Insider · CIK 0001461959
William S Rosenstadt
Files at BPAC (Blueport Acquisition Ltd). First filing -, latest -.
In brief
William S Rosenstadt files SEC Form 4 as CEO, chair, director and 10% owner at BPAC (Blueport Acquisition Ltd). No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.
A track record needs three past buys with six months of prices behind them; William S Rosenstadt has 0, so none is measured yet.
Signals
This insider’s open-market buys and sells, scored.
Transactions
Every row this insider has filed, 2 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Nov 13, 2025 | BPAC Blueport Acquisition Ltd | POpen-market purchase Class A Ordinary Share, par value $0.0001 per shareindirect: See Footnote | +197,250 | - | - | 1,634,750 | Dec 8, 2025 |
| Nov 13, 2025 | BPAC Blueport Acquisition Ltd | POpen-market purchase Right to receive one-sixth of one Class A Ordinary Sharederivativeindirect: See Footnote | +197,250 | - | - | 197,250 | Dec 8, 2025 |
Questions about William S Rosenstadt
Answered from the filings on this page, as of the latest one.
Is William S Rosenstadt buying or selling?
William S Rosenstadt has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.
How did William S Rosenstadt's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and William S Rosenstadt has 0.
Where does William S Rosenstadt file Form 4?
William S Rosenstadt has filed Form 4 at BPAC (Blueport Acquisition Ltd) as CEO and Chairman. 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.