David Nierenberg

Insider Reports History

Location
19605 Ne 8 Th Street, Camas, WA
Signature
NIERENBERG INVESTMENT MANAGEMENT COMPANY, INC. By: /s/ David Nierenberg Name: David Nierenberg Title:President
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by David Nierenberg:

Stock Role Class Num Shares Value Price $ Report Date Ownership
POTBELLY CORP 10%+ Owner Common Stock 1.56M $14.6M $9.36 Mar 28, 2025 By: The D3 Family Bulldog Fund, L.P.
POTBELLY CORP 10%+ Owner Common Stock 888K $8.31M $9.36 Mar 28, 2025 By: The D3 Family Fund, L.P.
POTBELLY CORP 10%+ Owner Common Stock 426K $3.98M $9.36 Mar 28, 2025 By: Benedict Value Fund, L.P.
FLOTEK INDUSTRIES INC/CN/ Director Common Shares 765K $2.55M $3.33 Dec 14, 2023 By The D3 Family Bulldog Fund, LP
FLOTEK INDUSTRIES INC/CN/ Director Common Shares 435K $1.45M $3.33 Dec 14, 2023 By The D3 Family Fund, LP
POTBELLY CORP 10%+ Owner Common Stock 124K $1.16M $9.36 Mar 28, 2025 Direct
POTBELLY CORP 10%+ Owner Common Stock 105K $987K $9.36 Mar 28, 2025 By: Haredale Ltd.
FLOTEK INDUSTRIES INC/CN/ Director Common Shares 69.9K $233K $3.33 Dec 14, 2023 Direct
FLOTEK INDUSTRIES INC/CN/ Director Common Shares 47.9K $160K $3.33 Dec 14, 2023 By Haredale Ltd.
POTBELLY CORP 10%+ Owner Common Stock 3.15K $29.5K $9.36 Mar 28, 2025 By: Spouse
POTBELLY CORP 10%+ Owner Common Stock 1.59K $14.9K $9.36 Mar 28, 2025 By: Children
Houston Wire & Cable CO Director, 10%+ Owner COMMON STOCK 0 Jun 15, 2021 By D3 Family Bulldog Fund LP
Houston Wire & Cable CO Director, 10%+ Owner COMMON STOCK 0 Jun 15, 2021 By D3 Family Fund LP
Houston Wire & Cable CO Director, 10%+ Owner COMMON STOCK 0 Jun 15, 2021 By Haredale LTD

Insider Reports Filed by David Nierenberg

Symbol Company Period Transactions Value $ Form Type Date Filed Role
PBPB POTBELLY CORP Mar 28, 2025 1 $208K 4 Mar 31, 2025 10%+ Owner
PBPB POTBELLY CORP Jan 7, 2025 2 $70.1K 4 Jan 10, 2025 10%+ Owner
PBPB POTBELLY CORP Dec 18, 2024 2 $44.4K 4 Dec 20, 2024 10%+ Owner
FTK FLOTEK INDUSTRIES INC/CN/ Dec 14, 2023 3 $72.5K 4 Dec 15, 2023 Director
FTK FLOTEK INDUSTRIES INC/CN/ Dec 11, 2023 8 $189K 4 Dec 13, 2023 Director
FTK FLOTEK INDUSTRIES INC/CN/ Jul 1, 2023 1 $0 4 Jul 5, 2023 Director
FTK FLOTEK INDUSTRIES INC/CN/ Jun 7, 2023 2 -$469K 4 Jun 9, 2023 Director
FTK FLOTEK INDUSTRIES INC/CN/ Jan 20, 2023 1 $0 4 Jan 24, 2023 Director
FTK FLOTEK INDUSTRIES INC/CN/ Aug 4, 2022 1 $0 4 Aug 8, 2022 Director
FTK FLOTEK INDUSTRIES INC/CN/ Mar 21, 2022 6 -$3.04M 4 Mar 23, 2022 Director
FTK FLOTEK INDUSTRIES INC/CN/ Feb 2, 2022 3 $3M 4 Feb 4, 2022 Director
HWCC Houston Wire & Cable CO Jun 15, 2021 3 $0 4 Jun 21, 2021 Director, 10%+ Owner
FTK FLOTEK INDUSTRIES INC/CN/ Jun 3, 2021 1 $0 4 Jun 7, 2021 Director