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HII Huntington Ingalls Industries, Inc.

Insider figures are trailing 90 days, open-market Form 4 only. Institutional figures are the latest reported quarter. These windows are not simultaneous.

-$4.5M net selling - trailing 90 days

0 buyers - 2 unique sellers

Historical context: No open-market activity in Sep 2026 — insiders traded in 10 of the last 24 months

Institutional activity: not available - insufficient comparable institutions for the latest complete quarter.

open-market Form 4 only - grants, exercises, tax withholding excluded. ~ derived from SEC-reported shares x price.

Insider net $ (monthly)open-market Form 4 only - grants, exercises, tax withholding excluded$10.0M$5.0M$0-$5.0M-$10.0M2024-10 $02024-11 $22K2024-12 $02025-01 $02025-02 $624K2025-03 -$142K2025-04 $02025-05 -$757K2025-06 -$450K2025-07 $02025-08 -$431K2025-09 $02025-10 $02025-11 -$5.8M2025-12 $02026-01 $02026-02 $02026-03 -$7.4M2026-04 $02026-05 -$1.1M2026-06 $02026-07 $02026-08 -$4.5M2026-09 $0Oct 24Dec 24Feb 25Apr 25Jun 25Aug 25Oct 25Dec 25Feb 26Apr 26Jun 26Aug 26~ derived from SEC-reported shares x price. Hatched: excluded (implausible price) or unpriced.

Institutional activity: not available - insufficient comparable institutions for the latest complete quarter.

Who is responsible

Insider Role Net activity Rows
Kastner Christopher D Director, President & CEO -~$4.2M 1
Harker Victoria D — -~$0.2M 1

Transactions

Date Insider Role Type Shares Price Value
August 10, 2026 Kastner Christopher D Director, President & CEO S -13070 324.92 ~$4.2M
August 7, 2026 Harker Victoria D — S -723 333.165 ~$0.2M
May 28, 2026 Hughes Edmond E. Jr. Ex VP & Chief HR Officer S -3500 319.581 ~$1.1M
March 6, 2026 Stiehle Thomas E. Ex. VP and CFO S -4500 430.54 ~$1.9M
March 5, 2026 Boudreaux Chad N. Ex VP & Chief Legal Officer S -4400 422.45 ~$1.9M
March 4, 2026 Chewning Eric D. EVP, Maritime Sys & Corp STR S -1700 433.44 ~$0.7M
March 2, 2026 Schuck Nicolas G Corp VP, Controller & CAO S -1720 457.39 ~$0.8M
March 2, 2026 Green Edgar A III Ex VP, Pres. HII Mission Tech S -4447.894 457.74 ~$2.0M
November 26, 2025 Boudreaux Chad N. Ex VP & Chief Legal Officer S -786.886 314.17 ~$0.2M
November 20, 2025 Hughes Edmond E. Jr. Ex VP & Chief HR Officer S -850 315.44 ~$0.3M
November 12, 2025 Kastner Christopher D Director, President & CEO S -15000 321.06 ~$4.8M
November 4, 2025 Harker Victoria D — S -1000 316.605 ~$0.3M
November 4, 2025 Schuck Nicolas G Corp VP, Controller & CAO S -465.681 314.355 ~$0.1M
August 29, 2025 Stanage Nick L — P 3500 272.78 ~$1.0M
August 5, 2025 Harker Victoria D — S -1000 268.63 ~$0.3M
August 4, 2025 Green Edgar A III Ex VP, Pres. HII Mission Tech S -4206.547 265.64 ~$1.1M
June 3, 2025 Boudreaux Chad N. Ex VP & Chief Legal Officer S -1965 228.9432 ~$0.4M
May 7, 2025 Hughes Edmond E. Jr. Ex VP & Chief HR Officer S -1300 231.91 ~$0.3M
May 6, 2025 KELLY ANASTASI D — S -1960 232.58 ~$0.5M
March 6, 2025 Schuck Nicolas G Corp VP, Controller & CAO S -750 189.555 ~$0.1M
February 27, 2025 DONALD KIRKLAND H — P 575 173.62 ~$100K
February 26, 2025 WELCH JOHN K — P 1000 174.9237 ~$0.2M
February 13, 2025 SCHIEVELBEIN THOMAS C — P 2120 164.8236 ~$0.3M
November 11, 2024 Wyatt D R Corp VP & Treasurer S -400 205.24 ~$82K
November 5, 2024 Jimenez Frank R — P 550 188.91 ~$0.1M