Stephanie Zapata Moore

CIK: 0001703634

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)4 (25.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)4 (25.0%)

Compensation grants

Other (G, F, J, C, D, …)8 (50.0%)

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

Companies & Roles (1)

VST

Vistra Corp.

Officer

Discretionary Trading P&L

Holdings

Transaction History (16 total)

VST
Vistra Corp.
Mar 9, 2026
Sale(S)
Direct
10K shares at avg. $160.31$1.6M
VST
Vistra Corp.
Mar 5, 2026
Award(A)
Direct
5.4K shares-
VST
Vistra Corp.
Mar 5, 2026
Tax Payment(F)
Direct
2K shares at avg. $167.40$329K
VST
Vistra Corp.
Feb 24, 2026
Tax Payment(F)
Direct
4.3K shares at avg. $171.62$732K
VST
Vistra Corp.
Feb 24, 2026
Award(A)
Direct
79.4K shares at avg. $171.62$13.6M
VST
Vistra Corp.
Feb 24, 2026
Tax Payment(F)
Direct
30.4K shares at avg. $171.62$5.2M
VST
Vistra Corp.
Nov 28, 2025
Gift(G)
Direct
3.6K shares-
VST
Vistra Corp.
Nov 24, 2025
Sale(S)
Direct
8.2K shares at avg. $173.35$1.4M
VST
Vistra Corp.
May 27, 2025
Sale(S)
Direct
35K shares at avg. $161.44$5.7M
VST
Vistra Corp.
Mar 5, 2025
Award(A)
Direct
4.8K shares-
VST
Vistra Corp.
Mar 5, 2025
Tax Payment(F)
Direct
1.3K shares at avg. $126.87$169K
VST
Vistra Corp.
Feb 24, 2025
Tax Payment(F)
Direct
4.3K shares at avg. $142.76$609K
VST
Vistra Corp.
Feb 24, 2025
Award(A)
Direct
62.5K shares at avg. $142.76$8.9M
VST
Vistra Corp.
Feb 24, 2025
Tax Payment(F)
Direct
23.6K shares at avg. $142.76$3.4M
VST
Vistra Corp.
Feb 24, 2025
Tax Payment(F)
Direct
4.1K shares at avg. $142.76$585K
VST
Vistra Corp.
Nov 22, 2024
Sale(S)
Direct
38.1K shares at avg. $161.94$6.2M

		Type	Shares	Price		Ownership
Mar 9, 2026	VST Vistra Corp.	Sale(S)	10,000	$160.31	$1,603,100	Direct
Mar 5, 2026	VST Vistra Corp.	Award(A)	5,356	-	$0	Direct
Mar 5, 2026	VST Vistra Corp.	Tax Payment(F)	1,963	$167.40	$328,606	Direct
Feb 24, 2026	VST Vistra Corp.	Tax Payment(F)	4,264	$171.62	$731,788	Direct
Feb 24, 2026	VST Vistra Corp.	Award(A)	79,444	$171.62	$13,634,179	Direct
Feb 24, 2026	VST Vistra Corp.	Tax Payment(F)	30,416	$171.62	$5,219,994	Direct
Nov 28, 2025	VST Vistra Corp.	Gift(G)	3,602	-	-	Direct
Nov 24, 2025	VST Vistra Corp.	Sale(S)	8,219	$173.35	$1,424,764	Direct
May 27, 2025	VST Vistra Corp.	Sale(S)	35,000	$161.44	$5,650,225	Direct
Mar 5, 2025	VST Vistra Corp.	Award(A)	4,825	-	-	Direct
Mar 5, 2025	VST Vistra Corp.	Tax Payment(F)	1,329	$126.87	$168,610	Direct
Feb 24, 2025	VST Vistra Corp.	Tax Payment(F)	4,263	$142.76	$608,586	Direct
Feb 24, 2025	VST Vistra Corp.	Award(A)	62,468	$142.76	$8,917,932	Direct
Feb 24, 2025	VST Vistra Corp.	Tax Payment(F)	23,563	$142.76	$3,363,854	Direct
Feb 24, 2025	VST Vistra Corp.	Tax Payment(F)	4,098	$142.76	$585,030	Direct
Nov 22, 2024	VST Vistra Corp.	Sale(S)	38,141	$161.94	$6,176,554	Direct

1-16 of 16 transactions

About Moore Stephanie Zapata

Moore Stephanie Zapata (SEC CIK 0001703634) files insider reports with the SEC as EVP and General Counsel of Vistra Corp. (VST).

Signal8 holds 9 ownership filings by Moore Stephanie Zapata, all Form 4s, filed between Nov 26, 2024 and Mar 12, 2026. Those filings report 16 transactions, from Nov 22, 2024 to Mar 9, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Moore Stephanie Zapata's filings is in IRVING, TX.

Recent filings by Moore Stephanie Zapata

Mar 9, 2026: Open-market sale of VST shares (Form 4, code S).
Mar 5, 2026: Grant or award of VST shares (Form 4, code A).
Mar 5, 2026: Tax withholding of VST shares (Form 4, code F).
Feb 24, 2026: Tax withholding of VST shares (Form 4, code F).
Feb 24, 2026: Grant or award of VST shares (Form 4, code A).

Other insiders filing for Vistra Corp. (VST)

Moldovan Kristopher E., EVP and CFO
HUDSON SCOTT A, EVP & President Vistra Retail
BURKE JAMES A, President and CEO
SULT JOHN R, Director
Acosta Arcilia, Director
HELM SCOTT B, Director

How to read Form 4 transaction codes