Insiders who reported open-market trades in the last 12 months at the companies Stephen Trundle files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Daniel Kerzner - $1.77M in ALRM purchases and sales in the last 12 months
Darius G. Nevin - $1.66M in ALRM purchases and sales in the last 12 months
Jeffrey A. Bedell - $1.30M in ALRM purchases and sales in the last 12 months
Daniel Ramos - $642K in ALRM purchases and sales in the last 12 months
Stephen Trundle is a corporate insider, tracked as Chief Executive Officer, Director of Alarm.com Holdings, Inc. (ALRM). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Stephen Trundle submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Stephen Trundle been buying or selling stock?
Recorded transactions: 4 open-market purchases ($1.26M) and 5 open-market sales ($6.52M) across all tracked filings.
Stephen Trundle is Chief Executive Officer, Director of Alarm.com Holdings, Inc. (ALRM). 7 SEC Form 4 filings on record going back to 2024, most recently on 4 September 2026. Most recent open-market trade: sold $2.88M of ALRM on 25 August 2026. Lifetime open-market purchases: $1.26M. Lifetime open-market sales: $6.52M.
Recent transactions
13
The latest 13 SEC Form 4 transactions reported by Stephen Trundle.
InsiderAlpha's records for Stephen Trundle go back to 2024: 7 primary Form 4 filings, an average of 2.3 per year. The typical open-market purchase is $314K (4 buys totaling $1.26M). The largest single buy on record is $605K of ALRM in 2025. Sales side: 5 recorded sales totaling $6.52M, so the filing history runs sell-heavy by dollar value. 5 recorded transactions carry a Rule 10b5-1 plan flag. This identifies the marked transactions as reported under a trading plan; it does not establish the plan status of unmarked transactions.
