Acosta Arcilia 4

What Happened
Arcilia Acosta, a director of Vistra Corp. (VST), sold a total of 15,000 shares in open-market transactions on June 18, 2026. The sales were 7,500 shares at $165.04 (≈ $1,237,800) and 7,500 shares at $170.00 ($1,275,000), for aggregate proceeds of about $2,512,800. These were sales (routine dispositions), not purchases.

Key Details

• Transaction date: 2026-06-18 (reported on Form 4 filed 2026-06-23).
• Prices and amounts: 7,500 shares at $165.04 (≈ $1,237,800); 7,500 shares at $170.00 ($1,275,000).
• Footnotes: F1 — trades effected under a Rule 10b5‑1 plan adopted March 16, 2026. F2 — a weighted‑average price was used for one sale; shares were sold in multiple transactions at prices ranging $165.00–$165.04.
• Shares owned after the transaction: Not disclosed in the information provided.
• Timeliness: Filing date (June 23) is five days after the trade date (June 18), which appears to be a late Form 4 filing.

Context
Sales made under a Rule 10b5‑1 trading plan are typically pre-scheduled and do not necessarily reflect the insider’s current view of the company. For retail investors, purchases generally carry more direct informational weight than routine sales; this report documents a planned director sale of about $2.5M but does not on its own indicate a change in company fundamentals.