ORBIMED ADVISORS LLC

PrivateCIK: 1055951
Location

NEW YORK, NY

Senior insider sale

SIONNA THERAPEUTICS, INC. — senior position signals high conviction

$85.12M

1.94M shares

What this filing means

ORBIMED ADVISORS LLC plans to sell 1.94M shares of SIONNA THERAPEUTICS, INC. valued at approximately $85.12M. 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.

InsiderORBIMED ADVISORS LLCCIK 1055951
IssuerSIONNA THERAPEUTICS, INC.CIK 2036042
Director
Since Feb 2026
1.94M
Shares to sell
$85.12M
Approx. market value
1.08M
Acquired (3 months)
1
Planned
9 completed
Securities Acquired — Last 3 Months1
Sort

IPO

Cash

2/10/2025
1.08M
Total acquired1.08M
Planned & Completed Dispositions10
Sort

Completed

Completed

Units to sell

101.00

Market value

$4.5K

5/27/2026
Completed

Units to sell

184.64K

Market value

$8.53M

5/11/2026
Completed

Units to sell

59.77K

Market value

$2.66M

5/8/2026
Completed

Units to sell

48.55K

Market value

$2.17M

5/7/2026
Completed

Units to sell

2.95K

Market value

$131.2K

4/20/2026
Completed

Units to sell

52.40K

Market value

$2.34M

4/17/2026
Completed

Units to sell

226.91K

Market value

$10.29M

4/16/2026
Completed

Units to sell

235.86K

Market value

$10.53M

4/15/2026
Completed

Units to sell

47.81K

Market value

$2.13M

4/14/2026

Planned — Approximate Date

Nasdaq Stock MarketPlanned

Units to sell

1.08M

Market value

$46.33M

5/29/2026
Total

Units

1.94M

Value

$85.12M

ORBIMED ADVISORS LLC — Planned Insider Sale (Form 144) | Finecho