Robert Renninger - 09 Apr 2026 Form 4 Insider Report for LeonaBio, Inc. (LONA)

Reporting relationship: CHIEF FINANCIAL OFFICER
Issuer ticker: LONA
Reported as of: 09 Apr 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 13 Apr 2026, 16:47:37 UTC
Prior SEC filing: 05 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Mark Worthington Attorney-in-Fact for Robert Renninger

Key filing fact

Robert Renninger filed Form 4 for LeonaBio, Inc. (LONA) on 13 Apr 2026.

Key facts

This page summarizes Robert Renninger's Form 4 filing for LeonaBio, Inc. (LONA).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 13 Apr 2026, 16:47.

Change

Previous filing in this sequence was filed on 05 Mar 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

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002037968 Primary reporting owner

Renninger Robert

Relationship: CHIEF FINANCIAL OFFICER
Address: C/O LEONABIO, INC., 18706 NORTH CREEK PARKWAY, SUITE 104, BOTHELL
Signature: /s/ Mark Worthington Attorney-in-Fact for Robert Renninger
Signature date: 13 Apr 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

LONA transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value
Shares: +300,000
Change %
Price: $0.000000^*
Shares after: 300,000
Date: 09 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 300,000
Exercise price: $9.54
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 shares subject to the option shall be scheduled to vest monthly over a term of 48 months on the monthly anniversaries of the grant date, subject to the optionee continuing to be a Service Provider (as defined in the Issuer's 2026 Equity Incentive Plan) through the applicable vesting dates.