William C. Griffiths is Chairman at Quanex Building Products CORP (NX). They have made 10 open-market trades across 2 companies since 2008, most recently 2023-12-04.
CIK 0001251789
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
2 open-market purchases totalling $87K since 2008, against 8 sales. Too few scored purchases to measure a record yet.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| NX | SELL · 10b5-1 | 2023-12-01 | 2023-12-05 | $31.92 | $2.6M | -4.1% | -4.7% | +8.4% |
| NX | SELL · 10b5-1 | 2023-11-14 | 2023-11-16 | $30.49 | $1.1M | +0.3% | +1.3% | +9.2% |
| NX | SELL · 10b5-1 | 2023-09-01 | 2023-09-06 | $29.09 | $727K | +1.9% | -0.5% | +14.3% |
| NX | SELL · 10b5-1 | 2023-08-01 | 2023-08-02 | $28.09 | $355K | -1.7% | +6.2% | -3.3% |
| NX | SELL · 10b5-1 | 2023-07-28 | 2023-08-01 | $28.09 | $925K | -2.0% | -3.3% | -4.3% |
| NX | SELL · 10b5-1 | 2023-07-26 | 2023-07-28 | $28.02 | $20K | -0.9% | -8.2% | -4.7% |
| NX | SELL · 10b5-1 | 2023-07-20 | 2023-07-24 | $28.06 | $5K | +1.0% | -4.7% | -2.4% |
| NX | SELL · 10b5-1 | 2023-07-18 | 2023-07-19 | $28.03 | $26K | +0.2% | -7.3% | -0.1% |
| NX | SELL · 10b5-1 | 2023-06-29 | 2023-07-03 | $27.09 | $1.4M | +0.9% | +5.1% | +5.3% |
| NX | SELL · 10b5-1 | 2023-06-13 | 2023-06-15 | $26.64 | $2.1M | -0.1% | +2.5% | +3.5% |
| NX | SELL · 10b5-1 | 2023-02-13 | 2023-02-15 | $27.00 | $8K | -0.7% | -25.2% | -23.3% |
| NX | SELL · 10b5-1 | 2023-02-02 | 2023-02-06 | $27.02 | $38K | +0.6% | -5.0% | -24.8% |
| NX | SELL · 10b5-1 | 2021-05-10 | 2021-05-12 | $29.00 | $3K | +1.8% | +3.1% | -4.4% |
| NX | SELL | 2021-02-24 | 2021-02-26 | $25.03 | $280K | +9.7% | +1.5% | +6.7% |
| NX | SELL | 2021-02-19 | 2021-02-23 | $24.58 | $3.8M | +0.8% | +0.3% | +5.4% |
| NX | SELL | 2021-02-16 | 2021-02-17 | $24.26 | $2.8M | +4.5% | +10.7% | +10.6% |
| NX | SELL | 2021-02-11 | 2021-02-12 | $24.56 | $3.5M | -2.6% | +7.1% | +6.1% |
| NX | SELL | 2021-02-08 | 2021-02-10 | $24.78 | $4.1M | +1.1% | +10.8% | +12.9% |
| NX | SELL | 2020-12-23 | 2020-12-28 | $22.51 | $2.9M | +12.0% | -0.5% | +11.4% |
| NX | SELL | 2020-12-17 | 2020-12-21 | $22.62 | $3.2M | -1.5% | +13.1% | +15.4% |
| NX | SELL | 2020-10-02 | 2020-10-02 | $18.82 | $241K | +2.9% | -2.0% | +15.6% |
| CHB | BUY | 2008-11-26 | 2008-12-01 | $0.74 | $13K | N/A | N/A | N/A |
| CHB | BUY | 2008-07-24 | 2008-07-25 | $3.72 | $74K | N/A | N/A | N/A |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.