H.c. Charles Diao

Sits on 2 boards. Last updated September 28, 2026

Time on boards

Boards served
2
Current seats
2
Board service
7 years
Director since
2023

7 years of board service in total across 2 boards, counting each seat separately. Longest: Griffon Corporation, 3 years.

3 years ยท Since 2023
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
May 11, 2026 Turning Point Brands Inc. Grant or award +1,295 $92.71 $120,059
Feb 18, 2026 Griffon Corporation Grant or award +1,340 โ€” โ€”
Dec 15, 2025 Turning Point Brands Inc. Open-market sale โˆ’2,000 $108.20 $216,400
May 8, 2025 Turning Point Brands Inc. Grant or award +1,058 $75.66 $80,048
Mar 11, 2025 Griffon Corporation Grant or award +1,594 โ€” โ€”
May 8, 2024 Turning Point Brands Inc. Grant or award +2,415 $33.13 $80,009
May 8, 2024 Turning Point Brands Inc. Shares withheld for tax โˆ’689 $33.13 $22,827
Mar 20, 2024 Griffon Corporation Grant or award +1,525 โ€” โ€”
May 8, 2023 Turning Point Brands Inc. Grant or award +1,723 $21.77 $37,510
May 1, 2023 Turning Point Brands Inc. Shares withheld for tax โˆ’478 $23.65 $11,305
May 1, 2023 Turning Point Brands Inc. Grant or award +13 $23.65 $307
Mar 15, 2023 Griffon Corporation Grant or award +3,308 โ€” โ€”

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