William Landman

Sits on 1 board. Last updated September 27, 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: Zeta Global Holdings Corp., 3 years.

3 years ยท Since 2023

Shareholder support

Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

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
Aug 12, 2026 Zeta Global Holdings Corp. Sold back to the company โˆ’22,153 $28.55 $632,468
Jul 1, 2026 Zeta Global Holdings Corp. Grant or award +7,197 โ€” โ€”
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 โˆ’12,000 โ€” โ€”
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 โ€” โ€”
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 โˆ’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 โˆ’33,334 $21.73 $724,348
Nov 18, 2024 Zeta Global Holdings Corp. Open-market purchase +8,010 $18.55 $148,586
Oct 1, 2024 Zeta Global Holdings Corp. Grant or award +838 $29.83 $24,998

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