Guo Jack Q. Insider Trading Activity (CSTM)

Summary

Updated Jul 16, 2026

Guo Jack Q. has filed 1 SEC Form 4 filing across 1 company in the last 90 days — selling. Lifetime open-market sales: $1.90M.

Profile

Jack Q. Guo is an executive known for his role as Executive Vice President and Chief Financial Officer (CFO) at Constellium SE, a global leader in aluminum solutions. He has significant experience in finance and management within the manufacturing and materials sectors.

Role	EVP & CFO
Notability	70/100

Board memberships

CONSTELLIUM SE

Awards & honors

Leadership in financial strategy at Constellium SE
Contribution to the growth of aluminum solutions in the automotive and aerospace industries

Recent Transactions

Date	Ticker	Company	Code	Shares	Price	Value
2026-05-07	CSTM	CONSTELLIUM SE	S — Open-market sale	25.2K	$32.62	$822K
2026-03-16	CSTM	CONSTELLIUM SE	A — Grant or award	19.7K	$0.00
2026-03-11	CSTM	CONSTELLIUM SE	S — Open-market sale	41.7K	$25.87	$1.08M
2026-03-11	CSTM	CONSTELLIUM SE	A — Grant or award	75.9K	$0.00

Frequently Asked Questions

Who is Guo Jack Q.?

How many SEC Form 4 filings has Guo Jack Q. submitted recently?

1 primary Form 4 filings in the last 90 days, covering 1 company.

Has Guo Jack Q. been buying or selling stock?

Recorded transactions: 0 open-market purchases () and 2 open-market sales ($1.90M) across all tracked filings.

Where can I see all of Guo Jack Q.'s SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

Guo Jack Q. — SEC Form 4 Insider Trading Activity