David Nierenberg

Insider Reports History

Location
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:

Company Role Class Num Shares Value Price $ Report Date Ownership
POTBELLY CORP 10%+ Owner Common Stock 1,561,985 $14,620,180 $9.36 28 Mar 2025 By: The D3 Family Bulldog Fund, L.P.
POTBELLY CORP 10%+ Owner Common Stock 887,555 $8,307,515 $9.36 28 Mar 2025 By: The D3 Family Fund, L.P.
POTBELLY CORP 10%+ Owner Common Stock 425,555 $3,983,195 $9.36 28 Mar 2025 By: Benedict Value Fund, L.P.
FLOTEK INDUSTRIES INC/CN/ Director Common Shares 765,150 $2,547,950 $3.33 14 Dec 2023 By The D3 Family Bulldog Fund, LP
FLOTEK INDUSTRIES INC/CN/ Director Common Shares 434,580 $1,447,151 $3.33 14 Dec 2023 By The D3 Family Fund, LP
POTBELLY CORP 10%+ Owner Common Stock 124,167 $1,162,203 $9.36 28 Mar 2025 Direct
POTBELLY CORP 10%+ Owner Common Stock 105,469 $987,190 $9.36 28 Mar 2025 By: Haredale Ltd.
FLOTEK INDUSTRIES INC/CN/ Director Common Shares 69,929 $232,864 $3.33 14 Dec 2023 Direct
FLOTEK INDUSTRIES INC/CN/ Director Common Shares 47,907 $159,530 $3.33 14 Dec 2023 By Haredale Ltd.
POTBELLY CORP 10%+ Owner Common Stock 3,150 $29,484 $9.36 28 Mar 2025 By: Spouse
POTBELLY CORP 10%+ Owner Common Stock 1,590 $14,882 $9.36 28 Mar 2025 By: Children
Houston Wire & Cable CO Director, 10%+ Owner COMMON STOCK 0 15 Jun 2021 By D3 Family Bulldog Fund LP
Houston Wire & Cable CO Director, 10%+ Owner COMMON STOCK 0 15 Jun 2021 By D3 Family Fund LP
Houston Wire & Cable CO Director, 10%+ Owner COMMON STOCK 0 15 Jun 2021 By Haredale LTD

Insider Reports Filed by David Nierenberg

Symbol Company Period Transactions Value $ Form Type Role Filing Time
PBPB POTBELLY CORP 28 Mar 2025 1 +$207,502 4 10%+ Owner 31 Mar 2025, 09:30
PBPB POTBELLY CORP 07 Jan 2025 2 +$70,149 4 10%+ Owner 10 Jan 2025, 19:45
PBPB POTBELLY CORP 18 Dec 2024 2 +$44,367 4 10%+ Owner 20 Dec 2024, 16:37
FTK FLOTEK INDUSTRIES INC/CN/ 14 Dec 2023 3 +$72,469 4 Director 15 Dec 2023, 09:31
FTK FLOTEK INDUSTRIES INC/CN/ 11 Dec 2023 8 +$189,189 4 Director 13 Dec 2023, 16:29
FTK FLOTEK INDUSTRIES INC/CN/ 01 Jul 2023 1 $0 4 Director 05 Jul 2023, 21:32
FTK FLOTEK INDUSTRIES INC/CN/ 07 Jun 2023 2 -$468,750 4 Director 09 Jun 2023, 12:58
FTK FLOTEK INDUSTRIES INC/CN/ 20 Jan 2023 1 $0 4 Director 24 Jan 2023, 15:46
FTK FLOTEK INDUSTRIES INC/CN/ 04 Aug 2022 1 $0 4 Director 08 Aug 2022, 18:26
FTK FLOTEK INDUSTRIES INC/CN/ 21 Mar 2022 6 -$3,039,167 4 Director 23 Mar 2022, 16:30
FTK FLOTEK INDUSTRIES INC/CN/ 02 Feb 2022 3 +$3,000,001 4 Director 04 Feb 2022, 15:14
/report/000135694921000013-nierenberg-david-2021-06-15 Houston Wire & Cable CO 15 Jun 2021 3 $0 4 Director, 10%+ Owner 21 Jun 2021, 15:30
FTK FLOTEK INDUSTRIES INC/CN/ 03 Jun 2021 1 $0 4 Director 07 Jun 2021, 18:54