Name: SION Insider Trading Activity
Creator: Tracefour
License: https://www.usa.gov/government-works
Keywords: SION, insider trading, SEC Form 4, insider transactions

Question 1

How many SEC Form 4 insider filings does SION have?

Accepted Answer

Sionna Therapeutics, Inc. (SION) has 13 SEC Form 4 filings (62 transaction rows) in the rolling 365-day window, disclosed by 5 distinct insiders. Most recent filing: Jul 9, 2026.

Question 2

When was the most recent SEC Form 4 filing for SION?

Accepted Answer

The most recent Form 4 filing for SION on Tracefour is dated Jul 9, 2026.

Question 3

Who is the most active insider at SION?

Accepted Answer

The most active SEC Form 4 filer at SION in the rolling window is Insider Booth Bruce, with 8 filings.

Question 4

What is the net insider flow at SION over the last 6 months?

Accepted Answer

Over the trailing 180 days, insiders at SION have net sold $45.4M based on SEC Form 4 disclosures.

Question 5

What is the total insider buy and sell value at SION in the current window?

Accepted Answer

Inside the rolling window, insiders at SION bought $0 and sold $67.3M based on SEC Form 4 filings.

						Source
Thompson Peter A.	Director	Sale	85,918	$3.9M	Jul 9	SEC ↗
ORBIMED ADVISORS LLC	Director	Sale	85,918	$3.9M	Jul 9	SEC ↗
Fitzpatrick JenniferFirst filing	Chief Legal Officer	Sale	10,250	$447K	Jul 7	SEC ↗
ORBIMED ADVISORS LLC	Director	Sale	115,844	$5.3M	Jul 2	SEC ↗
Thompson Peter A.	Director	Sale	115,844	$5.3M	Jul 2	SEC ↗
Thompson Peter A.	Director	Sale	101	$4K	May 30	SEC ↗
ORBIMED ADVISORS LLC	Director	Sale	101	$4K	May 30	SEC ↗
Thompson Peter A.First filing	Director	Sale	48,546	$2.2M	May 11	SEC ↗
Thompson Peter A.First filing	Director	Sale	59,767	$2.7M	May 11	SEC ↗
Thompson Peter A.First filing	Director	Sale	184,639	$8.5M	May 11	SEC ↗
ORBIMED ADVISORS LLC	Director	Sale	48,546	$2.2M	May 11	SEC ↗
ORBIMED ADVISORS LLC	Director	Sale	59,767	$2.7M	May 11	SEC ↗
ORBIMED ADVISORS LLC	Director	Sale	184,639	$8.5M	May 11	SEC ↗
Cloonan MichaelFirst filing	President & CEO	Sale	99,800	$3.6M	Oct 22	SEC ↗
Booth Bruce	Insider	Sale	88,878	$3.0M	Oct 21	SEC ↗
Booth Bruce	Insider	Sale	169,260	$5.5M	Oct 20	SEC ↗
Booth Bruce	Insider	Sale	61,124	$2.0M	Oct 20	SEC ↗
Booth Bruce	Insider	Sale	55,985	$1.8M	Oct 20	SEC ↗
Booth BruceFirst filing	Insider	Sale	20,238	$607K	Oct 15	SEC ↗
Booth BruceFirst filing	Insider	Sale	58,232	$1.8M	Oct 15	SEC ↗
Booth BruceFirst filing	Insider	Sale	606	$18K	Oct 15	SEC ↗
Booth BruceFirst filing	Insider	Sale	115,856	$3.5M	Oct 15	SEC ↗

SION

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