// company-profile
LeonaBio, Inc.
LONAExchangeNasdaqSectorBiological Products, (No Diagnostic Substances)Filings102Insiders21
// api This LeonaBio, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
// 90-day insight
Over the last 90 days, LeonaBio, Inc. insiders bought $0 across 15 transactions with no open-market sales.
- Most active insider: Silverman Peter B. with 1 transaction totaling $0.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of LeonaBio, Inc. as of 2026-03-31
Total reported AUM
$65.5M
QoQ change
+41.9%
Reporting period
2026-03-31
#1
PERCEPTIVE ADVISORS LLC
CIK 1224962
$19.1M
1.9M shares
#2
ADAR1 Capital Management, LLC
CIK 1940272
$7.5M
727K shares
#3
ACORN CAPITAL ADVISORS, LLC
CIK 2054410
$6.5M
635K shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 5, 2026 | Silverman Peter B. | LONA | Award | 56,000 | $0.00 | $0K |
| May 5, 2026 | Holles Natalie C. | LONA | Award | 56,000 | $0.00 | $0K |
| May 5, 2026 | Callori Fred | LONA | Award | 56,000 | $0.00 | $0K |
| Apr 9, 2026 | Panzara Michael A. | LONA | Award | 28,000 | $0.00 | $0K |
| Apr 9, 2026 | CHURCH KEVIN | LONA | Award | 300,000 | $0.00 | $0K |
45 more transactions hidden
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