William N. Mathis

Insider Reports History

Reporting-owner location: Houston, TX
Latest reporting-owner signature: /s/ Steve Putman, attorney-in-fact for William N. Mathis
Source: Latest parsed Forms 3/4/5 signature
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 William N. Mathis

Form 4 holding Director

Black Stone Minerals, L.P.

Security class: Common units representing limited partner interests
Shares / value: 842,637
Estimated value: $11,072,250
Report date: 03 Oct 2025
Price: $13.14
Ownership: By WM Capital Partners, L.P.

Form 4 holding Director

Black Stone Minerals, L.P.

Security class: Common units representing limited partner interests
Shares / value: 324,763
Estimated value: $4,267,385
Report date: 03 Oct 2025
Price: $13.14
Ownership: By Travis A. Mathis Special Trust

Form 4 holding Director

Black Stone Minerals, L.P.

Security class: Common units representing limited partner interests
Shares / value: 295,574
Estimated value: $3,883,842
Report date: 03 Oct 2025
Price: $13.14
Ownership: By William Mathis 2012 Trust

Form 4 holding Director

Black Stone Minerals, L.P.

Security class: Common units representing limited partner interests
Shares / value: 295,573
Estimated value: $3,883,829
Report date: 03 Oct 2025
Price: $13.14
Ownership: By Travis Mathis 2012 Trust

Form 4 holding Director

Black Stone Minerals, L.P.

Security class: Common units representing limited partner interests
Shares / value: 246,200
Estimated value: $3,235,068
Report date: 03 Oct 2025
Price: $13.14
Ownership: Direct

Form 4 holding Director

Black Stone Minerals, L.P.

Security class: Common units representing limited partner interests
Shares / value: 178,913
Estimated value: $2,350,916
Report date: 03 Oct 2025
Price: $13.14
Ownership: By Conti Street Partners, L.P.

Form 4 holding Director

Black Stone Minerals, L.P.

Security class: Common units representing limited partner interests
Shares / value: 54,690
Estimated value: $718,626
Report date: 03 Oct 2025
Price: $13.14
Ownership: By Willen Partners LP

Form 4 holding Director

Black Stone Minerals, L.P.

Security class: Common units representing limited partner interests
Shares / value: 12,153
Estimated value: $159,690
Report date: 03 Oct 2025
Price: $13.14
Ownership: By W2M Limited

Form 4 holding Director

Black Stone Minerals, L.P.

Security class: Common units representing limited partner interests
Shares / value: 10,437
Estimated value: $137,142
Report date: 03 Oct 2025
Price: $13.14
Ownership: By Travis Mathis 2012 GSTE

Form 4 holding Director

Black Stone Minerals, L.P.

Security class: Common units representing limited partner interests
Shares / value: 10,436
Estimated value: $137,129
Report date: 03 Oct 2025
Price: $13.14
Ownership: By William Mathis 2012 GSTE

Insider Reports Filed by William N. Mathis

4 BSM

Black Stone Minerals, L.P.

Report period: 03 Oct 2025
Transactions: 1
Transaction value: +$31,247
Accepted by SEC: 07 Oct 2025, 17:04
Role: Director
Next action: Open filing details

4 BSM

Black Stone Minerals, L.P.

Report period: 03 Jul 2025
Transactions: 1
Transaction value: +$21,242
Accepted by SEC: 03 Jul 2025, 17:31
Role: Director
Next action: Open filing details

4 BSM

Black Stone Minerals, L.P.

Report period: 20 Jun 2025
Transactions: 3
Transaction value: $0
Accepted by SEC: 20 Jun 2025, 17:29
Role: Director
Next action: Open filing details

4 BSM

Black Stone Minerals, L.P.

Report period: 04 Apr 2025
Transactions: 1
Transaction value: +$21,241
Accepted by SEC: 07 Apr 2025, 17:03
Role: Director
Next action: Open filing details

4 BSM

Black Stone Minerals, L.P.

Report period: 13 Jan 2025
Transactions: 1
Transaction value: $0
Accepted by SEC: 15 Jan 2025, 17:40
Role: Director
Next action: Open filing details

4 BSM

Black Stone Minerals, L.P.

Report period: 03 Jan 2025
Transactions: 1
Transaction value: +$21,243
Accepted by SEC: 07 Jan 2025, 17:12
Role: Director
Next action: Open filing details

4 BSM

Black Stone Minerals, L.P.

Report period: 04 Oct 2024
Transactions: 1
Transaction value: +$21,246
Accepted by SEC: 08 Oct 2024, 17:28
Role: Director
Next action: Open filing details

4 BSM

Black Stone Minerals, L.P.

Report period: 05 Jul 2024
Transactions: 1
Transaction value: +$21,249
Accepted by SEC: 08 Jul 2024, 19:21
Role: Director
Next action: Open filing details

4 BSM

Black Stone Minerals, L.P.

Report period: 05 Apr 2024
Transactions: 1
Transaction value: +$21,237
Accepted by SEC: 09 Apr 2024, 17:05
Role: Director
Next action: Open filing details

4 BSM

Black Stone Minerals, L.P.

Report period: 11 Jan 2024
Transactions: 1
Transaction value: $0
Accepted by SEC: 16 Jan 2024, 17:07
Role: Director
Next action: Open filing details

4 BSM

Black Stone Minerals, L.P.

Report period: 05 Jan 2024
Transactions: 1
Transaction value: +$21,243
Accepted by SEC: 09 Jan 2024, 17:05
Role: Director
Next action: Open filing details

4 BSM

Black Stone Minerals, L.P.

Report period: 06 Oct 2023
Transactions: 1
Transaction value: +$21,245
Accepted by SEC: 10 Oct 2023, 17:00
Role: Director
Next action: Open filing details

4 BSM

Black Stone Minerals, L.P.

Report period: 07 Jul 2023
Transactions: 1
Transaction value: +$21,245
Accepted by SEC: 11 Jul 2023, 18:00
Role: Director
Next action: Open filing details

4 BSM

Black Stone Minerals, L.P.

Report period: 06 Apr 2023
Transactions: 1
Transaction value: +$21,244
Accepted by SEC: 07 Apr 2023, 18:00
Role: Director
Next action: Open filing details

4 BSM

Black Stone Minerals, L.P.

Report period: 11 Jan 2023
Transactions: 1
Transaction value: $0
Accepted by SEC: 13 Jan 2023, 17:00
Role: Director
Next action: Open filing details

4 BSM

Black Stone Minerals, L.P.

Report period: 06 Jan 2023
Transactions: 1
Transaction value: +$21,239
Accepted by SEC: 10 Jan 2023, 17:00
Role: Director
Next action: Open filing details

4 BSM

Black Stone Minerals, L.P.

Report period: 07 Oct 2022
Transactions: 1
Transaction value: +$21,237
Accepted by SEC: 11 Oct 2022, 18:29
Role: Director
Next action: Open filing details

4 BSM

Black Stone Minerals, L.P.

Report period: 01 Jul 2022
Transactions: 1
Transaction value: +$21,247
Accepted by SEC: 05 Jul 2022, 18:58
Role: Director
Next action: Open filing details

4 BSM

Black Stone Minerals, L.P.

Report period: 01 Apr 2022
Transactions: 1
Transaction value: +$21,240
Accepted by SEC: 05 Apr 2022, 18:00
Role: Director
Next action: Open filing details

4 BSM

Black Stone Minerals, L.P.

Report period: 07 Jan 2022
Transactions: 2
Transaction value: +$24,436
Accepted by SEC: 11 Jan 2022, 17:01
Role: Director
Next action: Open filing details

4 BSM

Black Stone Minerals, L.P.

Report period: 01 Oct 2021
Transactions: 1
Transaction value: +$18,051
Accepted by SEC: 05 Oct 2021, 18:36
Role: Director
Next action: Open filing details

4 BSM

Black Stone Minerals, L.P.

Report period: 02 Jul 2021
Transactions: 1
Transaction value: +$18,060
Accepted by SEC: 06 Jul 2021, 16:42
Role: Director
Next action: Open filing details

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