First In | Activity | F4

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Team Portfolio Raise Champions Essays

F4/First In/Activity

First In Activity

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

Types

Time range

5 investments· MAR 2026 – APR 2026Show all

Investment

Co-led Rilian's $17.5M seed and seed-extension financing for agentic AI cyber and defense operations.

Rilian Technologies

Rilian Technologies First In

businesswire.comAPR 23, 2026

APR 23, 2026

Investment

Portfolio company Cloneable emerged from stealth with $4.6M seed funding for AI-driven platform that shadows human experts and automates their workflows on edge devices.

Cloneable

Cloneable First In

wearefirstin.comAPR 23, 2026

APR 23, 2026

Investment

Led SCATR's Series A investment for their data-in-transit security platform using post-quantum encryption and dynamic routing.

Scatr

wearefirstin.comAPR 22, 2026

wearefirstin.com

APR 22, 2026

Investment

Invested in Hybron's advanced composite manufacturing platform for defense and aerospace, enabling 10-100x faster production of critical components.

Hybron

wearefirstin.comAPR 17, 2026

wearefirstin.com

APR 17, 2026

Investment

Led Vanguard Defense's $5M seed round for defense AI data observability infrastructure.

Vanguard Defense

Vanguard Defense First In

businesswire.comMAR 25, 2026

wearefirstin.com

MAR 25, 2026

New Fund

Closed First In Fund 3 SBIC Critical Technologies, LP with $148M of investable capital for early-stage security technology businesses.

First In Fund 3 SBIC Critical Technologies, LP

businesswire.comMAR 5, 2026

wearefirstin.com

MAR 5, 2026

New Fund

Closed Fund III with $148M in investable capital as a Small Business Investment Company Critical Technologies fund.

Fund III (SBIC Critical Technologies)

wearefirstin.comMAR 5, 2026

MAR 5, 2026

Investment

Participated in Smack Technologies' $32M funding through Series A for national-security AI decision systems.

Smack Technologies

Smack Technologies First In

finance.yahoo.comMAR 2, 2026

MAR 2, 2026