Zimmermann Kathleen M. - 15 Jan 2026 SCHEDULE 13D/A Report for Schneider National, Inc. Class B Common Stock, no par value per share (SNDR)

Filing Manager: Zimmermann Kathleen M.
Reporting Manager: Zimmermann Kathleen M.
Security: Schneider National, Inc. Class B Common Stock, no par value per share
Symbol: SNDR
Shares outstanding: 108,639,525 shares
Disclosed Ownership: 19,663,754 shares
Ownership: 18%
Form type: SCHEDULE 13D/A
Filing time: 03 Feb 2026, 16:57:32 UTC
Date of event: 15 Jan 2026
Previous filing: 31 Jan 2025
SEC: View on sec.gov

Quoteable Key Fact

"Zimmermann Kathleen M. disclosed 18% ownership in Schneider National, Inc. Class B Common Stock, no par value per share (SNDR) on 15 Jan 2026."

Quick Takeaways

Zimmermann Kathleen M. filed SCHEDULE 13D/A for Schneider National, Inc. Class B Common Stock, no par value per share (SNDR).
Disclosed ownership: 18%.
Date of event: 15 Jan 2026.

This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
You can verify ownership claims directly against the original SEC filing.

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Zimmermann Kathleen M.	18%	19,663,754	612,759	19,050,995	/s/ Kathleen M. Zimmermann	Kathleen M. Zimmermann	0001701082
Donald J. Schneider Childrens Trust #2 f/b/o Kathleen M. Zimmermann	8.3%	8,400,000	0	8,400,000	/s/ Kathleen M. Zimmermann	Co-Trustee
Donald J. Schneider 2000 Trust f/b/o Kathleen M. Zimmermann	9.4%	9,367,085	2,361,185	7,005,900	/s/ Kathleen M. Zimmermann	Co-Trustee