How many insider trades does FilingIQ track for LONA?

FilingIQ tracks 12 Form 4 insider transactions for LONA (LeonaBio, Inc.), covering filings from Mar 5, 2026 onwards. 2 of those are dated within the last 90 days.

Are LONA insiders net buyers or net sellers?

Across the full Form 4 history for LONA, 1 transactions (8%) were open-market purchases and 5 (42%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does LONA insider data come from?

Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ links every filing to the insider's SEC CIK, marks plan trades, tax withholding, option exercises, gifts, derivatives and amendments, and shows each open-market purchase and sale with the same fixed facts. It does not rate the stock.

How many institutions report holding LONA?

For the quarter ended Jun 30, 2026, 44 institutional managers reported a LONA position on SEC Form 13F. Investment managers with discretion over $100 million or more in 13(f) securities, mostly US-listed stocks, file a Form 13F within 45 days of each quarter end.

LONA insider trading

CIK 1620463

LeonaBio, Inc.: insider trade history from SEC Form 4 filings.

Form 4 trades

Last 90 days

Buys / sells

8% / 42%

Insiders

LONA insider activity at a glance

FilingIQ tracks 12 insider transactions for LONA in filings since Mar 5, 2026. The most recent transaction is dated Oct 26, 2026. They were reported by 7 insiders.

Across the full history, 1 open-market purchases and 5 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

How FilingIQ classifies each line, and the seven facts it shows on every open-market purchase and sale, are documented on the methodology page.

Open LONA on FilingIQ Raw filings on SEC EDGAR

Latest LONA Form 4 filings

Portman David J.

P Oct 28, 2026

PERCEPTIVE ADVISORS LLC

M Oct 26, 2026

PERCEPTIVE ADVISORS LLC

A Jul 10, 2026

PERCEPTIVE ADVISORS LLC

Most recent disclosures. Sign up to filter by transaction code, insider role or dollar value.

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13F funds holding LONA

For the quarter ended Jun 30, 2026, 44 institutional managers reported a LONA position on SEC Form 13F.

Frequently asked

How many insider trades does FilingIQ track for LONA?: FilingIQ tracks 12 Form 4 insider transactions for LONA (LeonaBio, Inc.), covering filings from Mar 5, 2026 onwards. 2 of those are dated within the last 90 days.
Are LONA insiders net buyers or net sellers?: Across the full Form 4 history for LONA, 1 transactions (8%) were open-market purchases and 5 (42%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does LONA insider data come from?: Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ links every filing to the insider's SEC CIK, marks plan trades, tax withholding, option exercises, gifts, derivatives and amendments, and shows each open-market purchase and sale with the same fixed facts. It does not rate the stock.
How many institutions report holding LONA?: For the quarter ended Jun 30, 2026, 44 institutional managers reported a LONA position on SEC Form 13F. Investment managers with discretion over $100 million or more in 13(f) securities, mostly US-listed stocks, file a Form 13F within 45 days of each quarter end.

Methodology & sources

Every LONA insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Institutional holder counts come from the quarter's SEC Form 13F reports. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). How lines are classified and which facts FilingIQ adds is documented on the methodology page; the people behind it are on the team page. Not investment advice; see disclaimer.