Huntington Ingalls (HII) CEO Christopher D. Kastner Sells Shares

What Happened
Christopher D. Kastner, President & CEO and a director of Huntington Ingalls Industries (HII), sold 13,070 shares of HII stock in an open‑market transaction on August 10, 2026. The weighted average sale price was $324.92, producing gross proceeds of $4,246,704. The trade is reported as a disposal (sale).

Key Details

• Transaction date: August 10, 2026; Form 4 filed August 11, 2026 (appears timely).
• Shares sold: 13,070; weighted average price: $324.92; highest price: $325.11; lowest price: $324.83.
• Proceeds: $4,246,704 (gross).
• Holdings after transaction: not specified in the summary provided — see the full Form 4 for post‑transaction beneficial ownership.
• Footnotes: Sale was executed pursuant to a Rule 10b5‑1 trading plan adopted by Kastner on May 12, 2026. Footnote also notes the reporting person can provide a breakdown of shares sold at each price within the stated range upon request.

Context
Sales executed under a prearranged 10b5‑1 plan are typically automated and pre‑scheduled, and are often considered routine rather than a direct signal of the insider’s current view of the company. For retail investors, purchases by insiders can be more informative than sales; this filing documents a planned disposition rather than an opportunistic buy.