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Alarm.com Holdings, Inc. (ALRM) has had 20 insider transactions recently, with net insider activity of +$171K (net buying). The most active insider is Trundle Stephen (Director, officer: chief executive officer).
Total Transactions
20
11 buys /9 sells
Shares Acquired
202,554
Transactions: 11•Avg: 18,414
Shares Disposed
31,169
Transactions: 9•Avg: 3,463.22
Net Activity
+171,385
Net Buying•Ratio: 122.22%
Q2 2026(Current) | 202,554 | 31,169 | +171,385 | 122.22% |
Q1 2026 | 36,000 | 73,510 | -37,510 | 33.33% |
Q4 2025 | 61,000 | 98,158 | -37,158 | 77.78% |
Q3 2025 | 0 | 754 | -754 | 0.00% |
Q2 2025 | 195,737 | 43,619 | +152,118 | 94.44% |
This table shows insider trading activity by quarter. A ratio > 100% indicates insiders acquired more shares than they disposed of during the period, which is generally considered a bullish signal.
• Most recent data for Q2 2026
Acquired vs Disposed Shares
Net Accumulation: 171,385 shares•Acquired/Disposed Ratio: 122.22%
Net Activity | |||||
|---|---|---|---|---|---|
TS Trundle Stephen | Director, officer: chief executive officer | 16 | 203,500 | 112,840 | +90,660 |
BKC Bradley Kevin Christopher | Officer: chief financial officer | 11 | 85,000 | 36,454 | +48,546 |
NDG NEVIN DARIUS G | Director | 5 | 41,732 | 72,000 | -30,268 |
KD Kerzner Daniel | Officer: see remarks | 15 | 130,000 | 108,878 | +21,122 |
RD Ramos Daniel | Officer: see remarks | 18 | 59,417 | 46,811 | +12,606 |
This table shows the trading activity of the most active company insiders. Positive net activity (buying more than selling) is often considered a bullish signal.
2026-06-10 | Officer: see remarks | Sale | 8,000 | $46.23 | $369,840 | 55,099 | |
2026-06-12 | Officer: see remarks | Sale | 2,000 | $46.5 | $93,000 | 53,099 | |
2026-06-10 | Officer: chief financial officer | Sale | 2,200 | $46.15 | $101,530 | 84,346 | |
2026-06-04 | Director | Purchase | 3,222 | $0 | $0 | 14,404 | |
2026-06-04 | Director | Purchase | 3,222 | $0 | $0 | 27,597 |
This table displays recent Form 4 filings showing transactions by company insiders. SEC rules require insiders to report their transactions within two business days.
RD Ramos Daniel | Officer: see remarks | Jun 12, 2026 | |
RD Ramos Daniel | Officer: see remarks | Jun 12, 2026 | |
BKC Bradley Kevin Christopher | Officer: chief financial officer | Jun 12, 2026 | |
WTJ Whall Timothy J. | Director | Jun 8, 2026 | |
NDG NEVIN DARIUS G | Director | Jun 8, 2026 |
Net change in shares shown on right