Arcilia Acosta

Arcilia Acosta: Director at Vistra. What Arcilia Acosta 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)

Arcilia Acosta holds 32,607 Vistra shares (0.01% of the company), worth about $4.9M at the last price, according to the Form 4 of Jun 18, 2026.

• Shares held: 32,607 (0.01%), $4.9M — Held in their own name.

Declarations

• Vistra (VST) — Form 4 of Jun 18, 2026: open-market sale of 7,500 at $165.04; open-market sale of 7,500 at $170.00; 32,607 shares after 0001629039-26-000016
• Vistra (VST) — Form 4 of May 15, 2026: grant or award of 1,268; 47,607 shares after 0001629039-26-000010
• Vistra (VST) — Form 4 of May 15, 2025: grant or award of 1,163; 46,339 shares after 0001692819-25-000055

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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