Updated: May 16, 2026

David C. Mathewson

TLRSTimberline Resources CorpSEC CIK: 0001453148
Estimated Net Worth
$6.9 Million
Last Updated: May 16, 2026 08:52 PM EST

Transaction Summary

Total Transactions31
Buy-Sell Ratio6.00
Buy Transactions6
Sell Transactions1

Transaction Volume

Total Volume$286.36K
Net Volume$324.81K
Buy Volume$305.58K
Sell Volume-$19.23K

Trade Analysis

AVG Trade Size$11.25K
Largest Trade$160.00K
Most Active MonthJun
Most Active Year2018

Trading Sentiment

OverallBullish
Recent TradeBuying
Last 90 Days0 Trades
ConvictionNone

Net Worth & Trading Activity Over Time

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Monthly Trading Pattern

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Past Insider Trading and Trends

David C. Mathewson has an estimated net worth of $6.9 Million. This is based on reported shares across multiple companies, which include Nevada Gold Holdings, Inc., DATARAM CORP, and Timberline Resources Corp.



2018 was David C. Mathewson's most active year for acquiring shares with 23 total transactions. David C. Mathewson's most active month to acquire stocks was the month of October. 2009 was David C. Mathewson's most active year for disposing of shares, totalling 4 transactions. David C. Mathewson's most active month to dispose stocks was the month of December. 2017 saw David C. Mathewson paying a total of $132,883.00 for 295,424 shares, this is the most they've acquired in one year. In 2021 David C. Mathewson cashed out on 350,000 shares for a total of $49,000.00, their largest year based on trade value.

Holdings & Transactions

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