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BSM · Black Stone Minerals, L.P.
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BSM Black Stone Minerals (BSM) Insider Trading, Ownership & Congress Trades

Energy · Crude petroleum & natural gas · CIK 0001621434
Quote by TradingView
C-suite buying · 1Form 144 · 2
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
80
13F, latest reported quarter

What the filings say about BSM

Insiders, 180 days
-$26.2M net sold
2 buyers · 3 sellers · 0% of sales under a 10b5-1 plan
Planned sales (Form 144), 90 days
$28.1M
2 notices

Black Stone Minerals insider trades (Form 4)

Form 4 buys and sells (codes P and S). Grants, option exercises and conversions excluded.

Over the last 180 days, Black Stone Minerals, L.P. insiders sold a net $26.2M of stock across 59 Form 4 purchases and sales, with 2 insiders buying. Source: SEC Form 4 filings, as of 2026-10-28.

Insider
Filed
Shares
Value
Since filing
Whitehead James
Director
SELL
2026-08-10 SECtraded 2026-08-06
498,343
$6.6M
+4.4%
Context
  • First Form 4 purchase or sale (code P or S) here by this insider on our record.
  • No other insider sold within 30 days.
  • 80 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Whitehead James sold about $6.6M of BSM on Aug 6, 2026, the largest insider sale at the company on our record; 80 funds added in the latest 13F quarter.
Whitehead James
Director
SELL
2026-08-10 SECtraded 2026-08-06
1,628,762
$21.5M
+4.4%
Context
  • First Form 4 purchase or sale (code P or S) here by this insider on our record.
  • The trade is 252.1% of the 646,058 shares held after it.
  • No other insider sold within 30 days.
  • 80 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Whitehead James sold about $21.5M of BSM on Aug 6, 2026, the largest insider sale at the company on our record; 80 funds added in the latest 13F quarter.
DeWalch D Mark
Director
BUY
2026-06-02 SECtraded 2026-06-01
36,363
$495.3K
+8.7%
Context
  • 8 earlier Form 4 trades (code P or S) here by this insider (8 buys), the last on May 29, 2026.
  • +6.6% median (+3.7% mean) 90-day return after 7 previous buys.
  • The trade is 5.8% of the 631,248 shares held after it.
  • 1 other insider bought within 30 days.
  • 80 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director DeWalch D Mark bought about $495.3K of BSM on Jun 1, 2026; 1 other insider bought within 30 days and 80 funds added in the latest 13F quarter.
DeWalch D Mark
Director
BUY
2026-06-02 SECtraded 2026-05-29
36,363
$490.2K
+8.7%
Context
  • 7 earlier Form 4 trades (code P or S) here by this insider (7 buys), the last on May 28, 2026.
  • +5.6% median (+2.3% mean) 90-day return after 6 previous buys.
  • The trade is 6.1% of the 594,885 shares held after it.
  • 1 other insider bought within 30 days.
  • 80 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director DeWalch D Mark bought about $490.2K of BSM on May 29, 2026; 1 other insider bought within 30 days and 80 funds added in the latest 13F quarter.
DeWalch D Mark
Director
BUY
2026-05-28 SEC
37,650
$497.4K
+11.6%
Context
  • 6 earlier Form 4 trades (code P or S) here by this insider (6 buys), the last on Aug 15, 2024.
  • +4.6% median (-0.0% mean) 90-day return after 5 previous buys.
  • The trade is 8.7% of the 431,495 shares held after it.
  • 1 other insider bought within 30 days.
  • 80 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director DeWalch D Mark bought about $497.4K of BSM on May 28, 2026, the largest insider purchase at the company since 2024; 1 other insider bought within 30 days and 80 funds added in the latest 13F quarter.
59 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
See all insider buying · insider selling
Showing the latest few. to see 54 more transactions and use the screener and CSV export. We store only your email; there is no password.
Seven facts, ranked against the sector · Rank is not a forecast
Insiders
net -$26.2M over 180 days
-$28.1M over 90 days
below 88% of Energy
Congress
no House purchase disclosed in the last 12 months
Funds
80 funds bought in last quarter
below 70% of Energy
Revenue
-3.9% year over year
below 58% of Energy
Margin
71.0% net margin
more than 99% of Energy
Buybacks
no share repurchases reported
Short interest
1.7% of the float short (float per yahoo 2026-10-26) · 8.1 days to cover · settled 2026-09-30
What changed in the last 30 days
Oct 28Insider buying stopped: no purchases in 90 days after 7 in the prior 90
Why it matters
The absence is the signal: 7 purchases in one 90-day window and none in the next is a change of behaviour, not a filing.

Watch BSM

A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.

The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
+23.3%12M
-1%+8%+17%+26%2025-102025-122026-022026-042026-062026-082026-10 2026-08-06 · Whitehead James sold $21.5M2026-08-06 · Whitehead James sold $6.6M2026-05-28 · DeWalch D Mark bought $497.4K2026-06-01 · DeWalch D Mark bought $495.3K2026-05-29 · DeWalch D Mark bought $490.2K2026-03-05 · Putman Luke Stevens sold $461.7K2026-04-06 · Putman Luke Stevens sold $424.6K2026-05-05 · Putman Luke Stevens sold $404.1K2026-05-11 · Carter Thomas L Jr bought $336.8K2026-05-08 · Carter Thomas L Jr bought $314.4K2026-05-12 · Carter Thomas L Jr bought $258.2K2026-05-12 · Longmaid Ashley J sold $149.7K2026-05-13 · Carter Thomas L Jr bought $15.1K2026-08-06 · LACY PROPERTIES, LTD. filed to sell $21.5M2026-08-06 · EAGLE GATHERING SYSTEM filed to sell $6.6M
Insider buyInsider sellForm 144 (planned sale)
Indexed to 100, dividend-adjusted, not a price chart. When a name files heavily, the largest trades are drawn first.

Who owns BSM: institutional holders (13F)

13F holdings, latest reported quarter
MORGAN STANLEY
8,899,403 sh
$124.3M
William Marsh Rice University
5,663,476 sh
$79.1M
FMR LLC
4,518,071 sh
$63.1M
BANK OF AMERICA CORP /DE/
2,080,058 sh
$29.1M
PENN DAVIS MCFARLAND INC
1,958,137 sh
$27.4M

Congress trades in BSM

No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.

Activist and 5% holders (13D/13G)

No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.

BSM planned insider sales (Form 144)

Notice of intent to sell, filed before any sale
LACY PROPERTIES, LTD.
Filed 2026-08-06
$21.5M
EAGLE GATHERING SYSTEM
Filed 2026-08-06
$6.6M

BSM mutual fund holders (N-PORT)

Funds ranked by the share of their own portfolio in this stock (N-PORT).
Concorde Wealth Management Fund
$1.4M position · as of 2026-06-30
3.3%
GraniteShares HIPS U.S. High Income ETF
$2.9M position · as of 2026-06-30
2.6%
First Eagle Global Real Assets Fund
$437.8K position · as of 2026-07-31
1.6%
Amplify Energy & Natural Resources Covered Call ETF
$348.0K position · as of 2026-06-30
1.3%
LoCorr Spectrum Income Fund
$885.7K position · as of 2026-06-30
1.3%
Global X Alternative Income ETF
$517.4K position · as of 2026-05-31
1.2%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M · % is the share of the fund's own portfolio
Executive pay vs shareholder return · Thomas L. Carter
CEO pay, headline and as actually paid, against the company's return and its chosen peers' (DEF 14A).
FY
CEO total
Actually paid
Other execs, avg
TSR
Peer TSR
2025
$4.8M
$4.8M
$1.9M
+228%
+147%
2024
$4.7M
$4.9M
$1.5M
+227%
+152%
2023
$4.6M
$4.8M
$1.4M
+222%
+154%
2022
$4.9M
$11.0M
$2.2M
+203%
+144%
2021
$4.9M
$8.2M
$1.8M
+68%
+68%
Tagged by the company under SEC Item 402(v). Returns are cumulative from the start of the disclosure period. Green where the company beat its own peer group.
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
Insiders have filed to sell, before selling.
The record shows a net $26.2M sold by insiders over 180 days, 80 funds added last quarter, $28.1M in planned Form 144 sales. Each figure is a federal filing, dated the day it went public.
Backtest this pattern Open the screener
Same sector, ranked by filing activity
Sector by SEC SIC code
METCAMRPBFGULTUPRTCRCREPXCVXDMLPPARRTALODKL

BSM financials

Revenue growth
-3.9%
XBRL, annual
Net margin
71.0%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
n/a
the filed year and its quarters do not reconcile, so the trailing figure is withheld
Net margin, TTM
n/a
the filed year and its quarters do not reconcile, so the trailing figure is withheld
Free cash flow, TTM
n/a
capex not filed for the four quarters
Debt to equity
n/a
no equity line filed
Cash flow to debt
57.98x
TTM operating cash flow over long-term debt only, 2026-06-30
Return on equity
n/a
no equity line filed
Return on assets
+21.5%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on invested capital
n/a
tax provision or pre-tax income not filed for the four quarters
Return on capital employed
+22.9%
operating income (EBIT proxy) over average of 2025-06-30 and 2026-06-30 minus current liabilities
P/E, trailing
n/a
fewer than four consecutive quarters of diluted EPS
Enterprise value
n/a
no share count filed
FCF yield
n/a
no share count filed
PEG, trailing
n/a
fewer than four consecutive quarters of diluted EPS
Price as of 2026-10-27. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
2025-122024-122023-122022-12
Revenue$469.9M$439.4M$592.2M$784.3M
Operating income$308.4M$273.1M$423.6M$482.5M
Net income$299.9M$271.3M$422.5M$476.5M
Operating cash flow$310.2M$389.0M$521.3M$425.0M
Cash$1.5M$2.5M$70.3M$4.3M
Long-term debt$4.7M$1.9M$2.9M$3.6M
SEC XBRL, fiscal years, as known on 2026-10-28

BSM Stock Sonar score 6/7 axes

Find similar shapesCompare

BSM ranks highest on financial health (97th percentile) and profitability (96th), and lowest on institutional and government (22nd), among Energy peers.

ProfitHealthGrowthInsidersInstitutionsRisk
Profitability
96
Inputs
  • Return on equityno equity line filed
  • Return on assets+21.5% · 97 pct, sector of 129
  • Return on invested capitaltax provision or pre-tax income not filed for the four quarters
  • Return on capital employed+22.9% · 94 pct, sector of 110
Financial health
97
Inputs
  • Debt to equityno equity line filed
  • Cash flow to debt57.98x · 97 pct, sector of 115
Growth
42
Inputs
  • Revenue growth, YoY-3.9% · 42 pct, sector of 141
  • Backlog growth, YoYno backlog line filed, or no year-earlier backlog
Insider conviction
41
Inputs
  • Net Form 4 buying (codes P and S), 180d-$26.2M · 12 pct, sector of 95
  • Insider buyers, 180d2 · 71 pct, sector of 95
Institutional and government
22
Inputs
  • Funds adding, latest quarter80 · 30 pct, sector of 145
  • Congress net buyers, 365dno Congress trades in 365 days
  • Federal contracts, 180dno federal contracts in 180 days
  • Lobbying spend, 4 quarters$140K · 14 pct, sector of 37
Risk and compliance
91
Inputs
  • Short interest, % of float+1.7% · 78 pct, sector of 167
  • Recalls per $1B revenue, 3ynot measured for this sector, almost no peer has an event
  • EPA cases per $1B revenue, 5y0.00 per $1B · 100 pct, sector of 109
  • New text in Risk Factors, latest 10-K+2.7% · 93 pct, sector of 120
1 not measured: US patents
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

6 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored

BSM filings, in plain words

Are Black Stone Minerals insiders buying or selling BSM?

In the 180 days to 2026-10-28, Black Stone Minerals insiders were net sellers, a net $26.2M: $2.4M of purchases and $28.7M of sales reported on Form 4, by 2 buyers and 3 sellers.

Are there planned insider sales of BSM?

Yes. 2 Form 144 notices of planned insider sales were filed in the 90 days to 2026-10-28, covering $28.1M of stock; the latest, by LACY PROPERTIES, LTD., was filed 2026-08-06.

Read the full summary

In the 180 days to 2026-10-28, Black Stone Minerals insiders were net sellers of BSM, a net $26.2M across purchases and sales reported on Form 4 by 2 buyers and 3 sellers. Sales outweighed purchases more than tenfold by value. None of the 4 insider sales was flagged as made under a Rule 10b5-1 plan. Insiders filed 2 Form 144 notices of intent to sell in the 90 days to 2026-10-28, covering $28.1M of stock. Each figure is counted from SEC and House filings as of 2026-10-28, dated the day the filing was made public.

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