BSM

SEC source: 0001209191-22-002939 · doc4.xml · nonDerivative · entry 1

Kyle Jerry V. Jr. · CIK 0001636920 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 233,274

F1 · kind: Pursuant to a previous arrangement, the Reporting Person elected to receive common units in lieu of a cash retainer for service on the Board of Directors of the Partnership's General Partner.

SEC source: 0001209191-21-059659 · doc4.xml · nonDerivative · entry 1

Randall William E. · CIK 0001709335 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 101,443

F1 · kind: Pursuant to a previous arrangement, the Reporting Person elected to receive common units in lieu of a cash retainer for service on the Board of Directors of the Partnership's General Partner.

SEC source: 0001209191-21-059662 · doc4.xml · nonDerivative · entry 1

Stuart Alexander D. · CIK 0001639921 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,136

F1 · kind: Pursuant to a previous arrangement, the Reporting Person elected to receive common units in lieu of a cash retainer for service on the Board of Directors of the Partnership's General Partner.

SEC source: 0001209191-21-059656 · doc4.xml · nonDerivative · entry 1

Mathis William N. · CIK 0001640004 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 169,618

F1 · kind: Pursuant to a previous arrangement, the Reporting Person elected to receive common units in lieu of a cash retainer for service on the Board of Directors of the Partnership's General Partner.

SEC source: 0001209191-21-059654 · doc4.xml · nonDerivative · entry 1

Kyle Jerry V. Jr. · CIK 0001636920 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 231,191

F1 · kind: Pursuant to a previous arrangement, the Reporting Person elected to receive common units in lieu of a cash retainer for service on the Board of Directors of the Partnership's General Partner.

SEC source: 0001209191-21-054532 · doc4.xml · nonDerivative · entry 1

Smajstrla Dawn · CIK 0001499188 · VP, Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,884

F1 · price: The price reported in Column 4 is a weighted average price. These common units were sold in multiple transactions at prices ranging from $9.97 to $9.98, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of common units sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001209191-21-049695 · doc4.xml · nonDerivative · entry 1

Clark Carrie Pearson · CIK 0001805482 · SVP, Land and Legal

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,255

F1 · kind: Common units subject to a restricted unit award issued pursuant to the Black Stone Minerals, L.P. Long-Term Incentive Plan (the "LTIP"). Except as otherwise provided in the LTIP or the award agreement governing the award, the common units will vest in three equal installments on each of January 7, 2022, January 7, 2023, and January 7, 2024, so long as the Reporting Person remains continuously employed by the Issuer, Black Stone Minerals GP, L.L.C. (the "General Partner"), or any of their respective affiliates through each such vesting date.

SEC source: 0001209191-21-045515 · doc4.xml · nonDerivative · entry 1

Stuart Alexander D. · CIK 0001639921 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,549

F1 · kind: Pursuant to a previous arrangement, the Reporting Person elected to receive common units in lieu of a cash retainer for service on the Board of Directors of the Partnership's General Partner.

SEC source: 0001209191-21-045512 · doc4.xml · nonDerivative · entry 1

Randall William E. · CIK 0001709335 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,121

F1 · kind: Pursuant to a previous arrangement, the Reporting Person elected to receive common units in lieu of a cash retainer for service on the Board of Directors of the Partnership's General Partner.

SEC source: 0001209191-21-045508 · doc4.xml · nonDerivative · entry 1

Mathis William N. · CIK 0001640004 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 168,120

F1 · kind: Pursuant to a previous arrangement, the Reporting Person elected to receive common units in lieu of a cash retainer for service on the Board of Directors of the Partnership's General Partner.

SEC source: 0001209191-21-045505 · doc4.xml · nonDerivative · entry 1

Kyle Jerry V. Jr. · CIK 0001636920 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 229,869

F1 · kind: Pursuant to a previous arrangement, the Reporting Person elected to receive common units in lieu of a cash retainer for service on the Board of Directors of the Partnership's General Partner.

SEC source: 0001209191-21-035014 · doc4.xml · nonDerivative · entry 1

Putman Luke Stevens · CIK 0001337171 · SVP, GC, and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 465,956

F1 · price: The price reported in Column 4 is a weighted average price. These common units were sold in multiple transactions at prices ranging from $9.61 to $10.01, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of common units sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001209191-21-035011 · doc4.xml · nonDerivative · entry 1

Carter Thomas L Jr · CIK 0001319960 · Director · CEO and Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,919,972

SEC source: 0001209191-21-031312 · doc4.xml · nonDerivative · entry 1

Wood Jeffrey P. · CIK 0001452833 · President, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 442,369

F1 · price: The price reported in Column 4 is a weighted average price. These common units were sold in multiple transactions at prices ranging from $10.41 to $10.60, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of common units sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001209191-21-025934 · doc4.xml · nonDerivative · entry 1

Stuart Alexander D. · CIK 0001639921 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,770

F1 · kind: Pursuant to a previous arrangement, the Reporting Person elected to receive common units in lieu of a cash retainer for service on the Board of Directors of the Partnership's General Partner.

SEC source: 0001209191-21-025930 · doc4.xml · nonDerivative · entry 1

Randall William E. · CIK 0001709335 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 98,639

F1 · kind: Pursuant to a previous arrangement, the Reporting Person elected to receive common units in lieu of a cash retainer for service on the Board of Directors of the Partnership's General Partner.

SEC source: 0001209191-21-025928 · doc4.xml · nonDerivative · entry 1

Mathis William N. · CIK 0001640004 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 166,440

F1 · kind: Pursuant to a previous arrangement, the Reporting Person elected to receive common units in lieu of a cash retainer for service on the Board of Directors of the Partnership's General Partner.

SEC source: 0001209191-21-025925 · doc4.xml · nonDerivative · entry 1

Longmaid John H. · CIK 0001636921 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: Pursuant to a previous arrangement, the Reporting Person elected to receive common units in lieu of a cash retainer for service on the Board of Directors of the Partnership's General Partner.

F2 · balance_after: In a transaction after the award date, Mr. Longmaid transferred 1,827 common units owned directly to The Longmaid Family Trust.

SEC source: 0001209191-21-025922 · doc4.xml · nonDerivative · entry 1

Kyle Jerry V. Jr. · CIK 0001636920 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 228,387

F1 · kind: Pursuant to a previous arrangement, the Reporting Person elected to receive common units in lieu of a cash retainer for service on the Board of Directors of the Partnership's General Partner.

SEC source: 0001209191-21-014377 · doc4.xml · nonDerivative · entry 2

Smajstrla Dawn · CIK 0001499188 · VP, Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,384

F1 · price: Represents settlement of performance units awarded under the Issuer's Long-Term Incentive Plan. For tax withholding purposes, the value of the common units was deemed to be equal to the closing price of BSM common units on February 23, 2021.

SEC source: 0001209191-21-014377 · doc4.xml · nonDerivative · entry 1

Smajstrla Dawn · CIK 0001499188 · VP, Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,892

F1 · acquired: Represents settlement of performance units awarded under the Issuer's Long-Term Incentive Plan. For tax withholding purposes, the value of the common units was deemed to be equal to the closing price of BSM common units on February 23, 2021.

SEC source: 0001209191-21-014379 · doc4.xml · nonDerivative · entry 2

Wood Jeffrey P. · CIK 0001452833 · President, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 492,369

F1 · price: Represents settlement of performance units awarded under the Issuer's Long-Term Incentive Plan. For tax withholding purposes, the value of the common units was deemed to be equal to the closing price of BSM common units on February 23, 2021.

SEC source: 0001209191-21-014379 · doc4.xml · nonDerivative · entry 1

Wood Jeffrey P. · CIK 0001452833 · President, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 527,583

F1 · acquired: Represents settlement of performance units awarded under the Issuer's Long-Term Incentive Plan. For tax withholding purposes, the value of the common units was deemed to be equal to the closing price of BSM common units on February 23, 2021.

SEC source: 0001209191-21-014368 · doc4.xml · nonDerivative · entry 2

Carter Thomas L Jr · CIK 0001319960 · Director · CEO and Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,948,272

F1 · acquired: Represents settlement of performance units awarded under the Issuer's Long-Term Incentive Plan. For tax withholding purposes, the value of the common units was deemed to be equal to the closing price of BSM common units on February 23, 2021.

SEC source: 0001209191-21-014368 · doc4.xml · nonDerivative · entry 1

Carter Thomas L Jr · CIK 0001319960 · Director · CEO and Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,033,322

F1 · acquired: Represents settlement of performance units awarded under the Issuer's Long-Term Incentive Plan. For tax withholding purposes, the value of the common units was deemed to be equal to the closing price of BSM common units on February 23, 2021.

SEC source: 0001209191-21-014372 · doc4.xml · nonDerivative · entry 2

Putman Luke Stevens · CIK 0001337171 · SVP, GC, and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 515,956

F1 · acquired: Represents settlement of performance units awarded under the Issuer's Long-Term Incentive Plan. For tax withholding purposes, the value of the common units was deemed to be equal to the closing price of BSM common units on February 23, 2021.

SEC source: 0001209191-21-014372 · doc4.xml · nonDerivative · entry 1

Putman Luke Stevens · CIK 0001337171 · SVP, GC, and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 530,264

F1 · acquired: Represents settlement of performance units awarded under the Issuer's Long-Term Incentive Plan. For tax withholding purposes, the value of the common units was deemed to be equal to the closing price of BSM common units on February 23, 2021.

SEC source: 0001209191-21-008187 · doc4.xml · nonDerivative · entry 1

Smajstrla Dawn · CIK 0001499188 · VP, Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,980

F1 · kind: Common units subject to a restricted unit award issued pursuant to the Black Stone Minerals, L.P. Long-Term Incentive Plan (the "LTIP"). Except as otherwise provided in the LTIP or the award agreement governing the award, the common units will vest in three equal installments on each of January 7, 2022, January 7, 2023, and January 7, 2024, so long as the Reporting Person remains continuously employed by the Issuer, Black Stone Minerals GP, L.L.C. (the "General Partner"), or any of their respective affiliates through each such vesting date.

SEC source: 0001209191-21-008190 · doc4.xml · nonDerivative · entry 1

Wood Jeffrey P. · CIK 0001452833 · President, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 423,673

F1 · kind: Common units subject to a restricted unit award issued pursuant to the Black Stone Minerals, L.P. Long-Term Incentive Plan (the "LTIP"). Except as otherwise provided in the LTIP or the award agreement governing the award, the common units will vest in three equal installments on each of January 7, 2022, January 7, 2023, and January 7, 2024, so long as the Reporting Person remains continuously employed by the Issuer, Black Stone Minerals GP, L.L.C. (the "General Partner"), or any of their respective affiliates through each such vesting date.

SEC source: 0001209191-21-008182 · doc4.xml · nonDerivative · entry 1

Carter Thomas L Jr · CIK 0001319960 · Director · CEO and Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,817,187

F1 · kind: Common units subject to a restricted unit award issued pursuant to the Black Stone Minerals, L.P. Long-Term Incentive Plan (the "LTIP"). Except as otherwise provided in the LTIP or the award agreement governing the award, the common units will vest in three equal installments on each of January 7, 2022, January 7, 2023, and January 7, 2024, so long as the Reporting Person remains continuously employed by the Issuer, Black Stone Minerals GP, L.L.C. (the "General Partner"), or any of their respective affiliates through each such vesting date.

SEC source: 0001209191-21-008184 · doc4.xml · nonDerivative · entry 1

Putman Luke Stevens · CIK 0001337171 · SVP, GC, and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 471,509

F1 · kind: Common units subject to a restricted unit award issued pursuant to the Black Stone Minerals, L.P. Long-Term Incentive Plan (the "LTIP"). Except as otherwise provided in the LTIP or the award agreement governing the award, the common units will vest in three equal installments on each of January 7, 2022, January 7, 2023, and January 7, 2024, so long as the Reporting Person remains continuously employed by the Issuer, Black Stone Minerals GP, L.L.C. (the "General Partner"), or any of their respective affiliates through each such vesting date.

SEC source: 0001209191-21-003505 · doc4.xml · nonDerivative · entry 1

BARTH CARIN MARCY · CIK 0001224909 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,907

SEC source: 0001209191-21-003512 · doc4.xml · nonDerivative · entry 1

Linn Michael C · CIK 0001349033 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 141,610

SEC source: 0001209191-21-003524 · doc4.xml · nonDerivative · entry 1

Thacker Allison K. · CIK 0001638374 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 96,002

SEC source: 0001209191-21-003522 · doc4.xml · nonDerivative · entry 1

Stuart Alexander D. · CIK 0001639921 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,577

SEC source: 0001209191-21-003519 · doc4.xml · nonDerivative · entry 1

Randall William E. · CIK 0001709335 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 96,812

SEC source: 0001209191-21-003514 · doc4.xml · nonDerivative · entry 1

Longmaid John H. · CIK 0001636921 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · balance_after: In a transaction after the award date, Mr. Longmaid transferred 15,414 common units owned directly to The Longmaid Family Trust.

SEC source: 0001209191-21-003516 · doc4.xml · nonDerivative · entry 1

Mathis William N. · CIK 0001640004 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 164,369

SEC source: 0001209191-21-003510 · doc4.xml · nonDerivative · entry 1

Kyle Jerry V. Jr. · CIK 0001636920 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 226,560

SEC source: 0001209191-21-003507 · doc4.xml · nonDerivative · entry 1

DeWalch D Mark · CIK 0001638259 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 203,075

SEC source: 0001209191-21-003081 · doc4.xml · nonDerivative · entry 1

Smajstrla Dawn · CIK 0001499188 · VP, Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,130

F1 · price: For tax withholding purposes, the value of the common units was deemed to be equal to the closing price of BSM common units on January 7, 2021.

SEC source: 0001209191-21-003086 · doc4.xml · nonDerivative · entry 1

Wood Jeffrey P. · CIK 0001452833 · President, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 295,705

F1 · price: For tax withholding purposes, the value of the common units was deemed to be equal to the closing price of BSM common units on January 7, 2021.

SEC source: 0001209191-21-003071 · doc4.xml · nonDerivative · entry 1

Carter Thomas L Jr · CIK 0001319960 · Director · CEO and Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,634,077

F1 · price: For tax withholding purposes, the value of the common units was deemed to be equal to the closing price of BSM common units on January 7, 2021.

SEC source: 0001209191-21-003075 · doc4.xml · nonDerivative · entry 1

Putman Luke Stevens · CIK 0001337171 · SVP, GC, and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 404,175

F1 · price: For tax withholding purposes, the value of the common units was deemed to be equal to the closing price of BSM common units on January 7, 2021.

SEC source: 0001209191-21-002261 · doc4.xml · nonDerivative · entry 1

Randall William E. · CIK 0001709335 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,398

F1 · kind: Pursuant to a previous arrangement, the Reporting Person elected to receive common units in lieu of a cash retainer for service on the Board of Directors of the Partnership's General Partner.

SEC source: 0001209191-21-002265 · doc4.xml · nonDerivative · entry 1

Stuart Alexander D. · CIK 0001639921 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,163

F1 · kind: Pursuant to a previous arrangement, the Reporting Person elected to receive common units in lieu of a cash retainer for service on the Board of Directors of the Partnership's General Partner.

F2 · balance_after: Prior to the date of this report, the Reporting Person contributed 701,392 common units representing limited partnership interests to a grantor retained annuity trust ("GRAT"), of which the Reporting Person is the trustee. Because the contribution to the GRAT is not a reportable transaction, the amount of securities beneficially owned with respect to the direct holdings reported by the Reporting Person has been reduced to reflect the contribution to the GRAT, which has been added as a new indirect holding.

SEC source: 0001209191-21-002256 · doc4.xml · nonDerivative · entry 1

Mathis William N. · CIK 0001640004 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 148,955

F1 · kind: Pursuant to a previous arrangement, the Reporting Person elected to receive common units in lieu of a cash retainer for service on the Board of Directors of the Partnership's General Partner.

SEC source: 0001209191-21-002244 · doc4.xml · nonDerivative · entry 1

Kyle Jerry V. Jr. · CIK 0001636920 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 211,146

F1 · kind: Pursuant to a previous arrangement, the Reporting Person elected to receive common units in lieu of a cash retainer for service on the Board of Directors of the Partnership's General Partner.

SEC source: 0001209191-20-054063 · doc4.xml · nonDerivative · entry 1

Stuart Alexander D. · CIK 0001639921 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 712,692

F1 · kind: Pursuant to a previous arrangement, the Reporting Person elected to receive common units in lieu of a cash retainer for service on the Board of Directors of the Partnership's General Partner.

SEC source: 0001209191-20-054057 · doc4.xml · nonDerivative · entry 1

Mathis William N. · CIK 0001640004 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 146,252

F1 · kind: Pursuant to a previous arrangement, the Reporting Person elected to receive common units in lieu of a cash retainer for service on the Board of Directors of the Partnership's General Partner.