Zimmermann Kathleen M.

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

Total Filings

3

Stocks Covered

1

Latest Filing

Feb 3, 2026

Filings

SNDR

Schneider National, Inc.

SC 13D/A · Feb 3, 2026

18.1%

19.7M shares

SNDR

Schneider National, Inc.

SC 13D/A · Jan 31, 2025

18.0%

19.6M shares

SNDR

Schneider National, Inc.

SC 13D/A · Feb 2, 2024

17.8%

19.5M shares