LITTON MARK JAMES

PrivateCIK: 1604834
Location

BOTHELL, WA

Senior insider sale

Chief Operating Officer at LEONABIO, INC. — senior position signals high conviction

$45.5K

7.74K shares

What this filing means

LITTON MARK JAMES plans to sell 7.74K shares of LEONABIO, INC. valued at approximately $45.5K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderLITTON MARK JAMESCIK 1604834
IssuerLEONABIO, INC.CIK 1620463
Officer· Chief Operating Officer
Since Sep 2020
7.74K
Shares to sell
$45.5K
Approx. market value
22.25K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months1
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Restricted Stock Lapse - See Remarks

Equity Compensation

3/3/2026
22.25K
Total acquired22.25K
Planned & Completed Dispositions2
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Completed

Completed

Units to sell

2.59K

Market value

$17.8K

1/2/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

5.16K

Market value

$27.7K

3/4/2026
Total

Units

7.74K

Value

$45.5K

LITTON MARK JAMES — Planned Insider Sale (Form 144) | Finecho