Investment
Invested in Ambra, a cloud-based medical image management platform.
Ambra
APR 1, 2026
F4 Fund Activity
Every public signal F4 has attached to this firm, with sources and cross-entity links.
Essay
David Kaye essays on authenticity and illegibility in the age of AI—why genuine outliers and earned weirdness matter more than competent AI-generated alternatives.
The case for being unpromptable
MAR 31, 2026