Form4.ai tracks every SEC insider trade in real time. See every NX insider filing with a free account — no card.
See every NX insider filing — free account, no card.
Free accountQuanex Building Products CORP (NX) has 12 SEC Form 4 insider filings on record in the last 90 days. Most recent filing: Nov. 3, 2026.
Open-market value, last 90 days
No open-market buys or sales in this period.
Form 4 filings by type, last 90 days
| Date | Insider | Trade | Value | Price since buy |
|---|---|---|---|---|
| Nov 3, 2026 SEC filing | Waltz William E Jr. Director | Holdings only | — | — |
| Nov 3, 2026 SEC filing | Shah Manish H Director | Holdings only | — | — |
| Nov 3, 2026 SEC filing | Maier Donald R. Director | Holdings only | — | — |
Create a free account to see all 12 NX filings from the last 90 days. No card needed.
Create free accountWant NX insider buys the moment they're filed, with Telegram alerts? Try Pro free for 7 days
Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.