MODERATE
56
The Alpha Score is an informational signal based on public SEC fillings. It is not investment advice.
CEOJOURNAL SIGNAL SUMMARY·GENERATED FROM PUBLIC SEC FILINGS
Thomas L Carter Jr made an open-market purchase of Black Stone Minerals, L.P. on 2026-05-08, investing approximately $909,335. This is a CEOJournal signal summary placeholder — full narrative pending Claude Haiku enrichment.
Summary based on Form 4 filings and DEF 14A proxy data. Not investment advice. Updated on new filing activity.
Score Components
Opportunism
52
Conviction
100
Pattern
50
Cluster
30
Track Record
50
COMPOSITE ALPHA SCORE
56
Score calculated from open-market purchases only; 10b5-1 preplanned trades excluded; not investment advice.
OPPORTUNISM
Proxy from ownership-change magnitude. Real Opportunism signal will use %52W proximity once price data is in pipeline.
CONVICTION
Log-scaled from trade size. Real Conviction signal will use trade $ ÷ total compensation once DEF 14A data is in pipeline.
PATTERN
Placeholder — 90-day qualifying buy count requires historical Form 4 scrapes (Phase 2).
CLUSTER
Count of other insiders buying the same ticker in our current dataset window.
TRACK RECORD
Placeholder — executive tenure × prior buy P&L requires historical price tracking (Phase 2).
FORM 4 TRANSACTION HISTORYSOURCE: SEC EDGAR
| DATE | TRANSACTION TYPE | CODE | SHARES | PRICE | TOTAL VALUE | 10b5-1 | SCORE |
|---|---|---|---|---|---|---|---|
| May 08, 2026 | Open-Market Purchase | P | 67,758 | $13.42 | $909,335 | N/A | 56 |
Data sourced from SEC EDGAR Form 4 filings, updated within 24 hours.
Only transaction code P (open-market purchase) qualifies for Alpha Score calculation.
Only transaction code P (open-market purchase) qualifies for Alpha Score calculation.
EXECUTIVE PROFILE
Thomas L Carter Jr
Exec COB
Thomas L. Carter, Jr. has served as Executive Chairman of the Board of Black Stone Minerals, L.P. since January 2026, having previously held the positions of Chairman and Chief Executive Officer of the General Partner from November 2014 until January 2026. He served as President of the General Partner from November 2014 to June 2018 and again from February 2023 until January 2026. Mr. Carter founded Black Stone Natural Resources, L.L.C. and served as its President, Chief Executive Officer, and Chairman from 1998 to 2015. He has extensive experience in the energy sector, having founded Black Stone Energy Company in 1980 and served in various roles in the industry since 1975.
EDUCATION
- University of Texas at Austin (M.B.A.)
- University of Texas at Austin (B.B.A.)
BOARD SEATS
- Carrizo Oil & Gas Inc. · Director
- The Lawrenceville School · Trustee Emeritus
COMPENSATION & OWNERSHIP ·SOURCE: DEF 14A PROXY
ANNUAL BASE SALARY
$485,034
TOTAL COMPENSATION
$4,787,678
SHARES HELD
3,681,604
EST. HOLDINGS VALUE
$49.92M
as of May 30, 2026 close
Summary based on Form 4 filings and DEF 14A proxy data. Not investment advice. Updated on new filing activity.
RELATED SIGNALS
CLUSTER EVENT
When multiple insiders buy at the same company within a short window, the signal strength multiplies.
View Cluster Details →Signal based on public SEC filings. Not advice.
BY SECTOR
See other executives in the same sector with active Alpha Score signals.
Browse by Sector →Editorial content. Not investment advice.
PATTERN SIGNAL
Sustained accumulation across multiple qualifying purchases is historically a strengthened signal.
View Pattern History →Signal based on public SEC filings. Not advice.