Investor · San Mateo, CA

Keith L. Butler

Open Keith in the network graph →

Filings

3

SEC Form D

Connections

16

co-filers

Capital

$394.8M

across filings

Active

Apr 2024

to Jun 2025

Most-connected co-filers (16)

Sahir Azam · San Mateo, CA3 shared Christine L. Dorrion · San Mateo, CA3 shared John Mcmahon · San Mateo, CA3 shared Michael L. Speiser · Palo Alto, CA3 shared Daniel L. Sturman · San Mateo, CA3 shared Qi L. Jin · San Mateo, CA3 shared Jacob L. Leverich · San Mateo, CA3 shared Jeremy Burton · San Mateo, CA3 shared Soma Somasegar · SEATTLE, WA2 shared Brian L. Campbell · San Mateo, CA2 shared N. Speiser · Palo Alto, CA1 shared L. Franklin Advisers, Inc · San Mateo, CA1 shared Irina L. Seals · San Mateo, CA1 shared Eric L. Rehm · San Mateo, CA1 shared Dustin L. Yelinek · San Mateo, CA1 shared Fund GP, LLC · Seattle, WA1 shared

Recent filings (3)

Observe, Inc.Jun 2025 · 15 co-filers$190.5M Observe, Inc.Oct 2024 · 13 co-filers$152.5M Observe, Inc.Apr 2024 · 9 co-filers$125.0M

Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Keith in the interactive graph →