Picks & Shovels | Activity | F4

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Picks & Shovels Activity

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

Types

Time range

Team Change

Josh Schlisserman (GP of Picks & Shovels) announced he would wind down Preside and join Mastra as Chief of Staff. He had previously invested in Mastra as one of its first checks pre-YC.

Mastra

Mastra Picks & Shovels

linkedin.comMAR 2026

MAR 2026

Investment

Picks & Shovels (Josh Schlisserman) invested in Mastra's $13M seed round. Mastra is a TypeScript framework for building AI agents. Other investors include YC, Paul Graham, Gradient Ventures, SV Angel, and 120+ others.

Mastra

Mastra Picks & Shovels

mastra.aiOCT 2025

OCT 2025

Exit

Ion Protocol merged with Paxos Labs, becoming Nucleus, their structured products division focused on DeFi infrastructure and digital asset products.

Ion Protocol

Ion Protocol Picks & Shovels

linkedin.comSEP 2025

SEP 2025

Exit

Skip Protocol was acquired by the Interchain Foundation and transformed into Interchain Inc., taking a leadership role in Cosmos ecosystem development and product strategy.

Skip

Skip Picks & Shovels

medium.comDEC 10, 2024

DEC 10, 2024