Filings Radar

SEC 8-K and 6-K filings classified by Claude with reasoning, plus Form 4 insider transactions. Ingested from EDGAR’s filing stream in near-real time, reconciled overnight.

TRex Bio, Inc.

CIK 0002139097 0 material events

Insider activity (SEC Form 4)

Open-market buys and sells only — the deliberate trades. Zero here doesn’t mean no filings: grants, option exercises and tax withholding (below) are compensation, not market trades.

Open-market · last 30 days: 2 buyers bought $3.8M 0 sellers sold $0
Open-market · last 90 days: 2 buyers bought $3.8M 0 sellers sold $0
InsiderRoleDateTransactionSharesValue
Alexandria Venture Investments, LLC 10% Owner 2026-10-13 C 1167930 —
Alexandria Venture Investments, LLC 10% Owner 2026-10-13 Open-market buy 178571 $2.5M
MARCUS JOEL S Director 2026-10-13 C 41871 —
SVLSF VI, LLC 10% Owner 2026-10-13 C 1574074 $0
SVLSF VI, LLC 10% Owner 2026-10-13 C 475411 $0
SVLSF VI, LLC 10% Owner 2026-10-13 C 53892 $0
SVLSF VI, LLC 10% Owner 2026-10-13 C 16277 $0
SVLSF VI, LLC 10% Owner 2026-10-13 C 669939 $0
SVLSF VI, LLC 10% Owner 2026-10-08 Open-market buy 89783 $1.3M
SVLSF VI, LLC 10% Owner 2026-10-08 Open-market buy 3074 $43K
Most recent 10 reported transactions. Open-market buys (P) and sells (S) are the deliberate ones; grants and option exercises are compensation. Not investment advice.

We track this company, but none of its filings have been classified as material yet. New filings land after EDGAR’s nightly publish (~10 PM ET).