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Rosenstadt William S insider trades
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Rosenstadt William S insider trades

Rosenstadt William S has filed 2 Form 4s with the SEC that we hold, for Blueport Acquisition Ltd (BPAC) (CEO and Chairman, Director, 10% owner) and QBIO] (Chief Legal Officer, Director, 10% owner). Across all of them we count 1 purchase worth $0 and 0 sales worth $0 reported on Form 4. In the last 12 months: 1 purchase ($0) and 0 sales ($0). The first filing on our record is dated 2022-05-31 and the latest 2025-12-08.

Blueport Acquisition Ltd (BPAC)

CEO and Chairman, Director, 10% owner · 1 filing · 1 purchase or sale
Trade dateCodeSharesValue as filedFiledSource
2025-11-13P, purchase reported on Form 4197,250-2025-12-08SEC

QBIO]

Chief Legal Officer, Director, 10% owner · 1 filing · 0 purchases and sales

No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.

Source

Counted from the Form 4 filings this reporting owner (SEC CIK 1461959) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.

Source: U.S. Securities and Exchange Commission (EDGAR) and other official government data · Updated 2026-10-28 · For informational purposes only, not investment advice.
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