Updated: May 19, 2026

William N. Mathis

BSMBlack Stone Minerals, L.P.SEC CIK: 0001640004
Estimated Net Worth
$51.1 Million8.5%vs Last Year
Last Updated: May 19, 2026 11:42 PM EST

Transaction Summary

Total Transactions57
Buy-Sell Ratio17.33
Buy Transactions52
Sell Transactions3

Transaction Volume

Total Volume$17.59M
Net Volume-$15.19M
Buy Volume$1.2M
Sell Volume$16.39M

Trade Analysis

AVG Trade Size$308.56K
Largest Trade$8.2M
Most Active MonthJan
Most Active Year2019

Trading Sentiment

OverallBearish
Recent TradeBuying
Last 90 Days0 Trades
ConvictionNone

Net Worth & Trading Activity Over Time

Loading chart

Monthly Trading Pattern

Loading chart

Past Insider Trading and Trends

William N. Mathis has an estimated net worth of $51.1 Million. This is based on reported shares in Black Stone Minerals, L.P..



2019 was William N. Mathis's most active year for acquiring shares with 15 total transactions. William N. Mathis's most active month to acquire stocks was the month of April. 2019 was William N. Mathis's most active year for disposing of shares, totalling 8 transactions. William N. Mathis's most active month to dispose stocks was the month of April. 2016 saw William N. Mathis paying a total of $273,856.44 for 31,836 shares, this is the most they've acquired in one year. In 2016 William N. Mathis cashed out on 8,000 shares for a total of $8,214,240.00, their largest year based on trade value.

Holdings & Transactions

Loading…