Updated: May 18, 2026

David E Mangum

ESMTEngageSmart, Inc.SEC CIK: 0001185573
Estimated Net Worth
$22.9 Million
Last Updated: May 18, 2026 04:50 PM EST

Transaction Summary

Total Transactions61
Buy-Sell Ratio0.81
Buy Transactions25
Sell Transactions31

Transaction Volume

Total Volume$37.63M
Net Volume$2.08M
Buy Volume$19.86M
Sell Volume$17.77M

Trade Analysis

AVG Trade Size$616.91K
Largest Trade$7.16M
Most Active MonthJul
Most Active Year2017

Trading Sentiment

OverallBullish
Recent TradeSelling
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 E Mangum has an estimated net worth of $22.9 Million. This is based on reported shares across multiple companies, which include EngageSmart, Inc., GLOBAL PAYMENTS INC, Thunder Bridge Capital Partners III Inc., Thunder Bridge Capital Partners IV, Inc., Thunder Bridge Acquisition II, LTD, and CHECKFREE CORP \GA\.



2016 was David E Mangum's most active year for acquiring shares with 8 total transactions. David E Mangum's most active month to acquire stocks was the month of June. 2004 was David E Mangum's most active year for disposing of shares, totalling 30 transactions. David E Mangum's most active month to dispose stocks was the month of July. 2017 saw David E Mangum paying a total of $12,096,170.16 for 147,405 shares, this is the most they've acquired in one year. In 2017 David E Mangum cashed out on 117,165 shares for a total of $11,088,968.00, their largest year based on trade value.

Holdings & Transactions

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