NX insider buying and SEC filings, explained
Quanex Building Products CORP · CIK 1423221
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$3.2M
Planned sales (10b5-1)
$117K
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Nov 2, 2026 | Planned (10b5-1) | Paul Cornett (SVP General Counsel, Secretary) sold 5,500 shares at about $21.32 ($117K), marked as a 10b5-1 plan trade. Holdings down 7% to 70,074 shares. | SEC filing Filed Nov 3, 2026, 4:15 PM ET |
| Dec 16–17, 2025 | Sale | Igor Tadeusz Kuzniar (10% owner) sold 200,000 shares indirectly between Dec 16, 2025 and Dec 17, 2025 at about $16.17 ($3.2M). Indirect holdings down 4% to 4,421,879 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 2 other reporting owners. | SEC filing Filed Dec 18, 2025 |
42 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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