David Nierenberg - Insider Trading & Ownership

Location
19605 Ne 8 Th Street, Camas, WA
Summary
The estimated net worth of David Nierenberg is at least $33.5M dollars as of March 31, 2025. David Nierenberg is the 10%+ Owner of POTBELLY CORP and owns shares of POTBELLY CORP (PBPB) stock worth about $29.1M. David Nierenberg is the Director of FLOTEK INDUSTRIES INC/CN/ and owns shares of FLOTEK INDUSTRIES INC/CN/ (FTK) stock worth about $4.39M.
Signature
NIERENBERG INVESTMENT MANAGEMENT COMPANY, INC. By: /s/ David Nierenberg Name: David Nierenberg Title:President
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All Insider Reports

Ownership of David Nierenberg

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
PBPB POTBELLY CORP 10%+ Owner $29.1M +$322K +1.12% Mar 28, 2025
FTK FLOTEK INDUSTRIES INC/CN/ Director $4.39M Dec 14, 2023
HWCC Houston Wire & Cable CO Director, 10%+ Owner Jun 15, 2021

Insider Transactions Reported by David Nierenberg:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.