Updated: May 19, 2026

Stephen Trundle

ALRMAlarm.com Holdings, Inc.SEC CIK: 0001643898
Estimated Net Worth
$378 Million80.5%vs Last Year
Last Updated: May 19, 2026 11:42 PM EST

Transaction Summary

Total Transactions55
Buy-Sell Ratio0.02
Buy Transactions1
Sell Transactions44

Transaction Volume

Total Volume-$78.60M
Net Volume$81.11M
Buy Volume$1.26M
Sell Volume-$79.86M

Trade Analysis

AVG Trade Size-$1.44M
Largest Trade$1.26M
Most Active MonthApr
Most Active Year2021

Trading Sentiment

OverallBullish
Recent TradeNeutral
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

Stephen Trundle has an estimated net worth of $378 Million. This is based on reported shares in Alarm.com Holdings, Inc..



2019 was Stephen Trundle's most active year for acquiring shares with 12 total transactions. Stephen Trundle's most active month to acquire stocks was the month of April. 2021 was Stephen Trundle's most active year for disposing of shares, totalling 52 transactions. Stephen Trundle's most active month to dispose stocks was the month of October. 2024 saw Stephen Trundle paying a total of $1,030,750.00 for 102,500 shares, this is the most they've acquired in one year. In 2020 Stephen Trundle cashed out on 564,752 shares for a total of $29,824,377.09, their largest year based on trade value.

Holdings & Transactions

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