- Corporate Officers - N
- Nierenberg Investment Management Company, Inc.
Insider Trading History of Nierenberg Investment Management Company, Inc.
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Nierenberg Investment Management Company, Inc. since 2005.
This trader's CIK number is 1282683.
At the time of last reporting, Nierenberg Investment Management Company, Inc. was the Officer of Potbelly Corp. (stock ticker symbol PBPB).
Also see all insider trading activities at Potbelly Corp.
Note that in the past
Nierenberg Investment Management Company, Inc. also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Mexican Restaurants Inc (CASA) by Nierenberg Investment Management Company, Inc.
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2005 | CASA | 50,731 | $507,968 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Potbelly Corp (PBPB) by Nierenberg Investment Management Company, Inc.
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | PBPB | 29,769 | $277,687 | 0 | $0 | 0 | $0 |
| 2024 | PBPB | 4,740 | $44,413 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Amnet Mortgage, Inc. (INV) by Nierenberg Investment Management Company, Inc.
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2005 | INV | 0 | $0 | 1,371,200 | $14,123,360 | 0 | $0 |
Yearly summary of insider trading at Houston Wire & Cable Co (HWCC) by Nierenberg Investment Management Company, Inc.
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2020 | HWCC | 399,800 | $799,600 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Pediatric Services Of America Inc (PSAI) by Nierenberg Investment Management Company, Inc.
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2005 | PSAI | 100,744 | $1,501,312 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Asset Acceptance Capital Corp (AACC) by Nierenberg Investment Management Company, Inc.
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2013 | AACC | 0 | $0 | 315,617 | $2,053,042 | 0 | $0 |
Insider trading activities at 6 companies by Nierenberg Investment Management Company, Inc.:
1. Mexican Restaurants Inc (CASA)
2. Potbelly Corp (PBPB)
3. Amnet Mortgage, Inc. (INV)
4. Houston Wire & Cable Co (HWCC)
5. Pediatric Services Of America Inc (PSAI)
6. Asset Acceptance Capital Corp (AACC)
Table 1. Insider trading of Mexican Restaurants Inc (CASA) by Nierenberg Investment Management Company, Inc.
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2005-12-02 | CASA | Buy | 26,281 | 10.01 | 263,151 |
| 2005-12-02 | CASA | Buy | 24,450 | 10.01 | 244,817 |
Table 2. Insider trading of Potbelly Corp (PBPB) by Nierenberg Investment Management Company, Inc.
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-03-28 | PBPB | Buy | 22,169 | 9.36 | 207,501 |
| 2025-01-07 | PBPB | Buy | 7,600 | 9.23 | 70,186 |
| 2024-12-18 | PBPB | Buy | 4,740 | 9.37 | 44,413 |
Table 3. Insider trading of Amnet Mortgage, Inc. (INV) by Nierenberg Investment Management Company, Inc.
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2005-12-12 | INV | Sale | 1,371,200 | 10.30 | 14,123,360 |
Table 4. Insider trading of Houston Wire & Cable Co (HWCC) by Nierenberg Investment Management Company, Inc.
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2020-03-16 | HWCC | Buy | 399,800 | 2.00 | 799,600 |
Table 5. Insider trading of Pediatric Services Of America Inc (PSAI) by Nierenberg Investment Management Company, Inc.
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2005-12-20 | PSAI | Buy | 45,186 | 14.99 | 677,564 |
| 2005-12-16 | PSAI | Buy | 53,528 | 14.82 | 793,284 |
| 2005-12-01 | PSAI | Buy | 1,169 | 15.05 | 17,593 |
| 2005-11-14 | PSAI | Buy | 861 | 14.95 | 12,871 |
Table 6. Insider trading of Asset Acceptance Capital Corp (AACC) by Nierenberg Investment Management Company, Inc.
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2013-04-17 | AACC | Sale | 156,608 | 6.50 | 1,017,952 |
| 2013-04-18 | AACC | Sale | 153,243 | 6.51 | 997,611 |
| 2013-04-19 | AACC | Sale | 5,766 | 6.50 | 37,479 |
Insider trading activities including stock purchases, stock sales, and option exercises
listed in the above table cannot be completely guaranteed as to their accuracy.
For more information regarding the trades made by Nierenberg Investment Management Company, Inc.
(Officer of Potbelly Corp at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.