Nierenberg Investment Management Company, LLC - 14 Mar 2025 SCHEDULE 13D/A Report for Potbelly Corp. Common Stock, par value $0.01 (PBPB)

Quoteable Key Fact

"Nierenberg Investment Management Company, LLC disclosed 10% ownership in Potbelly Corp. Common Stock, par value $0.01 (PBPB) on 14 Mar 2025."

Quick Takeaways

Nierenberg Investment Management Company, LLC filed SCHEDULE 13D/A for Potbelly Corp. Common Stock, par value $0.01 (PBPB).
Disclosed ownership: 10%.
Date of event: 14 Mar 2025.

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
D3 Family Fund, LP	3%	887,555	0	887,555	Nierenberg Investment Management Company, Inc.	/s/David Nierenberg, President	0001282685
D3 Family Bulldog Fund, LP	5.2%	1,561,985	0	1,561,985	/s/ David Nierenberg	D3 Family Bulldog Fund, LP	0001365745
Benedict Value Fund, L.P.	1.4%	425,555	0	425,555	Nierenberg Investment Management Company, Inc., it's General Partner	/s/David Nierenberg, President
Haredale Ltd.	0.3%	105,469	105,469	0	/s/ David Nierenberg	David Nierenberg, President
Nierenberg Investment Management Company, Inc.	10%	2,980,564	0	2,980,564	/s/ David Nierenberg	David Nierenberg, President	0001282683
David Nierenberg	10%	3,087,302	101,998	2,985,304	/s/ David Nierenberg	David Nierenberg, President	0001040899