Insider · CIK 0001282683
Nierenberg Investment Management Company, Inc.
Files at RVSB (RIVERVIEW BANCORP INC), PBPB (POTBELLY CORP). First filing Aug 7, 2024, latest Jul 24, 2026.
In brief
Nierenberg Investment Management Company, Inc. files SEC Form 4 as 10% owner at RVSB (RIVERVIEW BANCORP INC), and also at PBPB (POTBELLY CORP). Since Aug 7, 2024, Nierenberg Investment Management Company, Inc. has reported 1 open-market buy worth $486k and 1 open-market sell worth $79k, the latest filed on Jul 24, 2026.
A track record needs three past buys with six months of prices behind them; Nierenberg Investment Management Company, Inc. has 0, so none is measured yet.
The newest scored trade: sold $79k of RVSB on Jul 22, 2026, filed Jul 24, 2026, scored 26 (weak). In the last 12 months: 0 buys worth $0 and 1 sell worth $79k.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
RVSB: RIVERVIEW BANCORP INC
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 26Weak | RVSBsell RIVERVIEW BANCORP INC | $79k 15,000 shares | -16% | +11% from low-13% from high | |
| 28Weak | PBPBbuy POTBELLY CORP | $486k 74,345 shares | +9% | - |
Transactions
Every row this insider has filed, 12 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jul 22, 2026 | RVSB RIVERVIEW BANCORP INC | SOpen-market sale Common Stockindirect: By: Haredale Ltd. | -5,000 | $5.25 | $26k | 89,388 | Jul 24, 2026 |
| Jul 23, 2026 | RVSB RIVERVIEW BANCORP INC | SOpen-market sale Common Stockindirect: By: Haredale Ltd. | -5,000 | $5.27 | $26k | 84,388 | Jul 24, 2026 |
| Jul 24, 2026 | RVSB RIVERVIEW BANCORP INC | SOpen-market sale Common Stockindirect: By: Haredale Ltd. | -5,000 | $5.29 | $26k | 79,388 | Jul 24, 2026 |
| Aug 5, 2024 | PBPB POTBELLY CORP | POpen-market purchase Common Stockindirect: The D3 Family Fund, L.P. | +13,886 | $6.48 | $90k | 878,887 | Aug 7, 2024 |
| Aug 5, 2024 | PBPB POTBELLY CORP | POpen-market purchase Common Stockindirect: The D3 Family Bulldog Fund, L.P. | +25,268 | $6.48 | $164k | 1,546,211 | Aug 7, 2024 |
| Aug 5, 2024 | PBPB POTBELLY CORP | POpen-market purchase Common Stockindirect: Haredale Ltd. | +6,618 | $6.48 | $43k | 101,338 | Aug 7, 2024 |
| Aug 6, 2024 | PBPB POTBELLY CORP | POpen-market purchase Common Stockindirect: The D3 Family Fund, L.P. | +1,571 | $6.59 | $10k | 880,458 | Aug 7, 2024 |
| Aug 6, 2024 | PBPB POTBELLY CORP | POpen-market purchase Common Stockindirect: The D3 Family Bulldog Fund, L.P. | +2,859 | $6.59 | $19k | 1,549,070 | Aug 7, 2024 |
| Aug 6, 2024 | PBPB POTBELLY CORP | POpen-market purchase Common Stockindirect: Haredale Ltd. | +749 | $6.59 | $4,936 | 102,087 | Aug 7, 2024 |
| Aug 7, 2024 | PBPB POTBELLY CORP | POpen-market purchase Common Stockindirect: The D3 Family Fund, L.P. | +7,097 | $6.62 | $47k | 887,555 | Aug 7, 2024 |
| Aug 7, 2024 | PBPB POTBELLY CORP | POpen-market purchase Common Stockindirect: The D3 Family Bulldog Fund, L.P. | +12,915 | $6.62 | $85k | 1,561,985 | Aug 7, 2024 |
| Aug 7, 2024 | PBPB POTBELLY CORP | POpen-market purchase Common Stockindirect: Haredale Ltd. | +3,382 | $6.62 | $22k | 105,469 | Aug 7, 2024 |
Questions about Nierenberg Investment Management Company, Inc.
Answered from the filings on this page, as of the latest one.
Is Nierenberg Investment Management Company, Inc. buying or selling?
In the last 12 months Nierenberg Investment Management Company, Inc. reported 0 open-market buys worth $0 and 1 open-market sell worth $79k on SEC Form 4; the latest was sold $79k of RVSB on Jul 22, 2026. Grants, option exercises and tax withholding are not counted.
How did Nierenberg Investment Management Company, Inc.'s past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Nierenberg Investment Management Company, Inc. has 0.
Where does Nierenberg Investment Management Company, Inc. file Form 4?
Nierenberg Investment Management Company, Inc. has filed Form 4 at RVSB (RIVERVIEW BANCORP INC); PBPB (POTBELLY CORP). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.