William C. Griffiths

Sits on 1 board. Last updated September 28, 2026

Time on boards

Boards served
1
Current seats
1
Board service
4 years
Director since
2023

4 years of board service in total across 1 board, counting each seat separately. Longest: Quanex Building Products Corporation, 3 years.

3 years · Since 2023

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Date Company Transaction Shares Price Value
Dec 4, 2023 Quanex Building Products Corporation Open-market sale −28,296 $32.20 $911,131
Dec 1, 2023 Quanex Building Products Corporation Open-market sale −24,108 $31.25 $753,375
Nov 15, 2023 Quanex Building Products Corporation Open-market sale −5,892 $31.04 $182,888
Nov 14, 2023 Quanex Building Products Corporation Open-market sale −25,000 $30.23 $755,750
Sep 1, 2023 Quanex Building Products Corporation Open-market sale −25,000 $29.09 $727,250
Aug 1, 2023 Quanex Building Products Corporation Open-market sale −6,321 $28.09 $177,557
Jul 31, 2023 Quanex Building Products Corporation Open-market sale −16,071 $28.09 $451,434
Jul 28, 2023 Quanex Building Products Corporation Open-market sale −806 $28.05 $22,608
Jul 27, 2023 Quanex Building Products Corporation Open-market sale −725 $28.02 $20,315
Jul 26, 2023 Quanex Building Products Corporation Open-market sale −2 $28.01 $56
Jul 20, 2023 Quanex Building Products Corporation Open-market sale −162 $28.06 $4,546
Jul 18, 2023 Quanex Building Products Corporation Open-market sale −913 $28.03 $25,591
Jun 30, 2023 Quanex Building Products Corporation Open-market sale −15,777 $27.12 $427,872
Jun 29, 2023 Quanex Building Products Corporation Open-market sale −9,223 $27.03 $249,298
Jun 14, 2023 Quanex Building Products Corporation Open-market sale −13,393 $26.29 $352,102

Questions about William C. Griffiths

What boards is William C. Griffiths on?

William C. Griffiths sits on the board of Quanex Building Products Corporation.

How long has William C. Griffiths served on boards?

Our records show at least 4 years of board service across 1 board, the earliest from 2023.

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