$41.63
+4.10%0
Insider buys (3m)
7
Insider sells (3m)
-$14.0M
Net value (3m)
-7.4%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Sep 9, 2026 | Tsai Chi-Wen · officer: Chairman & President, SPIL | A-Award | 334,000 | $0.00 |
| Sep 9, 2026 | Chen Jeffrey · director | A-Award | 300,000 | $0.00 |
| Sep 9, 2026 | Wu Tien-Yue · director | A-Award | 600,000 | $0.00 |
| Sep 9, 2026 | Chen Tien-Szu · officer: GM, ASE Inc. Chung-Li Branch | A-Award | 300,000 | $0.00 |
| Sep 9, 2026 | Tang Andrew R · director | A-Award | 85,000 | $0.00 |
| Sep 9, 2026 | Tung Hung-Szu · officer: Chief Financial Officer | A-Award | 400,000 | $0.00 |
| Sep 9, 2026 | Uang Du-Tsuen · officer: Chief Administration Officer | A-Award | 90,000 | $0.00 |
| Sep 9, 2026 | Kuo Hung-Ming · officer: Principal Accounting Officer | A-Award | 50,000 | $0.00 |
| Sep 9, 2026 | Lo Raymond · officer: GM TW & Kaohsiung Pkg Facility | A-Award | 400,000 | $0.00 |
| Sep 9, 2026 | Lin Chung · officer: GM, ASE Shanghai & Electronics | A-Award | 30,000 | $0.00 |
| Sep 9, 2026 | Hsiang Kenneth · officer: CEO, ISE Labs | A-Award | 40,000 | $0.00 |
| Sep 9, 2026 | Chung Chih-Hsiao · officer: GM, ASE Japan & Wuxi Tongzhi | A-Award | 30,000 | $0.00 |
| 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 | 9,000 | $538 |
| May 27, 2026 | Chen Jeffrey · director | Sale | 2,000 | $653 |
| May 21, 2026 | Chen Jeffrey · director | Sale | 9,000 | $483 |
| May 18, 2026 | Chen Jeffrey · director | Sale | 9,000 | $560 |
Institutional positioning
13F filings over the trailing two quarters
New 235Increased 284Reduced 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 Sep 9, 2026