Jack Q. Guo
CIK 2095182 · View on SEC EDGAR ↗
Insider
First SEC filing: March 11, 2026 · Latest: March 11, 2026
On this page
Insider transactions
0 buys (P)
1 sells (S)
Net:
$-1,079,219
+ 2 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
2 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 10, 2026 | CSTM | S | 41,717 | $25.87 | $1,079,219 | 190,879 Direct | -17.94% | Disposed | 5.5% (price as of 2026-08-28) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.