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✦ Spy Mode investigation

Salvia Investment Gmbh's $6.0M purchase of BBTX

Bambusa Therapeutics, Inc. · 10% Owner · filed Nov 2, 2026. Opened Nov 2, 2026, last checked Nov 3, 2026. Waiting for the 7-day result; next check Nov 9, 2026.

Reported value$6.0M375,000 shares at $16.00
For this personUnusual1 buy · 0 sales on file
Similar buys beat S&P45%1,823 cases · all buys 46%

Worth a closer look

  • Open-market purchase with their own money (Form 4 code P), not a grant or option exercise.

Reasons for caution

  • Bought by a 10% owner or investment firm, whose reasons often differ from an executive's.
  • Similar past buys beat the S&P 500 only 45% of the time (1,823 cases); the typical one trailed it by 1.8%.

What happened after this filing

7 days Pending due Nov 9
30 days Pending due Dec 2
90 days Pending due Jan 31

What we couldn't check

  • Why they traded. Filings don't say, and we don't guess.
  • Company news after the filing, and any private terms.
Summary

Salvia Investment Gmbh (a 10% owner) bought $6.0M of BBTX at about $16.00 on Nov 2, 2026, reported to the SEC on Nov 2, 2026. Buys like this beat the S&P 500 45% of the time since 2020, against 46% for all insider buys. We found 1 point that make it worth a closer look and 2 reasons for caution. History, not a prediction.

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Written by fixed rules from SEC filings and our measured history, not by an AI model. Public data only. History, not a prediction, and not investment advice.

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