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Black Stone Minerals, L.P.

BSM Net selling

CIK 0001621434 #1715 in the set updated 17 Sep 2026

Bought (12 mo)

$2.41M

out of their own pocket, the only kind of buying there is

Sold (12 mo)

$29.54M

$865.58K on a plan · $0.00 straight out of an exercise

Sold at will

$28.67M

4 of 6 sales

Net

−$27.13M

−$26.27M against sales at will

By person

17 insiders · 13 transactions

Insider

Role

Bought

Sold

Net

Holding

Worth

Change

Whitehead James

Director

—

$28.10M (2)

−$28.10M

697,923

$9.22M

−75.1%

DeWalch D Mark

Director

$1.48M (3)

—

+$1.48M

1,064,085

$14.06M

+16.2%

Putman Luke Stevens

SVP, General Counsel, and Sec

—

$1.29M (3) scheduled

−$1.29M

702,645

$9.28M

+18.8%

Carter Thomas L Jr

Executive Chairman

$924.45K (4)

—

+$924.45K

3,682,724

$48.65M

+17.5%

Longmaid Ashley J

Director

—

$149.70K (1)

−$149.70K

137,335

$1.81M

+10.8%

Stuart Alexander D.

Director

—

2,040,075

$26.95M

+0.2%

Kyle Jerry V. Jr.

Director

—

330,154

$4.36M

+16.1%

Mathis William N.

Director

—

258,353

$3.41M

+124.2%

Linn Michael C

Director

—

208,150

$2.75M

+15.3%

Randall William E.

Director

—

193,384

$2.55M

+25.1%

Clark Carrie Pearson

SVP, Chief Commercial Officer

—

165,857

$2.19M

+41.9%

BARTH CARIN MARCY

Director

—

142,447

$1.88M

+24.0%

DeWalch Taylor

Co-CEO and President

—

141,369

$1.87M

+887.9%

Carter Fowler

Co-CEO and President

—

125,379

$1.66M

+175.7%

Bonner Chris

SVP, CFO, and Treasurer

—

50,678

$669.46K

+1,970%

Hamman Anne Lenoir

Director

—

8,428

$111.33K

—

Phillips Erin Leah

Controller (PAO)

—

3,911

$51.66K

+84.5%

No percentages here. Black Stone Minerals, L.P. reports its share count only per share class, which the XBRL frames API does not carry.

Individual transactions

Insider

Date

Role

Action

Price

Amount

Whitehead James

6 Aug 2026

Director

Sell indirect

1,628,762

$13.21

$21.52M

Whitehead James

6 Aug 2026

Director

Sell indirect

498,343

$13.21

$6.58M

DeWalch D Mark

1 Jun 2026

Director

Buy indirect

36,363

$13.62

$495.33K

DeWalch D Mark

29 May 2026

Director

Buy indirect

36,363

$13.48

$490.03K

DeWalch D Mark

28 May 2026

Director

Buy

37,650

$13.21

$497.34K

Carter Thomas L Jr

13 May 2026

Executive Chairman

Buy

1,120

$13.50

$15.12K

Carter Thomas L Jr

12 May 2026

Executive Chairman

Buy

19,154

$13.48

$258.11K

Longmaid Ashley J

12 May 2026

Director

Sell

11,128

$13.45

$149.70K

Carter Thomas L Jr

11 May 2026

Executive Chairman

Buy

25,000

$13.47

$336.86K

Carter Thomas L Jr

8 May 2026

Executive Chairman

Buy

23,604

$13.32

$314.37K

Putman Luke Stevens

5 May 2026

SVP, General Counsel, and Sec

Sold on a plan

29,386

$13.75

$404.00K

Putman Luke Stevens

6 Apr 2026

SVP, General Counsel, and Sec

Sell

29,386

$14.45

$424.68K

Putman Luke Stevens

5 Mar 2026

SVP, General Counsel, and Sec

Sold on a plan

30,276

$15.25

$461.58K

What was left out

Form 4 filings counted 56

Amendments (4/A) skipped 2

Filings about a different issuer 0

Unreadable filings 0

Joint filings 0

Sales on a Rule 10b5-1 plan 2

Sales straight out of an exercise 0

Sales at will 4

Transactions with no price 0

Shares from compensation/vesting 844,498

History held since 11 Oct 2016