Chen Jeffrey Insider Trading Activity
Chen Jeffrey has been net-selling over the last 12 months with 0 purchases and 19 sales across 1 company.
ASX is the most-traded position with 19 trades. The largest single transaction was a sale of ASX for $5.1M on May 15, 2026.
Performance Scorecard
Forward stock performance after each transaction by Chen Jeffrey. 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 | — | +92.1% | 100% | 19 |
| 90 days | — | +90.8% | 100% | 13 |
| 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 MarkersASX · ASE Technology Holding Co., Ltd.
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
May 21, 2026 | ASX | Sell | 9,000 | $505.00 | $4.5M | −23.7% | Director | |
May 20, 2026 | ASX | Sell | 9,000 | $477.00 | $4.3M | −19.1% | Director | |
May 19, 2026 | ASX | Sell | 9,000 | $483.00 | $4.3M | −16.1% | Director | |
May 18, 2026 | ASX | Sell | 9,000 | $506.00 | $4.6M | −13.8% | Director | |
May 15, 2026 | ASX | Sell | 9,000 | $563.00 | $5.1M | −12.2% | Director | |
May 14, 2026 | ASX | Sell | 9,000 | $560.00 | $5.0M | −10.8% | Director | |
Apr 24, 2026 | ASX | Sell | 9,000 | $473.00 | $4.3M | −9.8% | Director | |
Apr 23, 2026 | ASX | Sell | 9,000 | $487.67 | $4.4M | −8.9% | Director | |
Apr 22, 2026 | ASX | Sell | 9,000 | $466.50 | $4.2M | −8.2% | Director | |
Apr 21, 2026 | ASX | Sell | 9,000 | $463.50 | $4.2M | −7.6% | Director | |
Apr 20, 2026 | ASX | Sell | 9,000 | $461.50 | $4.2M | −7.0% | Director | |
Apr 17, 2026 | ASX | Sell | 9,000 | $454.00 | $4.1M | −6.6% | Director | |
Apr 16, 2026 | ASX | Sell | 9,000 | $446.00 | $4.0M | −6.2% | Director | |
Apr 15, 2026 | ASX | Sell | 9,000 | $432.00 | $3.9M | −5.8% | Director | |
Apr 14, 2026 | ASX | Sell | 9,000 | $427.00 | $3.8M | −5.5% | Director | |
Apr 13, 2026 | ASX | Sell | 9,000 | $408.33 | $3.7M | −5.2% | Director | |
Apr 10, 2026 | ASX | Sell | 9,000 | $387.00 | $3.5M | −4.9% | Director | |
Apr 9, 2026 | ASX | Sell | 9,000 | $388.00 | $3.5M | −4.7% | Director | |
Apr 8, 2026 | ASX | Sell | 9,000 | $380.50 | $3.4M | −4.5% | Director |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| ASX | ASE Technology Holding Co., Ltd. | 19 | $78.9M |
Other insiders at ASE Technology Holding Co., Ltd.
2 other tracked filers at ASX.