HII

SEC source: 0001209191-23-018708 · doc4.xml · nonDerivative · entry 1

DONALD KIRKLAND H · CIK 0001579933 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 4,279.624

F1 · shares: Pursuant to the terms of the Huntington Ingalls Industries, Inc. 2012 and 2022 Long-Term Incentive Stock Plan, the number of shares is determined by dividing the aggregate amount of the dividend by the closing price of a share of common stock on the date of the payment of the dividend.

F2 · ownership.nature: Represents vested restricted stock units credited to the Reporting Person's account pursuant to Huntington Ingalls Industries, Inc.'s 2012 and 2022 Long-Term Incentive Stock Plans. Each director stock unit represents a right to receive one share of Issuer common stock (or cash equivalent value), which will generally become payable within 30 days following the date a non-employee director ceases to provide services as a member of the board of directors.

SEC source: 0001209191-23-018732 · doc4.xml · nonDerivative · entry 1

Hughes Edmond E. Jr. · CIK 0001920500 · Ex VP & Chief HR Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,407.523

F1 · date: Shares purchased through broker-administered dividends reinvestment plan.

SEC source: 0001209191-23-015534 · doc4.xml · nonDerivative · entry 1

Kastner Christopher D · CIK 0001569904 · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,549.24

SEC source: 0001209191-23-015506 · doc4.xml · nonDerivative · entry 1

Schuck Nicolas G · CIK 0001651056 · Corp VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,781.483

SEC source: 0001209191-23-014945 · doc4.xml · nonDerivative · entry 5

Green Edgar A III · CIK 0001691442 · Ex VP, Pres. HII Mission Tech

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,982.211

F3 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2022.

F6 · price: The price shown is the weighted average price at which shares were acquired in multiple sales transactions made pursuant to a single market order. The range of prices for the transactions was $215.55 to $215.63. Upon request by SEC staff, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price.

SEC source: 0001209191-23-014945 · doc4.xml · nonDerivative · entry 4

Green Edgar A III · CIK 0001691442 · Ex VP, Pres. HII Mission Tech

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,321.211

F3 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2022.

F5 · price: The price shown is the weighted average price at which shares were acquired in multiple sales transactions made pursuant to a single market order. The range of prices for the transactions was $214.43 to $215.36. Upon request by SEC staff, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price.

SEC source: 0001209191-23-014945 · doc4.xml · nonDerivative · entry 3

Green Edgar A III · CIK 0001691442 · Ex VP, Pres. HII Mission Tech

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,514.211

F3 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2022.

F4 · price: The price shown is the weighted average price at which shares were acquired in multiple sales transactions made pursuant to a single market order. The range of prices for the transactions was $213.42 to $214.41. Upon request by SEC staff, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price.

SEC source: 0001209191-23-014949 · doc4.xml · nonDerivative · entry 2

Harris Paul C. · CIK 0001918481 · Ex VP & Chief Sustainability

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 963

F2 · shares: Shares withheld by the issuer for the payment of withholding taxes on restricted stock that vested on February 28, 2023.

SEC source: 0001209191-23-014949 · doc4.xml · nonDerivative · entry 1

Harris Paul C. · CIK 0001918481 · Ex VP & Chief Sustainability

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,803

F1 · shares: The Huntington Ingalls Industries, Inc. Compensation Committee determined that all performance goals had been met for these restricted stock units, and they were issued on February 28, 2023.

SEC source: 0001209191-23-014955 · doc4.xml · nonDerivative · entry 2

Hughes Edmond E. Jr. · CIK 0001920500 · Ex VP & Chief HR Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,245.142

F2 · shares: Shares withheld by the issuer for the payment of withholding taxes on restricted stock that vested on February 28, 2023.

SEC source: 0001209191-23-014955 · doc4.xml · nonDerivative · entry 1

Hughes Edmond E. Jr. · CIK 0001920500 · Ex VP & Chief HR Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,907.142

F1 · shares: The Huntington Ingalls Industries, Inc. Compensation Committee determined that all performance goals had been met for these restricted stock units, and they were issued on February 28, 2023.

SEC source: 0001209191-23-014973 · doc4.xml · nonDerivative · entry 2

Wilkinson Kara R. · CIK 0001852543 · Ex. VP and President, Ingalls

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,346.588

F2 · shares: Shares withheld by the issuer for the payment of withholding taxes on restricted stock that vested on February 28, 2023.

SEC source: 0001209191-23-014973 · doc4.xml · nonDerivative · entry 1

Wilkinson Kara R. · CIK 0001852543 · Ex. VP and President, Ingalls

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,916.588

F1 · shares: The Huntington Ingalls Industries, Inc. Compensation Committee determined that all performance goals had been met for these restricted stock units, and they were issued on February 28, 2023.

SEC source: 0001209191-23-014933 · doc4.xml · nonDerivative · entry 2

Boudreaux Chad N. · CIK 0001808160 · Ex VP & Chief Legal Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,806.409

F2 · shares: Shares withheld by the issuer for the payment of withholding taxes on restricted stock that vested on February 28, 2023.

SEC source: 0001209191-23-014933 · doc4.xml · nonDerivative · entry 1

Boudreaux Chad N. · CIK 0001808160 · Ex VP & Chief Legal Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,569.409

F1 · shares: The Huntington Ingalls Industries, Inc. Compensation Committee determined that all performance goals had been met for these restricted stock units, and they were issued on February 28, 2023.

SEC source: 0001209191-23-014931 · doc4.xml · nonDerivative · entry 2

Amin Bharat B. · CIK 0001799356 · Ex. VP & CIO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,084.394

F2 · shares: Shares withheld by the issuer for the payment of withholding taxes on restricted stock that vested on February 28, 2023.

SEC source: 0001209191-23-014931 · doc4.xml · nonDerivative · entry 1

Amin Bharat B. · CIK 0001799356 · Ex. VP & CIO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,554.394

F1 · shares: The Huntington Ingalls Industries, Inc. Compensation Committee determined that all performance goals had been met for these restricted stock units, and they were issued on February 28, 2023.

SEC source: 0001209191-23-014936 · doc4.xml · nonDerivative · entry 2

Boykin Jennifer R. · CIK 0001706050 · Ex VP, President NNS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,973.558

F2 · shares: Shares withheld by the issuer for the payment of withholding taxes on restricted stock that vested on February 28, 2023.

SEC source: 0001209191-23-014936 · doc4.xml · nonDerivative · entry 1

Boykin Jennifer R. · CIK 0001706050 · Ex VP, President NNS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,743.558

F1 · shares: The Huntington Ingalls Industries, Inc. Compensation Committee determined that all performance goals had been met for these restricted stock units, and they were issued on February 28, 2023.

SEC source: 0001209191-23-014945 · doc4.xml · nonDerivative · entry 2

Green Edgar A III · CIK 0001691442 · Ex VP, Pres. HII Mission Tech

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,699.211

F2 · shares: Shares withheld by the issuer for the payment of withholding taxes on restricted stock that vested on February 28, 2023.

SEC source: 0001209191-23-014945 · doc4.xml · nonDerivative · entry 1

Green Edgar A III · CIK 0001691442 · Ex VP, Pres. HII Mission Tech

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,561.211

F1 · shares: The Huntington Ingalls Industries, Inc. Compensation Committee determined that all performance goals had been met for these restricted stock units, and they were issued on February 28, 2023.

SEC source: 0001209191-23-014984 · doc4.xml · nonDerivative · entry 2

Wyatt D R · CIK 0001516245 · Corp VP & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,314.078

F2 · shares: Shares withheld by the issuer for the payment of withholding taxes on restricted stock that vested on February 28, 2023.

SEC source: 0001209191-23-014984 · doc4.xml · nonDerivative · entry 1

Wyatt D R · CIK 0001516245 · Corp VP & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,135.078

F1 · shares: The Huntington Ingalls Industries, Inc. Compensation Committee determined that all performance goals had been met for these restricted stock units, and they were issued on February 28, 2023.

SEC source: 0001209191-23-014966 · doc4.xml · nonDerivative · entry 2

Stiehle Thomas E. · CIK 0001846302 · Ex. VP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,567.257

F2 · shares: Shares withheld by the issuer for the payment of withholding taxes on restricted stock that vested on February 28, 2023.

SEC source: 0001209191-23-014966 · doc4.xml · nonDerivative · entry 1

Stiehle Thomas E. · CIK 0001846302 · Ex. VP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,254.257

F1 · shares: The Huntington Ingalls Industries, Inc. Compensation Committee determined that all performance goals had been met for these restricted stock units, and they were issued on February 28, 2023.

SEC source: 0001209191-23-014962 · doc4.xml · nonDerivative · entry 2

Schuck Nicolas G · CIK 0001651056 · Corp VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,899.883

F2 · shares: Shares withheld by the issuer for the payment of withholding taxes on restricted stock that vested on Febraury 28, 2023.

SEC source: 0001209191-23-014962 · doc4.xml · nonDerivative · entry 1

Schuck Nicolas G · CIK 0001651056 · Corp VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,914.883

F1 · shares: The Huntington Ingalls Industries, Inc. Compensation Committee determined that all performance goals had been met for these restricted stock units, and they were issued on February 28, 2023.

SEC source: 0001209191-23-014960 · doc4.xml · nonDerivative · entry 2

Kastner Christopher D · CIK 0001569904 · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 62,549.24

F2 · shares: Shares withheld by the issuer for the payment of withholding taxes on restricted stock that vested on February 28, 2023.

SEC source: 0001209191-23-014960 · doc4.xml · nonDerivative · entry 1

Kastner Christopher D · CIK 0001569904 · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,260.24

F1 · shares: The Huntington Ingalls Industries, Inc. Compensation Committee determined that all performance goals had been met for these restricted stock units, and they were issued on February 28, 2023.

SEC source: 0001209191-23-013682 · doc4.xml · nonDerivative · entry 4

Green Edgar A III · CIK 0001691442 · Ex VP, Pres. HII Mission Tech

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,264.211

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2022.

F4 · price: The price shown is the weighted average price at which shares were acquired in multiple sales transactions made pursuant to a single market order. The range of prices for the transactions was $220.13 to $221.10. Upon request by SEC staff, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price.

SEC source: 0001209191-23-013682 · doc4.xml · nonDerivative · entry 3

Green Edgar A III · CIK 0001691442 · Ex VP, Pres. HII Mission Tech

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,348.211

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2022.

F4 · price: The price shown is the weighted average price at which shares were acquired in multiple sales transactions made pursuant to a single market order. The range of prices for the transactions was $220.13 to $221.10. Upon request by SEC staff, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price.

SEC source: 0001209191-23-013682 · doc4.xml · nonDerivative · entry 2

Green Edgar A III · CIK 0001691442 · Ex VP, Pres. HII Mission Tech

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,668.211

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2022.

F3 · price: The price shown is the weighted average price at which shares were acquired in multiple sales transactions made pursuant to a single market order. The range of prices for the transactions was $218.58 to $219.53. Upon request by SEC staff, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price.

SEC source: 0001209191-23-013682 · doc4.xml · nonDerivative · entry 1

Green Edgar A III · CIK 0001691442 · Ex VP, Pres. HII Mission Tech

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,388.211

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2022.

F2 · price: The price shown is the weighted average price at which shares were acquired in multiple sales transactions made pursuant to a single market order. The range of prices for the transactions was $217.38to $218.13. Upon request by SEC staff, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price.

SEC source: 0001209191-23-011708 · doc4.xml · nonDerivative · entry 1

Wyatt D R · CIK 0001516245 · Corp VP & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,054.078

F1 · price: The price shown is the weighted average price at which shares were acquired in multiple sales transactions made pursuant to a single market order. The range of prices for the transactions was $223.86 to $223.89. Upon request by SEC staff, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price.

SEC source: 0001209191-23-012845 · doc4.xml · nonDerivative · entry 1

KELLY ANASTASI D · CIK 0001200231 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 351

F1 · price: The price shown is the weighted average price at which shares were acquired in multiple sales transactions made pursuant to a single market order. The range of prices for the transactions was $221.14 to $223.25. Upon request by SEC staff, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price.

SEC source: 0001209191-23-002194 · doc4.xml · nonDerivative · entry 1

KELLY ANASTASI D · CIK 0001200231 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,013

F1 · shares: Shares of common stock issued in lieu of cash pursuant to the Huntington Ingalls Industries, Inc. 2022 Long-Term Incentive Stock Plan ("Plan"), in an exempt transaction pursuant to Rule 16b-3. After the Reporting Person has accumulated a combination of restricted stock units and/or shares of common stock equal to at least five times the cash portion of their annual retainer, the Reporting Person may elect annually to receive and directly own common stock, rather than receiving cash payment.

SEC source: 0001209191-23-002156 · doc4.xml · nonDerivative · entry 1

Collins Augustus L · CIK 0001689175 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 6,881.83

F1 · ownership.nature: Represents vested restricted stock units credited to the Reporting Person's account pursuant to Huntington Ingalls Industries, Inc.'s 2012 Long-Term Incentive Stock Plan. Each director stock unit represents a right to receive one share of Issuer common stock (or cash equivalent value), which will generally become payable within 30 days following the date a non-employee director ceases to provide services as a member of the board of directors.

SEC source: 0001209191-23-002177 · doc4.xml · nonDerivative · entry 1

Jimenez Frank R · CIK 0001465175 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 951.579

F1 · shares: Shares of common stock deferred into stock unit account pursuant to Huntington Ingalls Industries, Inc. 2022 Long-Term Incentive Stock Plan, in an exempt transaction pursuant to Rule 16b-3.

F2 · ownership.nature: Represents vested restricted stock units credited to the Reporting Person's account pursuant to Huntington Ingalls Industries, Inc.'s 2012 and 2022 Long-Term Incentive Stock Plans. Each director stock unit represents a right to receive one share of Issuer common stock (or cash equivalent value), which will generally become payable within 30 days following the date a non-employee director ceases to provide services as a member of the board of directors.

SEC source: 0001209191-23-002173 · doc4.xml · nonDerivative · entry 1

Harker Victoria D · CIK 0001350579 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,603

F1 · shares: Shares of common stock issued in lieu of cash pursuant to the Huntington Ingalls Industries, Inc. 2022 Long-Term Incentive Stock Plan ("Plan"), in an exempt transaction pursuant to Rule 16b-3. After the Reporting Person has accumulated a combination of restricted stock units and/or shares of common stock equal to at least five times the cash portion of their annual retainer, the Reporting Person may elect annually to receive and directly own common stock, rather than receiving cash payment.

SEC source: 0001209191-23-002161 · doc4.xml · nonDerivative · entry 1

DENAULT LEO P · CIK 0001281986 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote (2)

Disclosed balance after: 175

F1 · shares: Shares of common stock deferred into stock unit account pursuant to Huntington Ingalls Industries, Inc. 2022 Long-Term Incentive Stock Plan, in an exempt transaction pursuant to Rule 16b-3.

F2 · ownership.nature: Represents stock units credited to the Reporting Person's account pursuant to Huntington Ingalls Industries, Inc. 2022 Long-Term Stock Incentive Plan. Each director stock unit represents a right to receive one share of Issuer common stock (or cash equivalent value).

SEC source: 0001209191-23-002220 · doc4.xml · nonDerivative · entry 1

SCHIEVELBEIN THOMAS C · CIK 0001216515 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 19,410.374

F1 · shares: Shares of common stock deferred into stock unit account pursuant to Huntington Ingalls Industries, Inc. 2022 Long-Term Incentive Stock Plan, in an exempt transaction pursuant to Rule 16b-3.

F2 · ownership.nature: Represents vested restricted stock units credited to the Reporting Person's account pursuant to Huntington Ingalls Industries, Inc.'s 2011, 2012 and 2022 Long-Term Incentive Stock Plans. Each director stock unit represents a right to receive one share of Issuer common stock (or cash equivalent value), which will generally become payable within 30 days following the date a non-employee director ceases to provide services as a member of the board of directors.

SEC source: 0001209191-23-002224 · doc4.xml · nonDerivative · entry 1

WELCH JOHN K · CIK 0001222207 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 5,154.893

F1 · shares: Shares of common stock deferred into stock unit account pursuant to Huntington Ingalls Industries, Inc. 2022 Long-Term Incentive Stock Plan, in an exempt transaction pursuant to Rule 16b-3.

F2 · ownership.nature: Represents vested restricted stock units credited to the Reporting Person's account pursuant to Huntington Ingalls Industries, Inc.'s 2012 and 2022 Long-Term Incentive Stock Plans. Each director stock unit represents a right to receive one share of Issuer common stock (or cash equivalent value), which will generally become payable within 30 days following the date a non-employee director ceases to provide services as a member of the board of directors.

SEC source: 0001209191-23-002227 · doc4.xml · nonDerivative · entry 1

Wilson Stephen R · CIK 0001362352 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 5,033.621

F1 · shares: Shares of common stock deferred into stock unit account pursuant to Huntington Ingalls Industries, Inc. 2022 Long-Term Incentive Stock Plan, in an exempt transaction pursuant to Rule 16b-3.

F2 · ownership.nature: Represents vested restricted stock units credited to the Reporting Person's account pursuant to Huntington Ingalls Industries, Inc.'s 2012 and 2022 Long-Term Incentive Stock Plans. Each director stock unit represents a right to receive one share of Issuer common stock (or cash equivalent value), which will generally become payable within 30 days following the date a non-employee director ceases to provide services as a member of the board of directors.

SEC source: 0001209191-23-002217 · doc4.xml · nonDerivative · entry 1

O'Sullivan Stephanie L. · CIK 0001842003 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,647.502

F1 · shares: Shares of common stock deferred into stock unit account pursuant to Huntington Ingalls Industries, Inc. 2022 Long-Term Incentive Stock Plan, in an exempt transaction pursuant to Rule 16b-3.

F2 · ownership.nature: Represents vested restricted stock units credited to the Reporting Person's account pursuant to Huntington Ingalls Industries, Inc.'s 2012 and 2022 Long-Term Incentive Stock Plans. Each director stock unit represents a right to receive one share of Issuer common stock (or cash equivalent value), which will generally become payable within 30 days following the date a non-employee director ceases to provide services as a member of the board of directors.

SEC source: 0001209191-23-002206 · doc4.xml · nonDerivative · entry 1

McKibben Tracy B · CIK 0001584119 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 3,107.037

F1 · shares: Shares of common stock deferred into stock unit account pursuant to Huntington Ingalls Industries, Inc. 2022 Long-Term Incentive Stock Plan, in an exempt transaction pursuant to Rule 16b-3.

F2 · ownership.nature: Represents vested restricted stock units credited to the Reporting Person's account pursuant to Huntington Ingalls Industries, Inc.'s 2012 and 2022 Long-Term Incentive Stock Plans. Each director stock unit represents a right to receive one share of Issuer common stock (or cash equivalent value), which will generally become payable within 30 days following the date a non-employee director ceases to provide services as a member of the board of directors.

SEC source: 0001209191-23-002164 · doc4.xml · nonDerivative · entry 1

DONALD KIRKLAND H · CIK 0001579933 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 4,254.258

F1 · shares: Shares of common stock deferred into stock unit account pursuant to Huntington Ingalls Industries, Inc. 2022 Long-Term Incentive Stock Plan, in an exempt transaction pursuant to Rule 16b-3.

F2 · ownership.nature: Represents vested restricted stock units credited to the Reporting Person's account pursuant to Huntington Ingalls Industries, Inc.'s 2012 and 2022 Long-Term Incentive Stock Plans. Each director stock unit represents a right to receive one share of Issuer common stock (or cash equivalent value), which will generally become payable within 30 days following the date a non-employee director ceases to provide services as a member of the board of directors.

SEC source: 0001209191-23-001198 · doc4.xml · nonDerivative · entry 1

Collins Augustus L · CIK 0001689175 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 6,706.83

F1 · shares: Shares of common stock deferred into stock unit account pursuant to Huntington Ingalls Industries, Inc. 2022 Long-Term Incentive Stock Plan, in an exempt transaction pursuant to Rule 16b-3.

F2 · ownership.nature: Represents vested restricted stock units credited to the Reporting Person's account pursuant to Huntington Ingalls Industries, Inc.'s 2011, 2012 and 2022 Long-Term Incentive Stock Plans. Each director stock unit represents a right to receive one share of Issuer common stock (or cash equivalent value), which will generally become payable within 30 days following the date a non-employee director ceases to provide services as a member of the board of directors.

SEC source: 0001209191-22-061022 · doc4.xml · nonDerivative · entry 1

Borkey Todd A. · CIK 0001948701 · Ex VP & Chief Technology Offic

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,027.322

F1 · kind: Huntington Ingalls Industries, Inc. paid a cash dividend of $1.24 per share of common stock on December 9, 2022. Pursuant to the terms of the Huntington Ingalls Industries, Inc. 2012 and 2022 Long-Term Incentive Stock Plan, shares of common stock representing the dividend were deferred into a stock unit account in a transaction exempt by Rule 16b-3.

SEC source: 0001209191-22-061028 · doc4.xml · nonDerivative · entry 1

Holmes Stewart H. · CIK 0001886377 · Ex. VP, Govt & Cust Relations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,745.546

F1 · kind: Huntington Ingalls Industries, Inc. paid a cash dividend of $1.24 per share of common stock on December 9, 2022. Pursuant to the terms of the Huntington Ingalls Industries, Inc. 2012 and 2022 Long-Term Incentive Stock Plan, shares of common stock representing the dividend were deferred into a stock unit account in a transaction exempt by Rule 16b-3.

SEC source: 0001209191-22-060952 · doc4.xml · nonDerivative · entry 1

Collins Augustus L · CIK 0001689175 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 6,571.83

F1 · kind: Huntington Ingalls Industries, Inc. paid a cash dividend of $1.24 per share of common stock on December 9, 2022. Pursuant to the terms of the Huntington Ingalls Industries, Inc. 2012 and 2022 Long-Term Incentive Stock Plan, shares of common stock representing the dividend were deferred into a stock unit account in a transaction exempt by Rule 16b-3.

F2 · ownership.direct: Represents vested restricted stock units credited to the Reporting Person's account pursuant to Huntington Ingalls Industries, Inc.'s 2012 and 2022 Long-Term Incentive Stock Plans. Each director stock unit represents a right to receive one share of Issuer common stock (or cash equivalent value), which will generally become payable within 30 days following the date a non-employee director ceases to provide services as a member of the board of directors.