Transaction · 0001722024-26-000004

Alexandria Venture Investments, LLC

Alexandria Venture Investments, LLC, 10%, reported a transaction classified as unknown at TRex Bio, Inc. involving 1167930.000000 shares. Reported holdings after the transaction were 1167930.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

unknownSEC transaction code C10%
TRXBTRex Bio, Inc.
Trade date
Oct 13, 2026
Filing date
Oct 15, 2026
View on SEC Insider profile
Estimated value—Shares × reported price
Shares traded1.16MPrice unknown
Holdings after1.16MDirect
% 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.

TRXB price since this filing

Daily closing prices, with the filing date and available return windows
TRXB · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago1w ago1d ago -0.9%
Returns since7d30d90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
unknown
Code C
Identifier
0001722024-26-000004
Common Stock
Transaction date
Oct 13, 2026
Filed Oct 15, 2026, 08:33 PM · 2d delay
Shares
1,167,930 sh
Price unknown
Estimated value
—
Computed from shares × price
Holdings after
1,167,930 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership Large Holdings Increase
Filing-only score

+2 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
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • timely_filing+4 points

    reporting_delay_days = 2

    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

No officer title

Officer NoDirector No10% YesOther No
Footnotes & amended
  1. F1

    Each share of preferred stock automatically converted into the Issuer's common stock at a ratio of 3.8649 shares of preferred stock to 1 share of common stock upon closing of the Issuer's initial publ…

Original filing · 0001722024-26-000004
Related transactions

0 other transactions

Same SEC filing
Recent company activity

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TRXB