Jack Q. Guo
EVP & CFO · CONSTELLIUM SE
- 2026
- May 7, 2026
- 3
Summary
Latest filing:
Jack Q. Guo is EVP & CFO of CONSTELLIUM SE (CSTM). 3 SEC Form 4 filings on record, most recently on 7 May 2026. Most recent open-market trade: sold $822K of CSTM on 7 May 2026. Lifetime open-market sales: $1.90M.
Recent transactions
4The latest 4 SEC Form 4 transactions reported by Jack Q. Guo.
Trading pattern
InsiderAlpha's records for Jack Q. Guo go back to 2026: 3 primary Form 4 filings, an average of 3.0 per year. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Jack Q. Guo files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Philippe Hoffmann - $3.83M in CSTM purchases and sales in the last 12 months
- Philip Ryan Jurkovic - $2.34M in CSTM purchases and sales in the last 12 months
- Nicolas Brun - $1.34M in CSTM purchases and sales in the last 12 months
- Marcus Becker - $1.04M in CSTM purchases and sales in the last 12 months
- Stephane Corre - $523K in CSTM purchases and sales in the last 12 months
- Michiel Brandjes - $325K in CSTM purchases and sales in the last 12 months
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Frequently asked questions
Who is Jack Q. Guo?
Jack Q. Guo is a corporate insider, tracked as EVP & CFO of CONSTELLIUM SE (CSTM). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Jack Q. Guo last file a Form 4?
The most recent primary Form 4 on record is dated 7 May 2026, one of 3 filings going back to 2026.
Has Jack Q. Guo been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($1.90M) across all tracked filings.