Stephen Trundle

Chief Executive Officer, Director, Alarm.com Holdings, Inc.

Bought, 12 months

$1.3M

Sold, 12 months

$3.3M

Companies

Latest trade

Aug 24, 2026

Companies

Alarm.com Holdings, Inc.Chief Executive Officer, Director +$1.3M −$3.3M

Trades

ALRM Sold 50,000 shares at $57.67 · planned $2.9M Aug 24

ALRM Sold 6,073 shares at $43.78 · planned $0.3M May 26

ALRM Sold 2,944 shares at $43.56 · planned $0.1M May 18

ALRM Bought 10,000 shares at $48.07 $0.5M Nov 20

ALRM Bought 12,469 shares at $48.53 $0.6M Nov 19

ALRM Bought 3,531 shares at $48.57 $0.2M Nov 18

Open-market trades from SEC Form 4 only: no grants, option exercises or gifts. People are matched by the name on their filings, so two people with the same name share this page. For information only — not investment advice.