ADT

Edward Callahan developed telegraph call boxes linking homes to a central office. American District Telegraph was incorporated in Baltimore on August 14, marking the origin of the ADT brand.⁠[2]

ADT developed central monitoring centers connecting customers to round-the-clock alarm monitoring.⁠[2]

Tyco acquired ADT in 1997. ADT subsequently acquired Broadview Security in 2010, expanding its security business.⁠[3]

ADT launched Pulse, enabling app-based remote control of security, lighting and climate systems.⁠[2]

Tyco separated its North American residential and small-business security operations as publicly traded The ADT Corporation, distributing one ADT share for every two Tyco shares.⁠[3]

ADT completed its transaction with Apollo-owned Protection 1. Shareholders received $42 cash per share and the old shares were delisted. The combined business retained the ADT brand and Boca Raton headquarters.⁠[4]

ADT Inc. completed a 105-million-share IPO on January 23, raising $1.47 billion gross. Proceeds partly repaid second-lien debt and funded an account for preferred-security redemption, linking the flotation with capital-structure changes.⁠[5]

The Command panel and Control app supported remote management of locks, lights and thermostats, including schedules and geofences.⁠[6]

GoogleGoogleGoogle is an American technology company founded by Larry Page and Sergey Brin and incorporated in 1998. It became an Alphabet subsidiary in 2015. Its businesses include internet search, advertising, software platforms, cloud computing, and artificial intelligence.Open the full entry purchased approximately 54.7 million Class B shares for $450 million, representing about 6.6% on an as-converted basis at closing. ADT planned to fund growth initiatives and reduce debt over time; the ownership percentage is historical.⁠[7]

ADT announced the completed Sunpro Solar acquisition and introduced ADT Solar for rooftop solar and energy storage. Sunpro then operated in 22 states, and founder Marc Jones became ADT’s executive vice president for solar.⁠[8]

State Farm bought approximately 133.3 million ADT shares for $1.2 billion and separately committed up to $300 million for partnership activities including products, technology and customer growth. ADT intended to fund a tender offer with the equity proceeds, and State Farm’s Paul Smith joined the board.⁠[9]

ADT sold its commercial security, fire and life-safety unit to GTCR for $1.6 billion, subject to customary adjustments. It reported roughly $1.5 billion in net proceeds for debt repayment and classified the unit as discontinued operations.⁠[10]

ADT+ became available nationwide, integrating Google Home devices with self or professional installation. Trusted Neighbor provided temporary access for designated neighbors, then relocked the home and restored the prior security setting.⁠[6]

The board approved a full residential-solar exit in January, and substantially all operations had ceased by June 30. Exit charges totaled approximately $88 million for the year within discontinued operations. Installation, guarantee and contractual obligations could still create subsequent costs.⁠[11]

ADT launched MySafety and Live Light, expanding personal-safety services and illuminated yard signage. The additions extended the ADT+ ecosystem to further monitoring and safety use cases.⁠[12]

ADT acquired Origin AI for $170 million cash, subject to customary adjustments, obtaining Wi-Fi sensing technology and associated patents. The technology does not require cameras, audio or wearables. Integrated offerings were expected to begin commercialization in 2027, rather than being fully available at announcement.⁠[13]

The Justice Department settled allegations that ADT imposed a 30-day notice requirement on 3,400 servicemembers terminating contracts under the Servicemembers Civil Relief Act. ADT agreed to $1.26 million in compensation, a $79,380 civil penalty, and policy, procedure and training changes.⁠[14]

ADT said it had strengthened compliance processes and that the settlement did not constitute an admission of wrongdoing.⁠[15]

ADT said it detected unauthorized access on April 20 to customer and prospective-customer names, phone numbers and addresses; a smaller subset included birth dates and partial identification numbers. It stated that payment information and home-security systems were unaffected and impacted individuals had been notified.⁠[16]

ADT Blu offered an expandable self-installed system managed through ADT+, with arming, video and notifications. Customers could self-monitor or add round-the-clock professional monitoring without a long-term contract. ADT also distributed equipment through channels including AmazonAmazonAmazon is a publicly traded U.S. technology and retail company founded by Jeff Bezos in 1994, with its principal corporate offices in Seattle. Its businesses span e-commerce, logistics and fulfillment, digital advertising, membership and entertainment services, consumer electronics, and Amazon Web Services cloud computing.Open the full entry.⁠[17]

Second-quarter revenue was $1.312 billion and income from continuing operations was $155 million. Period-end recurring monthly revenue was $360 million, with trailing-year gross customer revenue attrition of 13.1%. Apollo sold its remaining common-stock holding during the quarter, with ADT participating in repurchases.⁠[18]

ADT Blu became available on Walmart.com, expanding online retail distribution. ADT+ manages live video, detection notifications for categories such as people and packages, and additional devices as users expand their systems.⁠[19]

ADT disclosed a merger agreement with acquisition entities associated with Thrive HoldingsThrive HoldingsThrive Holdings is a holding and operating company founded in 2025. It acquires and operates established service businesses, combining internal engineering teams with industry specialists to develop AI tools for specific workflows.Open the full entry, providing $10 cash per eligible share. Closing remained subject to shareholder approval, antitrust clearance and other conditions. The agreement also allowed solicitation of alternative proposals; signing did not mean completion.⁠[20]