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Insider transactions from public regulatory disclosures, aggregated and enriched with deterministic statistical signals. Not investment advice.

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Erwin Marion Johnston Jr. — TRex Bio, Inc. insider · InsiderLens

/ / Erwin Marion Johnston Jr.

Erwin Marion Johnston Jr.

Director at TRex Bio, Inc. · on record since Oct 8, 2026
Chief Executive Officer at TRex Bio, Inc. · on record since Oct 8, 2026

Insider trading activity of Erwin Marion Johnston Jr.

No transactions on record for Erwin Marion Johnston Jr..

Track record of Erwin Marion Johnston Jr.

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of Erwin Marion Johnston Jr.

Co-insiders of Erwin Marion Johnston Jr.

Alexandria Venture Investments, LLCTRex Bio, Inc.
Berner LauraTRex Bio, Inc.
Coy Travis AlanTRex Bio, Inc.
Gallagher Carol GiltnerTRex Bio, Inc.
Gilmore Julie AnnTRex Bio, Inc.
Hants BrandonTRex Bio, Inc.
Hirth PeterTRex Bio, Inc.
Kelman AriellaTRex Bio, Inc.
LILLY ELI & COTRex Bio, Inc.
MARCUS JOEL STRex Bio, Inc.
ROSS MICHAEL JAYTRex Bio, Inc.
SV Life Sciences Fund VI (GP), L.P.TRex Bio, Inc.
SV Life Sciences Fund VI, L.P.TRex Bio, Inc.
SVLSF VI, LLCTRex Bio, Inc.
Zarrin AliTRex Bio, Inc.

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