ELI LILLY & Co - 08 Oct 2026 Form 3 Insider Report for TRex Bio, Inc.

Reporting relationship: 10%+ Owner
Issuer ticker: N/A
Reported as of: 08 Oct 2026
Net transaction value: $0
SEC form: 3
Accepted by SEC: 08 Oct 2026, 21:39:11 UTC
Prior SEC filing: 23 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ Christopher Anderson, Vice President, Leader of Corporate Securities and Assistant Corporate Secretary

Key filing fact

ELI LILLY & Co filed Form 3 for TRex Bio, Inc. on 08 Oct 2026.

Key facts

This page summarizes ELI LILLY & Co's Form 3 filing for TRex Bio, Inc..
0 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 08 Oct 2026, 21:39.

Change

Previous filing in this sequence was filed on 23 Jul 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (1)

CIK 0000059478 Primary reporting owner

ELI LILLY & Co

Relationship: 10%+ Owner
Address: LILLY CORPORATE CENTER, INDIANAPOLIS
Signature: /s/ Christopher Anderson, Vice President, Leader of Corporate Securities and Assistant Corporate Secretary
Signature date: 08 Oct 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

No ticker holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 5,480,872
Date: 08 Oct 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The reported securities consist of (i) 4,605,872 shares of Common Stock issuable upon mandatory conversion of convertible preferred stock and (ii) 875,000 shares of Common Stock being purchased by the Reporting Person in the Issuer's initial public offering.