SEC Insider Transactions from Nierenberg Investment Management Company, Inc..

Last updated: 2026-03-14 10:55 UTC | Total transactions: 9

Nierenberg Investment Management Company, Inc. has filed 9 insider transactions across 1 company since August 2024.

Most recent transaction: a purchase of 13886 shares of POTBELLY CORP ($PBPB) on August 05, 2024.

Activity breakdown: 9 open-market purchases and 0 sales.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Aug. 5, 2024 POTBELLY CORP $PBPB Nierenberg Investment Management Company, Inc. Not found P Common Stock 13886 $6.48 2,546,341.0000 30,842,000 0.55% 0.05%
Aug. 5, 2024 POTBELLY CORP $PBPB Nierenberg Investment Management Company, Inc. Not found P Common Stock 25268 $6.48 2,539,235.0000 30,842,000 1.01% 0.08%
Aug. 5, 2024 POTBELLY CORP $PBPB Nierenberg Investment Management Company, Inc. Not found P Common Stock 6618 $6.48 2,550,878.0000 30,842,000 0.26% 0.02%
Aug. 6, 2024 POTBELLY CORP $PBPB Nierenberg Investment Management Company, Inc. Not found P Common Stock 1571 $6.59 2,547,912.0000 30,842,000 0.06% 0.01%
Aug. 6, 2024 POTBELLY CORP $PBPB Nierenberg Investment Management Company, Inc. Not found P Common Stock 2859 $6.59 2,542,094.0000 30,842,000 0.11% 0.01%
Aug. 6, 2024 POTBELLY CORP $PBPB Nierenberg Investment Management Company, Inc. Not found P Common Stock 749 $6.59 2,551,627.0000 30,842,000 0.03% 0.00%
Aug. 7, 2024 POTBELLY CORP $PBPB Nierenberg Investment Management Company, Inc. Not found P Common Stock 7097 $6.62 2,555,009.0000 30,842,000 0.28% 0.02%
Aug. 7, 2024 POTBELLY CORP $PBPB Nierenberg Investment Management Company, Inc. Not found P Common Stock 12915 $6.62 2,555,009.0000 30,842,000 0.51% 0.04%
Aug. 7, 2024 POTBELLY CORP $PBPB Nierenberg Investment Management Company, Inc. Not found P Common Stock 3382 $6.62 2,555,009.0000 30,842,000 0.13% 0.01%