FirstMark | Activity | F4

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FirstMark Activity

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

Types

Time range

Investment

FirstMark invested in Onyx Security's $113M Series B. Onyx builds agentic security infrastructure to secure AI agents in the enterprise.

Onyx Security

Onyx Security FirstMark

firstmark.comJUL 29, 2026

JUL 29, 2026

Investment

FirstMark participated in Vendelux's $50M Series B round. Vendelux is an AI-led intelligence platform for B2B events, tracking 250,000+ global events.

Vendelux

Vendelux FirstMark

firstmark.comJUL 8, 2026

JUL 8, 2026

Exit

Bluecore, a FirstMark portfolio company, was acquired by Insider One. Bluecore built an AI-powered customer engagement platform for retail.

Bluecore

Bluecore FirstMark

firstmark.comMAY 13, 2026

MAY 13, 2026

3 investments· MAR 2026Show all

Investment

Led Payy's $6M seed round for private stablecoin transactions using zero-knowledge proofs, with live product at $130M annualized volume.

Payy

Payy FirstMark

ffnews.comMAR 26, 2026

MAR 26, 2026

Investment

Backed POSH's $37M Series B as the company expanded from event infrastructure into a consumer social discovery platform.

POSH

POSH FirstMark

firstmark.comMAR 19, 2026

MAR 19, 2026

Investment

Invested in Legora, an AI-native operating system for legal work.

Legora

Legora FirstMark

firstmark.comMAR 10, 2026

legora.com

MAR 10, 2026

Milestone

Portfolio company Synthesia featured in Forbes AI 50 list for promising privately-held AI companies.

Synthesia

Synthesia FirstMark

firstmark.comMAR 2026

MAR 2026

Exit

Portfolio company Momentum entered into a definitive agreement to be acquired by Salesforce.

Momentum

Momentum FirstMark

firstmark.comFEB 18, 2026

salesforce.com

FEB 18, 2026

Investment

Continued supporting SurrealDB as it announced a $38M Series A and SurrealDB 3.0 for AI-native database infrastructure.

SurrealDB

SurrealDB FirstMark

firstmark.comFEB 17, 2026

FEB 17, 2026

Milestone

Portfolio company Ro debuted its first-ever Super Bowl commercial featuring Serena Williams, expanding patient-first healthcare access.

RoFirstMark

firstmark.comFEB 2026

FEB 2026

Investment

Led Daytona's $24M Series A to build programmable computers for AI agents with stateful, forkable environments.

Daytona

Daytona FirstMark

firstmark.comFEB 2026

FEB 2026

Investment

Led Series A investment in VillageSQL, reigniting MySQL with permissionless extension-driven innovation for AI workloads.

VillageSQL

VillageSQL FirstMark

firstmark.comJAN 2026

JAN 2026

Exit

Portfolio company OpenGamma exited on December 23, 2025.

OpenGamma

OpenGamma FirstMark

cbinsights.comDEC 23, 2025

DEC 23, 2025

Investment

Led Tracebit's Series A for assume-breach security with automated attack surface management and AI-native detection.

Tracebit

Tracebit FirstMark

firstmark.comDEC 2025

DEC 2025

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