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F4/Lightbank/Activity

Lightbank Activity

Every public signal F4 has attached to this firm, with sources and cross-entity links.

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Exit

Portfolio company Uptake acquired in M&A transaction.

Uptake

Uptake Lightbank

pitchbook.comMAR 2026

MAR 2026

Lightbank — Activity | F4

4 investments

· MAY 2025 – FEB 2026

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Investment

Participated in Letter AI's $40M Series B for AI-powered sales enablement.

Letter AI

Letter AI Lightbank

technexus.comFEB 26, 2026

FEB 26, 2026

Investment

Participated in Keeper's $4M Pre-Seed for AI-powered matchmaking.

Keeper

KeeperLightbank

instagram.comDEC 12, 2025

DEC 12, 2025

Investment

Participated in Kargo's $42M Series B for industrial AI and supply chain automation.

Kargo

thesaasnews.comDEC 2025

DEC 2025

Investment

Participated in Axle Health's $10M Series A for AI-powered home healthcare operations.

Axle Health

Axle Health Lightbank

hlth.comMAY 26, 2025

MAY 26, 2025