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Insider · CIK 0001251789

William C Griffiths

director

Files at NX (Quanex Building Products CORP). First filing Nov 16, 2023, latest Dec 5, 2023.

In brief

William C Griffiths files SEC Form 4 as director at NX (Quanex Building Products CORP). Since Nov 16, 2023, William C Griffiths has reported 0 open-market buys worth $0 and 2 open-market sells worth $2.6M, the latest filed on Dec 5, 2023.

A track record needs three past buys with six months of prices behind them; William C Griffiths has 0, so none is measured yet.

The newest scored trade: sold $1.7M of NX on Dec 1, 2023, filed Dec 5, 2023, scored 38 (weak), under a 10b5-1 plan.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 2
$0 bought, $2.6M sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

NX: Quanex Building Products CORP

NXOct 12, 2026 · close 18.39

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
38Weak
NXsell 210b5-1
Quanex Building Products CORP
$1.7M
52,404 shares
-50%+69% from low0% from high
24Weak
NXsell10b5-1
Quanex Building Products CORP
$939k
30,892 shares
-23%+65% from low0% from high

Planned sales

Form 144 notices this insider filed before selling restricted or control stock, newest first.

FiledCompanySharesValueSale datePast 3 months
Nov 14, 2023 NX
Quanex Building Products Corp
58,296
0.18% of outstanding
$1.8MNov 14, 2023$1.4M

Transactions

Every row this insider has filed, 5 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Dec 1, 2023NX
Quanex Building Products CORP
SOpen-market sale
Common Stock10b5-1
-24,108$31.25$753k80,915Dec 5, 2023
Dec 4, 2023NX
Quanex Building Products CORP
SOpen-market sale
Common Stock10b5-1
-28,296$32.20$911k52,619Dec 5, 2023
Nov 14, 2023NX
Quanex Building Products CORP
SOpen-market sale
Common Stock10b5-1
-25,000$30.23$756k110,915Nov 16, 2023
Nov 15, 2023NX
Quanex Building Products CORP
SOpen-market sale
Common Stock10b5-1
-5,892$31.04$183k105,023Nov 16, 2023
Nov 1, 2023NX
Quanex Building Products CORP
AGrant or award
Restricted Stock Unitsderivative
+3,745$0.00$014,537Nov 2, 2023

Questions about William C Griffiths

Answered from the filings on this page, as of the latest one.

Is William C Griffiths buying or selling?

Not in the last 12 months. William C Griffiths's latest open-market trade on SEC Form 4 was sold $1.7M of NX on Dec 1, 2023.

How did William C Griffiths's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and William C Griffiths has 0.

Where does William C Griffiths file Form 4?

William C Griffiths has filed Form 4 at NX (Quanex Building Products CORP). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

William C Griffiths: insider trades and track record | InsiderTell