Mark M. Anderson

CIK: 0001710175

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)5 (31.3%)

Derivative conversions

Awards (A)11 (68.8%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (2)

SEAT

Vivid Seats Inc.

Director

GOGO

Gogo Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (16 total)

SEAT
Vivid Seats Inc.
Oct 19, 2026
Exercise(M)
Direct
245 shares-
GOGO
Gogo Inc.
Sep 30, 2026
Award(A)
Deferred Share Units
Direct
27.9K shares-
GOGO
Gogo Inc.
Jun 30, 2026
Award(A)
Deferred Share Units
Direct
19.4K shares-
SEAT
Vivid Seats Inc.
Jun 9, 2026
Award(A)
Restricted Stock Units
Direct
19.5K shares-
SEAT
Vivid Seats Inc.
Jun 3, 2026
Exercise(M)
Direct
6.6K shares-
GOGO
Gogo Inc.
Mar 31, 2026
Award(A)
Deferred Share Units
Direct
14.9K shares-
GOGO
Gogo Inc.
Dec 31, 2025
Award(A)
Deferred Share Units
Direct
12.9K shares-
SEAT
Vivid Seats Inc.
Oct 19, 2025
Exercise(M)
Direct
245 shares-
GOGO
Gogo Inc.
Sep 30, 2025
Award(A)
Deferred Share Units
Direct
7K shares-
GOGO
Gogo Inc.
Jun 30, 2025
Award(A)
Deferred Share Units
Direct
4.1K shares-
SEAT
Vivid Seats Inc.
Jun 3, 2025
Award(A)
Restricted Stock Units
Direct
131.6K shares-
SEAT
Vivid Seats Inc.
Jun 2, 2025
Exercise(M)
Direct
38.2K shares-
GOGO
Gogo Inc.
Mar 31, 2025
Award(A)
Deferred Share Units
Direct
7K shares-
GOGO
Gogo Inc.
Dec 31, 2024
Award(A)
Deferred Share Units
Direct
7.4K shares-
SEAT
Vivid Seats Inc.
Oct 19, 2024
Exercise(M)
Direct
4.9K shares-
GOGO
Gogo Inc.
Sep 30, 2024
Award(A)
Deferred Share Units
Direct
8.4K shares-

		Type	Shares	Price		Ownership
Oct 19, 2026	SEAT Vivid Seats Inc.	Exercise(M)	245	-	$0	Direct
Sep 30, 2026	GOGO Gogo Inc.	Award(A) Deferred Share Units	27,906	-	-	Direct
Jun 30, 2026	GOGO Gogo Inc.	Award(A) Deferred Share Units	19,354	-	-	Direct
Jun 9, 2026	SEAT Vivid Seats Inc.	Award(A) Restricted Stock Units	19,488	-	-	Direct
Jun 3, 2026	SEAT Vivid Seats Inc.	Exercise(M)	6,579	-	$0	Direct
Mar 31, 2026	GOGO Gogo Inc.	Award(A) Deferred Share Units	14,925	-	-	Direct
Dec 31, 2025	GOGO Gogo Inc.	Award(A) Deferred Share Units	12,875	-	-	Direct
Oct 19, 2025	SEAT Vivid Seats Inc.	Exercise(M)	245	-	-	Direct
Sep 30, 2025	GOGO Gogo Inc.	Award(A) Deferred Share Units	6,984	-	-	Direct
Jun 30, 2025	GOGO Gogo Inc.	Award(A) Deferred Share Units	4,087	-	-	Direct
Jun 3, 2025	SEAT Vivid Seats Inc.	Award(A) Restricted Stock Units	131,578	-	-	Direct
Jun 2, 2025	SEAT Vivid Seats Inc.	Exercise(M)	38,167	-	-	Direct
Mar 31, 2025	GOGO Gogo Inc.	Award(A) Deferred Share Units	6,960	-	-	Direct
Dec 31, 2024	GOGO Gogo Inc.	Award(A) Deferred Share Units	7,416	-	-	Direct
Oct 19, 2024	SEAT Vivid Seats Inc.	Exercise(M)	4,889	-	$0	Direct
Sep 30, 2024	GOGO Gogo Inc.	Award(A) Deferred Share Units	8,356	-	-	Direct

1-16 of 16 transactions

About ANDERSON MARK M.

ANDERSON MARK M. (SEC CIK 0001710175) files insider reports with the SEC as Director of Vivid Seats Inc. (SEAT) and Director of Gogo Inc. (GOGO).

Signal8 holds 15 ownership filings by ANDERSON MARK M., all Form 4s, filed between Oct 2, 2024 and Oct 21, 2026. Those filings report 16 transactions, from Sep 30, 2024 to Oct 19, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on ANDERSON MARK M.'s filings is in BROOMFIELD, CO.

Recent filings by ANDERSON MARK M.

Oct 19, 2026: Option exercise of SEAT shares (Form 4, code M).
Sep 30, 2026: Grant or award of GOGO derivative securities (Form 4, code A).
Jun 30, 2026: Grant or award of GOGO derivative securities (Form 4, code A).
Jun 9, 2026: Grant or award of SEAT derivative securities (Form 4, code A).
Jun 3, 2026: Option exercise of SEAT shares (Form 4, code M).

Other insiders filing for Vivid Seats Inc. (SEAT)

Masino Julie D., Director
Boehly Todd L, Director
Dixon Craig A., Director
DeFlorio Jane E., Director
Donnini David, Director
Thomas Joseph D. Jr., Chief Financial Officer

How to read Form 4 transaction codes