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person · Reporting owner

Darby Tommy

Disclosed activity across 3 companies

Tapewire entity
17905
SEC CIK
0001719757

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
WESTLAKE CORPWLK · Entity 3555VP and CAOAugust 31, 2026September 01, 2026
Westlake Chemical Partners LPWLKP · Entity 5149VP and CAOAugust 31, 2026August 31, 2026

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.

WESTLAKE CORP

Report date August 31, 2026 · Filed September 01, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect1,791 Reported balance After 2026-08-31 transaction · row 1 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 1 · 2026-08-31 · Grant · Acquired 1,791 · Balance 1,791

F1: Each restricted stock unit ("RSU") represents a contingent right to recieve one share of the Issuer's common stock.

F2: All of the RSUs will vest on August 31, 2029.

Filing footnotes · ownership attribution and instrument terms

F1: Each restricted stock unit ("RSU") represents a contingent right to recieve one share of the Issuer's common stock.

F2: All of the RSUs will vest on August 31, 2029.

Westlake Chemical Partners LP

Report date August 31, 2026 · Filed August 31, 2026

This filing explicitly reported no securities owned.

Past disclosures · reporting ended (1)

No longer tracked through insider filings. These historical balances do not imply present ownership or a zero position.

Valaris Ltd

Report date May 17, 2020 · Filed May 19, 2020

Section 16 reporting ended · disclosed 2020-05-19. Current position is not established by this disclosure.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Class A Ordinary SharesSEC Table I · non-derivativeDirect3,730 Reported balance After 2020-05-17 transaction · row 1
1 source row

Row 1 · 2020-05-17 · Disposition to issuer · Disposed 454 · Balance 3,730

F1: Effective May 17, 2020, the reporting person's restricted shares previously granted by the Company were forfeited.

Restricted Share UnitsSEC Table II · derivative / convertible securityDirect0 Reported balance After 2020-05-17 transaction · row 3 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 3 · 2020-05-17 · Disposition to issuer · Disposed 73,624 · Balance 0

F2: Effective May 17, 2020, the reporting person's restricted share units previously granted by the Company were forfeited.

Class A Ordinary SharesSEC Table I · non-derivativeIndirectRepresents shares held by an immediate family member4,841 Reported balance Holding disclosure · report date 2020-05-17 · row 2 Holding and transaction disclosures are not merged.
1 source row

Row 2 · Balance 4,841

Filing footnotes · ownership attribution and instrument terms

F1: Effective May 17, 2020, the reporting person's restricted shares previously granted by the Company were forfeited.

F2: Effective May 17, 2020, the reporting person's restricted share units previously granted by the Company were forfeited.

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
June 01, 2018 Filed Jun 5, 2018 20:39 UTC Valaris Ltd ESV · Entity 3776 Exercise / conversionClass A Ordinary Shares 3,627 Not disclosed Not disclosed
Disclosure

SEC source: 0000314808-18-000101 · wf-form4_152823109523540.xml · nonDerivative · entry 2

Darby Tommy · CIK 0001719757 · Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,232

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.

F2 · price: On June 1, 2016, the reporting person was granted 18,135 restricted share units. Each Restricted Share Unit represents the economic equivalent of one Ensco Class A ordinary share and is settled in cash upon vesting. The Restricted Share Units vest in five equal annual installments beginning on the first anniversary of the grant date.

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June 01, 2018 Filed Jun 5, 2018 20:39 UTC Valaris Ltd ESV · Entity 3776 Tax withholdingClass A Ordinary Shares 351 $6.58 $2,309.58
Disclosure

SEC source: 0000314808-18-000101 · wf-form4_152823109523540.xml · nonDerivative · entry 1

Darby Tommy · CIK 0001719757 · Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,605

F1 · shares: These shares were withheld upon vesting to enable the reporting person to satisfy tax withholding obligations that arose upon such vesting, which will be paid by the issuer to the appropriate taxing authority in cash.

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March 01, 2018 Filed Mar 5, 2018 21:16 UTC Valaris Ltd ESV · Entity 3776 Tax withholdingClass A Ordinary Shares 95 $4.46 $423.70
Disclosure

SEC source: 0000314808-18-000029 · wf-form4_152028455256924.xml · nonDerivative · entry 1

Darby Tommy · CIK 0001719757 · Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,956

F1 · shares: The reporting person disposed of these shares to an affiliate of the issuer upon the vesting of previously awarded restricted shares. The purpose of the disposition was to enable the reporting person to satisfy tax withholding obligations that arose upon such vesting, which will be paid to the appropriate taxing authority in cash.

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December 03, 2017 Filed Dec 5, 2017 21:41 UTC Valaris Ltd ESV · Entity 3776 Tax withholdingClass A Ordinary Shares 76 $5.82 $442.32
Disclosure

SEC source: 0000314808-17-000160 · wf-form4_151251009550328.xml · nonDerivative · entry 1

Darby Tommy · CIK 0001719757 · Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,051

F1 · shares: The reporting person disposed of these shares to an affiliate of the issuer upon the vesting of previously awarded restricted shares. The purpose of the disposition was to enable the reporting person to satisfy tax withholding obligations that arose upon such vesting, which will be paid to the appropriate taxing authority in cash.

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October 31, 2017 Filed Nov 2, 2017 20:41 UTC Valaris Ltd ESV · Entity 3776 Tax withholdingClass A Ordinary Shares 111 $5.39 $598.29
Disclosure

SEC source: 0000314808-17-000146 · wf-form4_150965528901822.xml · nonDerivative · entry 1

Darby Tommy · CIK 0001719757 · Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,127

F1 · shares: The reporting person disposed of these shares to an affiliate of the issuer upon the vesting of previously awarded restricted shares. The purpose of the disposition was to enable the reporting person to satisfy tax withholding obligations that arose upon such vesting, which will be paid by the issuer to the Internal Revenue Service in cash.

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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.