Stuart D. Porter

Insider Reports History

Reporting-owner location: Boston, MA
Latest reporting-owner signature: /s/ Stuart D. Porter
Transaction source note: Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.

Reported holdings for Stuart D. Porter

Form 4 holding Director, 10%+ Owner

AirJoule Technologies Corp.

Security class: Class A Common Stock
Shares / value: 18,755,774
Estimated value: $47,076,992
Report date: 28 May 2026
Price: $2.51
Ownership: By: Three Curve Capital LP

Form 4 holding Director, 10%+ Owner

AirJoule Technologies Corp.

Security class: Class A Common Stock
Shares / value: 804,916
Estimated value: $2,020,339
Report date: 28 May 2026
Price: $2.51
Ownership: Direct

Form 4 holding Director

GameSquare Holdings, Inc.

Security class: Common Stock
Shares / value: 1,049,357
Estimated value: $545,665
Report date: 04 Dec 2025
Price: $0.5200
Ownership: Direct

Form 4 holding Director

GameSquare Holdings, Inc.

Security class: Common Stock
Shares / value: 216,666
Estimated value: $112,666
Report date: 04 Dec 2025
Price: $0.5200
Ownership: Indirect

Form 4 holding Director

LIXTE BIOTECHNOLOGY HOLDINGS, INC.

Security class: Common Stock
Shares / value: 25,000
Estimated value: $76,750
Report date: 29 May 2026
Price: $3.07
Ownership: Direct

Form 4 holding Director, 10%+ Owner

AirJoule Technologies Corp.

Security class: Restricted Stock Units
Shares / value: 30,227
Estimated value: $45,900
Report date: 28 May 2026
Price: $8.50
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount

Form 4 holding Director

ChampionX Corp

Security class: Common Stock
Shares / value: 0
Estimated value: $0
Report date: 16 Jul 2025
Price: $24.84
Ownership: Direct

Form 4 holding 10%+ Owner

KLX Energy Services Holdings, Inc.

Security class: Common Stock
Shares / value: 0
Estimated value: $0
Report date: 11 Mar 2024
Price: $8.28
Ownership: Indirect

Form 4 holding Director

GameSquare Holdings, Inc.

Security class: Restricted Stock Units
Shares / value: 0
Estimated value
Report date: 04 Dec 2025
Price
Ownership: Direct
Underlying class: Common Stock
Underlying amount

Insider Reports Filed by Stuart D. Porter

4 LIXT

LIXTE BIOTECHNOLOGY HOLDINGS, INC.

Report period: 29 May 2026
Transactions: 1
Transaction value: $0
Accepted by SEC: 01 Jun 2026, 16:01
Role: Director
Next action: Open filing details

3 LIXT

LIXTE BIOTECHNOLOGY HOLDINGS, INC.

Report period: 29 May 2026
Transactions: 0
Transaction value: $0
Accepted by SEC: 01 Jun 2026, 16:00
Role: Director
Next action: Open filing details

4 AIRJ

AirJoule Technologies Corp.

Report period: 28 May 2026
Transactions: 3
Transaction value: $0
Accepted by SEC: 01 Jun 2026, 19:37
Role: Director, 10%+ Owner
Next action: Open filing details

4 AIRJ

AirJoule Technologies Corp.

Report period: 15 Jan 2026
Transactions: 1
Transaction value: +$500,000
Accepted by SEC: 20 Jan 2026, 08:34
Role: Director, 10%+ Owner
Next action: Open filing details

4 AIRJ

AirJoule Technologies Corp.

Report period: 08 Dec 2025
Transactions: 3
Transaction value: +$999,950
Accepted by SEC: 10 Dec 2025, 20:10
Role: Director, 10%+ Owner
Next action: Open filing details

4 GAME

GameSquare Holdings, Inc.

Report period: 04 Dec 2025
Transactions: 3
Transaction value: $0
Accepted by SEC: 09 Dec 2025, 09:00
Role: Director
Next action: Open filing details

4 CHX

ChampionX Corp

Report period: 16 Jul 2025
Transactions: 2
Transaction value: $0
Accepted by SEC: 16 Jul 2025, 09:44
Role: Director
Next action: Open filing details

4 AIRJ

AirJoule Technologies Corp.

Report period: 29 May 2025
Transactions: 3
Transaction value: $0
Accepted by SEC: 02 Jun 2025, 20:40
Role: Director, 10%+ Owner
Next action: Open filing details

4 AIRJ

AirJoule Technologies Corp.

Report period: 26 Dec 2024
Transactions: 2
Transaction value: $0
Accepted by SEC: 06 Jan 2025, 19:12
Role: Director, 10%+ Owner
Next action: Open filing details

4 CHX

ChampionX Corp

Report period: 15 Nov 2024
Transactions: 1
Transaction value: $0
Accepted by SEC: 18 Nov 2024, 18:24
Role: Director
Next action: Open filing details

4 GAME

GameSquare Holdings, Inc.

Report period: 16 Aug 2024
Transactions: 1
Transaction value: $0
Accepted by SEC: 20 Aug 2024, 19:31
Role: Director
Next action: Open filing details

4 AIRJ

Montana Technologies Corp.

Report period: 06 Jun 2024
Transactions: 2
Transaction value: $0
Accepted by SEC: 10 Jun 2024, 21:41
Role: Director, 10%+ Owner
Next action: Open filing details

4 AIRJ

Montana Technologies Corp.

Report period: 14 Mar 2024
Transactions: 2
Transaction value: +$2,500,003
Accepted by SEC: 19 Mar 2024, 06:31
Role: Director, 10%+ Owner
Next action: Open filing details

3 AIRJ

Montana Technologies Corp.

Report period: 14 Mar 2024
Transactions: 0
Transaction value: $0
Accepted by SEC: 19 Mar 2024, 06:14
Role: Director
Next action: Open filing details

4 KLXE

KLX Energy Services Holdings, Inc.

Report period: 11 Mar 2024
Transactions: 1
Transaction value: $0
Accepted by SEC: 13 Mar 2024, 16:55
Role: 10%+ Owner
Next action: Open filing details

4 GAME

GameSquare Holdings, Inc.

Report period: 07 Mar 2024
Transactions: 2
Transaction value: +$1,150,000
Accepted by SEC: 12 Mar 2024, 16:00
Role: Director
Next action: Open filing details

3 GAME

GameSquare Holdings, Inc.

Report period: 01 Jan 2024
Transactions: 0
Transaction value: $0
Accepted by SEC: 05 Jan 2024, 18:46
Role: Director
Next action: Open filing details

4 CHX

ChampionX Corp

Report period: 15 Nov 2023
Transactions: 1
Transaction value: $0
Accepted by SEC: 16 Nov 2023, 17:48
Role: Director
Next action: Open filing details

4 KLXE

KLX Energy Services Holdings, Inc.

Report period: 11 Sep 2023
Transactions: 1
Transaction value: $0
Accepted by SEC: 13 Sep 2023, 16:17
Role: 10%+ Owner
Next action: Open filing details

4 KLXE

KLX Energy Services Holdings, Inc.

Report period: 15 Jun 2023
Transactions: 1
Transaction value: $0
Accepted by SEC: 07 Jul 2023, 18:47
Role: 10%+ Owner
Next action: Open filing details

4 KLXE

KLX Energy Services Holdings, Inc.

Report period: 15 May 2023
Transactions: 1
Transaction value: $0
Accepted by SEC: 17 May 2023, 16:30
Role: 10%+ Owner
Next action: Open filing details

3 KLXE

KLX Energy Services Holdings, Inc.

Report period: 08 Mar 2023
Transactions: 0
Transaction value: $0
Accepted by SEC: 20 Mar 2023, 16:30
Role: 10%+ Owner
Next action: Open filing details

4 CHX

ChampionX Corp

Report period: 15 Nov 2022
Transactions: 1
Transaction value: $0
Accepted by SEC: 16 Nov 2022, 16:31
Role: Director
Next action: Open filing details

4 CHX

ChampionX Corp

Report period: 15 Nov 2021
Transactions: 1
Transaction value: $0
Accepted by SEC: 17 Nov 2021, 17:07
Role: Director
Next action: Open filing details

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