Liftoff Mobile, Inc.

Liftoff is a mission-critical growth monetization engine for the app economy. Our AI-powered platform is designed to serve all verticals in the app ecosystem and is fully integrated to drive differentiated advertising performance for our customers across the app economy. We deliver profitable users for app advertisers and help to maximize advertising revenue for apps that monetize with ads. For each of the years ended December 31, 2024 and 2025, and the three months ended March 31, 2026, 728, 881 and 878 Demand Side Customers, respectively, used our platform to acquire new users, and 126,509, 163,708 and 167,814 apps, respectively, have integrated our software development kit (“SDK”) to monetize their media inventory. Through these SDK integrations, in the first quarter of 2026, our platform connects to over 1.4 billion daily active users worldwide. We are built to grow as our customers grow: our models are continually improving, which enables us to deliver better performance for our customers, expanding our market opportunity and strengthening our role in the app economy.

424B4 · 2026-06-04 · 0001193125-26-257410

Company description from the cited filing.