Black Stone Minerals, L.P. (BSM) Insider Trading Activity

NYSE$14.49-0.4 (-2.69%)
Market Cap
$3.17B
Sector
Energy
Industry
Oil & Gas Exploration & Production
Rank in Sector
17 of 188
Rank in Industry
8 of 60

BSM Insider Trading Activity

BSM Median Price and Trade Amounts History Chart

Statistics of Insider Transactions

Amount of Insider Buys and Sells

Buys
$2,407,150
7
58
Sells
$29,539,016
5
42

Related Transactions

DeWalch D Markdirector
3
$1.48M
0
$0
$1.48M
Carter Thomas L JrExecutive Chairman
4
$924,455
0
$0
$924,455
Longmaid Ashley Jdirector
0
$0
1
$149,697
$-149,697
Putman Luke StevensSVP, General Counsel, and Sec
0
$0
3
$1.29M
$-1.29M
Whitehead Jamesdirector
0
$0
1
$28.1M
$-28.1M

About Black Stone Minerals, L.P.

Black Stone Minerals, L.P. and its subsidiaries are primarily engaged in the ownership and active management of oil and natural gas mineral interests. This entity, founded in 1876, is headquartered in Houston, Texas.

Insider Activity of Black Stone Minerals, L.P.

Over the last 12 months, insiders at Black Stone Minerals, L.P. have bought $2.41M and sold $29.54M worth of Black Stone Minerals, L.P. stock.

On average, over the past 5 years, insiders at Black Stone Minerals, L.P. have bought $2.81M and sold $6.62M worth of stock each year.

Highest buying activity among insiders over the last 12 months: DeWalch D Mark (director) — $1.48M. Carter Thomas L Jr (Executive Chairman) — $924,455.

The last purchase of 36,363 shares for transaction amount of $495,326 was made by DeWalch D Mark (director) on 2026‑06‑01.

List of Insider Buy and Sell Transactions, Black Stone Minerals, L.P.

2026-08-06SaleWhitehead Jamesdirector
2.13M
0.9326%
$13.21
$28.1M
+4.16%
2026-06-01PurchaseDeWalch D Markdirector
36,363
0.0171%
$13.62
$495,326
+8.68%
2026-05-29PurchaseDeWalch D Markdirector
36,363
0.017%
$13.48
$490,028
+9.20%
2026-05-28PurchaseDeWalch D Markdirector
37,650
0.0176%
$13.21
$497,341
+11.18%
2026-05-13PurchaseCarter Thomas L JrExecutive Chairman
1,120
0.0005%
$13.50
$15,120
+9.06%
2026-05-12SaleLongmaid Ashley Jdirector
11,128
0.0052%
$13.45
$149,697
+9.30%
2026-05-12PurchaseCarter Thomas L JrExecutive Chairman
19,154
0.009%
$13.48
$258,108
+9.30%
2026-05-11PurchaseCarter Thomas L JrExecutive Chairman
25,000
0.0119%
$13.47
$336,855
+10.28%
2026-05-08PurchaseCarter Thomas L JrExecutive Chairman
23,604
0.0111%
$13.32
$314,372
+10.84%
2026-05-05SalePutman Luke StevensSVP, General Counsel, and Sec
29,386
0.0139%
$13.75
$403,999
+9.85%
2026-04-06SalePutman Luke StevensSVP, General Counsel, and Sec
29,386
0.0138%
$14.45
$424,678
+2.03%
2026-03-05SalePutman Luke StevensSVP, General Counsel, and Sec
30,276
0.0141%
$15.25
$461,585
-2.98%
2025-09-12PurchaseCarter Thomas L JrCEO, President, and Chairman
14,000
0.0066%
$12.59
$176,204
+18.34%
2025-09-11PurchaseCarter Thomas L JrCEO, President, and Chairman
1,300
0.0006%
$12.39
$16,109
+17.88%
2025-09-10PurchaseCarter Thomas L JrCEO, President, and Chairman
10,536
0.005%
$12.32
$129,794
+20.19%
2025-09-09PurchaseCarter Thomas L JrCEO, President, and Chairman
1,307
0.0006%
$12.07
$15,770
+22.16%
2025-09-08PurchaseCarter Thomas L JrCEO, President, and Chairman
13,527
0.0064%
$11.90
$160,937
+24.18%
2025-08-20PurchaseCarter Thomas L JrCEO, President, and Chairman
21,000
0.0099%
$12.03
$252,620
+22.19%
2025-08-19PurchaseCarter Thomas L JrCEO, President, and Chairman
20,000
0.0095%
$11.97
$239,330
+23.44%
2025-08-12PurchaseCarter Thomas L JrCEO, President, and Chairman
9,200
0.0045%
$12.36
$113,723
+18.46%
Total: 149
*Gray background shows transactions not older than one year

Insider Historical Profitability

3.9%
Carter Thomas L JrExecutive Chairman
3682724
1.7313%
$54.84M550
+6.62%
Putman Luke StevensSVP, General Counsel, and Sec
702645
0.3303%
$10.46M122
<0.0001%
DeWalch D Markdirector
631248
0.2968%
$9.4M120
<0.0001%
Sinclair Robert E. W.director
1883862
0.8856%
$28.05M10
<0.0001%
Longmaid John H.director
1047347
0.4924%
$15.59M10
+16.63%
Dorn Holbrook FSVP, Business Development
730129
0.3432%
$10.87M14
<0.0001%
Mathis William N.director
436816
0.2054%
$6.5M51
+12%
Morris BrockSVP, Engineering and Geology
345188
0.1623%
$5.14M113
<0.0001%
Stuart Alexander D.director
335234
0.1576%
$4.99M60
+5.57%
Skov AllanSee Remarks
201827
0.0949%
$3.01M10
<0.0001%
BARDEL WILLIAM Gdirector
125496
0.059%
$1.87M10
+13.17%
Thacker Allison K.director
38962
0.0183%
$580,144.1810
<0.0001%
Haeflinger Ricky J.director
10000
0.0047%
$148,900.0040
+2.11%
BARTH CARIN MARCYdirector
7763
0.0036%
$115,591.0710
<0.0001%
Kyle Jerry V. Jr.director
1000
0.0005%
$14,890.0010
+6.39%
*Gray background shows insiders who have made transactions during last year

BSM Institutional Investors: Active Positions

Increased Positions82+40.59%9M+25.94%
Decreased Positions69-34.16%3M-7.72%
New Positions19New4MNew
Sold Out Positions22Sold Out1MSold Out
Total Postitions215+6.44%40M+18.22%

BSM Ownership Change vs Market

Institutional Investor Ownership

Top Shareholders
Top Buyers
Top Sellers
New Shareholders
Sold-Out Shareholders
Active Shareholders
William Marsh Rice University$76,514.002.67%5.66M00%2025-09-30
Morgan Stanley$61,131.002.13%4.52M+648,031+16.72%2025-09-30
Bank Of America Corp /De/$35,128.001.23%2.6M+56,368+2.22%2025-09-30
Investment Management Associates Inc /Adv$26,138.000.91%1.93M+356,852+22.62%2025-09-30
Penn Davis Mcfarland Inc$25,923.000.91%1.92M+66,898+3.61%2025-09-30
Natixis$19,684.000.69%1.46M00%2025-09-30
Brown Advisory Inc$11,982.000.42%886,934-10,000-1.11%2025-09-30
Mudita Advisors Llp$10,279.000.36%760,87700%2025-09-30
Concorde Financial Corp$8,872.000.31%656,670+55,175+9.17%2025-09-30
Hightower Advisors, Llc$8,223.000.29%608,649-46,981-7.17%2025-09-30

Financial Ratios

Summary
Comparison with Competitors

Price to Earnings

Price/Earnings to Growth

Price to Sales

Price to Book

Price/Free Cash Flow

Analyst Recommendations

Analyst Price Targets

Prismo does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.
Information is provided 'as-is' and solely for informational purposes and is not advice. Prismo does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.