Investor Zimmermann Kathleen M.
13D/G Filings

This page shows a list of all the recent 13D/G filings made by Zimmermann Kathleen M. . Schedule 13D is commonly referred to as a “beneficial ownership report.” The term "beneficial owner" is defined under SEC rules. It includes any person who directly or indirectly shares voting power or investment power (the power to sell the security).

When a person or group of persons acquires beneficial ownership of more than 5% of a voting class of a company’s equity securities, they are required to file a Schedule 13D within ten days after the purchase. Click the link icon to see the full transaction history.

Date Form Target Prev
Shares
Current
Shares
Change
(Percent)
Ownership
(Percent)
Change
(Percent)
2026-02-03 13D/A SNDR / Schneider National, Inc. 19,594,595 19,663,754
2025-01-31 13D/A SNDR / Schneider National, Inc. 19,594,595
2024-02-02 13D/A SNDR / Schneider National, Inc. 19,493,367 19,539,857
2023-02-10 13D/A SNDR / Schneider National, Inc. 19,458,013 19,493,367
2022-02-14 13D/A SNDR / Schneider National, Inc. 19,444,079 19,458,013
2021-02-19 13D/A SNDR / Schneider National, Inc. 19,438,123 19,444,079
2020-02-12 13D/A SNDR / Schneider National, Inc. 19,396,036 19,438,123
2019-02-13 13D/A SNDR / Schneider National, Inc. 1,997,902,911 19,396,036
2018-02-09 13D/A SNDR / Schneider National, Inc. 19,979,029
2017-04-21 13D SNDR / Schneider National, Inc. 19,963,780