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Wong Lester A

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1221
SEC CIK
0001529306

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CompanyLast reported asReport datePublished
KULICKE & SOFFA INDUSTRIES INCKLIC · Entity 1220CFOOctober 11, 2026October 13, 2026

Disclosed balances

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Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

KULICKE & SOFFA INDUSTRIES INC

Report date October 11, 2026 · Filed October 13, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect76,006 Reported balance After 2026-10-11 transaction · row 1
1 source row

Row 1 · 2026-10-11 · Exercise / conversion · Acquired 19,225 · Balance 76,006

F1: 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 UnitsSEC Table II · derivative / convertible securityDirect0 Reported balance After 2026-10-11 transaction · row 2 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 2 · 2026-10-11 · Exercise / conversion · Disposed 19,225 · Balance 0

F1: 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.

Filing footnotes · ownership attribution and instrument terms

F1: 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.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
November 07, 2020 Filed Nov 10, 2020 14:39 UTC KULICKE & SOFFA INDUSTRIES INC KLIC · Entity 1220 Exercise / conversionCommon Stock 5,118 $0.00 $0.00
Disclosure

SEC source: 0000056978-20-000138 · wf-form4_160501914638836.xml · nonDerivative · entry 1

Wong Lester A · CIK 0001529306 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 158,578

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Performance Share Units (PSUs) awarded November 7, 2017 had its performance results certified, and then shares vested, on November 7, 2020 at 95% achievement 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 Performance Period with relative TSR measured over a three year period. Each PSU is convertible into one share of Kulicke and Soffa Industries Inc. common stock.

Read SEC document
October 07, 2020 Filed Oct 9, 2020 15:10 UTC KULICKE & SOFFA INDUSTRIES INC KLIC · Entity 1220 GrantCommon Stock 7,315 $0.00 $0.00
Disclosure

SEC source: 0000056978-20-000124 · wf-form4_160225619129220.xml · nonDerivative · entry 1

Wong Lester A · CIK 0001529306 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 153,460

F1 · shares: One-third of the shares granted vest on each anniversary of the date of grant.

Read SEC document
October 31, 2019 Filed Nov 4, 2019 15:34 UTC KULICKE & SOFFA INDUSTRIES INC KLIC · Entity 1220 Exercise / conversionPerformance Share Units · Derivative 17,224 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000056978-19-000119 · wf-form4_157288165535488.xml · derivative · entry 2

Wong Lester A · CIK 0001529306 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 17,224 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: Performance Share Units (PSUs) awarded October 31, 2016 had its performance results certified, and then shares vested, on October 31, 2019 at 141% achievement based on total shareholder return (TSR) relative to a peer group. The peer group consisted of companies of the GICS 45301020 (Semiconductors) not including companies traded on the Pink Sheets LLC Exchange as of the beginning of Performance Period, with relative TSR measured over a three year measurement period. Each PSU is convertible into one share of Kulicke and Soffa Industries Inc. common stock.

F1 · derivative.expiration_date: Performance Share Units (PSUs) awarded October 31, 2016 had its performance results certified, and then shares vested, on October 31, 2019 at 141% achievement based on total shareholder return (TSR) relative to a peer group. The peer group consisted of companies of the GICS 45301020 (Semiconductors) not including companies traded on the Pink Sheets LLC Exchange as of the beginning of Performance Period, with relative TSR measured over a three year measurement period. Each PSU is convertible into one share of Kulicke and Soffa Industries Inc. common stock.

Read SEC document
October 31, 2019 Filed Nov 4, 2019 15:34 UTC KULICKE & SOFFA INDUSTRIES INC KLIC · Entity 1220 Exercise / conversionCommon Stock 17,224 $0.00 $0.00
Disclosure

SEC source: 0000056978-19-000119 · wf-form4_157288165535488.xml · nonDerivative · entry 1

Wong Lester A · CIK 0001529306 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 146,145

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Performance Share Units (PSUs) awarded October 31, 2016 had its performance results certified, and then shares vested, on October 31, 2019 at 141% achievement based on total shareholder return (TSR) relative to a peer group. The peer group consisted of companies of the GICS 45301020 (Semiconductors) not including companies traded on the Pink Sheets LLC Exchange as of the beginning of Performance Period, with relative TSR measured over a three year measurement period. Each PSU is convertible into one share of Kulicke and Soffa Industries Inc. common stock.

Read SEC document
October 10, 2019 Filed Oct 15, 2019 13:50 UTC KULICKE & SOFFA INDUSTRIES INC KLIC · Entity 1220 GrantCommon Stock 7,129 $0.00 $0.00
Disclosure

SEC source: 0000056978-19-000109 · wf-form4_157114737198859.xml · nonDerivative · entry 1

Wong Lester A · CIK 0001529306 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 128,921

F1 · shares: One-third of the shares granted vest on each anniversary of the date of grant.

Read SEC document
January 02, 2019 Filed Jan 4, 2019 15:44 UTC KULICKE & SOFFA INDUSTRIES INC KLIC · Entity 1220 GrantCommon Stock 3,157 $0.00 $0.00
Disclosure

SEC source: 0000056978-19-000014 · wf-form4_154661664061098.xml · nonDerivative · entry 1

Wong Lester A · CIK 0001529306 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 121,792

F1 · shares: One-third of the shares granted vest on each anniversary of the date of grant.

Read SEC document
October 11, 2018 Filed Oct 15, 2018 15:50 UTC KULICKE & SOFFA INDUSTRIES INC KLIC · Entity 1220 GrantCommon Stock 7,832 $0.00 $0.00
Disclosure

SEC source: 0000056978-18-000130 · wf-form4_153961859726282.xml · nonDerivative · entry 1

Wong Lester A · CIK 0001529306 · Sr Vice President, Interim CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 118,635

F1 · shares: One-third of the shares granted vest on each anniversary of the date of grant.

Read SEC document
October 06, 2018 Filed Oct 9, 2018 10:10 UTC KULICKE & SOFFA INDUSTRIES INC KLIC · Entity 1220 Exercise / conversionPerformance Share Units · Derivative 27,263 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000056978-18-000112 · wf-form4_153907982875302.xml · derivative · entry 2

Wong Lester A · CIK 0001529306 · Sr Vice President, Interim CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 27,263 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: Performance Share Units (PSUs) awarded October 6, 2015 had its performance results certified, and then shares vested, on October 6, 2018 at 183% achievement 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 Performance Period with relative TSR measured over a three year period. Each PSU is convertible into one share of Kulicke and Soffa Industries Inc. common stock.

F1 · derivative.expiration_date: Performance Share Units (PSUs) awarded October 6, 2015 had its performance results certified, and then shares vested, on October 6, 2018 at 183% achievement 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 Performance Period with relative TSR measured over a three year period. Each PSU is convertible into one share of Kulicke and Soffa Industries Inc. common stock.

Read SEC document
October 06, 2018 Filed Oct 9, 2018 10:10 UTC KULICKE & SOFFA INDUSTRIES INC KLIC · Entity 1220 Exercise / conversionCommon Stock 27,263 $0.00 $0.00
Disclosure

SEC source: 0000056978-18-000112 · wf-form4_153907982875302.xml · nonDerivative · entry 1

Wong Lester A · CIK 0001529306 · Sr Vice President, Interim CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 110,803

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Performance Share Units (PSUs) awarded October 6, 2015 had its performance results certified, and then shares vested, on October 6, 2018 at 183% achievement 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 Performance Period with relative TSR measured over a three year period. Each PSU is convertible into one share of Kulicke and Soffa Industries Inc. common stock.

Read SEC document
November 27, 2017 Filed Nov 29, 2017 14:04 UTC KULICKE & SOFFA INDUSTRIES INC KLIC · Entity 1220 GrantCommon Stock 4,191 $0.00 $0.00
Disclosure

SEC source: 0000056978-17-000155 · wf-form4_151196427302797.xml · nonDerivative · entry 1

Wong Lester A · CIK 0001529306 · Sr Vice President, Interim CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 83,540

F1 · shares: One-third of the shares granted vest on each anniversary of the date of grant.

Read SEC document
October 08, 2017 Filed Oct 10, 2017 14:01 UTC KULICKE & SOFFA INDUSTRIES INC KLIC · Entity 1220 Exercise / conversionPerformance Share Units · Derivative 6,933 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000056978-17-000139 · wf-form4_150764405468338.xml · derivative · entry 2

Wong Lester A · CIK 0001529306 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,933 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: Performance Share Units (PSUs) awarded October 8, 2014 had its performance results certified, and then shares vested, on October 8, 2017 at 55% achievement based on total shareholder return (TSR) relative to a peer group. The peer group consisted of the Philadelphia Semiconductor Index (SOX) companies at grant, with relative TSR measured over a three year measurement period. Each PSU is convertible into one share of Kulicke and Soffa Industries Inc. common stock.

F1 · derivative.expiration_date: Performance Share Units (PSUs) awarded October 8, 2014 had its performance results certified, and then shares vested, on October 8, 2017 at 55% achievement based on total shareholder return (TSR) relative to a peer group. The peer group consisted of the Philadelphia Semiconductor Index (SOX) companies at grant, with relative TSR measured over a three year measurement period. Each PSU is convertible into one share of Kulicke and Soffa Industries Inc. common stock.

Read SEC document
October 08, 2017 Filed Oct 10, 2017 14:01 UTC KULICKE & SOFFA INDUSTRIES INC KLIC · Entity 1220 Exercise / conversionCommon Stock 6,933 $0.00 $0.00
Disclosure

SEC source: 0000056978-17-000139 · wf-form4_150764405468338.xml · nonDerivative · entry 1

Wong Lester A · CIK 0001529306 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,349

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Performance Share Units (PSUs) awarded October 8, 2014 had its performance results certified, and then shares vested, on October 8, 2017 at 55% achievement based on total shareholder return (TSR) relative to a peer group. The peer group consisted of the Philadelphia Semiconductor Index (SOX) companies at grant, with relative TSR measured over a three year measurement period. Each PSU is convertible into one share of Kulicke and Soffa Industries Inc. common stock.

Read SEC document
October 02, 2017 Filed Oct 4, 2017 15:22 UTC KULICKE & SOFFA INDUSTRIES INC KLIC · Entity 1220 GrantCommon Stock 7,184 $0.00 $0.00
Disclosure

SEC source: 0000056978-17-000125 · wf-form4_150713053224501.xml · nonDerivative · entry 1

Wong Lester A · CIK 0001529306 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,416

F1 · shares: One-third of the shares granted vest on each anniversary of the date of grant.

Read SEC document
December 06, 2016 Filed Dec 8, 2016 13:12 UTC KULICKE & SOFFA INDUSTRIES INC KLIC · Entity 1220 SaleCommon Stock 100 $16.04 $1,604.00
Disclosure

SEC source: 0000056978-16-000253 · wf-form4_148120271585584.xml · nonDerivative · entry 11

Wong Lester A · CIK 0001529306 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,232

Read SEC document
December 06, 2016 Filed Dec 8, 2016 13:12 UTC KULICKE & SOFFA INDUSTRIES INC KLIC · Entity 1220 SaleCommon Stock 300 $16.02 $4,806.00
Disclosure

SEC source: 0000056978-16-000253 · wf-form4_148120271585584.xml · nonDerivative · entry 10

Wong Lester A · CIK 0001529306 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,332

Read SEC document
December 06, 2016 Filed Dec 8, 2016 13:12 UTC KULICKE & SOFFA INDUSTRIES INC KLIC · Entity 1220 SaleCommon Stock 100 $16.01 $1,601.00
Disclosure

SEC source: 0000056978-16-000253 · wf-form4_148120271585584.xml · nonDerivative · entry 9

Wong Lester A · CIK 0001529306 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,632

Read SEC document
December 06, 2016 Filed Dec 8, 2016 13:12 UTC KULICKE & SOFFA INDUSTRIES INC KLIC · Entity 1220 SaleCommon Stock 100 $15.97 $1,597.00
Disclosure

SEC source: 0000056978-16-000253 · wf-form4_148120271585584.xml · nonDerivative · entry 8

Wong Lester A · CIK 0001529306 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,732

Read SEC document
December 06, 2016 Filed Dec 8, 2016 13:12 UTC KULICKE & SOFFA INDUSTRIES INC KLIC · Entity 1220 SaleCommon Stock 200 $15.96 $3,192.00
Disclosure

SEC source: 0000056978-16-000253 · wf-form4_148120271585584.xml · nonDerivative · entry 7

Wong Lester A · CIK 0001529306 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,832

Read SEC document
December 06, 2016 Filed Dec 8, 2016 13:12 UTC KULICKE & SOFFA INDUSTRIES INC KLIC · Entity 1220 SaleCommon Stock 89 $15.94 $1,418.66
Disclosure

SEC source: 0000056978-16-000253 · wf-form4_148120271585584.xml · nonDerivative · entry 6

Wong Lester A · CIK 0001529306 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,032

Read SEC document
December 06, 2016 Filed Dec 8, 2016 13:12 UTC KULICKE & SOFFA INDUSTRIES INC KLIC · Entity 1220 SaleCommon Stock 200 $15.93 $3,186.00
Disclosure

SEC source: 0000056978-16-000253 · wf-form4_148120271585584.xml · nonDerivative · entry 5

Wong Lester A · CIK 0001529306 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,121

Read SEC document
December 06, 2016 Filed Dec 8, 2016 13:12 UTC KULICKE & SOFFA INDUSTRIES INC KLIC · Entity 1220 SaleCommon Stock 900 $15.92 $14,328.00
Disclosure

SEC source: 0000056978-16-000253 · wf-form4_148120271585584.xml · nonDerivative · entry 4

Wong Lester A · CIK 0001529306 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,321

Read SEC document
December 06, 2016 Filed Dec 8, 2016 13:12 UTC KULICKE & SOFFA INDUSTRIES INC KLIC · Entity 1220 SaleCommon Stock 900 $15.92 $14,323.50
Disclosure

SEC source: 0000056978-16-000253 · wf-form4_148120271585584.xml · nonDerivative · entry 3

Wong Lester A · CIK 0001529306 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,221

Read SEC document
December 06, 2016 Filed Dec 8, 2016 13:12 UTC KULICKE & SOFFA INDUSTRIES INC KLIC · Entity 1220 SaleCommon Stock 1,300 $15.91 $20,683.00
Disclosure

SEC source: 0000056978-16-000253 · wf-form4_148120271585584.xml · nonDerivative · entry 2

Wong Lester A · CIK 0001529306 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 68,121

Read SEC document
December 06, 2016 Filed Dec 8, 2016 13:12 UTC KULICKE & SOFFA INDUSTRIES INC KLIC · Entity 1220 SaleCommon Stock 5,811 $15.90 $92,394.90
Disclosure

SEC source: 0000056978-16-000253 · wf-form4_148120271585584.xml · nonDerivative · entry 1

Wong Lester A · CIK 0001529306 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,421

Read SEC document
October 31, 2016 Filed Nov 2, 2016 17:56 UTC KULICKE & SOFFA INDUSTRIES INC KLIC · Entity 1220 GrantCommon Stock 12,216 $0.00 $0.00
Disclosure

SEC source: 0000056978-16-000230 · wf-form4_147810938100710.xml · nonDerivative · entry 1

Wong Lester A · CIK 0001529306 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,232

F1 · shares: One-third of the shares granted vest on each anniversary of the date of grant.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.