Updated Jul 16, 2026
SHAPIRO MARK S has filed 2 SEC Form 4 filings across 2 companies in the last 90 days — active on both sides. Lifetime open-market purchases: $2.00M. Lifetime open-market sales: $9.44M.

Mark S. Shapiro is a corporate executive known for his roles in various companies, including TKO Group Holdings, Inc. and Equity Residential. He has served as a director and has experience in the sports and entertainment sectors.
| Role | Director |
|---|---|
| Notability | 30/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-13 | TKO | TKO Group Holdings, Inc. | P — Open-market purchase | 6.0K | $185.40 | $1.11M |
| 2026-05-13 | TKO | TKO Group Holdings, Inc. | P — Open-market purchase | 4.8K | $184.62 | $887K |
| 2026-01-23 | TKO | TKO Group Holdings, Inc. | S — Open-market sale [10b5-1] | 14.4K | $201.98 | $2.90M |
| 2026-01-23 | TKO | TKO Group Holdings, Inc. | M — Option exercise [10b5-1] | 27.9K | $0.00 | |
| 2026-01-06 | TKO | TKO Group Holdings, Inc. | S — Open-market sale [10b5-1] | 32.0K | $204.08 | $6.54M |
| 2026-01-06 | TKO | TKO Group Holdings, Inc. | M — Option exercise [10b5-1] | 63.2K | $0.00 |
Mark S. Shapiro is a corporate executive known for his roles in various companies, including TKO Group Holdings, Inc. and Equity Residential. He has served as a director and has experience in the sports and entertainment sectors.…
2 primary Form 4 filings in the last 90 days, covering 2 companies.
Recorded transactions: 2 open-market purchases ($2.00M) and 2 open-market sales ($9.44M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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