Blanchette Brian D. 4

What Happened
Brian D. Blanchette, Exec. VP and President, Ingalls, exercised restricted stock rights (RSRs) that vested on Feb 26, 2026. He received 95.675 shares valued at $443.00 per share (total value reported $42,384). To satisfy withholding taxes, 41.475 of those shares were withheld (valued at $18,373), leaving a net delivery of 54.200 shares (net value ≈ $24,011). The filing also shows the surrender/disposition of the derivative rights associated with those RSRs.

Key Details

• Transaction date: 2026-02-26; Form 4 filed: 2026-03-02 (filed within normal 2-business-day reporting window).
• Acquired: 95.675 shares on exercise/conversion @ $443.00 (total $42,384).
• Withheld for taxes (disposition): 41.475 shares @ $443.00 (value $18,373).
• Net shares delivered to Blanchette: 54.200 shares.
• Footnotes: F1 — shares were withheld by the issuer to pay withholding taxes on RSRs that vested on 2/26/26. F2 — RSRs were granted 2/26/24 under the 2022 LTISP and vest in three equal installments (this was a scheduled vesting). F3 — separate note about HII Stock Fund unit accounting in the Savings Plan (not directly affecting this vesting event).
• Shares owned after the transaction: not provided in the excerpt.

Context
This was a vesting/exercise of restricted stock rights (not an open-market purchase or sale). The withholding of shares to cover taxes is routine and effectively a cashless settlement of part of the award. Such vesting transactions are common as awards mature and do not, by themselves, imply the insider is buying or selling additional stock in the open market.