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- Guo Jack Q.
Stock Insider Trading Activity of Guo Jack Q.
Guo Jack Q.
Sell
EVP & CFO
CSTM May 5, 2026
Avg Cost/Share
$32.62
Shares
25,201
Total Value
$822,056.62
Owned After
185,368
SEC Form 4
Guo Jack Q.
Sell
EVP & CFO
CSTM Mar 10, 2026
Avg Cost/Share
$25.87
Shares
41,717
Total Value
$1,079,218.79
Owned After
185,368
SEC Form 4
| Insider | Ticker | Relationship | Date | Transaction | Avg Cost | Shares | Total Value | Owned After | SEC Forms |
|---|---|---|---|---|---|---|---|---|---|
| Guo Jack Q. | CSTM | EVP & CFO | May 5, 2026 | Sell | $32.62 | 25,201 | $822,056.62 | 185,368 | |
| Guo Jack Q. | CSTM | EVP & CFO | Mar 10, 2026 | Sell | $25.87 | 41,717 | $1,079,218.79 | 185,368 |