KLIC · Kulicke & Soffa Industries Inc · Insider Trading
Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 4 and 5. Form 3 supplies initial ownership rather than a trade; Form 4 must be filed within two business days of the trade.
| Date | Insider | Role | Type | Security | Shares |
|---|---|---|---|---|---|
| 2026-10-16 | Chylak Robert Nestor |
Senior Vice President |
Tax↓
Filing footnotes — Common Stock (Direct)
Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of 2,365 restricted stock units (RSUs) on October 16, 2026. The RSUs were granted on October 16, 2024, as part of an award of 7,094 RSUs. The shares withheld were not issued to or sold by the Reporting Person. |
Common Stock
|
1,029 |
| 2026-10-14 | WONG NELSON MUNPUN |
Senior Vice President |
Award↑
Filing footnotes — Common Stock (Direct)
One-third of the shares granted vest on each anniversary of the date of grant. |
Common Stock
|
5,734 |
| 2026-10-14 | Wong Lester A |
Interim CEO and CFO |
Award↑
Filing footnotes — Common Stock (Direct)
One-third of the shares granted vest on each anniversary of the date of grant. |
Common Stock
|
6,424 |
| 2026-10-14 | Chylak Robert Nestor |
Senior Vice President |
Award↑
Filing footnotes — Common Stock (Direct)
One-third of the shares granted vest on each anniversary of the date of grant. |
Common Stock
|
5,753 |
| 2026-10-14 | Talluri Rajendra K |
Director, President and CEO |
Award↑
Filing footnotes — Common Stock (Direct)
One-third of the shares granted vest on each anniversary of the date of grant. |
Common Stock
|
28,398 |
| 2026-10-14 | Lim Zi Yao |
General Counsel |
Award↑
Filing footnotes — Common Stock (Direct)
One-third of the shares granted vest on each anniversary of the date of grant. |
Common Stock
|
4,071 |
| 2026-10-13 | Chylak Robert Nestor |
Senior Vice President |
Tax↓
Filing footnotes — Common Stock (Direct)
Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of 2,660 restricted stock units (RSUs) on October 13, 2026. The RSUs were granted on October 13, 2025, as part of an award of 7,982 RSUs. The shares withheld were not issued to or sold by the Reporting Person. |
Common Stock
|
1,157 |
| 2026-10-11 | Wong Lester A |
Interim CEO and CFO |
Convert↓
Filing footnotes — Performance Share Units (Direct)
Performance Share Units (PSUs) awarded October 11, 2023, achieved a 148% payout based on total shareholder return (TSR) relative to a peer group. The peer group consisted of the companies of the GICS 45301020 (Semiconductors) not including companies traded on the Pink Sheets LLC Exchange as of the beginning of the Performance Period with the relative TSR measured over a three-year period. The payout was certified, and shares issued on October 11, 2026. Each PSU is convertible to one share of common stock. |
Performance Share Units
|
19,225 |
| 2026-10-11 | Chylak Robert Nestor |
Senior Vice President |
Tax↓
Filing footnotes — Common Stock (Direct)
Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of 2,139 restricted stock units (RSUs) on October 11, 2026. This RSU vesting is in connection to an RSU award granted on October 11, 2023 of 6,417 shares. These shares that were withheld were not issued to or sold by the Reporting Person. |
Common Stock
|
610 |
| 2026-10-11 | Chylak Robert Nestor |
Senior Vice President |
Convert↑
Filing footnotes — Common Stock (Direct)
Performance Share Units (PSUs) awarded October 11, 2023, achieved a 148% payout based on total shareholder return (TSR) relative to a peer group. The peer group consisted of the companies of the GICS 45301020 (Semiconductors) not including companies traded on the Pink Sheets LLC Exchange as of the beginning of the Performance Period with the relative TSR measured over a three-year period. The payout was certified, and shares issued on October 11, 2026. Each PSU is convertible to one share of common stock. |
Common Stock
|
9,498 |
| 2026-10-11 | WONG NELSON MUNPUN |
Senior Vice President |
Convert↑
Filing footnotes — Common Stock (Direct)
Performance Share Units (PSUs) awarded October 11, 2023, achieved a 148% payout based on total shareholder return (TSR) relative to a peer group. The peer group consisted of the companies of the GICS 45301020 (Semiconductors) not including companies traded on the Pink Sheets LLC Exchange as of the beginning of the Performance Period with the relative TSR measured over a three-year period. The payout was certified, and shares issued on October 11, 2026. Each PSU is convertible to one share of common stock. |
Common Stock
|
10,986 |
| 2026-10-11 | Wong Lester A |
Interim CEO and CFO |
Convert↑
Filing footnotes — Common Stock (Direct)
Performance Share Units (PSUs) awarded October 11, 2023, achieved a 148% payout based on total shareholder return (TSR) relative to a peer group. The peer group consisted of the companies of the GICS 45301020 (Semiconductors) not including companies traded on the Pink Sheets LLC Exchange as of the beginning of the Performance Period with the relative TSR measured over a three-year period. The payout was certified, and shares issued on October 11, 2026. Each PSU is convertible to one share of common stock. |
Common Stock
|
19,225 |
| 2026-10-11 | Chylak Robert Nestor |
Senior Vice President |
Convert↓
Filing footnotes — Performance Share Units (Direct)
Performance Share Units (PSUs) awarded October 11, 2023, achieved a 148% payout based on total shareholder return (TSR) relative to a peer group. The peer group consisted of the companies of the GICS 45301020 (Semiconductors) not including companies traded on the Pink Sheets LLC Exchange as of the beginning of the Performance Period with the relative TSR measured over a three-year period. The payout was certified, and shares issued on October 11, 2026. Each PSU is convertible to one share of common stock. |
Performance Share Units
|
9,498 |
| 2026-10-11 | Chylak Robert Nestor |
Senior Vice President |
Tax↓
Filing footnotes — Common Stock (Direct)
Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with issuance of 9,498 shares of common stock arising from payout under Performance Share Units (PSUs) awarded on October 11, 2023. The payout was certified, and the shares were issued on October 11, 2026, each PSU convertible into one share of common stock. These shares that were withheld were not issued to or sold by the Reporting Person. |
Common Stock
|
3,338 |
| 2026-10-11 | WONG NELSON MUNPUN |
Senior Vice President |
Convert↓
Filing footnotes — Performance Share Units (Direct)
Performance Share Units (PSUs) awarded October 11, 2023, achieved a 148% payout based on total shareholder return (TSR) relative to a peer group. The peer group consisted of the companies of the GICS 45301020 (Semiconductors) not including companies traded on the Pink Sheets LLC Exchange as of the beginning of the Performance Period with the relative TSR measured over a three-year period. The payout was certified, and shares issued on October 11, 2026. Each PSU is convertible to one share of common stock. |
Performance Share Units
|
10,986 |
| 2026-10-05 | Milzcik Gregory F |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Quarterly stock grant under the 2021 Omnibus Incentive Plan. |
Common Stock
|
493 |
| 2026-10-05 | Dignam Denise |
Director, Chief Executive Officer |
Award↑
Filing footnotes — Common Stock (Direct)
Quarterly stock grant under the 2021 Omnibus Incentive Plan. |
Common Stock
|
493 |
| 2026-10-05 | Kong Peter T M |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Quarterly stock grant under the 2021 Omnibus Incentive Plan. |
Common Stock
|
493 |
| 2026-10-05 | RICHARDSON DAVID JEFFREY |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Quarterly stock grant under the 2021 Omnibus Incentive Plan. |
Common Stock
|
493 |
| 2026-10-05 | Olson Jon A |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Quarterly stock grant under the 2021 Omnibus Incentive Plan. |
Common Stock
|
493 |
| 2026-10-05 | Yeo Mui Sung |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Quarterly stock grant under the 2021 Omnibus Incentive Plan. |
Common Stock
|
493 |
| 2026-09-01 | Wong Lester A |
Interim CEO and CFO |
Award↑
Filing footnotes — Common Stock (Direct)
Grant under the 2021 Omnibus Incentive Plan. Shares will vest on September 1, 2027. |
Common Stock
|
6,038 |
| 2026-09-01 | Talluri Rajendra K |
Director, President and CEO |
Award↑
Filing footnotes — Common Stock (Direct)
Grant under the 2021 Omnibus Incentive Plan. One-third of the shares granted vest on each anniversary of the date of grant. |
Common Stock
|
89,697 |
| 2026-07-06 | Olson Jon A |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Quarterly stock grant under the 2021 Omnibus Incentive Plan. |
Common Stock
|
407 |
| 2026-07-06 | Yeo Mui Sung |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Quarterly stock grant under the 2021 Omnibus Incentive Plan. |
Common Stock
|
407 |
| 2026-07-06 | Milzcik Gregory F |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Quarterly stock grant under the 2021 Omnibus Incentive Plan. |
Common Stock
|
407 |
| 2026-07-06 | RICHARDSON DAVID JEFFREY |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Quarterly stock grant under the 2021 Omnibus Incentive Plan. |
Common Stock
|
407 |
| 2026-07-06 | Dignam Denise |
Director, Chief Executive Officer |
Award↑
Filing footnotes — Common Stock (Direct)
Quarterly stock grant under the 2021 Omnibus Incentive Plan. |
Common Stock
|
407 |
| 2026-07-06 | Kong Peter T M |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Quarterly stock grant under the 2021 Omnibus Incentive Plan. |
Common Stock
|
407 |
| 2026-06-18 | Wong Lester A |
Interim CEO and CFO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $121.2350 to $122.5100, inclusive. |
Common Stock
|
60,000 |
| 2026-06-12 | WONG NELSON MUNPUN |
Senior Vice President |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $112.00 to $115.05, inclusive. |
Common Stock
|
15,000 |
| 2026-06-11 | Kong Peter T M |
Director |
Sell↓
|
Common Stock
|
1,551 |
| 2026-05-20 | Yeo Mui Sung |
Director |
Sell↓
|
Common Stock
|
20,000 |
| 2026-05-11 | Lim Zi Yao |
General Counsel |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $102.75 to $103.10, inclusive. |
Common Stock
|
1,500 |
| 2026-04-06 | RICHARDSON DAVID JEFFREY |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
This Form 4 is being filed late due to administrative error. Quarterly stock grant under the 2021 Omnibus Incentive Plan. |
Common Stock
|
675 |
| 2026-04-06 | Milzcik Gregory F |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
This Form 4 is being filed late due to administrative error. Quarterly stock grant under the 2021 Omnibus Incentive Plan. |
Common Stock
|
675 |
| 2026-04-06 | Kong Peter T M |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
This Form 4 is being filed late due to administrative error. Quarterly stock grant under the 2021 Omnibus Incentive Plan. |
Common Stock
|
675 |
| 2026-04-06 | Dignam Denise |
Director, Chief Executive Officer |
Award↑
Filing footnotes — Common Stock (Direct)
This Form 4 is being filed late due to administrative error. Quarterly stock grant under the 2021 Omnibus Incentive Plan. |
Common Stock
|
675 |
| 2026-04-06 | Olson Jon A |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
This Form 4 is being filed late due to administrative error. Quarterly stock grant under the 2021 Omnibus Incentive Plan. |
Common Stock
|
675 |
| 2026-04-06 | Yeo Mui Sung |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
This Form 4 is being filed late due to administrative error. Quarterly stock grant under the 2021 Omnibus Incentive Plan. |
Common Stock
|
675 |
| 2026-02-25 | RICHARDSON DAVID JEFFREY |
Director |
Sell↓
Filing footnotes — Common Stock (Indirect)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $71.95 to $72.35, inclusive. |
Common Stock
(I)
|
9,364 |
| 2026-02-13 | Yeo Mui Sung |
Director |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $71.65 to $72.43, inclusive. |
Common Stock
|
19,143 |
| 2026-02-10 | Chylak Robert Nestor |
Senior Vice President |
Sell↓
|
Common Stock
|
7,098 |
| 2026-02-09 | Lim Zi Yao |
General Counsel |
Sell↓
|
Common Stock
|
1,000 |
| 2026-02-05 | WONG NELSON MUNPUN |
Senior Vice President |
Sell↓
Filing footnotes — Common Stock (Direct)
The shares covered by this Form 4 were sold pursuant to a Rule 10b5-1(c) sales plan dated December 2, 2024. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $60.00 to $63.48, inclusive. |
Common Stock
|
39,800 |
| 2026-01-22 | WONG NELSON MUNPUN |
Senior Vice President |
Sell↓
Filing footnotes — Common Stock (Direct)
The shares covered by this Form 4 were sold pursuant to a Rule 10b5-1(c) sales plan dated December 2, 2024 |
Common Stock
|
200 |
| 2026-01-12 | WONG NELSON MUNPUN |
Senior Vice President |
Sell↓
Filing footnotes — Common Stock (Direct)
The shares covered by this Form 4 were sold pursuant to a Rule 10b5-1(c) sales plan dated December 2, 2024 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $56.14 to $57.70, inclusive. |
Common Stock
|
30,000 |
| 2026-01-05 | Yeo Mui Sung |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Quarterly stock grant under the 2021 Omnibus Incentive Plan. |
Common Stock
|
876 |
| 2026-01-05 | Milzcik Gregory F |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Quarterly stock grant under the 2021 Omnibus Incentive Plan. |
Common Stock
|
876 |
| 2026-01-05 | Olson Jon A |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Quarterly stock grant under the 2021 Omnibus Incentive Plan. |
Common Stock
|
876 |