Name: Chang Carmen: Insider Trading History
Creator: Tracefour
License: https://www.usa.gov/government-works
Keywords: Chang Carmen, insider trading, SEC Form 4

Question 1

How many SEC Form 4 filings has Chang Carmen made?

Accepted Answer

Chang Carmen has filed 4 SEC Form 4 filings (22 transaction rows) across 4 companies, including COUR, KRRO, SGP since 2025.

Question 2

Which companies does Chang Carmen trade?

Accepted Answer

Chang Carmen has filed SEC Form 4 disclosures for 4 companies, including COUR, KRRO, SGP.

Question 3

When was Chang Carmen's most recent SEC Form 4 filing?

Accepted Answer

Chang Carmen's most recent SEC Form 4 filing on Tracefour is dated Jun 15, 2026.

Question 4

What is Chang Carmen's total buy and sell value in the current window?

Accepted Answer

Inside the rolling retention window, Chang Carmen bought $17.3M and sold $25K based on SEC Form 4 filings.

							Source
KRRO	Chang Carmen	10% Owner	Purchase	207,100	$2.3M	Mar 12	SEC ↗
SGP	Chang Carmen	10% Owner	Purchase	937,500	$15.0M	Feb 11	SEC ↗
NEUE	Chang Carmen	Director, 10% Owner	Sale	3,635	$25K	Oct 6	SEC ↗

Chang Carmen

Companies traded