Stephanie Zapata Moore

Stephanie Zapata Moore: EVP and General Counsel at Vistra. What Stephanie Zapata Moore holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.

Vistra (VST)

Stephanie Zapata Moore holds 114,409 Vistra shares (0.03% of the company), worth about $18.4M at the last price, according to the Form 4 of Mar 9, 2026.

• Shares held: 114,409 (0.03%), $18.4M — Held in their own name.

Declarations

• Vistra (VST) — Form 4 of Mar 9, 2026 (EVP and General Counsel): open-market sale of 10,000 at $160.31; 114,409 shares after 0001703634-26-000007
• Vistra (VST) — Form 4 of Mar 5, 2026 (EVP and General Counsel): grant or award of 5,356; shares withheld for tax of 1,963 at $167.40; 124,409 shares after 0001703634-26-000004
• Vistra (VST) — Form 4 of Feb 24, 2026 (EVP and General Counsel): grant or award of 79,444 at $171.62; shares withheld for tax of 30,416 at $171.62; 121,016 shares after 0001703634-26-000002
• Vistra (VST) — Form 4 of Nov 28, 2025 (EVP and General Counsel): gift of 3,602; 76,252 shares after 0001703634-25-000005
• Vistra (VST) — Form 4 of Nov 24, 2025 (EVP and General Counsel): open-market sale of 8,219 at $173.35; 79,854 shares after 0001703634-25-000003
• Vistra (VST) — Form 4 of May 27, 2025 (EVP and General Counsel): open-market sale of 35,000 at $161.44; 88,073 shares after 0001692819-25-000067
• Vistra (VST) — Form 4 of Mar 5, 2025 (EVP and General Counsel): grant or award of 4,825; shares withheld for tax of 1,329 at $126.87; 123,073 shares after 0001692819-25-000017
• Vistra (VST) — Form 4 of Feb 24, 2025 (EVP and General Counsel): grant or award of 62,468 at $142.76; shares withheld for tax of 23,563 at $142.76; 119,577 shares after 0001692819-25-000004
• Vistra (VST) — Form 4 of Nov 22, 2024 (EVP and General Counsel): open-market sale of 38,141 at $161.94; 89,033 shares after 0001692819-24-000073
• Vistra (VST) — Form 4 of Aug 13, 2024 (EVP and General Counsel): open-market sale of 34,714 at $80.37; 127,174 shares after 0001692819-24-000063

Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.

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