Company profile
LeonaBio, Inc. Insider Trading
LONAEvery SEC Form 4 insider trading filing for LeonaBio, Inc. (LONA) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- Nasdaq
- Sector
- Biological Products, (No Diagnostic Substances)
- CIK
- 0001620463
- Filings
- 113
- Insiders
- 21
- Last filing
- 2026-06-23
Activity summary
No insider transactions in the last 30 days. The most recent was on June 23, 2026, when Barbara Kosacz bought 28,000 shares. 113 filings from 21 insiders are on record below.
Three year balance
Buy and sell value by quarter, Q3 23 to Q2 26. LeonaBio, Inc. insiders are net buyers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $82.5M.
No insider activity recorded for LONA in the last 90 days.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 23, 2026 | Barbara Kosacz | LONA | Award | 28,000 | — | — |
| Jun 23, 2026 | Grant Pickering | LONA | Award | 28,000 | — | — |
| Jun 23, 2026 | James A Johnson | LONA | Award | 28,000 | — | — |
| Jun 23, 2026 | Kelly A Romano | LONA | Award | 28,000 | — | — |
| Jun 23, 2026 | Joseph Edelman | LONA | Award | 28,000 | — | — |
45 more transactions hidden
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The same rows, over the API.
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-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of LeonaBio, Inc. as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →