total P/S trades over the last 365 days.
Current sample: 0 buys, 0 sells, 0 open-market trades.
No insider trading activity found for ARM in the last 365 days.
Insiders' intent to sell, filed before the trade — a leading indicator to the executed Form 4 sales above. All Form 144 notices →
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | FMR LLC | $1.44B | 0.06% | +65.9% |
| 2 | Capital Research Global Investors | $851.37M | 0.12% | -43.1% |
| 3 | BlackRock, Inc. | $721.90M | 0.01% | +63.8% |
| 4 | Altimeter Capital Management, LP | $582.19M | 5.92% | -4.3% |
| 5 | WELLINGTON MANAGEMENT GROUP LLP | $287.01M | 0.05% | -51.1% |
| 6 | PRICE T ROWE ASSOCIATES INC /MD/ | $255.03M | 0.03% | +45.6% |
| 7 | BAILLIE GIFFORD & CO | $156.49M | 0.14% | -27.9% |
| 8 | STATE STREET CORP | $127.45M | 0.00% | +28.5% |
| 9 | TWO SIGMA ADVISERS, LP | $77.84M | 0.15% | +361.2% |
| 10 | CITADEL ADVISORS LLC | $59.47M | 0.03% | -41.9% |
| Date | Member | Type | Amount |
|---|---|---|---|
| Dec 11, 2025 | Sell | $50,001 - $100,000 | |
| Sep 2, 2025 |
| Sell |
| $1,001 - $15,000 |
| Jul 17, 2025 | Buy | $1,001 - $15,000 |
| Jul 16, 2025 | Buy | $50,001 - $100,000 |