In the last 12 months, insiders at ASE Technology Holding Co., Ltd. ($ASX) filed 27 transactions with the SEC: 0 open-market purchases totaling $0 and 23 sales totaling $326,057,968. Net insider sentiment: net selling.
ASE Technology Holding Co., Ltd. operates in the Semiconductors & related devices industry (Manufacturing sector).
Most Active Insiders
- Chang Chien Shen (Director) — 4 transactions totaling $272,850,000
- Chen Tien-Szu (GM, ASE Inc. Chung-Li Branch) — 4 transactions totaling $247,136,998
- Chen Jeffrey (Director) — 19 transactions totaling $78,920,970
View all SEC Filings for ASE Technology Holding Co., Ltd. (ASX).
Set Up your own filters →Recent Insider Transactions
| Transaction Date | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|
| May 19, 2026 | Chen Jeffrey | Director | S | Ordinary Shares | 9000 | $483.00 | 2,430,000.0000 | 4,447,029,782 | 0.37% | 0.00% |
| May 21, 2026 | Chen Jeffrey | Director | S | Ordinary Shares | 9000 | $505.00 | 2,412,000.0000 | 4,447,029,782 | 0.37% | 0.00% |
| May 20, 2026 | Chen Jeffrey | Director | S | Ordinary Shares | 9000 | $477.00 | 2,421,000.0000 | 4,447,029,782 | 0.37% | 0.00% |
| May 18, 2026 | Chen Jeffrey | Director | S | Ordinary Shares | 9000 | $506.00 | 2,439,000.0000 | 4,447,029,782 | 0.37% | 0.00% |
| May 15, 2026 | Chen Jeffrey | Director | S | Ordinary Shares | 9000 | $563.00 | 2,448,000.0000 | 4,447,029,782 | 0.37% | 0.00% |
| May 14, 2026 | Chen Jeffrey | Director | S | Ordinary Shares | 9000 | $560.00 | 2,457,000.0000 | 4,447,029,782 | 0.36% | 0.00% |
| April 24, 2026 | Chen Jeffrey | Director | S | Ordinary Shares | 9000 | $473.00 | 2,466,000.0000 | 4,447,029,782 | 0.36% | 0.00% |
| April 22, 2026 | Chen Jeffrey | Director | S | Ordinary Shares | 9000 | $466.50 | 2,484,000.0000 | 4,447,029,782 | 0.36% | 0.00% |
| April 23, 2026 | Chen Jeffrey | Director | S | Ordinary Shares | 9000 | $487.67 | 2,475,000.0000 | 4,447,029,782 | 0.36% | 0.00% |
| April 21, 2026 | Chen Jeffrey | Director | S | Ordinary Shares | 9000 | $463.50 | 2,493,000.0000 | 4,447,029,782 | 0.36% | 0.00% |
| April 20, 2026 | Chen Tien-Szu | GM, ASE Inc. Chung-Li Branch | S | Ordinary Shares | 328000 | $465.11 | 2,453,821.0000 | 4,447,029,782 | 11.79% | 0.01% |
| April 20, 2026 | Chen Tien-Szu | GM, ASE Inc. Chung-Li Branch | S | Ordinary Shares | 72000 | $466.00 | 2,381,821.0000 | 4,447,029,782 | 2.93% | 0.00% |
| April 20, 2026 | Chen Tien-Szu | GM, ASE Inc. Chung-Li Branch | S | Ordinary Shares | 50000 | $467.00 | 2,331,821.0000 | 4,447,029,782 | 2.10% | 0.00% |
| April 20, 2026 | Chen Tien-Szu | GM, ASE Inc. Chung-Li Branch | S | Ordinary Shares | 80000 | $471.00 | 2,251,821.0000 | 4,447,029,782 | 3.43% | 0.00% |
| April 16, 2026 | Chen Jeffrey | Director | S | Ordinary Shares | 9000 | $446.00 | 2,520,000.0000 | 4,447,029,782 | 0.36% | 0.00% |
| April 20, 2026 | Chen Jeffrey | Director | S | Ordinary Shares | 9000 | $461.50 | 2,502,000.0000 | 4,447,029,782 | 0.36% | 0.00% |
| April 17, 2026 | Chen Jeffrey | Director | S | Ordinary Shares | 9000 | $454.00 | 2,511,000.0000 | 4,447,029,782 | 0.36% | 0.00% |
| April 13, 2026 | Chen Jeffrey | Director | S | Ordinary Shares | 9000 | $408.33 | 2,547,000.0000 | 4,447,029,782 | 0.35% | 0.00% |
| April 15, 2026 | Chen Jeffrey | Director | S | Ordinary Shares | 9000 | $432.00 | 2,529,000.0000 | 4,447,029,782 | 0.35% | 0.00% |
| April 14, 2026 | Chen Jeffrey | Director | S | Ordinary Shares | 9000 | $427.00 | 2,538,000.0000 | 4,447,029,782 | 0.35% | 0.00% |
| April 9, 2026 | Chang Chien Shen | Director | M | Ordinary Shares | 1500000 | $99.70 | 955,600,353.0000 | 4,447,029,782 | 0.16% | 0.03% |
| April 9, 2026 | Chang Chien Shen | Director | M | Stock Option (Right to Buy) | 1500000 | $0.00 | 1,500,000.0000 | 4,447,029,782 | 50.00% | 0.03% |
| April 9, 2026 | Chang Chien Shen | Director | M | Stock Option (Right to Buy) | 3000000 | $0.00 | 0.0000 | 4,447,029,782 | 100.00% | 0.07% |
| April 9, 2026 | Chang Chien Shen | Director | M | Ordinary Shares | 3000000 | $41.10 | 954,100,353.0000 | 4,447,029,782 | 0.32% | 0.07% |
| April 9, 2026 | Chen Jeffrey | Director | S | Ordinary Shares | 9000 | $388.00 | 2,565,000.0000 | 4,447,029,782 | 0.35% | 0.00% |
| April 10, 2026 | Chen Jeffrey | Director | S | Ordinary Shares | 9000 | $387.00 | 2,556,000.0000 | 4,447,029,782 | 0.35% | 0.00% |
| April 8, 2026 | Chen Jeffrey | Director | S | Ordinary Shares | 9000 | $380.50 | 2,574,000.0000 | 4,447,029,782 | 0.35% | 0.00% |