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WALKER CLIFFORD

Disclosed activity across 1 company

Tapewire entity
81084
SEC CIK
0001182413

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
POWER INTEGRATIONS INCPOWI · Entity 4280VP Corporate DevelopmentApril 02, 2025April 04, 2025

Disclosed balances

About these balances

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.

POWER INTEGRATIONS INC

Report date April 02, 2025 · Filed April 04, 2025

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect141,765 Reported balance After 2025-04-02 transaction · row 1
1 source row

Row 1 · 2025-04-02 · Sale · Disposed 1,088 · Balance 141,765

F1: Represents the automatic sale of stock to cover the tax liability associated with the vesting of a Restricted Stock Award.

Filing footnotes · ownership attribution and instrument terms

F1: Represents the automatic sale of stock to cover the tax liability associated with the vesting of a Restricted Stock Award.

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
February 18, 2020 Filed Feb 21, 2020 00:04 UTC POWER INTEGRATIONS INC POWI · Entity 4280 SaleCommon Stock 8,000 $103.14 $825,151.20
Disclosure

SEC source: 0000833640-20-000110 · edgardoc.xml · nonDerivative · entry 1

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 62,528

Read SEC document
February 14, 2020 Filed Feb 18, 2020 19:36 UTC POWER INTEGRATIONS INC POWI · Entity 4280 SaleCommon Stock 971 $105.71 $102,646.45
Disclosure

SEC source: 0000833640-20-000102 · edgardoc.xml · nonDerivative · entry 1

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,528

F1 · shares: Represents the automatic sale of stock to cover the tax liability associated with the vesting of a Restricted Stock Award.

Read SEC document
February 13, 2020 Filed Feb 18, 2020 18:57 UTC POWER INTEGRATIONS INC POWI · Entity 4280 SaleCommon Stock 655 $108.62 $71,147.67
Disclosure

SEC source: 0000833640-20-000090 · edgardoc.xml · nonDerivative · entry 1

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 71,499

F1 · shares: Represents the automatic sale of stock to cover the tax liability associated with the vesting of a Restricted Stock Award.

Read SEC document
February 07, 2020 Filed Feb 11, 2020 02:23 UTC POWER INTEGRATIONS INC POWI · Entity 4280 SaleCommon Stock 1,026 $102.75 $105,416.37
Disclosure

SEC source: 0000833640-20-000061 · edgardoc.xml · nonDerivative · entry 3

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,154

F2 · shares: Represents the automatic sale of stock to cover the tax liability associated with the vesting of a Performance Stock Unit.

Read SEC document
February 06, 2020 Filed Feb 11, 2020 02:23 UTC POWER INTEGRATIONS INC POWI · Entity 4280 GrantCommon Stock 2,879 $0.00 $0.00
Disclosure

SEC source: 0000833640-20-000061 · edgardoc.xml · nonDerivative · entry 2

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,180

F1 · shares: The reporting person was granted a Performance Stock Unit. The Performance Stock Unit vests based on Power Integrations satisfaction of certain performance conditions.The performance conditions for 2019 were met.

Read SEC document
February 04, 2020 Filed Feb 6, 2020 22:11 UTC POWER INTEGRATIONS INC POWI · Entity 4280 SaleCommon Stock 286 $100.91 $28,858.83
Disclosure

SEC source: 0000833640-20-000042 · edgardoc.xml · nonDerivative · entry 1

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,501

F1 · shares: Represents the automatic sale of stock to cover the tax liability associated with the vesting of a Restricted Stock Award.

Read SEC document
February 04, 2020 Filed Feb 11, 2020 02:23 UTC POWER INTEGRATIONS INC POWI · Entity 4280 GrantCommon Stock 4,800 $0.00 $0.00
Disclosure

SEC source: 0000833640-20-000061 · edgardoc.xml · nonDerivative · entry 1

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,301

Read SEC document
January 28, 2020 Filed Jan 30, 2020 22:16 UTC POWER INTEGRATIONS INC POWI · Entity 4280 SaleCommon Stock 1,241 $99.01 $122,866.07
Disclosure

SEC source: 0000833640-20-000024 · edgardoc.xml · nonDerivative · entry 1

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,649

F1 · shares: Represents the automatic sale of stock to cover the tax liability associated with the vesting of a Restricted Stock Award.

Read SEC document
November 26, 2019 Filed Nov 27, 2019 22:15 UTC POWER INTEGRATIONS INC POWI · Entity 4280 SaleCommon Stock 5,000 $93.77 $468,839.00
Disclosure

SEC source: 0000833640-19-000210 · edgardoc.xml · nonDerivative · entry 1

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,890

Read SEC document
July 30, 2019 Filed Aug 1, 2019 20:16 UTC POWER INTEGRATIONS INC POWI · Entity 4280 SaleCommon Stock 10,000 $86.62 $866,217.00
Disclosure

SEC source: 0000833640-19-000148 · edgardoc.xml · nonDerivative · entry 1

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 71,702

Read SEC document
May 01, 2019 Filed May 2, 2019 16:07 UTC POWER INTEGRATIONS INC POWI · Entity 4280 SaleCommon Stock 10,000 $78.76 $787,564.00
Disclosure

SEC source: 0000833640-19-000110 · edgardoc.xml · nonDerivative · entry 2

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,702

Read SEC document
May 01, 2019 Filed May 2, 2019 16:07 UTC POWER INTEGRATIONS INC POWI · Entity 4280 GiftCommon Stock 440 $0.00 $0.00
Disclosure

SEC source: 0000833640-19-000110 · edgardoc.xml · nonDerivative · entry 1

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,702

Read SEC document
April 02, 2019 Filed Apr 2, 2019 23:17 UTC POWER INTEGRATIONS INC POWI · Entity 4280 SaleCommon Stock 754 $71.11 $53,615.13
Disclosure

SEC source: 0000833640-19-000102 · edgardoc.xml · nonDerivative · entry 1

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,142

F1 · shares: Represents the automatic sale of stock to cover the tax liability associated with the vesting of a Restricted Stock Award.

Read SEC document
February 14, 2019 Filed Feb 15, 2019 00:58 UTC POWER INTEGRATIONS INC POWI · Entity 4280 SaleCommon Stock 660 $70.08 $46,255.57
Disclosure

SEC source: 0000833640-19-000064 · edgardoc.xml · nonDerivative · entry 7

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,896

F3 · shares: Represents the automatic sale of stock to cover the tax liability associated with the vesting of a Restricted Stock Award.

Read SEC document
February 14, 2019 Filed Feb 15, 2019 00:58 UTC POWER INTEGRATIONS INC POWI · Entity 4280 SaleCommon Stock 1,969 $70.08 $137,995.79
Disclosure

SEC source: 0000833640-19-000064 · edgardoc.xml · nonDerivative · entry 6

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 93,556

F2 · shares: Represents the automatic sale of stock to cover the tax liability associated with the vesting of a Performance Stock Unit.

Read SEC document
February 14, 2019 Filed Feb 15, 2019 00:58 UTC POWER INTEGRATIONS INC POWI · Entity 4280 SaleCommon Stock 651 $70.08 $45,624.81
Disclosure

SEC source: 0000833640-19-000064 · edgardoc.xml · nonDerivative · entry 5

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 95,525

F2 · shares: Represents the automatic sale of stock to cover the tax liability associated with the vesting of a Performance Stock Unit.

Read SEC document
February 13, 2019 Filed Feb 15, 2019 00:58 UTC POWER INTEGRATIONS INC POWI · Entity 4280 GrantCommon Stock 5,598 $0.00 $0.00
Disclosure

SEC source: 0000833640-19-000064 · edgardoc.xml · nonDerivative · entry 4

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 96,176

F1 · shares: The reporting person was granted a Performance Stock Unit. The Performance Stock Unit vests based on Power Integrations satisfaction of certain performance conditions. The performance conditions for 2018 were met.

Read SEC document
February 13, 2019 Filed Feb 15, 2019 00:58 UTC POWER INTEGRATIONS INC POWI · Entity 4280 GrantCommon Stock 1,320 $0.00 $0.00
Disclosure

SEC source: 0000833640-19-000064 · edgardoc.xml · nonDerivative · entry 3

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 90,578

F1 · shares: The reporting person was granted a Performance Stock Unit. The Performance Stock Unit vests based on Power Integrations satisfaction of certain performance conditions. The performance conditions for 2018 were met.

Read SEC document
February 12, 2019 Filed Feb 15, 2019 00:58 UTC POWER INTEGRATIONS INC POWI · Entity 4280 GrantCommon Stock 7,500 $0.00 $0.00
Disclosure

SEC source: 0000833640-19-000064 · edgardoc.xml · nonDerivative · entry 2

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 89,258

Read SEC document
February 12, 2019 Filed Feb 15, 2019 00:58 UTC POWER INTEGRATIONS INC POWI · Entity 4280 SaleCommon Stock 5,000 $68.62 $343,102.00
Disclosure

SEC source: 0000833640-19-000064 · edgardoc.xml · nonDerivative · entry 1

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,758

Read SEC document
February 04, 2019 Filed Feb 6, 2019 16:40 UTC POWER INTEGRATIONS INC POWI · Entity 4280 SaleCommon Stock 655 $66.10 $43,295.83
Disclosure

SEC source: 0000833640-19-000039 · edgardoc.xml · nonDerivative · entry 1

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 86,758

F1 · shares: Represents the automatic sale of stock to cover the tax liability associated with the vesting of a Restricted Stock Award.

Read SEC document
January 28, 2019 Filed Jan 30, 2019 22:09 UTC POWER INTEGRATIONS INC POWI · Entity 4280 SaleCommon Stock 888 $65.18 $57,876.02
Disclosure

SEC source: 0000833640-19-000012 · edgardoc.xml · nonDerivative · entry 2

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 87,237

F1 · shares: Represents the automatic sale of stock to cover the tax liability associated with the vesting of a Restricted Stock Award.

Read SEC document
January 28, 2019 Filed Jan 30, 2019 22:09 UTC POWER INTEGRATIONS INC POWI · Entity 4280 SaleCommon Stock 712 $65.18 $46,405.10
Disclosure

SEC source: 0000833640-19-000012 · edgardoc.xml · nonDerivative · entry 1

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 88,125

F1 · shares: Represents the automatic sale of stock to cover the tax liability associated with the vesting of a Restricted Stock Award.

Read SEC document
November 05, 2018 Filed Nov 7, 2018 21:16 UTC POWER INTEGRATIONS INC POWI · Entity 4280 SaleCommon Stock 152 $57.62 $8,758.42
Disclosure

SEC source: 0000833640-18-000230 · edgardoc.xml · nonDerivative · entry 1

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 88,672

F1 · shares: Represents the automatic sale of stock to cover the tax liability associated with the vesting of a Restricted Stock Award.

Read SEC document
August 31, 2018 Filed Sep 4, 2018 17:31 UTC POWER INTEGRATIONS INC POWI · Entity 4280 SaleCommon Stock 1,984 $72.45 $143,742.19
Disclosure

SEC source: 0000833640-18-000211 · edgardoc.xml · nonDerivative · entry 1

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 88,824

Read SEC document
April 02, 2018 Filed Apr 4, 2018 16:27 UTC POWER INTEGRATIONS INC POWI · Entity 4280 SaleCommon Stock 760 $67.08 $50,978.67
Disclosure

SEC source: 0000833640-18-000128 · edgardoc.xml · nonDerivative · entry 1

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 90,808

F1 · shares: Represents the automatic sale of stock to cover the tax liability associated with the vesting of a Restricted Stock Award.

Read SEC document
February 15, 2018 Filed Feb 20, 2018 21:22 UTC POWER INTEGRATIONS INC POWI · Entity 4280 SaleCommon Stock 2,642 $63.23 $167,046.26
Disclosure

SEC source: 0000833640-18-000098 · edgardoc.xml · nonDerivative · entry 1

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,568

F1 · shares: Represents the automatic sale of stock to cover the tax liability associated with the vesting of a Performance Stock Unit.

Read SEC document
February 13, 2018 Filed Feb 16, 2018 00:17 UTC POWER INTEGRATIONS INC POWI · Entity 4280 GrantCommon Stock 7,500 $0.00 $0.00
Disclosure

SEC source: 0000833640-18-000083 · edgardoc.xml · nonDerivative · entry 1

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 94,210

Read SEC document
February 05, 2018 Filed Feb 7, 2018 22:12 UTC POWER INTEGRATIONS INC POWI · Entity 4280 SaleCommon Stock 657 $66.41 $43,633.87
Disclosure

SEC source: 0000833640-18-000064 · edgardoc.xml · nonDerivative · entry 1

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 86,536

F1 · shares: Represents the automatic sale of stock to cover the tax liability associated with the vesting of a Restricted Stock Award.

Read SEC document
February 01, 2018 Filed Feb 2, 2018 18:18 UTC POWER INTEGRATIONS INC POWI · Entity 4280 GrantCommon Stock 7,082 $0.00 $0.00
Disclosure

SEC source: 0000833640-18-000048 · edgardoc.xml · nonDerivative · entry 1

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 87,193

F1 · shares: The reporting person was granted a Performance Stock Unit. The Performance Stock Unit vests based on Power Integrations satisfaction of certain performance conditions. The performance conditions for 2017 were met, resulting in vesting of the Performance Stock Unit with delivery to occur within 30 days.

Read SEC document
January 30, 2018 Filed Jan 31, 2018 21:10 UTC POWER INTEGRATIONS INC POWI · Entity 4280 SaleCommon Stock 530 $76.46 $40,525.18
Disclosure

SEC source: 0000833640-18-000030 · edgardoc.xml · nonDerivative · entry 1

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,111

F1 · shares: Represents the automatic sale of stock to cover the tax liability associated with the vesting of a Restricted Stock Award.

Read SEC document
January 29, 2018 Filed Jan 30, 2018 20:52 UTC POWER INTEGRATIONS INC POWI · Entity 4280 SaleCommon Stock 853 $77.49 $66,096.84
Disclosure

SEC source: 0000833640-18-000012 · edgardoc.xml · nonDerivative · entry 2

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,641

F1 · shares: Represents the automatic sale of stock to cover the tax liability associated with the vesting of a Restricted Stock Award.

Read SEC document
January 29, 2018 Filed Jan 30, 2018 20:52 UTC POWER INTEGRATIONS INC POWI · Entity 4280 SaleCommon Stock 703 $77.49 $54,473.71
Disclosure

SEC source: 0000833640-18-000012 · edgardoc.xml · nonDerivative · entry 1

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,494

F1 · shares: Represents the automatic sale of stock to cover the tax liability associated with the vesting of a Restricted Stock Award.

Read SEC document
November 03, 2017 Filed Nov 7, 2017 22:04 UTC POWER INTEGRATIONS INC POWI · Entity 4280 SaleCommon Stock 157 $81.11 $12,734.77
Disclosure

SEC source: 0000833640-17-000211 · edgardoc.xml · nonDerivative · entry 1

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,197

F1 · shares: Represents the automatic sale of stock to cover the tax liability associated with the vesting of a Restricted Stock Award.

Read SEC document
May 04, 2017 Filed May 5, 2017 23:33 UTC POWER INTEGRATIONS INC POWI · Entity 4280 GrantCommon Stock 12,000 $0.00 $0.00
Disclosure

SEC source: 0000833640-17-000135 · edgardoc.xml · nonDerivative · entry 1

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,354

Read SEC document
February 22, 2017 Filed Feb 23, 2017 18:56 UTC POWER INTEGRATIONS INC POWI · Entity 4280 Exercise / conversionIncentive Stock Option (right to buy) · Derivative 2,504 $0.00 Strike: $42.88 $0.00
Disclosure

SEC source: 0000833640-17-000098 · edgardoc.xml · derivative · entry 11

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,504 shares

Expires 2022-05-08

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.

Read SEC document
February 22, 2017 Filed Feb 23, 2017 18:56 UTC POWER INTEGRATIONS INC POWI · Entity 4280 Exercise / conversionIncentive Stock Option (right to buy) · Derivative 7,736 $0.00 Strike: $36.95 $0.00
Disclosure

SEC source: 0000833640-17-000098 · edgardoc.xml · derivative · entry 10

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 7,736 shares

Expires 2021-05-05

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.

Read SEC document
February 22, 2017 Filed Feb 23, 2017 18:56 UTC POWER INTEGRATIONS INC POWI · Entity 4280 SaleCommon Stock 7,736 $66.00 $510,576.00
Disclosure

SEC source: 0000833640-17-000098 · edgardoc.xml · nonDerivative · entry 8

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,354

Read SEC document
February 22, 2017 Filed Feb 23, 2017 18:56 UTC POWER INTEGRATIONS INC POWI · Entity 4280 Exercise / conversionCommon Stock 7,736 $36.95 $285,845.20
Disclosure

SEC source: 0000833640-17-000098 · edgardoc.xml · nonDerivative · entry 7

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 78,090

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.

Read SEC document
February 22, 2017 Filed Feb 23, 2017 18:56 UTC POWER INTEGRATIONS INC POWI · Entity 4280 SaleCommon Stock 2,504 $66.00 $165,264.00
Disclosure

SEC source: 0000833640-17-000098 · edgardoc.xml · nonDerivative · entry 6

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,354

Read SEC document
February 22, 2017 Filed Feb 23, 2017 18:56 UTC POWER INTEGRATIONS INC POWI · Entity 4280 Exercise / conversionCommon Stock 2,504 $42.88 $107,371.52
Disclosure

SEC source: 0000833640-17-000098 · edgardoc.xml · nonDerivative · entry 5

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,858

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.

Read SEC document
February 21, 2017 Filed Feb 23, 2017 18:56 UTC POWER INTEGRATIONS INC POWI · Entity 4280 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 4,092 $0.00 Strike: $42.88 $0.00
Disclosure

SEC source: 0000833640-17-000098 · edgardoc.xml · derivative · entry 12

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,092 shares

Expires 2022-05-08

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.

Read SEC document
February 21, 2017 Filed Feb 23, 2017 18:56 UTC POWER INTEGRATIONS INC POWI · Entity 4280 Exercise / conversionIncentive Stock Option (right to buy) · Derivative 3,382 $0.00 Strike: $36.95 $0.00
Disclosure

SEC source: 0000833640-17-000098 · edgardoc.xml · derivative · entry 9

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,736

Underlying: Common Stock · 3,382 shares

Expires 2021-05-05

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.

Read SEC document
February 21, 2017 Filed Feb 23, 2017 18:56 UTC POWER INTEGRATIONS INC POWI · Entity 4280 SaleCommon Stock 4,092 $66.00 $270,072.00
Disclosure

SEC source: 0000833640-17-000098 · edgardoc.xml · nonDerivative · entry 4

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,354

Read SEC document
February 21, 2017 Filed Feb 23, 2017 18:56 UTC POWER INTEGRATIONS INC POWI · Entity 4280 Exercise / conversionCommon Stock 4,092 $42.88 $175,464.96
Disclosure

SEC source: 0000833640-17-000098 · edgardoc.xml · nonDerivative · entry 3

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,446

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.

Read SEC document
February 21, 2017 Filed Feb 23, 2017 18:56 UTC POWER INTEGRATIONS INC POWI · Entity 4280 SaleCommon Stock 3,382 $66.00 $223,212.00
Disclosure

SEC source: 0000833640-17-000098 · edgardoc.xml · nonDerivative · entry 2

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,354

Read SEC document
February 21, 2017 Filed Feb 23, 2017 18:56 UTC POWER INTEGRATIONS INC POWI · Entity 4280 Exercise / conversionCommon Stock 3,382 $36.95 $124,964.90
Disclosure

SEC source: 0000833640-17-000098 · edgardoc.xml · nonDerivative · entry 1

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,736

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.

Read SEC document
February 13, 2017 Filed Feb 14, 2017 17:39 UTC POWER INTEGRATIONS INC POWI · Entity 4280 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 800 $0.00 Strike: $42.88 $0.00
Disclosure

SEC source: 0000833640-17-000092 · edgardoc.xml · derivative · entry 3

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,092

Underlying: Common Stock · 800 shares

Expires 2022-05-08

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.

Read SEC document
February 13, 2017 Filed Feb 14, 2017 17:39 UTC POWER INTEGRATIONS INC POWI · Entity 4280 SaleCommon Stock 800 $67.03 $53,622.48
Disclosure

SEC source: 0000833640-17-000092 · edgardoc.xml · nonDerivative · entry 2

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,354

Read SEC document
February 13, 2017 Filed Feb 14, 2017 17:39 UTC POWER INTEGRATIONS INC POWI · Entity 4280 Exercise / conversionCommon Stock 800 $42.88 $34,304.00
Disclosure

SEC source: 0000833640-17-000092 · edgardoc.xml · nonDerivative · entry 1

WALKER CLIFFORD · CIK 0001182413 · VP Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 71,154

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.

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