Stephen Trundle

Companies

• Alarm.com, Inc.Board member Jun 25, 2015 to now¹
• Alarm.com, Inc.Chief executive officer Jun 25, 2015 to now¹
• Alarm.com, Inc.President Jun 25, 2015 to May 17, 2022¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• Alarm.com, Inc. ALRM332,704 shares²$19.2M at $57.61Sep 4, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Sep 2, 2026Gift 2,000 shares of Alarm.com, Inc.²
• Aug 24, 2026Sold 50,000 shares at $57.67 of Alarm.com, Inc.³
• Aug 24, 2026Exercised options 50,000 shares at $32.17 of Alarm.com, Inc.³
• May 26, 2026Sold 6,073 shares at $43.78 of Alarm.com, Inc.⁴
• May 18, 2026Sold 2,944 shares at $43.56 of Alarm.com, Inc.⁵
• Apr 8, 2026Granted 65,000 shares of Alarm.com, Inc.⁶
• Nov 20, 2025Bought 100 shares at $48.66 of Alarm.com, Inc.⁷
• Nov 20, 2025Bought 9,900 shares at $48.06 of Alarm.com, Inc.⁷
• Nov 19, 2025Bought 12,469 shares at $48.53 of Alarm.com, Inc.⁷
• Nov 18, 2025Bought 3,531 shares at $48.57 of Alarm.com, Inc.⁷
• May 23, 2025Sold 3,644 shares at $56.66 of Alarm.com, Inc.⁸
• May 22, 2025Granted 25,000 shares of Alarm.com, Inc.⁸
• May 16, 2025Sold 3,626 shares at $59.51 of Alarm.com, Inc.⁹
• Apr 2, 2025Sold 1,553 shares at $55.49 of Alarm.com, Inc.¹⁰
• Dec 10, 2024Sold 1,999 shares at $68.81 of Alarm.com, Inc.¹¹
• Dec 10, 2024Sold 45,501 shares at $68.15 of Alarm.com, Inc.¹¹
• Dec 10, 2024Exercised options 47,500 shares at $21.70 of Alarm.com, Inc.¹¹
• May 22, 2024Shares withheld for tax 2,255 shares at $67.02 of Alarm.com, Inc.¹²
• May 22, 2024Granted 25,000 shares of Alarm.com, Inc.¹²
• May 15, 2024Shares withheld for tax 4,512 shares at $70.05 of Alarm.com, Inc.¹³
• Apr 2, 2024Sold 3,217 shares at $70.00 of Alarm.com, Inc.¹⁴
• Mar 1, 2024Gift 5,000 shares of Alarm.com, Inc.¹⁴
• Feb 23, 2024Sold 600 shares at $74.47 of Alarm.com, Inc.¹⁵
• Feb 23, 2024Sold 49,400 shares at $73.79 of Alarm.com, Inc.¹⁵
• May 22, 2023Granted 25,000 shares of Alarm.com, Inc.¹⁶