PERCEPTIVE ADVISORS LLC - 23 Jun 2026 Form 4 Insider Report for LeonaBio, Inc. (LONA)

Reporting relationship: Director, 10%+ Owner
Issuer ticker: LONA
Reported as of: 23 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 09 Jul 2026, 18:48:01 UTC
Prior SEC filing: 18 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Joseph Edelman - for Perceptive Advisors LLC, By: Joseph Edelman, its managing member

Key filing fact

PERCEPTIVE ADVISORS LLC filed Form 4 for LeonaBio, Inc. (LONA) on 09 Jul 2026.

Key facts

This page summarizes PERCEPTIVE ADVISORS LLC's Form 4 filing for LeonaBio, Inc. (LONA).
1 reported transaction and 3 derivative rows are listed below.
Accepted by SEC: 09 Jul 2026, 18:48.

Change

Previous filing in this sequence was filed on 18 Jun 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 (3)

CIK 0001224962 Primary reporting owner

PERCEPTIVE ADVISORS LLC

Relationship: Director, 10%+ Owner
Address: 51 ASTOR PLACE, 10TH FLOOR, NEW YORK
Signature: /s/ Joseph Edelman - for Perceptive Advisors LLC, By: Joseph Edelman, its managing member
Signature date: 09 Jul 2026

CIK 0001164426

EDELMAN JOSEPH

Relationship: Director, 10%+ Owner
Address: 51 ASTOR PL, 10TH FL, NEW YORK
Signature: /s/ Joseph Edelman - for Perceptive Life Sciences Master Fund Ltd., By: Perceptive Advisors LLC, its investment manager, By: Joseph Edelman, its managing member
Signature date: 09 Jul 2026

CIK 0001249675

PERCEPTIVE LIFE SCIENCES MASTER FUND LTD

Relationship: Director, 10%+ Owner
Address: 51 ASTOR PLACE, 10TH FLOOR, NEW YORK
Signature: /s/ Joseph Edelman
Signature date: 09 Jul 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: +28,000
Change %
Price: $0.000000^*
Shares after: 28,000
Date: 23 Jun 2026
Ownership: See footnote
Underlying class: Common Stock
Underlying amount: 28,000
Exercise price: $8.35
Footnotes: F1, F2

LONA transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value
Shares: +28,000
Change %
Price: $0.000000^*
Shares after: 28,000
Date: 23 Jun 2026
Ownership: See footnote
Underlying class: Common Stock
Underlying amount: 28,000
Exercise price: $8.35
Footnotes: F1, F2

LONA transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value
Shares: +28,000
Change %
Price: $0.000000^*
Shares after: 28,000
Date: 23 Jun 2026
Ownership: See footnote
Underlying class: Common Stock
Underlying amount: 28,000
Exercise price: $8.35
Footnotes: F1, F2

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

The shares subject to the option will vest on the earlier of (i) June 23, 2027, or (ii) the day immediately before the date of the next annual meeting of the Issuer's stockholders that occurs after June 22, 2026. The option reported was granted pursuant to the terms of the Issuer's Outside Director Compensation Policy.

Footnote F2

Joseph Edelman ("Mr. Edelman") is the managing member of Perceptive Advisors LLC (the "Advisor"). The Advisor serves as the investment manager of Perceptive Life Sciences Master Fund Ltd. (the "Master Fund"). The Advisor may be deemed to have an indirect pecuniary interest in the securities reported herein because the Advisor has the right to receive the director compensation provided in respect of Mr. Edelman's board service through a partial management fee offset. Each of the Master Fund and the Advisor disclaim, for purposes of Section 16 of the Securities Exchange Act of 1934, beneficial ownership of such securities, except to the extent of its indirect pecuniary interest therein, and this report shall not be deemed an admission that either the Master Fund or the Advisor is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.