Insider trade

Sionna Therapeutics (SION)Director bought ~$18.4M

RA CAPITAL MANAGEMENT, Director at Sionna Therapeutics, bought ~$18.4M of Sionna Therapeutics shares.

~$18.4M
Approx. value · 1.02M sh @ $18.00: 6.92M
Holds after · shares reported

Traded: Feb 10, 2025
Filed: Feb 10, 2025

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

Feb 10, 2025 · this disclosureInsiderDirector purchased ~$18.4M of SION shares in the open market

What came next

Feb 10, 2025Insider · 6 peopleInsiders: 6 purchases (~$44.1M)

View the official recordSEC Form 4

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Sionna Therapeutics

For Sionna Therapeutics, OQRO holds 5 fund holdings reports (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its SION page.

Other recent filings by RA CAPITAL MANAGEMENT, L.P., Director

The full history of RA CAPITAL MANAGEMENT, L.P., Director is on the profile page.

How this filing works

Other disclosures at Sionna Therapeutics

Everything OQRO holds on this company is on its SION page.

This is one filing. OQRO holds the rest

Insider trades filed with the SEC, stock trades disclosed by members of Congress, fund holdings from 13F filings and federal contract awards, each one in plain words next to its official filing. On this page it opens why the trade stands out, what the company did around that time, the price since, and every field of the form.

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