Reach the investors backing rounds like this
Backed by Chicago Ventures · verified emails and LinkedIn on Datapile
Advertising platform PubX raises $5m and acquires Compliant - Mumbrella
PubX builds agent-to-agent infrastructure for advertising, enabling direct transactions between buyer and seller agents. The company recently raised $5 million in Series A funding led by Chicago Ventures and acquired Compliant, a media quality and governance company. This acquisition aims to integrate media quality and governance signals into every advertising decision, enhancing trust and transparency.
Advertising platform PubX raises $5m and acquires Compliant Mumbrella

| Oct 30, 2026 | Rune Technologies | $375.0M | — | United States |
| Oct 30, 2026 | Pluto Aerospace | $2.5M | Seed | United States |
| Oct 30, 2026 | Audio Chateau Records | $9.0M | Series A | United States |
| Oct 30, 2026 | AvalonX | $10.0M | — | United States |
You just read who funded pubX. The same database has the investors behind every other round — with verified emails, check sizes and the stages they actually write at.
Free account: 15 investor contact unlocks a month, no card required.