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: Zeta Global Holdings Corp., 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Zeta Global Holdings Corp. June 16, 202693.7%
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Zeta Global Holdings Corp. June 9, 202393.4%
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 |
|---|---|---|---|---|---|
| Oct 1, 2026 | Zeta Global Holdings Corp. | Grant or award | +791 | $31.57 | $24,972 |
| Aug 12, 2026 | Zeta Global Holdings Corp. | Sold back to the company | −22,153 | $28.55 | $632,468 |
| Jul 1, 2026 | Zeta Global Holdings Corp. | Grant or award | +7,197 | — | — |
| Jul 1, 2026 | Zeta Global Holdings Corp. | Grant or award | +1,270 | $19.68 | $24,994 |
| Apr 1, 2026 | Zeta Global Holdings Corp. | Grant or award | +1,570 | $15.92 | $24,994 |
| Jan 1, 2026 | Zeta Global Holdings Corp. | Grant or award | +1,228 | $20.35 | $24,990 |
| Nov 19, 2025 | Zeta Global Holdings Corp. | Gift | −12,000 | — | — |
| Oct 1, 2025 | Zeta Global Holdings Corp. | Grant or award | +1,258 | $19.87 | $24,996 |
| Jul 1, 2025 | Zeta Global Holdings Corp. | Grant or award | +9,907 | — | — |
| Jul 1, 2025 | Zeta Global Holdings Corp. | Grant or award | +1,614 | $15.49 | $25,001 |
| Apr 1, 2025 | Zeta Global Holdings Corp. | Grant or award | +1,843 | $13.56 | $24,991 |
| Mar 13, 2025 | Zeta Global Holdings Corp. | Sold back to the company | −33,330 | $13.70 | $456,621 |
| Jan 1, 2025 | Zeta Global Holdings Corp. | Grant or award | +1,389 | $17.99 | $24,988 |
| Dec 12, 2024 | Zeta Global Holdings Corp. | Sold back to the company | −33,334 | $21.73 | $724,348 |
| Nov 18, 2024 | Zeta Global Holdings Corp. | Open-market purchase | +8,010 | $18.55 | $148,586 |
Questions about William Landman
What boards is William Landman on?
William Landman sits on the board of Zeta Global Holdings Corp.
How long has William Landman served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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