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: Vivmark Residential, 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Vivmark Residential June 18, 202695.6%
-
TKO Group Holdings Inc. June 10, 202685.6%
-
Vivmark Residential June 26, 202596.2%
-
TKO Group Holdings Inc. June 12, 202587.9%
-
Vivmark Residential June 20, 202492.9%
-
TKO Group Holdings Inc. June 12, 202483.7%
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Vivmark Residential June 15, 202397.0%
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 18, 2026 | TKO Group Holdings Inc. | Open-market sale | −19,120 | $194.39 | $3,716,737 |
| Aug 17, 2026 | TKO Group Holdings Inc. | Option exercise | +36,984 | — | — |
| May 13, 2026 | TKO Group Holdings Inc. | Open-market purchase | +4,807 | $184.62 | $887,468 |
| May 13, 2026 | TKO Group Holdings Inc. | Open-market purchase | +6,000 | $185.40 | $1,112,400 |
| Jan 22, 2026 | TKO Group Holdings Inc. | Open-market sale | −14,363 | $201.98 | $2,901,039 |
| Jan 20, 2026 | TKO Group Holdings Inc. | Option exercise | +27,921 | — | — |
| Jan 5, 2026 | TKO Group Holdings Inc. | Open-market sale | −32,022 | $204.08 | $6,535,050 |
| Dec 31, 2025 | TKO Group Holdings Inc. | Option exercise | +63,187 | — | — |
| Feb 28, 2025 | Vivmark Residential | Grant or award | +1,598 | $62.55 | $99,955 |
| Jan 3, 2025 | TKO Group Holdings Inc. | Open-market sale | −31,666 | $141.94 | $4,494,672 |
| Jan 2, 2025 | TKO Group Holdings Inc. | Option exercise | +63,187 | — | — |
| Sep 16, 2024 | TKO Group Holdings Inc. | Open-market sale | −31,026 | $114.76 | $3,560,544 |
| Sep 12, 2024 | TKO Group Holdings Inc. | Option exercise | +60,651 | — | — |
| Feb 28, 2024 | Vivmark Residential | Grant or award | +1,976 | $50.60 | $99,986 |
| Nov 14, 2023 | TKO Group Holdings Inc. | Open-market purchase | +12,531 | $79.80 | $999,974 |
Questions about Mark S. Shapiro
What boards is Mark S. Shapiro on?
Mark S. Shapiro sits on the boards of TKO Group Holdings Inc. and Vivmark Residential.
How long has Mark S. Shapiro served on boards?
Our records show at least 7 years of board service across 2 boards, the earliest from 2023.
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