Transaction · 0001638259-26-000014

DeWalch D Mark

DeWalch D Mark, DIR, reported a transaction classified as grant at Black Stone Minerals, L.P. involving 1309.000000 shares for an estimated $18744.88. Reported holdings after the transaction were 434146.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

grantSEC transaction code ADIR
BSMBlack Stone Minerals, L.P.
Filing timeOct 05
Trade dateOct 02, 2026
Filing · SECView on SEC
InsiderProfile
% of reported position tradedUnavailableCalculated only for code-P purchases and code-S sales.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$14.80
Pre-filing
1mo ago +0.9%1w ago +0.0%1d ago +0.0%
Returns since
7d30d90d180d1y

BSM price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
BSM since 2026-10-05Filed yesterday · 1 day of post-filing data
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
grant
Code A
Identifier
0001638259-26-000014
Common units representing limited partner interests
Transaction date
Oct 02, 2026
Filed Oct 05, 2026, 08:54 PM · 3d delay
Shares
1.30k sh
$14.32 per share
Estimated value
$18.7k
Computed from shares × price
Holdings after
434k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership
-16score
Filing-only score

-16

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    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.

Original filing · 0001638259-26-000014
Related transactions

0 other filings

Same reporting owner
Recent company activity

0 recent txs

BSM