Stefano Langenbacher

CIK: 0002015428

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)11 (44.0%)

Derivative conversions

Awards (A)3 (12.0%)

Compensation grants

Other (G, F, J, C, D, …)11 (44.0%)

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

Companies & Roles (1)

SEAT

Vivid Seats Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (25 total)

SEAT
Vivid Seats Inc.
Sep 11, 2026
Exercise(M)
Direct
44.5K shares-
SEAT
Vivid Seats Inc.
Sep 11, 2026
Tax Payment(F)
Direct
19.3K shares at avg. $4.95$95K
SEAT
Vivid Seats Inc.
Aug 12, 2026
Exercise(M)
Direct
592 shares-
SEAT
Vivid Seats Inc.
Aug 12, 2026
Tax Payment(F)
Direct
221 shares at avg. $7.26$2K
SEAT
Vivid Seats Inc.
Jun 11, 2026
Tax Payment(F)
Direct
19.7K shares at avg. $8.53$168K
SEAT
Vivid Seats Inc.
Jun 11, 2026
Exercise(M)
Direct
44.5K shares-
SEAT
Vivid Seats Inc.
May 12, 2026
Tax Payment(F)
Direct
256 shares at avg. $8.68$2K
SEAT
Vivid Seats Inc.
May 12, 2026
Exercise(M)
Direct
592 shares-
SEAT
Vivid Seats Inc.
Mar 11, 2026
Tax Payment(F)
Direct
25.6K shares at avg. $6.10$156K
SEAT
Vivid Seats Inc.
Mar 11, 2026
Exercise(M)
Direct
57.8K shares-
SEAT
Vivid Seats Inc.
Feb 12, 2026
Exercise(M)
Direct
592 shares-
SEAT
Vivid Seats Inc.
Feb 12, 2026
Tax Payment(F)
Direct
252 shares at avg. $6.81$2K
SEAT
Vivid Seats Inc.
Dec 15, 2025
Award(A)
Restricted Stock Units
Direct
305.8K shares-
SEAT
Vivid Seats Inc.
Dec 11, 2025
Exercise(M)
Direct
1.8K shares-
SEAT
Vivid Seats Inc.
Dec 11, 2025
Tax Payment(F)
Direct
804 shares at avg. $7.57$6K
SEAT
Vivid Seats Inc.
Nov 12, 2025
Tax Payment(F)
Direct
693 shares at avg. $9.46$7K
SEAT
Vivid Seats Inc.
Nov 12, 2025
Exercise(M)
Direct
2.4K shares-
SEAT
Vivid Seats Inc.
Sep 11, 2025
Tax Payment(F)
Direct
804 shares at avg. $17.33$14K
SEAT
Vivid Seats Inc.
Sep 11, 2025
Exercise(M)
Direct
1.8K shares-
SEAT
Vivid Seats Inc.
Jun 11, 2025
Tax Payment(F)
Direct
16K shares at avg. $1.79$29K
SEAT
Vivid Seats Inc.
Jun 11, 2025
Exercise(M)
Direct
36.3K shares-
SEAT
Vivid Seats Inc.
Mar 13, 2025
Award(A)
Restricted Stock Units
Direct
1.1M shares-
SEAT
Vivid Seats Inc.
Mar 11, 2025
Tax Payment(F)
Direct
65.5K shares at avg. $3.77$247K
SEAT
Vivid Seats Inc.
Mar 11, 2025
Exercise(M)
Direct
145.3K shares-
SEAT
Vivid Seats Inc.
Nov 11, 2024
Award(A)
Restricted Stock Units
Direct
142.1K shares-

		Type	Shares	Price		Ownership
Sep 11, 2026	SEAT Vivid Seats Inc.	Exercise(M)	44,491	-	$0	Direct
Sep 11, 2026	SEAT Vivid Seats Inc.	Tax Payment(F)	19,262	$4.95	$95,347	Direct
Aug 12, 2026	SEAT Vivid Seats Inc.	Exercise(M)	592	-	$0	Direct
Aug 12, 2026	SEAT Vivid Seats Inc.	Tax Payment(F)	221	$7.26	$1,604	Direct
Jun 11, 2026	SEAT Vivid Seats Inc.	Tax Payment(F)	19,708	$8.53	$168,109	Direct
Jun 11, 2026	SEAT Vivid Seats Inc.	Exercise(M)	44,491	-	$0	Direct
May 12, 2026	SEAT Vivid Seats Inc.	Tax Payment(F)	256	$8.68	$2,222	Direct
May 12, 2026	SEAT Vivid Seats Inc.	Exercise(M)	592	-	$0	Direct
Mar 11, 2026	SEAT Vivid Seats Inc.	Tax Payment(F)	25,620	$6.10	$156,282	Direct
Mar 11, 2026	SEAT Vivid Seats Inc.	Exercise(M)	57,836	-	$0	Direct
Feb 12, 2026	SEAT Vivid Seats Inc.	Exercise(M)	592	-	$0	Direct
Feb 12, 2026	SEAT Vivid Seats Inc.	Tax Payment(F)	252	$6.81	$1,716	Direct
Dec 15, 2025	SEAT Vivid Seats Inc.	Award(A) Restricted Stock Units	305,810	-	-	Direct
Dec 11, 2025	SEAT Vivid Seats Inc.	Exercise(M)	1,817	-	-	Direct
Dec 11, 2025	SEAT Vivid Seats Inc.	Tax Payment(F)	804	$7.57	$6,086	Direct
Nov 12, 2025	SEAT Vivid Seats Inc.	Tax Payment(F)	693	$9.46	$6,556	Direct
Nov 12, 2025	SEAT Vivid Seats Inc.	Exercise(M)	2,368	-	-	Direct
Sep 11, 2025	SEAT Vivid Seats Inc.	Tax Payment(F)	804	$17.33	$13,933	Direct
Sep 11, 2025	SEAT Vivid Seats Inc.	Exercise(M)	1,817	-	-	Direct
Jun 11, 2025	SEAT Vivid Seats Inc.	Tax Payment(F)	15,977	$1.79	$28,599	Direct
Jun 11, 2025	SEAT Vivid Seats Inc.	Exercise(M)	36,337	-	-	Direct
Mar 13, 2025	SEAT Vivid Seats Inc.	Award(A) Restricted Stock Units	1,067,615	-	-	Direct
Mar 11, 2025	SEAT Vivid Seats Inc.	Tax Payment(F)	65,521	$3.77	$247,014	Direct
Mar 11, 2025	SEAT Vivid Seats Inc.	Exercise(M)	145,347	-	-	Direct
Nov 11, 2024	SEAT Vivid Seats Inc.	Award(A) Restricted Stock Units	142,118	-	-	Direct

1-25 of 25 transactions

About Langenbacher Stefano

Langenbacher Stefano (SEC CIK 0002015428) files insider reports with the SEC as Chief Technology Officer of Vivid Seats Inc. (SEAT).

Signal8 holds 13 ownership filings by Langenbacher Stefano, all Form 4s, filed between Nov 13, 2024 and Sep 15, 2026. Those filings report 25 transactions, from Nov 11, 2024 to Sep 11, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Langenbacher Stefano's filings is in CHICAGO, IL.

Recent filings by Langenbacher Stefano

Sep 11, 2026: Option exercise of SEAT shares (Form 4, code M).
Sep 11, 2026: Tax withholding of SEAT shares (Form 4, code F).
Aug 12, 2026: Option exercise of SEAT shares (Form 4, code M).
Aug 12, 2026: Tax withholding of SEAT shares (Form 4, code F).
Jun 11, 2026: Tax withholding of SEAT shares (Form 4, code F).

Other insiders filing for Vivid Seats Inc. (SEAT)

Masino Julie D., Director
Boehly Todd L, Director
ANDERSON MARK M., Director
Dixon Craig A., Director
DeFlorio Jane E., Director
Donnini David, Director

How to read Form 4 transaction codes