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: Ampco-Pittsburgh Corporation, 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Ampco-Pittsburgh Corporation May 8, 202596.7%
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 15, 2026 | Ampco-Pittsburgh Corporation | Grant or award | +7,374 | — | — |
| May 15, 2025 | Ampco-Pittsburgh Corporation | Grant or award | +12,728 | — | — |
| May 15, 2024 | Ampco-Pittsburgh Corporation | Grant or award | +12,728 | — | — |
| May 18, 2023 | Ampco-Pittsburgh Corporation | Grant or award | +12,728 | — | — |
Questions about William K. Lieberman
What boards is William K. Lieberman on?
William K. Lieberman sits on the board of Ampco-Pittsburgh Corporation.
How long has William K. Lieberman served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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