ADT
First Signal's file · in 2 issues · All companies
Home and small-business security alarms and monitoring, in the U.S. It began in 1874 as American District Telegraph.
Every time it made the issue
We cover a company only when it moves enough to matter. Each row is one of those days, what we made of it, and how the stock did over the next 5 and 20 trading days, next to the S&P 500.
| Date | Where | Move | Our read | 5 days later | 20 days later |
|---|---|---|---|---|---|
| Thu, Oct 29, 2026 | Case file: ADT agrees to a $10-a-share sale | +33.2% | The home-alarm company agrees to a $15.3 billion takeover by Thrive Holdings, and its stock jumps 33.2%. | to come | to come |
| Wed, Oct 28, 2026 | Big Moves, but No Explanation | +7.9% | On a day with two buyout bids, investors went looking for the next one. A cheap, cash-generating company that private equity has owned before is an obvious place to look. | to come | to come |
Its biggest days since January 2018
| Best days | Move |
|---|---|
| Mon, Aug 3, 2020 | +56.6% |
| Thu, Oct 29, 2026 | +33.2% |
| Thu, Oct 24, 2024 | +17.6% |
| Worst days | Move |
|---|---|
| Fri, Feb 26, 2021 | −19.7% |
| Tue, May 2, 2023 | −14.3% |
| Mon, Mar 16, 2020 | −14.3% |
How it took its last 8 reports
The stock's move in the first session after each quarterly report. Next report: Tuesday, November 3, 2026.
| Results filed | Next session |
|---|---|
| Thu, Jul 30, 2026 | +1.3% |
| Thu, Apr 30, 2026 | +5.0% |
| Mon, Mar 2, 2026 | −11.2% |
| Tue, Nov 4, 2025 | −8.1% |
| Thu, Jul 24, 2025 | +2.8% |
| Thu, Apr 24, 2025 | −2.0% |
| Thu, Feb 27, 2025 | +7.8% |
| Thu, Oct 24, 2024 | +17.6% |
Moves are daily closing prices. Past moves don't predict future ones.