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WHITHAM BARTH E

Disclosed activity across 2 companies

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42768
SEC CIK
0001227703

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Intrepid Potash, Inc.IPI · Entity 5401DirectorMay 28, 2026June 01, 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.

Intrepid Potash, Inc.

Report date May 28, 2026 · Filed June 01, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect51,470 Reported balance After 2026-05-28 transaction · row 1
1 source row

Row 1 · 2026-05-28 · Grant · Acquired 2,091 · Balance 51,470

F1: Represents a grant of restricted stock that will vest in full on May 28, 2027, subject to the reporting person's continued service for the company through the vesting date.

Filing footnotes · ownership attribution and instrument terms

F1: Represents a grant of restricted stock that will vest in full on May 28, 2027, subject to the reporting person's continued service for the company through the vesting date.

Past disclosures · reporting ended (1)

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

QEP RESOURCES, INC.

Report date March 17, 2021 · Filed March 17, 2021

Section 16 reporting ended · disclosed 2021-03-17. Current position is not established by this disclosure.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Phantom Stock UnitsSEC Table II · derivative / convertible securityDirect0 Reported balance After 2021-03-17 transaction · row 1 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 1 · 2021-03-17 · Disposition to issuer · Disposed 113,890.83 · Balance 0

F1: On March 17, 2021, pursuant to the Agreement and Plan of Merger dated as of December 20, 2020 (the "Merger Agreement"), by and among Diamondback Energy, Inc. ("Diamondback"), Bohemia Merger Sub Inc., a wholly owned subsidiary of Diamondback ("Merger Sub"), and QEP Resources, Inc. ("QEP"), Merger Sub merged with and into QEP (the "Merger") with QEP surviving the Merger as a wholly-owned subsidiary of Diamondback. Pursuant to the Merger Agreement, each share of QEP common stock issued and outstanding immediately prior to the effective time of the Merger (the "Effective Time") (subject to certain exceptions) was converted into the right to receive 0.05 shares of Diamondback common stock (the "Exchange Ratio").

F2: Pursuant to the Merger Agreement, at the Effective Time, any compensation deferred by directors and deemed notionally invested in QEP common stock pursuant to any QEP deferred compensation plan became fully vested and converted into and deemed notionally invested in a number of shares of Diamondback common stock equal to the product of (A) the total number of shares of QEP common stock subject to such award immediately prior to the Effective Time multiplied by (B) the exchange ratio. Such deferred compensation will be paid in cash promptly following the effective date of the Merger (but not later than the time in which payment is required under the applicable QEP deferred compensation plan).

Filing footnotes · ownership attribution and instrument terms

F1: On March 17, 2021, pursuant to the Agreement and Plan of Merger dated as of December 20, 2020 (the "Merger Agreement"), by and among Diamondback Energy, Inc. ("Diamondback"), Bohemia Merger Sub Inc., a wholly owned subsidiary of Diamondback ("Merger Sub"), and QEP Resources, Inc. ("QEP"), Merger Sub merged with and into QEP (the "Merger") with QEP surviving the Merger as a wholly-owned subsidiary of Diamondback. Pursuant to the Merger Agreement, each share of QEP common stock issued and outstanding immediately prior to the effective time of the Merger (the "Effective Time") (subject to certain exceptions) was converted into the right to receive 0.05 shares of Diamondback common stock (the "Exchange Ratio").

F2: Pursuant to the Merger Agreement, at the Effective Time, any compensation deferred by directors and deemed notionally invested in QEP common stock pursuant to any QEP deferred compensation plan became fully vested and converted into and deemed notionally invested in a number of shares of Diamondback common stock equal to the product of (A) the total number of shares of QEP common stock subject to such award immediately prior to the Effective Time multiplied by (B) the exchange ratio. Such deferred compensation will be paid in cash promptly following the effective date of the Merger (but not later than the time in which payment is required under the applicable QEP deferred compensation plan).

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
May 28, 2026 Filed Jun 1, 2026 20:52 UTC Intrepid Potash, Inc. IPI · Entity 5401 GrantCommon Stock 2,091 $0.00 $0.00
Disclosure

SEC source: 0001225208-26-005682 · doc4.xml · nonDerivative · entry 1

WHITHAM BARTH E · CIK 0001227703 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,470

F1 · shares: Represents a grant of restricted stock that will vest in full on May 28, 2027, subject to the reporting person's continued service for the company through the vesting date.

Read SEC document
May 29, 2025 Filed Jun 2, 2025 21:37 UTC Intrepid Potash, Inc. IPI · Entity 5401 GrantCommon Stock 2,288 $0.00 $0.00
Disclosure

SEC source: 0001225208-25-005645 · doc4.xml · nonDerivative · entry 1

WHITHAM BARTH E · CIK 0001227703 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,379

F1 · shares: Represents a grant of restricted stock that will vest in full on May 29, 2026, subject to the reporting person's continued service for the company through the vesting date.

Read SEC document
September 24, 2024 Filed Sep 26, 2024 20:33 UTC Intrepid Potash, Inc. IPI · Entity 5401 GrantCommon Stock 1,047 $0.00 $0.00
Disclosure

SEC source: 0001225208-24-008859 · doc4.xml · nonDerivative · entry 1

WHITHAM BARTH E · CIK 0001227703 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,091

F1 · shares: Represents a one-time special grant of restricted stock as additional director compensation, with such shares of restricted stock vesting on the earlier of (i) May 25, 2025, (ii) the day prior to the issuer's 2025 Annual Meeting of Stockholders, or (iii) such director's earlier termination of service with the issuer.

Read SEC document
May 16, 2024 Filed May 20, 2024 21:03 UTC Intrepid Potash, Inc. IPI · Entity 5401 GrantCommon Stock 3,789 $0.00 $0.00
Disclosure

SEC source: 0001225208-24-006246 · doc4.xml · nonDerivative · entry 1

WHITHAM BARTH E · CIK 0001227703 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,044

F1 · shares: Represents a grant of restricted stock that will vest in full on May 16, 2025, subject to the reporting person's continued service for the company through the vesting date.

Read SEC document
May 19, 2023 Filed May 23, 2023 22:56 UTC Intrepid Potash, Inc. IPI · Entity 5401 GrantCommon Stock 4,854 $0.00 $0.00
Disclosure

SEC source: 0001209191-23-031751 · doc4.xml · nonDerivative · entry 1

WHITHAM BARTH E · CIK 0001227703 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,255

F1 · shares: Represents a grant of restricted stock that will vest in full on May 19, 2024, subject to the reporting person's continued service for the company through the vesting date.

Read SEC document
May 19, 2022 Filed May 24, 2022 00:10 UTC Intrepid Potash, Inc. IPI · Entity 5401 GrantCommon Stock 1,327 $0.00 $0.00
Disclosure

SEC source: 0001209191-22-031501 · doc4.xml · nonDerivative · entry 1

WHITHAM BARTH E · CIK 0001227703 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,401

F1 · shares: Represents a grant of restricted stock that will vest in full on May 19, 2023, subject to the reporting person's continued service for the company through the vesting date.

Read SEC document
May 19, 2021 Filed May 21, 2021 20:21 UTC Intrepid Potash, Inc. IPI · Entity 5401 GrantCommon Stock 3,307 $0.00 $0.00
Disclosure

SEC source: 0001567619-21-010905 · doc1.xml · nonDerivative · entry 1

WHITHAM BARTH E · CIK 0001227703 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,074

F1 · price: Represents a grant of restricted stock that will vest in full on May 19, 2022, subject to the reporting person's continued service for the company through the vesting date.

F2 · balance_after: On August 13, 2020, the issuer effected a 1-for-10 reverse split of its common stock.

Read SEC document
March 17, 2021 Filed Mar 17, 2021 20:34 UTC QEP RESOURCES, INC. QEP · Entity 141219 Disposition to issuerPhantom Stock Units · Derivative 113,890.83 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-21-012331 · doc4.xml · derivative · entry 1

WHITHAM BARTH E · CIK 0001227703 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 113,890.83 shares

Expires not disclosed

F1 · derivative.exercise_price: On March 17, 2021, pursuant to the Agreement and Plan of Merger dated as of December 20, 2020 (the "Merger Agreement"), by and among Diamondback Energy, Inc. ("Diamondback"), Bohemia Merger Sub Inc., a wholly owned subsidiary of Diamondback ("Merger Sub"), and QEP Resources, Inc. ("QEP"), Merger Sub merged with and into QEP (the "Merger") with QEP surviving the Merger as a wholly-owned subsidiary of Diamondback. Pursuant to the Merger Agreement, each share of QEP common stock issued and outstanding immediately prior to the effective time of the Merger (the "Effective Time") (subject to certain exceptions) was converted into the right to receive 0.05 shares of Diamondback common stock (the "Exchange Ratio").

F2 · derivative.exercise_price: Pursuant to the Merger Agreement, at the Effective Time, any compensation deferred by directors and deemed notionally invested in QEP common stock pursuant to any QEP deferred compensation plan became fully vested and converted into and deemed notionally invested in a number of shares of Diamondback common stock equal to the product of (A) the total number of shares of QEP common stock subject to such award immediately prior to the Effective Time multiplied by (B) the exchange ratio. Such deferred compensation will be paid in cash promptly following the effective date of the Merger (but not later than the time in which payment is required under the applicable QEP deferred compensation plan).

F1 · price: On March 17, 2021, pursuant to the Agreement and Plan of Merger dated as of December 20, 2020 (the "Merger Agreement"), by and among Diamondback Energy, Inc. ("Diamondback"), Bohemia Merger Sub Inc., a wholly owned subsidiary of Diamondback ("Merger Sub"), and QEP Resources, Inc. ("QEP"), Merger Sub merged with and into QEP (the "Merger") with QEP surviving the Merger as a wholly-owned subsidiary of Diamondback. Pursuant to the Merger Agreement, each share of QEP common stock issued and outstanding immediately prior to the effective time of the Merger (the "Effective Time") (subject to certain exceptions) was converted into the right to receive 0.05 shares of Diamondback common stock (the "Exchange Ratio").

F2 · price: Pursuant to the Merger Agreement, at the Effective Time, any compensation deferred by directors and deemed notionally invested in QEP common stock pursuant to any QEP deferred compensation plan became fully vested and converted into and deemed notionally invested in a number of shares of Diamondback common stock equal to the product of (A) the total number of shares of QEP common stock subject to such award immediately prior to the Effective Time multiplied by (B) the exchange ratio. Such deferred compensation will be paid in cash promptly following the effective date of the Merger (but not later than the time in which payment is required under the applicable QEP deferred compensation plan).

F1 · derivative.exercise_date: On March 17, 2021, pursuant to the Agreement and Plan of Merger dated as of December 20, 2020 (the "Merger Agreement"), by and among Diamondback Energy, Inc. ("Diamondback"), Bohemia Merger Sub Inc., a wholly owned subsidiary of Diamondback ("Merger Sub"), and QEP Resources, Inc. ("QEP"), Merger Sub merged with and into QEP (the "Merger") with QEP surviving the Merger as a wholly-owned subsidiary of Diamondback. Pursuant to the Merger Agreement, each share of QEP common stock issued and outstanding immediately prior to the effective time of the Merger (the "Effective Time") (subject to certain exceptions) was converted into the right to receive 0.05 shares of Diamondback common stock (the "Exchange Ratio").

F2 · derivative.exercise_date: Pursuant to the Merger Agreement, at the Effective Time, any compensation deferred by directors and deemed notionally invested in QEP common stock pursuant to any QEP deferred compensation plan became fully vested and converted into and deemed notionally invested in a number of shares of Diamondback common stock equal to the product of (A) the total number of shares of QEP common stock subject to such award immediately prior to the Effective Time multiplied by (B) the exchange ratio. Such deferred compensation will be paid in cash promptly following the effective date of the Merger (but not later than the time in which payment is required under the applicable QEP deferred compensation plan).

F1 · derivative.expiration_date: On March 17, 2021, pursuant to the Agreement and Plan of Merger dated as of December 20, 2020 (the "Merger Agreement"), by and among Diamondback Energy, Inc. ("Diamondback"), Bohemia Merger Sub Inc., a wholly owned subsidiary of Diamondback ("Merger Sub"), and QEP Resources, Inc. ("QEP"), Merger Sub merged with and into QEP (the "Merger") with QEP surviving the Merger as a wholly-owned subsidiary of Diamondback. Pursuant to the Merger Agreement, each share of QEP common stock issued and outstanding immediately prior to the effective time of the Merger (the "Effective Time") (subject to certain exceptions) was converted into the right to receive 0.05 shares of Diamondback common stock (the "Exchange Ratio").

F2 · derivative.expiration_date: Pursuant to the Merger Agreement, at the Effective Time, any compensation deferred by directors and deemed notionally invested in QEP common stock pursuant to any QEP deferred compensation plan became fully vested and converted into and deemed notionally invested in a number of shares of Diamondback common stock equal to the product of (A) the total number of shares of QEP common stock subject to such award immediately prior to the Effective Time multiplied by (B) the exchange ratio. Such deferred compensation will be paid in cash promptly following the effective date of the Merger (but not later than the time in which payment is required under the applicable QEP deferred compensation plan).

Read SEC document
March 01, 2021 Filed Mar 2, 2021 17:33 UTC QEP RESOURCES, INC. QEP · Entity 141219 GrantPhantom Stock Units · Derivative 11,987 $3.65 Strike: $0.00 $43,752.55
Disclosure

SEC source: 0001209191-21-016323 · doc4.xml · derivative · entry 1

WHITHAM BARTH E · CIK 0001227703 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 113,890.83

Underlying: Common Stock · 11,987 shares

Expires not disclosed

F1 · derivative.exercise_date: Phantom stock units will be payable in cash or shares on the date of, or at a designated anniversary date following, the first to occur of the reporting person's, (i) distribution election date which is not earlier than two years from the plan year, (ii) separation from service from QEP (subject to 6-month delay if necessary to comply with IRC 409A), (iii) death or (iv) disability, pursuant to the QEP Resources, Inc. Deferred Compensation Plan for Directors.

F1 · derivative.expiration_date: Phantom stock units will be payable in cash or shares on the date of, or at a designated anniversary date following, the first to occur of the reporting person's, (i) distribution election date which is not earlier than two years from the plan year, (ii) separation from service from QEP (subject to 6-month delay if necessary to comply with IRC 409A), (iii) death or (iv) disability, pursuant to the QEP Resources, Inc. Deferred Compensation Plan for Directors.

Read SEC document
May 19, 2020 Filed May 21, 2020 21:13 UTC Intrepid Potash, Inc. IPI · Entity 5401 GrantCommon Stock 81,730 $0.00 $0.00
Disclosure

SEC source: 0001567619-20-010948 · doc1.xml · nonDerivative · entry 1

WHITHAM BARTH E · CIK 0001227703 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 327,672

F1 · price: Represents a grant of restricted stock that will vest in full on May 19, 2021, subject to the reporting person's continued service for the company through the vesting date.

Read SEC document
March 20, 2020 Filed Mar 24, 2020 16:50 UTC QEP RESOURCES, INC. QEP · Entity 141219 GrantPhantom Stock Units · Derivative 4,739.71 $0.41 Strike: $0.00 $1,943.28
Disclosure

SEC source: 0001209191-20-020948 · doc4.xml · derivative · entry 1

WHITHAM BARTH E · CIK 0001227703 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 101,903.83

Underlying: Common Stock · 4,739.71 shares

Expires not disclosed

F1 · derivative.exercise_date: Phantom stock units will be payable in cash or shares on the date of, or at a designated anniversary date following, the first to occur of the reporting person's, (i) distribution election date which is not earlier than two years from the plan year, (ii) separation from service from QEP (subject to 6-month delay if necessary to comply with IRC 409A), (iii) death or (iv) disability, pursuant to the QEP Resources, Inc. Deferred Compensation Plan for Directors.

F1 · derivative.expiration_date: Phantom stock units will be payable in cash or shares on the date of, or at a designated anniversary date following, the first to occur of the reporting person's, (i) distribution election date which is not earlier than two years from the plan year, (ii) separation from service from QEP (subject to 6-month delay if necessary to comply with IRC 409A), (iii) death or (iv) disability, pursuant to the QEP Resources, Inc. Deferred Compensation Plan for Directors.

Read SEC document
March 02, 2020 Filed Mar 4, 2020 14:07 UTC QEP RESOURCES, INC. QEP · Entity 141219 GrantPhantom Stock Units · Derivative 80,646 $2.17 Strike: $0.00 $175,001.82
Disclosure

SEC source: 0001209191-20-015952 · doc4.xml · derivative · entry 1

WHITHAM BARTH E · CIK 0001227703 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 97,164.12

Underlying: Common Stock · 80,646 shares

Expires not disclosed

F1 · derivative.exercise_date: Phantom stock units will be payable in cash or shares on the date of, or at a designated anniversary date following, the first to occur of the reporting person's, (i) distribution election date which is not earlier than two years from the plan year, (ii) separation from service from QEP (subject to 6-month delay if necessary to comply with IRC 409A), (iii) death or (iv) disability, pursuant to the QEP Resources, Inc. Deferred Compensation Plan for Directors.

F1 · derivative.expiration_date: Phantom stock units will be payable in cash or shares on the date of, or at a designated anniversary date following, the first to occur of the reporting person's, (i) distribution election date which is not earlier than two years from the plan year, (ii) separation from service from QEP (subject to 6-month delay if necessary to comply with IRC 409A), (iii) death or (iv) disability, pursuant to the QEP Resources, Inc. Deferred Compensation Plan for Directors.

Read SEC document
December 06, 2019 Filed Dec 10, 2019 18:46 UTC QEP RESOURCES, INC. QEP · Entity 141219 GrantPhantom Stock Units · Derivative 94.12 $3.49 Strike: $0.00 $328.48
Disclosure

SEC source: 0001209191-19-059939 · doc4.xml · derivative · entry 1

WHITHAM BARTH E · CIK 0001227703 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,518.12

Underlying: Common Stock · 94.12 shares

Expires not disclosed

F1 · derivative.exercise_date: Phantom stock units will be payable in cash or shares on the date of, or at a designated anniversary date following, the first to occur of the reporting person's, (i) distribution election date which is not earlier than two years from the plan year, (ii) separation from service from QEP (subject to 6-month delay if necessary to comply with IRC 409A), (iii) death or (iv) disability, pursuant to the QEP Resources, Inc. Deferred Compensation Plan for Directors.

F1 · derivative.expiration_date: Phantom stock units will be payable in cash or shares on the date of, or at a designated anniversary date following, the first to occur of the reporting person's, (i) distribution election date which is not earlier than two years from the plan year, (ii) separation from service from QEP (subject to 6-month delay if necessary to comply with IRC 409A), (iii) death or (iv) disability, pursuant to the QEP Resources, Inc. Deferred Compensation Plan for Directors.

Read SEC document
October 21, 2019 Filed Oct 23, 2019 19:24 UTC QEP RESOURCES, INC. QEP · Entity 141219 GrantPhantom Stock Units · Derivative 16,424 $2.74 Strike: $0.00 $45,001.76
Disclosure

SEC source: 0001209191-19-053872 · doc4.xml · derivative · entry 2

WHITHAM BARTH E · CIK 0001227703 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,424

Underlying: Phantom Stock Units · 16,424 shares

Expires not disclosed

F1 · derivative.exercise_date: Phantom stock units will be payable in cash or shares on the date of, or at a designated anniversary date following, the first to occur of the reporting person's (i) distribution election date which is not earlier than two years from the plan year (ii) separation from service from QEP (subject to 6-month delay if necessary to comply with IRC 409A), (iii) death or (iv) disability, pursuant to the QEP Resources, Inc. Deferred Compensation Plan for Directors.

F1 · derivative.expiration_date: Phantom stock units will be payable in cash or shares on the date of, or at a designated anniversary date following, the first to occur of the reporting person's (i) distribution election date which is not earlier than two years from the plan year (ii) separation from service from QEP (subject to 6-month delay if necessary to comply with IRC 409A), (iii) death or (iv) disability, pursuant to the QEP Resources, Inc. Deferred Compensation Plan for Directors.

Read SEC document
May 22, 2019 Filed May 24, 2019 20:44 UTC Intrepid Potash, Inc. IPI · Entity 5401 GrantCommon Stock 25,679 $0.00 $0.00
Disclosure

SEC source: 0001567619-19-012096 · doc1.xml · nonDerivative · entry 1

WHITHAM BARTH E · CIK 0001227703 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 245,942

F1 · price: Represents a grant of restricted stock that will vest in full on May 22, 2020, subject to the reporting person's continued service for the company through the vesting date.

Read SEC document
June 05, 2018 Filed Jun 7, 2018 21:12 UTC Intrepid Potash, Inc. IPI · Entity 5401 GrantCommon Stock 18,123 $0.00 $0.00
Disclosure

SEC source: 0001140361-18-027721 · doc1.xml · nonDerivative · entry 1

WHITHAM BARTH E · CIK 0001227703 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 220,263

F1 · price: Represents a grant of restricted stock that will vest in full on June 5, 2019, subject to the reporting person's continued service for the company through the vesting date.

Read SEC document
May 31, 2017 Filed Jun 1, 2017 22:30 UTC Intrepid Potash, Inc. IPI · Entity 5401 GrantCommon Stock 39,719 $0.00 $0.00
Disclosure

SEC source: 0001140361-17-023374 · doc1.xml · nonDerivative · entry 1

WHITHAM BARTH E · CIK 0001227703 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 202,140

F1 · price: Represents a grant of restricted stock to the reporting person as compensation for his services as a non-employee director. The restricted stock will vest in full on May 31, 2018, subject to the reporting person's continued service as a director.

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.