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WOELFEL RANDY

Disclosed activity across 1 company

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23686
SEC CIK
0001431554

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Westlake Chemical Partners LPWLKP · Entity 5149DirectorAugust 12, 2026August 13, 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 Chemical Partners LP

Report date August 12, 2026 · Filed August 13, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Phantom UnitsSEC Table II · derivative / convertible security · Expires 2027-09-12Direct0 Reported balance After 2026-08-12 transaction · row 1 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 1 · 2026-08-12 · Grant · Acquired 5,044 · Balance 0

F1: Each Phantom Unit is the economic equivalent of one Common Unit of the Issuer.

Filing footnotes · ownership attribution and instrument terms

F1: Each Phantom Unit is the economic equivalent of one Common Unit of the Issuer.

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
August 12, 2026 Filed Aug 13, 2026 17:09 UTC Westlake Chemical Partners LP WLKP · Entity 5149 GrantPhantom Units · Derivative 5,044 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-348606 · ownership.xml · derivative · entry 1

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Units · 5,044 shares

Expires 2027-09-12

F1 · derivative.exercise_price: Each Phantom Unit is the economic equivalent of one Common Unit of the Issuer.

Read SEC document
August 06, 2026 Filed Aug 7, 2026 11:34 UTC Westlake Chemical Partners LP WLKP · Entity 5149 Exercise / conversionPhantom Units · Derivative 5,005 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-339179 · ownership.xml · derivative · entry 3

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Units · 5,005 shares

Expires 2026-09-06

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_price: Each Phantom Unit is the economic equivalent of one Common Unit of the Issuer.

Read SEC document
August 06, 2026 Filed Aug 7, 2026 11:34 UTC Westlake Chemical Partners LP WLKP · Entity 5149 Disposition to issuerCommon Units 5,005 $21.35 $106,856.75
Disclosure

SEC source: 0001193125-26-339179 · ownership.xml · nonDerivative · entry 2

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,913

Read SEC document
August 06, 2026 Filed Aug 7, 2026 11:34 UTC Westlake Chemical Partners LP WLKP · Entity 5149 Exercise / conversionCommon Units 5,005 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-339179 · ownership.xml · nonDerivative · entry 1

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,918

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 · price: Each Phantom Unit is the economic equivalent of one Common Unit of the Issuer.

Read SEC document
August 07, 2025 Filed Aug 8, 2025 14:19 UTC Westlake Chemical Partners LP WLKP · Entity 5149 Exercise / conversionPhantom Units · Derivative 4,882 $0.00 $0.00
Disclosure

SEC source: 0001431554-25-000004 · ownership.xml · derivative · entry 4

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Units · 4,882 shares

Expires 2025-09-07

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_price: Each Phantom Unit is the economic equivalent of one Common Unit of the Issuer.

Read SEC document
August 07, 2025 Filed Aug 8, 2025 14:19 UTC Westlake Chemical Partners LP WLKP · Entity 5149 Disposition to issuerCommon Units 4,882 $21.96 $107,208.72
Disclosure

SEC source: 0001431554-25-000004 · ownership.xml · nonDerivative · entry 2

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,913

Read SEC document
August 07, 2025 Filed Aug 8, 2025 14:19 UTC Westlake Chemical Partners LP WLKP · Entity 5149 Exercise / conversionCommon Units 4,882 Not disclosed Not disclosed
Disclosure

SEC source: 0001431554-25-000004 · ownership.xml · nonDerivative · entry 1

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,795

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 · price: Each Phantom Unit is the economic equivalent of one Common Unit of the Issuer.

Read SEC document
August 06, 2025 Filed Aug 8, 2025 14:19 UTC Westlake Chemical Partners LP WLKP · Entity 5149 GrantPhantom Units · Derivative 5,005 $0.00 $0.00
Disclosure

SEC source: 0001431554-25-000004 · ownership.xml · derivative · entry 3

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Units · 5,005 shares

Expires 2026-09-06

F1 · derivative.exercise_price: Each Phantom Unit is the economic equivalent of one Common Unit of the Issuer.

Read SEC document
August 09, 2024 Filed Aug 12, 2024 13:31 UTC Westlake Chemical Partners LP WLKP · Entity 5149 Exercise / conversionPhantom Units · Derivative 4,560 $0.00 $0.00
Disclosure

SEC source: 0000950170-24-095123 · ownership.xml · derivative · entry 3

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Units · 4,560 shares

Expires 2024-09-09

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_price: Each Phantom Unit is the economic equivalent of one Common Unit of the Issuer.

Read SEC document
August 09, 2024 Filed Aug 12, 2024 13:31 UTC Westlake Chemical Partners LP WLKP · Entity 5149 Disposition to issuerCommon Units 3,420 $22.94 $78,454.80
Disclosure

SEC source: 0000950170-24-095123 · ownership.xml · nonDerivative · entry 2

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,913

Read SEC document
August 09, 2024 Filed Aug 12, 2024 13:31 UTC Westlake Chemical Partners LP WLKP · Entity 5149 Exercise / conversionCommon Units 4,560 Not disclosed Not disclosed
Disclosure

SEC source: 0000950170-24-095123 · ownership.xml · nonDerivative · entry 1

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,333

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 · price: Each Phantom Unit is the economic equivalent of one Common Unit of the Issuer.

Read SEC document
August 07, 2024 Filed Aug 8, 2024 14:09 UTC Westlake Chemical Partners LP WLKP · Entity 5149 GrantPhantom Units · Derivative 4,882 $0.00 $0.00
Disclosure

SEC source: 0000950170-24-093433 · ownership.xml · derivative · entry 1

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Units · 4,882 shares

Expires 2025-09-07

F1 · derivative.exercise_price: Each Phantom Unit is the economic equivalent of one Common Unit of the Issuer.

Read SEC document
August 10, 2023 Filed Aug 11, 2023 13:39 UTC Westlake Chemical Partners LP WLKP · Entity 5149 Exercise / conversionPhantom Units · Derivative 4,177 $0.00 $0.00
Disclosure

SEC source: 0001209191-23-045378 · doc4.xml · derivative · entry 4

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Units · 4,177 shares

Expires 2023-09-10

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_price: Each Phantom Unit is the economic equivalent of one Common Unit of the Issuer.

Read SEC document
August 10, 2023 Filed Aug 11, 2023 13:39 UTC Westlake Chemical Partners LP WLKP · Entity 5149 Disposition to issuerCommon Units 2,089 $22.47 $46,939.83
Disclosure

SEC source: 0001209191-23-045378 · doc4.xml · nonDerivative · entry 2

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,773

Read SEC document
August 10, 2023 Filed Aug 11, 2023 13:39 UTC Westlake Chemical Partners LP WLKP · Entity 5149 Exercise / conversionCommon Units 4,177 Not disclosed Not disclosed
Disclosure

SEC source: 0001209191-23-045378 · doc4.xml · nonDerivative · entry 1

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,862

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 · price: Each Phantom Unit is the economic equivalent of one Common Unit of the Issuer.

Read SEC document
August 09, 2023 Filed Aug 11, 2023 13:39 UTC Westlake Chemical Partners LP WLKP · Entity 5149 GrantPhantom Units · Derivative 4,560 $0.00 $0.00
Disclosure

SEC source: 0001209191-23-045378 · doc4.xml · derivative · entry 3

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,560

Underlying: Common Units · 4,560 shares

Expires 2024-09-09

F1 · derivative.exercise_price: Each Phantom Unit is the economic equivalent of one Common Unit of the Issuer.

Read SEC document
August 11, 2022 Filed Aug 12, 2022 18:28 UTC Westlake Chemical Partners LP WLKP · Entity 5149 Exercise / conversionPhantom Units · Derivative 3,726 $0.00 $0.00
Disclosure

SEC source: 0001567619-22-015781 · doc1.xml · derivative · entry 4

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Units · 3,726 shares

Expires 2022-09-11

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_price: Each Phantom Unit is the economic equivalent of one Common Unit of Issuer.

Read SEC document
August 11, 2022 Filed Aug 12, 2022 18:28 UTC Westlake Chemical Partners LP WLKP · Entity 5149 Disposition to issuerCommon Units 1,863 $25.42 $47,357.46
Disclosure

SEC source: 0001567619-22-015781 · doc1.xml · nonDerivative · entry 2

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,685

Read SEC document
August 11, 2022 Filed Aug 12, 2022 18:28 UTC Westlake Chemical Partners LP WLKP · Entity 5149 Exercise / conversionCommon Units 3,726 Not disclosed Not disclosed
Disclosure

SEC source: 0001567619-22-015781 · doc1.xml · nonDerivative · entry 1

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,548

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 · price: Each Phantom Unit is the economic equivalent of one Common Unit of Issuer.

Read SEC document
August 10, 2022 Filed Aug 12, 2022 18:28 UTC Westlake Chemical Partners LP WLKP · Entity 5149 GrantPhantom Units · Derivative 4,177 $0.00 $0.00
Disclosure

SEC source: 0001567619-22-015781 · doc1.xml · derivative · entry 3

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,177

Underlying: Common Units · 4,177 shares

Expires 2023-09-10

F1 · derivative.exercise_price: Each Phantom Unit is the economic equivalent of one Common Unit of Issuer.

Read SEC document
August 12, 2021 Filed Aug 13, 2021 18:26 UTC Westlake Chemical Partners LP WLKP · Entity 5149 Exercise / conversionPhantom Units · Derivative 4,927 $0.00 $0.00
Disclosure

SEC source: 0001567619-21-015462 · doc1.xml · derivative · entry 4

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Units · 4,927 shares

Expires 2021-09-12

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_price: Each Phantom Unit is the economic equivalent of one Common Unit of Issuer.

Read SEC document
August 12, 2021 Filed Aug 13, 2021 18:26 UTC Westlake Chemical Partners LP WLKP · Entity 5149 Disposition to issuerCommon Units 2,463 $26.60 $65,515.80
Disclosure

SEC source: 0001567619-21-015462 · doc1.xml · nonDerivative · entry 2

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,822

Read SEC document
August 12, 2021 Filed Aug 13, 2021 18:26 UTC Westlake Chemical Partners LP WLKP · Entity 5149 Exercise / conversionCommon Units 4,927 Not disclosed Not disclosed
Disclosure

SEC source: 0001567619-21-015462 · doc1.xml · nonDerivative · entry 1

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,285

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 · price: Each Phantom Unit is the economic equivalent of one Common Unit of Issuer.

Read SEC document
August 11, 2021 Filed Aug 13, 2021 18:26 UTC Westlake Chemical Partners LP WLKP · Entity 5149 GrantPhantom Units · Derivative 3,726 $0.00 $0.00
Disclosure

SEC source: 0001567619-21-015462 · doc1.xml · derivative · entry 3

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,726

Underlying: Common Units · 3,726 shares

Expires 2022-09-11

F1 · derivative.exercise_price: Each Phantom Unit is the economic equivalent of one Common Unit of Issuer.

Read SEC document
November 14, 2020 Filed Nov 16, 2020 19:30 UTC Westlake Chemical Partners LP WLKP · Entity 5149 Exercise / conversionPhantom Units · Derivative 4,358 $0.00 $0.00
Disclosure

SEC source: 0001567619-20-019807 · doc1.xml · derivative · entry 4

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,358

Underlying: Common Units · 4,358 shares

Expires 2020-12-14

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 · derivative.exercise_price: Each Phantom Unit is the economic equivalent of one Common Unit of Issuer.

Read SEC document
November 14, 2020 Filed Nov 16, 2020 19:30 UTC Westlake Chemical Partners LP WLKP · Entity 5149 Exercise / conversionCommon Units 4,358 Not disclosed Not disclosed
Disclosure

SEC source: 0001567619-20-019807 · doc1.xml · nonDerivative · entry 3

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,358

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: Each Phantom Unit is the economic equivalent of one Common Unit of Issuer.

Read SEC document
November 13, 2020 Filed Nov 16, 2020 19:30 UTC Westlake Chemical Partners LP WLKP · Entity 5149 PurchaseCommon Units 500 $18.59 $9,295.00
Disclosure

SEC source: 0001567619-20-019807 · doc1.xml · nonDerivative · entry 2

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,000

F1 · price: The price reported in Column 4 is a weighted average price. These common units were purchased in multiple transactions ranging from $18.58 to $18.60, inclusive. The reporting person undertakes to provide to Westlake Chemical Partners LP, any security holder of Westlake Chemical Partners LP or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of common units purchased at each separate price within the ranges set forth in this footnote.

Read SEC document
November 12, 2020 Filed Nov 16, 2020 19:30 UTC Westlake Chemical Partners LP WLKP · Entity 5149 PurchaseCommon Units 500 $18.70 $9,349.60
Disclosure

SEC source: 0001567619-20-019807 · doc1.xml · nonDerivative · entry 1

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,500

Read SEC document
November 11, 2020 Filed Nov 12, 2020 12:07 UTC Westlake Chemical Partners LP WLKP · Entity 5149 PurchaseCommon Units (Limited Partner Interests) 1,000 $18.57 $18,570.00
Disclosure

SEC source: 0001567619-20-019125 · doc1.xml · nonDerivative · entry 1

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,000

Read SEC document
August 12, 2020 Filed Aug 13, 2020 14:59 UTC Westlake Chemical Partners LP WLKP · Entity 5149 GrantPhantom Units · Derivative 4,927 $0.00 $0.00
Disclosure

SEC source: 0001567619-20-015035 · doc1.xml · derivative · entry 1

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,927

Underlying: Common Units · 4,927 shares

Expires 2021-09-12

F1 · derivative.exercise_price: Each Phantom Unit is the economic equivalent of one Common Unit of Issuer.

Read SEC document
March 23, 2020 Filed Mar 23, 2020 20:26 UTC Westlake Chemical Partners LP WLKP · Entity 5149 PurchaseCommon Units (Limited Partner Interests) 3,000 $13.14 $39,420.00
Disclosure

SEC source: 0001567619-20-006890 · doc1.xml · nonDerivative · entry 1

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

F1 · price: The price reported in Column 4 is a weighted average price. These common units were purchased in multiple transactions ranging from $13.07 to $13.2937, inclusive. The reporting person undertakes to provide to Westlake Chemical Partners LP, any security holder of Westlake Chemical Partners LP or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of common units purchased at each separate price within the ranges set forth in this footnote.

Read SEC document
March 20, 2020 Filed Mar 20, 2020 16:23 UTC Westlake Chemical Partners LP WLKP · Entity 5149 PurchaseCommon Units (Limited Partner Interests) 3,000 $13.90 $41,691.00
Disclosure

SEC source: 0001567619-20-006815 · doc1.xml · nonDerivative · entry 1

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,000

F1 · price: The price reported in Column 4 is a weighted average price. These common units were purchased in multiple transactions ranging from $13.775 to $13.985, inclusive. The reporting person undertakes to provide to Westlake Chemical Partners LP, any security holder of Westlake Chemical Partners LP or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of common units purchased at each separate price within the ranges set forth in this footnote.

Read SEC document
March 18, 2020 Filed Mar 18, 2020 20:06 UTC Westlake Chemical Partners LP WLKP · Entity 5149 PurchaseCommon Units (Limited Partner Interests) 4,000 $11.91 $47,640.00
Disclosure

SEC source: 0001567619-20-006686 · doc1.xml · nonDerivative · entry 1

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,000

F1 · price: The price reported in Column 4 is a weighted average price. These common units were purchased in multiple transactions ranging from $11.805 to $12.035, inclusive. The reporting person undertakes to provide to Westlake Chemical Partners LP, any security holder of Westlake Chemical Partners LP or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of common units purchased at each separate price within the ranges set forth in this footnote.

Read SEC document
November 14, 2019 Filed Nov 15, 2019 00:07 UTC Westlake Chemical Partners LP WLKP · Entity 5149 GrantPhantom Units · Derivative 4,358 $0.00 $0.00
Disclosure

SEC source: 0001567619-19-021632 · doc1.xml · derivative · entry 1

WOELFEL RANDY · CIK 0001431554 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,358

Underlying: Common Units · 4,358 shares

Expires 2020-12-14

F1 · derivative.exercise_price: Each Phantom Unit is the economic equivalent of one Common Unit of the Issuer.

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.