ASX
ASE Technology Holding Co., Ltd.
NYSE · Technology · Semiconductors · TW
$37.50
+0.19%0
Insider buys (3m)
7
Insider sells (3m)
-$14.0M
Net value (3m)
+10.2%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Aug 19, 2026 | Chung Chih-Hsiao · officer: GM, ASE Japan & Wuxi Tongzhi | M-Exempt | 73,000 | $41 |
| Aug 19, 2026 | Chung Chih-Hsiao · officer: GM, ASE Japan & Wuxi Tongzhi | M-Exempt | 292,000 | $41 |
| Jul 31, 2026 | Lin Chung · officer: GM, ASE Shanghai & Electronics | M-Exempt | 10,000 | $99 |
| Jul 31, 2026 | Lin Chung · officer: GM, ASE Shanghai & Electronics | M-Exempt | 25,000 | $41 |
| Jul 24, 2026 | Uang Du-Tsuen · officer: Chief Administration Officer | Sale | 3,000 | $665 |
| Jul 17, 2026 | Uang Du-Tsuen · officer: Chief Administration Officer | Sale | 3,000 | $688 |
| Jul 15, 2026 | Chang Hung Pen · director | M-Exempt | 1,500,000 | $99 |
| Jul 15, 2026 | Chang Hung Pen · director | M-Exempt | 3,000,000 | $41 |
| Jul 8, 2026 | Uang Du-Tsuen · officer: Chief Administration Officer | Sale | 2,000 | $687 |
| Jul 2, 2026 | Uang Du-Tsuen · officer: Chief Administration Officer | Sale | 2,000 | $687 |
| Jul 2, 2026 | Uang Du-Tsuen · officer: Chief Administration Officer | Sale | 3,000 | $664 |
| Jun 23, 2026 | Uang Du-Tsuen · officer: Chief Administration Officer | Sale | 5,000 | $667 |
| Jun 23, 2026 | Uang Du-Tsuen · officer: Chief Administration Officer | Sale | 3,000 | $611 |
| Jun 3, 2026 | Uang Du-Tsuen · officer: Chief Administration Officer | Sale | 5,000 | $607 |
| May 27, 2026 | Chen Jeffrey · director | Sale | 2,000 | $653 |
| May 27, 2026 | Chen Jeffrey · director | Sale | 9,000 | $538 |
| May 21, 2026 | Chen Jeffrey · director | Sale | 9,000 | $483 |
| May 18, 2026 | Chen Jeffrey · director | Sale | 9,000 | $560 |
| Apr 28, 2026 | Chen Jeffrey · director | Sale | 9,000 | $473 |
| Apr 23, 2026 | Chen Jeffrey · director | Sale | 9,000 | $464 |
| Apr 22, 2026 | Chen Tien-Szu · officer: GM, ASE Inc. Chung-Li Branch | Sale | 328,000 | $465 |
| Apr 22, 2026 | Chen Tien-Szu · officer: GM, ASE Inc. Chung-Li Branch | Sale | 80,000 | $471 |
| Apr 22, 2026 | Chen Tien-Szu · officer: GM, ASE Inc. Chung-Li Branch | Sale | 50,000 | $467 |
| Apr 22, 2026 | Chen Tien-Szu · officer: GM, ASE Inc. Chung-Li Branch | Sale | 72,000 | $466 |
| Apr 20, 2026 | Chen Jeffrey · director | Sale | 9,000 | $446 |
| Apr 15, 2026 | Chen Jeffrey · director | Sale | 9,000 | $408 |
| Apr 13, 2026 | Chang Chien Shen · director | M-Exempt | 3,000,000 | $41 |
| Apr 13, 2026 | Chang Chien Shen · director | M-Exempt | 1,500,000 | $100 |
| Apr 10, 2026 | Chen Jeffrey · director | Sale | 9,000 | $381 |
Institutional positioning
13F filings over the trailing two quarters
New 236Increased 286Reduced 263Sold out 33
| Filer | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 26,255,012 | Aug 7, 2026 |
| BLACKROCK, INC. | Increased | 22,187,464 | May 13, 2026 |
| LAZARD ASSET MANAGEMENT LLC | Reduced | 13,530,133 | May 15, 2026 |
| BANK OF AMERICA CORP /DE/ | Increased | 9,387,504 | Aug 14, 2026 |
| UBS GROUP AG | Increased | 9,283,765 | May 5, 2026 |
| GOLDMAN SACHS GROUP INC | Increased | 8,300,320 | Aug 14, 2026 |
| LAZARD ASSET MANAGEMENT LLC | Reduced | 7,970,225 | Aug 14, 2026 |
| UBS Group AG | Reduced | 7,787,150 | Aug 13, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | Increased | 7,370,434 | May 13, 2026 |
| BANK OF AMERICA CORP /DE/ | Reduced | 6,833,380 | May 18, 2026 |
| MORGAN STANLEY | Reduced | 6,728,209 | May 15, 2026 |
| GOLDMAN SACHS GROUP INC | Reduced | 6,027,209 | Mar 25, 2026 |
| GOLDMAN SACHS GROUP INC | Reduced | 5,845,151 | May 15, 2026 |
| AMERICAN CENTURY COMPANIES INC | Increased | 5,827,413 | May 15, 2026 |
| MORGAN STANLEY | Reduced | 5,796,296 | Aug 13, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Aug 19, 2026