TW Semiconductors & Semiconductor Equipment

ASE Technology Holding Co Ltd (3711)

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Track

ASE Technology Holding witnessed eleven insider trading transactions over the past ninety days, exclusively involving sales totaling 24.3 million dollars. Chief Administration Officer Uang Du-Tsuen executed multiple divestments following a positive earnings report that exceeded expectations by 19.43 percent. The stock price appreciated 4.3 percent during this period of consistent executive liquidation.
Ticker: 3711 Exchange: TAI
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
No insider activity signals detected

Insider trades have not triggered unusual activity signals for this company.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Uang Du-Tsuen Chief Administration Officer Officer
Transaction date
Sale
Price
61.87
Quantity 65,253 -19.3%
Value US$879,668
Uang Du-Tsuen Chief Administration Officer Officer
Transaction date
Sale
Price
182.84
Quantity 28,276 +11.8%
Value US$4,737,428
Uang Du-Tsuen Chief Administration Officer Officer
Transaction date
Sale
Price
122.89
Quantity 56,530 -8.7%
Value US$4,119,052
Uang Du-Tsuen Chief Administration Officer Officer
Transaction date
Sale
Price
709.00
Quantity 3,000 -0.4%
Value US$2,127,000
Uang Du-Tsuen Chief Administration Officer Officer
Transaction date
Sale
Price
687.00
Quantity 2,000 -0.3%
Value US$1,374,000
Uang Du-Tsuen Chief Administration Officer Officer
Transaction date
Sale
Price
664.00
Quantity 3,000 -0.4%
Value US$1,992,000
Uang Du-Tsuen Chief Administration Officer Officer
Transaction date
Sale
Price
697.00
Quantity 3,000 -0.4%
Value US$2,091,000
Uang Du-Tsuen Chief Administration Officer Officer
Transaction date
Sale
Price
667.00
Quantity 5,000 -0.6%
Value US$3,335,000
Uang Du-Tsuen Chief Administration Officer Officer
Transaction date
Sale
Price
611.00
Quantity 3,000 -0.4%
Value US$1,833,000
Uang Du-Tsuen Chief Administration Officer Officer
Transaction date
Sale
Price
617.00
Quantity 5,000 -0.6%
Value US$3,085,000
Uang Du-Tsuen Chief Administration Officer Officer
Transaction date
Sale
Price
607.00
Quantity 5,000 -0.6%
Value US$3,035,000
Chen Jeffrey Non-Executive Director
Transaction date
Sale
Price
653.00
Quantity 2,000 -100.0%
Value US$1,306,000
Chen Jeffrey Non-Executive Director
Transaction date
Sale
Price
630.00
Quantity 9,000 -81.8%
Value US$5,670,000
Chen Jeffrey Non-Executive Director
Transaction date
Sale
Price
590.00
Quantity 9,000 -45.0%
Value US$5,310,000
Chen Jeffrey Non-Executive Director
Transaction date
Sale
Price
538.00
Quantity 9,000 -31.0%
Value US$4,842,000
Chen Jeffrey Non-Executive Director
Transaction date
Sale
Price
505.00
Quantity 9,000 -23.7%
Value US$4,545,000
Chen Jeffrey Non-Executive Director
Transaction date
Sale
Price
477.00
Quantity 9,000 -19.1%
Value US$4,293,000
Chen Jeffrey Non-Executive Director
Transaction date
Sale
Price
483.00
Quantity 9,000 -16.1%
Value US$4,347,000
Chen Jeffrey Non-Executive Director
Transaction date
Sale
Price
506.00
Quantity 9,000 -13.8%
Value US$4,554,000
Chen Jeffrey Non-Executive Director
Transaction date
Sale
Price
563.00
Quantity 9,000 -12.2%
Value US$5,067,000
Chen Jeffrey Non-Executive Director
Transaction date
Sale
Price
560.00
Quantity 9,000 -10.8%
Value US$5,040,000
Chen Jeffrey Non-Executive Director
Transaction date
Sale
Price
473.00
Quantity 9,000 -9.8%
Value US$4,257,000
Chen Jeffrey Non-Executive Director
Transaction date
Sale
Price
487.67
Quantity 9,000 -8.9%
Value US$4,389,000
Chen Jeffrey Non-Executive Director
Transaction date
Sale
Price
466.50
Quantity 9,000 -8.2%
Value US$4,198,500
Chen Jeffrey Non-Executive Director
Transaction date
Sale
Price
463.50
Quantity 9,000 -7.6%
Value US$4,171,500
Chen Tien-Szu GM, ASE Inc. Chung-Li Branch Officer
Transaction date
Sale
Price
471.00
Quantity 80,000 -3.4%
Value US$37,680,000
Chen Tien-Szu GM, ASE Inc. Chung-Li Branch Officer
Transaction date
Sale
Price
467.00
Quantity 50,000 -2.1%
Value US$23,350,000
Chen Tien-Szu GM, ASE Inc. Chung-Li Branch Officer
Transaction date
Sale
Price
466.00
Quantity 72,000 -2.9%
Value US$33,552,000
Chen Tien-Szu GM, ASE Inc. Chung-Li Branch Officer
Transaction date
Sale
Price
465.11
Quantity 328,000 -11.8%
Value US$152,554,998
Chen Jeffrey Non-Executive Director
Transaction date
Sale
Price
461.50
Quantity 9,000 -7.0%
Value US$4,153,500
Chen Jeffrey Non-Executive Director
Transaction date
Sale
Price
454.00
Quantity 9,000 -6.6%
Value US$4,086,000
Chen Jeffrey Non-Executive Director
Transaction date
Sale
Price
446.00
Quantity 9,000 -6.2%
Value US$4,014,000
Chen Jeffrey Non-Executive Director
Transaction date
Sale
Price
432.00
Quantity 9,000 -5.8%
Value US$3,888,000
Chen Jeffrey Non-Executive Director
Transaction date
Sale
Price
427.00
Quantity 9,000 -5.5%
Value US$3,843,000
Chen Jeffrey Non-Executive Director
Transaction date
Sale
Price
408.33
Quantity 9,000 -5.2%
Value US$3,674,970
Chen Jeffrey Non-Executive Director
Transaction date
Sale
Price
387.00
Quantity 9,000 -4.9%
Value US$3,483,000
Chen Jeffrey Non-Executive Director
Transaction date
Sale
Price
388.00
Quantity 9,000 -4.7%
Value US$3,492,000
Chen Jeffrey Non-Executive Director
Transaction date
Sale
Price
380.50
Quantity 9,000 -4.5%
Value US$3,424,500
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-07-24 2026-07-22 S Sale
Uang Du-Tsuen

Chief Administration Officer

Officer
65,253 -19.3%
61.87
US$879,668 		65,253 -19.3% 61.87 US$879,668
2026-07-17 2026-07-15 S Sale
Uang Du-Tsuen

Chief Administration Officer

Officer
28,276 +11.8%
182.84
US$4,737,428 		28,276 +11.8% 182.84 US$4,737,428
2026-07-08 2026-07-06 S Sale
Uang Du-Tsuen

Chief Administration Officer

Officer
56,530 -8.7%
122.89
US$4,119,052 		56,530 -8.7% 122.89 US$4,119,052
2026-07-02 2026-07-01 S Sale
Uang Du-Tsuen

Chief Administration Officer

Officer
3,000 -0.4%
709.00
US$2,127,000 		3,000 -0.4% 709.00 US$2,127,000
2026-07-02 2026-06-30 S Sale
Uang Du-Tsuen

Chief Administration Officer

Officer
2,000 -0.3%
687.00
US$1,374,000 		2,000 -0.3% 687.00 US$1,374,000
2026-07-02 2026-06-30 S Sale
Uang Du-Tsuen

Chief Administration Officer

Officer
3,000 -0.4%
664.00
US$1,992,000 		3,000 -0.4% 664.00 US$1,992,000
2026-06-23 2026-06-23 S Sale
Uang Du-Tsuen

Chief Administration Officer

Officer
3,000 -0.4%
697.00
US$2,091,000 		3,000 -0.4% 697.00 US$2,091,000
2026-06-23 2026-06-22 S Sale
Uang Du-Tsuen

Chief Administration Officer

Officer
5,000 -0.6%
667.00
US$3,335,000 		5,000 -0.6% 667.00 US$3,335,000
2026-06-23 2026-06-18 S Sale
Uang Du-Tsuen

Chief Administration Officer

Officer
3,000 -0.4%
611.00
US$1,833,000 		3,000 -0.4% 611.00 US$1,833,000
2026-06-03 2026-06-03 S Sale
Uang Du-Tsuen

Chief Administration Officer

Officer
5,000 -0.6%
617.00
US$3,085,000 		5,000 -0.6% 617.00 US$3,085,000
2026-06-03 2026-06-01 S Sale
Uang Du-Tsuen

Chief Administration Officer

Officer
5,000 -0.6%
607.00
US$3,035,000 		5,000 -0.6% 607.00 US$3,035,000
2026-05-27 2026-05-27 S Sale
Chen Jeffrey
Non-Executive Director
2,000 -100.0%
653.00
US$1,306,000 		2,000 -100.0% 653.00 US$1,306,000
2026-05-27 2026-05-26 S Sale
Chen Jeffrey
Non-Executive Director
9,000 -81.8%
630.00
US$5,670,000 		9,000 -81.8% 630.00 US$5,670,000
2026-05-27 2026-05-25 S Sale
Chen Jeffrey
Non-Executive Director
9,000 -45.0%
590.00
US$5,310,000 		9,000 -45.0% 590.00 US$5,310,000
2026-05-27 2026-05-22 S Sale
Chen Jeffrey
Non-Executive Director
9,000 -31.0%
538.00
US$4,842,000 		9,000 -31.0% 538.00 US$4,842,000
2026-05-21 2026-05-21 S Sale
Chen Jeffrey
Non-Executive Director
9,000 -23.7%
505.00
US$4,545,000 		9,000 -23.7% 505.00 US$4,545,000
2026-05-21 2026-05-20 S Sale
Chen Jeffrey
Non-Executive Director
9,000 -19.1%
477.00
US$4,293,000 		9,000 -19.1% 477.00 US$4,293,000
2026-05-21 2026-05-19 S Sale
Chen Jeffrey
Non-Executive Director
9,000 -16.1%
483.00
US$4,347,000 		9,000 -16.1% 483.00 US$4,347,000
2026-05-18 2026-05-18 S Sale
Chen Jeffrey
Non-Executive Director
9,000 -13.8%
506.00
US$4,554,000 		9,000 -13.8% 506.00 US$4,554,000
2026-05-18 2026-05-15 S Sale
Chen Jeffrey
Non-Executive Director
9,000 -12.2%
563.00
US$5,067,000 		9,000 -12.2% 563.00 US$5,067,000
2026-05-18 2026-05-14 S Sale
Chen Jeffrey
Non-Executive Director
9,000 -10.8%
560.00
US$5,040,000 		9,000 -10.8% 560.00 US$5,040,000
2026-04-28 2026-04-24 S Sale
Chen Jeffrey
Non-Executive Director
9,000 -9.8%
473.00
US$4,257,000 		9,000 -9.8% 473.00 US$4,257,000
2026-04-23 2026-04-23 S Sale
Chen Jeffrey
Non-Executive Director
9,000 -8.9%
487.67
US$4,389,000 		9,000 -8.9% 487.67 US$4,389,000
2026-04-23 2026-04-22 S Sale
Chen Jeffrey
Non-Executive Director
9,000 -8.2%
466.50
US$4,198,500 		9,000 -8.2% 466.50 US$4,198,500
2026-04-23 2026-04-21 S Sale
Chen Jeffrey
Non-Executive Director
9,000 -7.6%
463.50
US$4,171,500 		9,000 -7.6% 463.50 US$4,171,500
2026-04-22 2026-04-20 S Sale
Chen Tien-Szu

GM, ASE Inc. Chung-Li Branch

Officer
80,000 -3.4%
471.00
US$37,680,000 		80,000 -3.4% 471.00 US$37,680,000
2026-04-22 2026-04-20 S Sale
Chen Tien-Szu

GM, ASE Inc. Chung-Li Branch

Officer
50,000 -2.1%
467.00
US$23,350,000 		50,000 -2.1% 467.00 US$23,350,000
2026-04-22 2026-04-20 S Sale
Chen Tien-Szu

GM, ASE Inc. Chung-Li Branch

Officer
72,000 -2.9%
466.00
US$33,552,000 		72,000 -2.9% 466.00 US$33,552,000
2026-04-22 2026-04-20 S Sale
Chen Tien-Szu

GM, ASE Inc. Chung-Li Branch

Officer
328,000 -11.8%
465.11
US$152,554,998 		328,000 -11.8% 465.11 US$152,554,998
2026-04-20 2026-04-20 S Sale
Chen Jeffrey
Non-Executive Director
9,000 -7.0%
461.50
US$4,153,500 		9,000 -7.0% 461.50 US$4,153,500
2026-04-20 2026-04-17 S Sale
Chen Jeffrey
Non-Executive Director
9,000 -6.6%
454.00
US$4,086,000 		9,000 -6.6% 454.00 US$4,086,000
2026-04-20 2026-04-16 S Sale
Chen Jeffrey
Non-Executive Director
9,000 -6.2%
446.00
US$4,014,000 		9,000 -6.2% 446.00 US$4,014,000
2026-04-15 2026-04-15 S Sale
Chen Jeffrey
Non-Executive Director
9,000 -5.8%
432.00
US$3,888,000 		9,000 -5.8% 432.00 US$3,888,000
2026-04-15 2026-04-14 S Sale
Chen Jeffrey
Non-Executive Director
9,000 -5.5%
427.00
US$3,843,000 		9,000 -5.5% 427.00 US$3,843,000
2026-04-15 2026-04-13 S Sale
Chen Jeffrey
Non-Executive Director
9,000 -5.2%
408.33
US$3,674,970 		9,000 -5.2% 408.33 US$3,674,970
2026-04-10 2026-04-10 S Sale
Chen Jeffrey
Non-Executive Director
9,000 -4.9%
387.00
US$3,483,000 		9,000 -4.9% 387.00 US$3,483,000
2026-04-10 2026-04-09 S Sale
Chen Jeffrey
Non-Executive Director
9,000 -4.7%
388.00
US$3,492,000 		9,000 -4.7% 388.00 US$3,492,000
2026-04-10 2026-04-08 S Sale
Chen Jeffrey
Non-Executive Director
9,000 -4.5%
380.50
US$3,424,500 		9,000 -4.5% 380.50 US$3,424,500
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