Activity Companies Alerts About

Stephen Trundle owns 3.89% of Alarm.com Holdings

1,907,734 shares as of the September 2, 2026 filing, worth $109M at the latest close.

ALRM · $2.8B market cap
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Free.
The stake
3.89%
worth $109M at the latest close
Stake rank
#421
by dollar value of the stake
Last sale
146 days ago
May 26, 2026
Last buy
333 days ago
Nov 20, 2025 · $1.3M

Stephen Trundle owns 3.89% of Alarm.com Holdings, Inc.: 1,907,734 of 49,090,228 shares, worth about $109M at the 2026-10-16 close. The stake has moved from 6.07% in 2016 to 3.89% on 2026-09-02, across 32 sales and 1 purchase that moved it since 2016. The last trade that moved it was a planned sale of $265,876 on 2026-05-26.

How the stake is held

as of the Sep 2, 2026 filing
SHARES
OF THE STAKE
COMMON STOCK · stated Sep 2, 2026 · Form 4 ↗
HELD DIRECTLY
322,842
16.9%
HELD INDIRECTLY · 3 VEHICLES
1,584,892
83.1%
By LLC
1,315,343
68.9%
By Gift Trust
259,687
13.6%
By Footings Advancement Trust
9,862
0.5%
THE STAKE
1,907,734
3.89%