C. James Koch

Activist investor & 5%+ owner · SC 13D/13G filings

Total Filings

Stocks Covered

Latest Filing

Feb 11, 2026

Filings

The Boston Beer Company, Inc.

SC 13G/A · Feb 11, 2026

21.6%

2.3M shares

The Boston Beer Company, Inc.

SC 13G/A · Feb 7, 2025

20.0%

2.3M shares

The Boston Beer Company, Inc.

SC 13G/A · Feb 12, 2024

18.7%

2.3M shares

The Boston Beer Company, Inc.

SC 13G/A · Feb 10, 2023

18.4%

2.3M shares