Home › US companies › ASE Technology Holding

ASE Technology Holding

ASX · NYSE · Semiconductors & Related Devices

Insider buys (12 months)

Insider sales (12 months)

$369.7M

8-K reports (12 months)

Tracked investors holding

At a glance

In the last 12 months 3 insiders reported 0 open-market purchases and 16 sales ($369.7M). None of the sales were flagged as 10b5-1 plan trades. The largest was a sale of $247.1M by GM, ASE Inc. Chung-Li Branch Tien-Szu Chen on Apr 22, 2026.

Insider open-market trades (last 12 months)

10/14SaleChief Administration Officer Du-Tsuen Uang sold 3,000 sh at $752.00, Oct 12.$2.3M

7/24SaleChief Administration Officer Du-Tsuen Uang sold 3,000 sh at $665.00, Jul 22.$2M

7/17SaleChief Administration Officer Du-Tsuen Uang sold 3,000 sh at $688.00, Jul 15.$2.1M

7/8SaleChief Administration Officer Du-Tsuen Uang sold 2,000 sh at $687.00, Jul 6.$1.4M

7/2SaleChief Administration Officer Du-Tsuen Uang sold 8,000 sh at $686.63, Jun 30~Jul 1.$5.5M

6/23SaleChief Administration Officer Du-Tsuen Uang sold 11,000 sh at $659.91, Jun 18~Jun 23.$7.3M

6/3SaleChief Administration Officer Du-Tsuen Uang sold 10,000 sh at $612.00, Jun 1~Jun 3.$6.1M

5/27SaleDirector Jeffrey Chen sold 29,000 sh at $590.62, May 22~May 27.$17.1M

5/21SaleDirector Jeffrey Chen sold 27,000 sh at $488.33, May 19~May 21.$13.2M

5/18SaleDirector Jeffrey Chen sold 27,000 sh at $543.00, May 14~May 18.$14.7M

4/28SaleDirector Jeffrey Chen sold 9,000 sh at $473.00, Apr 24.$4.3M

4/23SaleDirector Jeffrey Chen sold 27,000 sh at $472.56, Apr 21~Apr 23.$12.8M

4/22SaleGM, ASE Inc. Chung-Li Branch Tien-Szu Chen sold 530,000 sh at $466.30, Apr 20.$247.1M

4/20SaleDirector Jeffrey Chen sold 27,000 sh at $453.83, Apr 16~Apr 20.$12.3M

4/15SaleDirector Jeffrey Chen sold 27,000 sh at $422.44, Apr 13~Apr 15.$11.4M

4/10SaleDirector Jeffrey Chen sold 27,000 sh at $385.17, Apr 8~Apr 10.$10.4M

Source: SEC EDGAR. How figures are combined