KULICKE & SOFFA INDUSTRIES INC — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| RICHARDSON DAVID JEFFREY | — | Gift | 5,665 | — | — | 27,058 | Dec 18, 2025 |
| WONG NELSON MUNPUN | Senior Vice President | Sale | 5,004 | $50.07 | $250,550 | 156,369 | Dec 8, 2025 |
| Lim Zi Yao | General Counsel | Sale | 1,000 | $45.00 | $45,000 | 23,714 | Dec 2, 2025 |
| Wong Lester A | Interim CEO and CFO | Award / Grant | 10,338 | — | — | 110,743 | Dec 1, 2025 |
| Kong Peter T M | — | Award / Grant | 1,339 | — | — | 100,009 | Dec 1, 2025 |
| Chylak Robert Nestor | Senior Vice President | Option Exercise | 142 | — | — | 30,126 | Nov 20, 2025 |
| WONG NELSON MUNPUN | Senior Vice President | Option Exercise | 166 | — | — | 161,373 | Nov 20, 2025 |
| Chong Chan Pin | Executive Vice President | Option Exercise | 174 | — | — | 52,195 | Nov 20, 2025 |
| Wong Lester A | Interim CEO and CFO | Option Exercise | 356 | — | — | 100,405 | Nov 20, 2025 |
| CHEN FUSEN ERNIE | — | Option Exercise | 1,920 | — | — | 1,161,725 | Nov 20, 2025 |
| Chylak Robert Nestor | Senior Vice President | Tax Withholding | 674 | $39.74 | $26,785 | 29,984 | Oct 16, 2025 |
| Wong Lester A | Chief Financial Officer | Award / Grant | 9,462 | — | — | 89,098 | Oct 14, 2025 |
| Chylak Robert Nestor | Senior Vice President | Tax Withholding | 1,245 | $40.05 | $49,862 | 30,658 | Oct 14, 2025 |
| Chong Chan Pin | Executive Vice President | Option Exercise | 5,375 | — | — | 52,021 | Oct 14, 2025 |
| CHEN FUSEN ERNIE | President and CEO | Option Exercise | 59,040 | — | — | 1,159,805 | Oct 14, 2025 |
| Lim Zi Yao | General Counsel | Award / Grant | 7,597 | — | — | 24,714 | Oct 13, 2025 |
| WONG NELSON MUNPUN | Senior Vice President | Option Exercise | 5,115 | — | — | 161,207 | Oct 13, 2025 |
| Chylak Robert Nestor | Senior Vice President | Tax Withholding | 610 | $38.18 | $23,290 | 20,228 | Oct 11, 2025 |
| Kong Peter T M | — | Award / Grant | 1,081 | — | — | 98,670 | Oct 6, 2025 |
| Dignam Denise | — | Award / Grant | 1,081 | — | — | 9,653 | Oct 6, 2025 |
| Milzcik Gregory F | — | Award / Grant | 1,081 | — | — | 77,186 | Oct 6, 2025 |
| Olson Jon A | — | Award / Grant | 1,081 | — | — | 19,803 | Oct 6, 2025 |
| RICHARDSON DAVID JEFFREY | — | Award / Grant | 1,081 | — | — | 5,665 | Oct 6, 2025 |
| Yeo Mui Sung | — | Award / Grant | 1,081 | — | — | 96,789 | Oct 6, 2025 |
| WONG NELSON MUNPUN | Senior Vice President | Sale | 30,000 | $37.07 | $1,112,100 | 147,533 | Aug 12, 2025 |
| Dignam Denise | — | Award / Grant | 1,260 | — | — | 8,572 | Jul 1, 2025 |
| Milzcik Gregory F | — | Award / Grant | 1,260 | — | — | 76,105 | Jul 1, 2025 |
| Kong Peter T M | — | Award / Grant | 1,260 | — | — | 97,589 | Jul 1, 2025 |
| Olson Jon A | — | Award / Grant | 1,260 | — | — | 18,722 | Jul 1, 2025 |
| RICHARDSON DAVID JEFFREY | — | Award / Grant | 1,260 | — | — | 4,584 | Jul 1, 2025 |
| Yeo Mui Sung | — | Award / Grant | 1,260 | — | — | 95,708 | Jul 1, 2025 |
| Dignam Denise | — | Award / Grant | 1,343 | — | — | 7,312 | Apr 1, 2025 |
| Milzcik Gregory F | — | Award / Grant | 1,343 | — | — | 74,845 | Apr 1, 2025 |
| Kong Peter T M | — | Award / Grant | 1,343 | — | — | 96,329 | Apr 1, 2025 |
| Olson Jon A | — | Award / Grant | 1,343 | — | — | 17,462 | Apr 1, 2025 |
| RICHARDSON DAVID JEFFREY | — | Award / Grant | 1,343 | — | — | 3,324 | Apr 1, 2025 |
| Yeo Mui Sung | — | Award / Grant | 1,343 | — | — | 94,448 | Apr 1, 2025 |
| Dignam Denise | — | Award / Grant | 956 | — | — | 5,969 | Jan 2, 2025 |
| Milzcik Gregory F | — | Award / Grant | 956 | — | — | 73,502 | Jan 2, 2025 |
| Kong Peter T M | — | Award / Grant | 956 | — | — | 94,986 | Jan 2, 2025 |
| Lim Chin Hu | — | Award / Grant | 956 | — | — | 60,657 | Jan 2, 2025 |
| Olson Jon A | — | Award / Grant | 956 | — | — | 16,119 | Jan 2, 2025 |
| RICHARDSON DAVID JEFFREY | — | Award / Grant | 956 | — | — | 1,981 | Jan 2, 2025 |
| Yeo Mui Sung | — | Award / Grant | 956 | — | — | 93,105 | Jan 2, 2025 |
| Milzcik Gregory F | — | Gift | 5,046 | — | — | 72,546 | Dec 12, 2024 |
| Chylak Robert Nestor | Senior Vice President | Sale | 11,391 | $49.52 | $564,082 | 20,838 | Dec 9, 2024 |
| Lim Chin Hu | — | Sale | 30,000 | $48.11 | $1,443,300 | 59,701 | Dec 6, 2024 |
| CHEN FUSEN ERNIE | President and CEO | Sale | 80,000 | $48.29 | $3,863,200 | 1,100,765 | Dec 5, 2024 |
| Wong Nelson MunPun | Senior Vice President | Sale | 30,000 | $47.56 | $1,426,800 | 177,533 | Nov 21, 2024 |
| Wong Lester A | Chief Financial Officer | Sale | 60,000 | $46.37 | $2,782,200 | 79,636 | Nov 20, 2024 |