Wang Feng-Ming Insider Trading Activity
Wang Feng-Ming has been net-selling over the last 12 months with 0 purchases and 10 sales across 1 company.
AMBA is the most-traded position with 10 trades. The largest single transaction was a sale of AMBA for $2.0M on Mar 2, 2026.
Performance Scorecard
Forward stock performance after each transaction by Wang Feng-Ming. 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 | — | +1.8% | 60% | 10 |
| 90 days | — | -19.4% | 25% | 8 |
| 120 days | — | -6.8% | 67% | 3 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersAMBA · AMBARELLA INC
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | ROLE |
|---|---|---|---|---|---|---|
| Mar 19, 2026 | AMBA | Sell | 8,083 | $54.14 | $438K | CEO |
| Mar 17, 2026 | AMBA | Sell | 18,976 | $52.77 | $1.0M | CEO |
| Mar 2, 2026 | AMBA | Sell | 1,900 | $58.77 | $112K | CEO |
| Mar 2, 2026 | AMBA | Sell | 2,600 | $59.53 | $155K | CEO |
| Mar 2, 2026 | AMBA | Sell | 12,040 | $61.42 | $740K | CEO |
| Mar 2, 2026 | AMBA | Sell | 32,460 | $60.91 | $2.0M | CEO |
| Mar 2, 2026 | AMBA | Sell | 1,000 | $56.83 | $57K | CEO |
| Dec 17, 2025 | AMBA | Sell | 4,950 | $71.82 | $356K | CEO |
| Sep 17, 2025 | AMBA | Sell | 4,928 | $79.43 | $391K | CEO |
| Jun 17, 2025 | AMBA | Sell | 4,677 | $52.26 | $244K | CEO |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| AMBA | AMBARELLA INC | 10 | $5.5M |
Other insiders at AMBARELLA INC
3 other tracked filers at AMBA.