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HARDING MARK W

Disclosed activity across 1 company

Tapewire entity
69601
SEC CIK
0000940763

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
PURE CYCLE CORPPCYO · Entity 6069Director · CHIEF EXECUTIVE OFFICERSeptember 22, 2026September 23, 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.

PURE CYCLE CORP

Report date September 22, 2026 · Filed September 23, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect164,818 Ending reported balance After 2026-09-22 transaction · row 2
2 source rows · reconciled sequence

Row 1 · 2026-09-22 · Exercise / conversion · Acquired 50,000 · Balance 190,089

Row 2 · 2026-09-22 · Tax withholding · Disposed 25,271 · Balance 164,818

F1: Represents a "net exercise" of outstanding stock options. These shares were withheld by Pure Cycle Corporation for payment of the exercise price, based on the market price of Pure Cycle Corporation's common stock at the time of the option exercise on September 22, 2026.

Option (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $5.61 · Expires 2026-10-12Direct255,000 Reported balance After 2026-09-22 transaction · row 3 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 3 · 2026-09-22 · Exercise / conversion · Disposed 50,000 · Balance 255,000

Filing footnotes · ownership attribution and instrument terms

F1: Represents a "net exercise" of outstanding stock options. These shares were withheld by Pure Cycle Corporation for payment of the exercise price, based on the market price of Pure Cycle Corporation's common stock at the time of the option exercise on September 22, 2026.

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
September 22, 2026 Filed Sep 23, 2026 20:15 UTC PURE CYCLE CORP PCYO · Entity 6069 Exercise / conversionOption (Right to Buy) · Derivative 50,000 $0.00 Strike: $5.61 $0.00
Disclosure

SEC source: 0000940763-26-000004 · form4-09232026_080935.xml · derivative · entry 3

HARDING MARK W · CIK 0000940763 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 255,000

Underlying: Common Stock · 50,000 shares

Expires 2026-10-12

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.

Read SEC document
September 22, 2026 Filed Sep 23, 2026 20:15 UTC PURE CYCLE CORP PCYO · Entity 6069 Tax withholdingCommon Stock 25,271 $11.10 $280,508.10
Disclosure

SEC source: 0000940763-26-000004 · form4-09232026_080935.xml · nonDerivative · entry 2

HARDING MARK W · CIK 0000940763 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 164,818

F1 · kind: Represents a "net exercise" of outstanding stock options. These shares were withheld by Pure Cycle Corporation for payment of the exercise price, based on the market price of Pure Cycle Corporation's common stock at the time of the option exercise on September 22, 2026.

Read SEC document
September 22, 2026 Filed Sep 23, 2026 20:15 UTC PURE CYCLE CORP PCYO · Entity 6069 Exercise / conversionCommon Stock 50,000 $5.61 $280,500.00
Disclosure

SEC source: 0000940763-26-000004 · form4-09232026_080935.xml · nonDerivative · entry 1

HARDING MARK W · CIK 0000940763 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 190,089

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
January 12, 2026 Filed Jan 12, 2026 23:01 UTC PURE CYCLE CORP PCYO · Entity 6069 GiftCommon Stock 210,000 $0.00 $0.00
Disclosure

SEC source: 0000940763-26-000002 · form4-01122026_110127.xml · nonDerivative · entry 1

HARDING MARK W · CIK 0000940763 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Indirect · SMA Investments, LLLP

Disclosed balance after: 0

F1 · kind: These shares of common stock are owned by SMA Investments, LLLP ("SMA"), a limited liability limited partnership previously controlled by the reporting person. The controlling interests of SMA were gifted to the Mark W. Harding Irrevocable Trust (the "Trust"). The reporting person no longer has investment or voting control over SMA. The reporting person previously reported the gift of 390,000 shares of common stock to the Trust on a Form 4 filed on 11/22/2024, correctly disclosing that he no longer had direct or indirect beneficial ownership of such shares; however, he erroneously reported the shares gifted to the Trust as being acquired indirectly through the Trust. Because the reporting person has no control over the investment or voting of assets held by the Trust, the reporting person does not own any shares indirectly through the Trust. With the transfer of control of SMA on 1/12/2025, the reporting person no longer beneficially owns any shares indirectly.

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September 17, 2025 Filed Sep 19, 2025 17:36 UTC PURE CYCLE CORP PCYO · Entity 6069 GrantCommon Stock 10,000 $0.00 $0.00
Disclosure

SEC source: 0000940763-25-000003 · form4-09192025_050948.xml · nonDerivative · entry 1

HARDING MARK W · CIK 0000940763 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 140,089

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November 20, 2024 Filed Nov 22, 2024 21:43 UTC PURE CYCLE CORP PCYO · Entity 6069 GiftCommon Stock 390,000 $0.00 $0.00
Disclosure

SEC source: 0001415889-24-027543 · form4-11222024_091133.xml · nonDerivative · entry 2

HARDING MARK W · CIK 0000940763 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Indirect · Mark W Harding Irrevocable Trust One

Disclosed balance after: 390,000

Read SEC document
November 20, 2024 Filed Nov 22, 2024 21:43 UTC PURE CYCLE CORP PCYO · Entity 6069 GiftCommon Stock 390,000 $0.00 $0.00
Disclosure

SEC source: 0001415889-24-027543 · form4-11222024_091133.xml · nonDerivative · entry 1

HARDING MARK W · CIK 0000940763 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 130,089

F1 · kind: These shares of common stock were gifted to an irrevocable family trust of which immediate family members are the beneficiaries and for which the reporting person has no voting or investment control.

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August 07, 2023 Filed Aug 7, 2023 21:03 UTC PURE CYCLE CORP PCYO · Entity 6069 SaleCommon Stock 8,867 $12.23 $108,478.88
Disclosure

SEC source: 0001415889-23-011903 · form4-08072023_090846.xml · nonDerivative · entry 5

HARDING MARK W · CIK 0000940763 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 520,089

F2 · kind: Represents the average sales price of common stock to cover filer's tax and cost implications of the exercise of Options that would expire on 8/14/2023. Details on each individual sale can be provided to the Commission upon request.

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August 04, 2023 Filed Aug 7, 2023 21:03 UTC PURE CYCLE CORP PCYO · Entity 6069 SaleCommon Stock 4,688 $12.42 $58,222.62
Disclosure

SEC source: 0001415889-23-011903 · form4-08072023_090846.xml · nonDerivative · entry 4

HARDING MARK W · CIK 0000940763 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 528,956

F2 · kind: Represents the average sales price of common stock to cover filer's tax and cost implications of the exercise of Options that would expire on 8/14/2023. Details on each individual sale can be provided to the Commission upon request.

Read SEC document
August 03, 2023 Filed Aug 7, 2023 21:03 UTC PURE CYCLE CORP PCYO · Entity 6069 Exercise / conversionOption (Right to Buy) · Derivative 100,000 $0.00 Strike: $5.88 $0.00
Disclosure

SEC source: 0001415889-23-011903 · form4-08072023_090846.xml · derivative · entry 6

HARDING MARK W · CIK 0000940763 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 100,000 shares

Expires 2023-08-14

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.

Read SEC document
August 03, 2023 Filed Aug 7, 2023 21:03 UTC PURE CYCLE CORP PCYO · Entity 6069 SaleCommon Stock 6,445 $12.52 $80,661.75
Disclosure

SEC source: 0001415889-23-011903 · form4-08072023_090846.xml · nonDerivative · entry 3

HARDING MARK W · CIK 0000940763 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 533,644

F2 · kind: Represents the average sales price of common stock to cover filer's tax and cost implications of the exercise of Options that would expire on 8/14/2023. Details on each individual sale can be provided to the Commission upon request.

Read SEC document
August 03, 2023 Filed Aug 7, 2023 21:03 UTC PURE CYCLE CORP PCYO · Entity 6069 Tax withholdingCommon Stock 47,154 $12.47 $588,010.38
Disclosure

SEC source: 0001415889-23-011903 · form4-08072023_090846.xml · nonDerivative · entry 2

HARDING MARK W · CIK 0000940763 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 540,089

F1 · kind: Represents a "net exercise" of outstanding stock options. These shares were withheld by Pure Cycle Corporation for payment of the exercise price, based on the market price of Pure Cycle Corporation's common stock at the time of the option exercise on August 3, 2023.

Read SEC document
August 03, 2023 Filed Aug 7, 2023 21:03 UTC PURE CYCLE CORP PCYO · Entity 6069 Exercise / conversionCommon Stock 100,000 $5.88 $588,000.00
Disclosure

SEC source: 0001415889-23-011903 · form4-08072023_090846.xml · nonDerivative · entry 1

HARDING MARK W · CIK 0000940763 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 587,243

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
September 15, 2021 Filed Sep 17, 2021 20:46 UTC PURE CYCLE CORP PCYO · Entity 6069 GrantNon-Statutory Stock Option (Right to Buy) · Derivative 75,000 $0.00 Strike: $13.37 $0.00
Disclosure

SEC source: 0001415889-21-004487 · form4-09172021_010954.xml · derivative · entry 1

HARDING MARK W · CIK 0000940763 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,000

Underlying: Common Stock · 75,000 shares

Expires 2031-09-15

F1 · derivative.exercise_date: The option vests as follows: 25,000 shares on September 15, 2022, 25,000 shares on September 15, 2023, and 25,000 shares on September 15, 2024.

Read SEC document
September 23, 2020 Filed Sep 25, 2020 18:12 UTC PURE CYCLE CORP PCYO · Entity 6069 GrantNon-Statutory Stock Option (Right to Buy) · Derivative 30,000 $0.00 Strike: $9.00 $0.00
Disclosure

SEC source: 0000276720-20-000042 · form4.xml · derivative · entry 1

HARDING MARK W · CIK 0000940763 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,000

Underlying: Common Stock · 30,000 shares

Expires 2030-09-23

F1 · derivative.exercise_date: The option vests as follows: 10,000 shares on September 23, 2021, 10,000 shares on September 23, 2022, and 10,000 shares on September 23, 2023.

Read SEC document
March 05, 2020 Filed Mar 6, 2020 19:52 UTC PURE CYCLE CORP PCYO · Entity 6069 SaleCommon Stock 7,058 $12.46 $87,913.74
Disclosure

SEC source: 0000276720-20-000026 · form4.xml · nonDerivative · entry 1

HARDING MARK W · CIK 0000940763 · President and Chief Financial

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 487,243

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 23, 2020.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at rices ranging from $12.31 to $12.73. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff at the Securities and Exchange Commission, upon request, the full information regarding the number of shares sold at each separate price within the ranges set forth above.

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March 04, 2020 Filed Mar 4, 2020 22:48 UTC PURE CYCLE CORP PCYO · Entity 6069 SaleCommon Stock 7,949 $12.51 $99,442.78
Disclosure

SEC source: 0000276720-20-000024 · form4.xml · nonDerivative · entry 3

HARDING MARK W · CIK 0000940763 · President and Chief Financial

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 494,301

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 23, 2020.

F4 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.30 to $12.78. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff at the Securities and Exchange Commission, upon request, the full information regarding the number of shares sold at each separate price within the ranges set forth above.

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March 03, 2020 Filed Mar 4, 2020 22:48 UTC PURE CYCLE CORP PCYO · Entity 6069 SaleCommon Stock 6,830 $12.37 $84,459.78
Disclosure

SEC source: 0000276720-20-000024 · form4.xml · nonDerivative · entry 2

HARDING MARK W · CIK 0000940763 · President and Chief Financial

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 502,250

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 23, 2020.

F3 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.30 to $12.55. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff at the Securities and Exchange Commission, upon request, the full information regarding the number of shares sold at each separate price within the ranges set forth above.

Read SEC document
March 02, 2020 Filed Mar 4, 2020 22:48 UTC PURE CYCLE CORP PCYO · Entity 6069 SaleCommon Stock 8,163 $12.38 $101,041.61
Disclosure

SEC source: 0000276720-20-000024 · form4.xml · nonDerivative · entry 1

HARDING MARK W · CIK 0000940763 · President and Chief Financial

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 509,080

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 23, 2020.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.30 to $12.52. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff at the Securities and Exchange Commission, upon request, the full information regarding the number of shares sold at each separate price within the ranges set forth above.

Read SEC document
September 27, 2019 Filed Oct 2, 2019 21:27 UTC PURE CYCLE CORP PCYO · Entity 6069 GrantNon-Statutory Stock Option (Right to Buy) · Derivative 50,000 $0.00 Strike: $10.35 $0.00
Disclosure

SEC source: 0001140361-19-017837 · form4.xml · derivative · entry 1

HARDING MARK W · CIK 0000940763 · Director · President and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Common Stock · 50,000 shares

Expires 2029-09-27

F1 · derivative.exercise_date: The option vests as follows: 16,667 shares on September 27, 2020, 16,667 shares on September 27, 2021, and 16,666 shares on September 27, 2022.

Read SEC document
September 26, 2018 Filed Oct 1, 2018 19:19 UTC PURE CYCLE CORP PCYO · Entity 6069 GrantNon-Statutory Stock Option (Right to Buy) · Derivative 50,000 $0.00 Strike: $11.15 $0.00
Disclosure

SEC source: 0001140361-18-039745 · form4.xml · derivative · entry 1

HARDING MARK W · CIK 0000940763 · Director · President and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Common Stock · 50,000 shares

Expires 2028-09-26

F1 · derivative.exercise_date: The option vests as follows: 16,667 shares on September 26, 2019, 16,667 shares on September 26, 2020, and 16,666 shares on September 26, 2021.

Read SEC document
September 27, 2017 Filed Sep 29, 2017 18:46 UTC PURE CYCLE CORP PURE · Entity 6069 GrantNon-Statutory Stock Option · Derivative 50,000 $0.00 Strike: $7.60 $0.00
Disclosure

SEC source: 0001654954-17-008966 · section16.xml · derivative · entry 1

HARDING MARK W · CIK 0000940763 · Director · President & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Common Stock · 50,000 shares

Expires 2027-09-27

F1 · derivative.exercise_date: The common stock options vest as follows: one third on 09/27/2018, one third one 09/27/2019 and one-third on 09/27/2020.

Read SEC document
October 12, 2016 Filed Oct 14, 2016 15:20 UTC PURE CYCLE CORP PCYO · Entity 6069 GrantNon-Statutory Stock Option · Derivative 50,000 $0.00 Strike: $5.61 $0.00
Disclosure

SEC source: 0001354488-16-008383 · issuerdirect_section16.xml · derivative · entry 1

HARDING MARK W · CIK 0000940763 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Common Stock · 50,000 shares

Expires 2016-10-12

F1 · derivative.exercise_date: The common stock options vest as follows: one third on 10/12/17, on-third on 10/12/18 and one-third on 10/12/19.

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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.