Transaction · 0002160743-26-000013

Xu Shanshan

Xu Shanshan, SR, reported a transaction classified as unknown at Bambusa Therapeutics, Inc. involving 147238.000000 shares. Reported holdings after the transaction were 7562518.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

unknownSEC transaction code CSR
BBTXBambusa Therapeutics, Inc.
Trade date
Nov 02, 2026
Filing date
Nov 02, 2026
View on SEC Insider profile
Disclosed valueUnknownShares × reported price
Shares traded147kPrice unknown
Holdings after7.56MIndirect · See footnote
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Calculated only for code-P purchases and code-S sales.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Filing warnings

Notes recorded with this filing
1 warning
missing priceThe filing did not provide a usable price per share.

BBTX price since this filing

Daily closing prices, with the filing date and available return windows
BBTX · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago1w ago1d ago
Returns since7d30d90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
unknown
Code C
Identifier
0002160743-26-000013
Common Stock
Transaction date
Nov 02, 2026
Filed Nov 02, 2026, 09:04 PM · 0d delay
Shares
147,238 sh
Price unknown
Estimated value
—
Computed from shares × price
Holdings after
7,562,518 sh
Indirect · See footnote
Filing-only score

-4 points

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

How this score is calculated
  • timely_filing+4 points

    reporting_delay_days = 0

    Filing reported within two business days of the transaction.
  • missing_price-8 points

    price_cents is null

    Missing price reduces confidence in value-based signals.
Missing facts
  • price_cents
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

See remarks

Officer YesDirector Yes10% YesOther No
Footnotes & amended
  1. F1

    All shares of the preferred stock, par value $0.00001 per share, of the Issuer automatically converted on a one-for-one basis to shares of the Issuer's common stock, par value $0.00001 per share ("Com…

  2. F2

    Shares held by The Shanshan Xu 2025 Irrevocable Family Trust ("Xu Trust"). The Reporting Person may be deemed to share voting and dispositive power with respect to the shares held by the Xu Trust.

  3. F3

    Shares held by MiNeng, Inc. ("MiNeng"). The Reporting Person is the President and sole stockholder of MiNeng and therefore has sole voting and dispositive power with regard to the shares held by MiNen…

Original filing · 0002160743-26-000013
Related transactions

0 other transactions

Same SEC filing
Recent company activity

0 recent txs

BBTX