InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (20 ops.)
Insider track record
CEODisclosed buys
0
Disclosed sells
20
T+90 hit rate
31%
T+90 mean return
-8.4%
Across 13 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the complete record of transactions filed by Trundle Stephen, Chairman & CEO. Insider active across 1 company, notably Alarm.com Holdings, Inc.. In total, 37 reports have been recorded. Split: 0 buy · 20 sells. Total volume traded: €11.8m. Activity tracked since 7 May 2021. The latest transaction was filed on 26 May 2026 (Cession). Regulator: SEC (Form 4). The full history is free.
Declarations37 total
6,073 shares@ US$43.780.011% mcap1.7% of flowCommon StockSEC:0001193125-26-245345:0
25,000 shares0Common StockSEC:0000950170-25-077939:0
3,644 shares@ US$56.661.3% of flowCommon StockSEC:0000950170-25-077939:1
3,626 shares@ US$59.511.4% of flowCommon StockSEC:0000950170-25-073849:0
1,553 shares@ US$55.490.6% of flowCommon StockSEC:0000950170-25-051223:0
47,500 shares@ US$21.707.2% of flowCommon StockSEC:0000950170-24-135434:0
25,000 shares0Common StockSEC:0000950170-24-064802:0
4,512 shares@ US$70.052.1% of flowCommon StockSEC:0000950172-24-000280:0
5,000 shares0Common StockSEC:0000950172-24-000176:0
49,400 shares@ US$73.7924.8% of flowCommon StockSEC:0001209191-24-004029:0
25,000 shares0Common StockSEC:0001209191-23-032005:0
4,694 shares@ US$48.821.6% of flowCommon StockSEC:0001209191-23-030656:0
4,618 shares@ US$49.621.5% of flowCommon StockSEC:0001209191-23-023427:0
25,000 shares0Common StockSEC:0001209191-22-029878:0
5,305 shares@ US$67.840.016% mcap4.2% of flowCommon StockSEC:0001209191-22-023552:0
25,000 shares@ US$4.000.0042% mcap1.1% of flowCommon StockSEC:0001209191-21-068563:0
25,000 shares@ US$4.000.0042% mcap2.3% of flowCommon StockSEC:0001209191-21-068563
32,420 shares0Common StockSEC:0001209191-21-067039:0
32,420 shares0Common StockSEC:0001209191-21-067039
3,410 shares@ US$83.410.012% mcap3.2% of flowCommon StockSEC:0001209191-21-066264:0
3,410 shares@ US$83.410.012% mcap6.7% of flowCommon StockSEC:0001209191-21-066264
100 shares@ US$85.150.0004% mcap0.2% of flowCommon StockSEC:0001209191-21-065295
100 shares@ US$85.150.0004% mcap0.1% of flowCommon StockSEC:0001209191-21-065295:0
1,000 shares@ US$4.000.0002% mcap0.0% of flowCommon StockSEC:0001209191-21-064348:0
1,000 shares@ US$4.000.0002% mcap0.1% of flowCommon StockSEC:0001209191-21-064348
25 of 37 declarations
About Trundle Stephen
Stephen Trundle is an executive at Alarm.com Holdings, Inc.
