TW Semiconductors & Semiconductor Equipment

ASE Technology Holding Co Ltd (3711)

Track

Over the past 90 days, ASE Technology Holding Co Ltd has seen 30 insider transactions, all of which were sales totaling approximately $341.6 million. Key executives, including Chief Administration Officer Uang Du-Tsuen, have consistently offloaded shares. This selling activity coincides with a 53% increase in the company's stock price over the same period.
Ticker: 3711 Exchange: TAI
Preparing chart...
Download chart Copy chart image Copy link Share to X Share


• 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
Uang Du-Tsuen
Chief Administration Officer
1 sale — total 100,000 USD
Sale 15 Jul 2026
Value US$4,737,428.34 | Price 182.84 | Shares 28,276
Sale 6 Jul 2026
Value US$4,119,051.95 | Price 122.89 | Shares 56,530
Sale 1 Jul 2026
Value US$100,000.00 | Price 709.00 | Shares 1,000
Sale 30 Jun 2026
Value US$100,000.00 | Price 687.00 | Shares 1,000
Sale 30 Jun 2026
Value US$100,000.00 | Price 664.00 | Shares 1,000
Sale 23 Jun 2026
Value US$2,091,000.00 | Price 697.00 | Shares 3,000
Sale 22 Jun 2026
Value US$3,335,000.00 | Price 667.00 | Shares 5,000
Sale 18 Jun 2026
Value US$1,833,000.00 | Price 611.00 | Shares 3,000
Sale 3 Jun 2026
Value US$3,085,000.00 | Price 617.00 | Shares 5,000
Sale 1 Jun 2026
Value US$3,035,000.00 | Price 607.00 | Shares 5,000
Sale 27 May 2026
Value US$1,306,000.00 | Price 653.00 | Shares 2,000
Sale 26 May 2026
Value US$5,670,000.00 | Price 630.00 | Shares 9,000
Sale 25 May 2026
Value US$5,310,000.00 | Price 590.00 | Shares 9,000
Sale 22 May 2026
Value US$4,842,000.00 | Price 538.00 | Shares 9,000
Sale 21 May 2026
Value US$4,545,000.00 | Price 505.00 | Shares 9,000
Sale 20 May 2026
Value US$4,293,000.00 | Price 477.00 | Shares 9,000
Sale 19 May 2026
Value US$4,347,000.00 | Price 483.00 | Shares 9,000
Sale 18 May 2026
Value US$4,554,000.00 | Price 506.00 | Shares 9,000
Sale 15 May 2026
Value US$5,067,000.00 | Price 563.00 | Shares 9,000
Sale 14 May 2026
Value US$5,040,000.00 | Price 560.00 | Shares 9,000
Sale 24 Apr 2026
Value US$4,257,000.00 | Price 473.00 | Shares 9,000
Sale 23 Apr 2026
Value US$4,389,000.30 | Price 487.67 | Shares 9,000
Sale 22 Apr 2026
Value US$4,198,500.00 | Price 466.50 | Shares 9,000
Sale 21 Apr 2026
Value US$4,171,500.00 | Price 463.50 | Shares 9,000
Sale 20 Apr 2026
Value US$37,680,000.00 | Price 471.00 | Shares 80,000
Sale 20 Apr 2026
Value US$23,350,000.00 | Price 467.00 | Shares 50,000
Sale 20 Apr 2026
Value US$33,552,000.00 | Price 466.00 | Shares 72,000
Sale 20 Apr 2026
Value US$152,554,997.60 | Price 465.11 | Shares 328,000
Sale 20 Apr 2026
Value US$4,153,500.00 | Price 461.50 | Shares 9,000
Sale 17 Apr 2026
Value US$4,086,000.00 | Price 454.00 | Shares 9,000
Sale 16 Apr 2026
Value US$4,014,000.00 | Price 446.00 | Shares 9,000
Sale 15 Apr 2026
Value US$3,888,000.00 | Price 432.00 | Shares 9,000
Sale 14 Apr 2026
Value US$3,843,000.00 | Price 427.00 | Shares 9,000
Sale 13 Apr 2026
Value US$3,674,970.00 | Price 408.33 | Shares 9,000
Sale 10 Apr 2026
Value US$3,483,000.00 | Price 387.00 | Shares 9,000
Sale 9 Apr 2026
Value US$3,492,000.00 | Price 388.00 | Shares 9,000
Sale 8 Apr 2026
Value US$3,424,500.00 | Price 380.50 | Shares 9,000
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
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
91,145 +15.5%
473.08
US$4,800,459 		91,145 +15.5% 473.08 US$4,800,459
2026-07-02 2026-06-30 S Sale
Uang Du-Tsuen

Chief Administration Officer

Officer
1,000 -0.3%
687.00
US$100,000 		1,000 -0.3% 687.00 US$100,000
2026-07-02 2026-06-30 S Sale
Uang Du-Tsuen

Chief Administration Officer

Officer
1,000 -0.4%
664.00
US$100,000 		1,000 -0.4% 664.00 US$100,000
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
Explore more

More insider trading research around ASE Technology Holding Co Ltd

More insider trades in TW
Similar Technology companies with insider activity
More Technology Equipment companies with insider activity
More Semiconductors & Semiconductor Equipment companies with insider activity