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

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