Mark S. Shapiro

Insider Reports History

Identity Names, identifiers, and filing context for this profile. 1 identity field
Reporting-owner location
Ashburn, VA
SEC source record Original filing metadata and source links for verification. 1 source field
Latest reporting-owner signature
/s/ Samantha Thompson, Attorney-in-fact
Source: Latest parsed Forms 3/4/5 signature
Source evidence Original filing metadata and source links for verification. 1 source field
Transaction source note
Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.

Reported holdings for Mark S. Shapiro

Form 4 holding 1. President and Chief Operating Officer, Director

Endeavor Group Holdings, Inc.

Security class
Units of Executive Holdco
Shares / value
1,352,290
Estimated value
$37,187,975
Report date
24 Mar 2025
Price
$27.50
Ownership
Direct
Underlying class
Units of Endeavor Operating Company
Underlying amount
Form 4 holding President and Chief Operating Officer., Director

TKO Group Holdings, Inc.

Security class
Restricted Stock Units
Shares / value
73,969
Estimated value
$19,312,551
Report date
17 Aug 2025
Price
$76.41
Ownership
Direct
Underlying class
Class A Common Stock
Underlying amount
Form 4 holding President and Chief Operating Officer., Director

TKO Group Holdings, Inc.

Security class
Restricted Stock Unit
Shares / value
55,843
Estimated value
$11,889,462
Report date
20 Jan 2026
Price
$141.94
Ownership
Direct
Underlying class
Class A Common Stock
Underlying amount
Form 4 holding Director

EQUITY RESIDENTIAL

Security class
Common Shares Of Beneficial Interest
Shares / value
18,935
Estimated value
$1,184,384
Report date
28 Feb 2025
Price
$62.55
Ownership
Direct
Form 4 holding Director

EQUITY RESIDENTIAL

Security class
Common Shares Of Beneficial Interest
Shares / value
4,701
Estimated value
$294,048
Report date
28 Feb 2025
Price
$62.55
Ownership
SERP Account
Form 4 holding Director

EQUITY RESIDENTIAL

Security class
Restricted Units
Shares / value
3,561
Estimated value
$214,914
Report date
18 Jun 2026
Price
$64.23
Ownership
Direct
Underlying class
Common Shares Of Beneficial Interest
Underlying amount
Form 4 holding 1. President and Chief Operating Officer, Director

Endeavor Group Holdings, Inc.

Security class
Class A Common Stock
Shares / value
0
Estimated value
$0
Report date
24 Mar 2025
Price
$27.50
Ownership
Direct
Form 4 holding 1. President and Chief Operating Officer, Director

Endeavor Group Holdings, Inc.

Security class
Profits Units
Shares / value
0
Estimated value
$0
Report date
24 Mar 2025
Price
$27.50
Ownership
Direct
Underlying class
Units of Endeavor Operating Company
Underlying amount
Form 4 holding 1. President and Chief Operating Officer, Director

Endeavor Group Holdings, Inc.

Security class
Restricted Stock Unit
Shares / value
0
Estimated value
$0
Report date
24 Mar 2025
Price
$27.50
Ownership
Direct
Underlying class
Class A Common Stock
Underlying amount
Form 4 holding 1. President and Chief Operating Officer, Director

Endeavor Group Holdings, Inc.

Security class
Units of Endeavor Operating Company
Shares / value
0
Estimated value
$0
Report date
24 Mar 2025
Price
$27.50
Ownership
Direct
Underlying class
Units of Endeavor Operating Company
Underlying amount
Form 4 holding 1. President and Chief Operating Officer, Director

Endeavor Group Holdings, Inc.

Security class
Stock Option
Shares / value
0
Estimated value
Report date
24 Mar 2025
Price
Ownership
Direct
Underlying class
Class A Common Stock
Underlying amount

Insider Reports Filed by Mark S. Shapiro

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