HII

SEC source: 0001209191-18-015137 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,962

F1 · kind: 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 27, 2018.

SEC source: 0001209191-18-015131 · doc4.xml · nonDerivative · entry 1

Kastner Christopher D · CIK 0001569904 · Ex. VP, Bus Dev & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,762

F1 · kind: 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 27, 2018.

SEC source: 0001209191-18-015113 · doc4.xml · nonDerivative · entry 2

ERMATINGER WILLIAM R · CIK 0001515127 · Ex. VP, Chief HR Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,101

F2 · kind: 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 27, 2018.

SEC source: 0001209191-18-015107 · doc4.xml · nonDerivative · entry 1

Dickseski Jerri F · CIK 0001516246 · EX. VP, Communications

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,723

F1 · kind: 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 27, 2018.

SEC source: 0001209191-18-015098 · doc4.xml · nonDerivative · entry 1

Cuccias Brian J. · CIK 0001594313 · Ex. VP & President, Ingalls

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,117

F1 · kind: 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 27, 2018.

SEC source: 0001209191-18-013983 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,809

SEC source: 0001209191-18-014502 · doc4.xml · nonDerivative · entry 2

Bilden Philip M. · CIK 0001722650 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By P. Bilden Associates LLC

Disclosed balance after: 8,000

F2 · price: The price shown is the weighted average price at which shares were sold in multiple sales transactions made pursuant to a single market order. The range of prices for the transactions was $264.62 to $267.26. 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: 0001209191-18-014502 · doc4.xml · nonDerivative · entry 1

Bilden Philip M. · CIK 0001722650 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By P. Bilden Associates LLC

Disclosed balance after: 6,400

F1 · price: The price shown is the weighted average price at which shares were sold in multiple sales transactions made pursuant to a single market order. The range of prices for the transactions was $266.24 to $266.41. 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: 0001209191-18-013051 · doc4.xml · nonDerivative · entry 3

Bilden Philip M. · CIK 0001722650 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By P. Bilden Associates

Disclosed balance after: 6,200

F2 · ownership.nature: These shares are held by P. Bilden Associates, LLC.

SEC source: 0001209191-18-013051 · doc4.xml · nonDerivative · entry 2

Bilden Philip M. · CIK 0001722650 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By P. Bilden Associates

Disclosed balance after: 5,200

F2 · ownership.nature: These shares are held by P. Bilden Associates, LLC.

SEC source: 0001209191-18-013051 · doc4.xml · nonDerivative · entry 1

Bilden Philip M. · CIK 0001722650 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By P. Bilden Associates

Disclosed balance after: 4,200

F1 · price: The price shown is the weighted average price at which shares were purchased in multiple sales transactions made pursuant to a single market order. The range of prices for the transactions was $266.59 to $266.76. 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.

F2 · ownership.nature: These shares are held by P. Bilden Associates, LLC.

SEC source: 0001209191-18-015113 · doc4.xml · nonDerivative · entry 1

ERMATINGER WILLIAM R · CIK 0001515127 · Ex. VP, Chief HR Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,915

F1 · kind: This transaction represents a gift to a 501(c)(3) charitible foundation by the reporting person.

SEC source: 0001209191-18-001683 · doc4.xml · nonDerivative · entry 1

Bilden Philip M. · CIK 0001722650 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 142

F1 · kind: Shares of common stock issued pursuant to the Huntington Ingalls Industries, Inc. 2012 Long-Term Incentive Stock Plan ("Plan"), in an exempt transaction pursuant to Rule 16b-3. After the Reporting Person has received restricted stock units 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 a credit for restricted stock units.

SEC source: 0001209191-18-001687 · doc4.xml · nonDerivative · entry 1

Collins Augustus L · CIK 0001689175 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 638.773

F1 · kind: Shares of common stock deferred into stock unit account pursuant to Huntington Ingalls Industries, Inc. 2012 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 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: 0001209191-18-001693 · doc4.xml · nonDerivative · entry 1

Harker Victoria D · CIK 0001350579 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 635

F1 · kind: Shares of common stock issued pursuant to the Huntington Ingalls Industries, Inc. 2012 Long-Term Incentive Stock Plan ("Plan"), in an exempt transaction pursuant to Rule 16b-3. After the Reporting Person has received restricted stock units 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 a credit for restricted stock units.

SEC source: 0001209191-18-001705 · doc4.xml · nonDerivative · entry 1

WELCH JOHN K · CIK 0001222207 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,142

F1 · kind: Shares of common stock issued pursuant to the Huntington Ingalls Industries, Inc. 2012 Long-Term Incentive Stock Plan ("Plan"), in an exempt transaction pursuant to Rule 16b-3. After the Reporting Person has received restricted stock units 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 a credit for restricted stock units.

SEC source: 0001209191-18-001701 · doc4.xml · nonDerivative · entry 1

SCHIEVELBEIN THOMAS C · CIK 0001216515 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 15,686.471

F1 · kind: Shares of common stock deferred into stock unit account pursuant to Huntington Ingalls Industries, Inc. 2012 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 and 2012 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: 0001209191-18-001695 · doc4.xml · nonDerivative · entry 1

KELLY ANASTASI D · CIK 0001200231 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 635

F1 · kind: Shares of common stock issued pursuant to the Huntington Ingalls Industries, Inc. 2012 Long-Term Incentive Stock Plan ("Plan"), in an exempt transaction pursuant to Rule 16b-3. After the Reporting Person has received restricted stock units 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 a credit for restricted stock units.

SEC source: 0001209191-18-001691 · doc4.xml · nonDerivative · entry 1

FARGO THOMAS B · CIK 0001317283 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 945

F1 · kind: Shares of common stock issued pursuant to the Huntington Ingalls Industries, Inc. 2012 Long-Term Incentive Stock Plan ("Plan"), in an exempt transaction pursuant to Rule 16b-3. After the Reporting Person has received restricted stock units 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 a credit for restricted stock units.

SEC source: 0001209191-18-001707 · doc4.xml · nonDerivative · entry 1

Wilson Stephen R · CIK 0001362352 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 1,344.915

F1 · kind: Shares of common stock deferred into stock unit account pursuant to Huntington Ingalls Industries, Inc. 2012 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 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: 0001209191-18-001689 · doc4.xml · nonDerivative · entry 1

DONALD KIRKLAND H · CIK 0001579933 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 638.773

F1 · kind: Shares of common stock deferred into stock unit account pursuant to Huntington Ingalls Industries, Inc. 2012 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 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: 0001209191-17-065127 · doc4.xml · nonDerivative · entry 1

Collins Augustus L · CIK 0001689175 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 496.773

F1 · shares: Huntington Ingalls Industries, Inc. paid a cash dividend of $0.72 per share of common stock on December 8, 2017. Pursuant to the terms of the Huntington Ingalls Industries, Inc. 2012 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.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: 0001209191-17-065140 · doc4.xml · nonDerivative · entry 1

Harker Victoria D · CIK 0001350579 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 5,230.2675

F1 · shares: Huntington Ingalls Industries, Inc. paid a cash dividend of $0.72 per share of common stock on December 8, 2017. Pursuant to the terms of the Huntington Ingalls Industries, Inc. 2012 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.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: 0001209191-17-065150 · doc4.xml · nonDerivative · entry 1

WELCH JOHN K · CIK 0001222207 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,855.476

F1 · shares: Huntington Ingalls Industries, Inc. paid a cash dividend of $0.72 per share of common stock on December 8, 2017. Pursuant to the terms of the Huntington Ingalls Industries, Inc. 2012 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.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: 0001209191-17-065146 · doc4.xml · nonDerivative · entry 1

SCHIEVELBEIN THOMAS C · CIK 0001216515 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 15,544.471

F1 · shares: Huntington Ingalls Industries, Inc. paid a cash dividend of $0.72 per share of common stock on December 8, 2017. Pursuant to the terms of the Huntington Ingalls Industries, Inc. 2012 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.nature: Represents vested restricted stock units credited to the Reporting Person's account pursuant to Huntington Ingalls Industries, Inc.'s 2011 and 2012 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: 0001209191-17-065143 · doc4.xml · nonDerivative · entry 1

KELLY ANASTASI D · CIK 0001200231 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 15,047.698

F1 · shares: Huntington Ingalls Industries, Inc. paid a cash dividend of $0.72 per share of common stock on December 8, 2017. Pursuant to the terms of the Huntington Ingalls Industries, Inc. 2012 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.nature: Represents vested restricted stock units credited to the Reporting Person's account pursuant to Huntington Ingalls Industries, Inc.'s 2011 and 2012 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: 0001209191-17-065132 · doc4.xml · nonDerivative · entry 1

FARGO THOMAS B · CIK 0001317283 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 16,010.815

F1 · shares: Huntington Ingalls Industries, Inc. paid a cash dividend of $0.72 per share of common stock on December 8, 2017. Pursuant to the terms of the Huntington Ingalls Industries, Inc. 2012 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.nature: Represents vested restricted stock units credited to the Reporting Person's account pursuant to Huntington Ingalls Industries, Inc.'s 2011 and 2012 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: 0001209191-17-065153 · doc4.xml · nonDerivative · entry 1

Wilson Stephen R · CIK 0001362352 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 1,202.915

F1 · shares: Huntington Ingalls Industries, Inc. paid a cash dividend of $0.72 per share of common stock on December 8, 2017. Pursuant to the terms of the Huntington Ingalls Industries, Inc. 2012 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.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: 0001209191-17-065129 · doc4.xml · nonDerivative · entry 1

DONALD KIRKLAND H · CIK 0001579933 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 496.773

F1 · shares: Huntington Ingalls Industries, Inc. paid a cash dividend of $0.72 per share of common stock on December 8, 2017. Pursuant to the terms of the Huntington Ingalls Industries, Inc. 2012 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.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: 0001209191-17-065392 · doc4.xml · nonDerivative · entry 2

PETTERS C MICHAEL · CIK 0001307506 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 491,988

F2 · kind: This transaction represents gifts by the Reporting Person to certain family members.

SEC source: 0001209191-17-065392 · doc4.xml · nonDerivative · entry 1

PETTERS C MICHAEL · CIK 0001307506 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 494,088

F1 · kind: This transaction represents a gift to a 501(c)(3) charitible foundation by the Reporting Person.

SEC source: 0001209191-17-062649 · doc4.xml · nonDerivative · entry 1

Bilden Philip M. · CIK 0001722650 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By P. Bilden Associates, LLC

Disclosed balance after: 2,200

F1 · price: The price shown is the weighted average price at which shares were acquired in multiple purchase transactions made pursuant to a single market order. The range of prices for the transactions was $233.57 to $234.65. 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 acquired at each separate price.

F2 · ownership.nature: These shares are held by P. Bilden Associates, LLC, of which the Reporting Person is the sole managing member.

SEC source: 0001209191-17-060529 · doc4.xml · nonDerivative · entry 1

Wyatt D R · CIK 0001516245 · Corp VP & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,065

SEC source: 0001209191-17-055610 · doc4.xml · nonDerivative · entry 1

Collins Augustus L · CIK 0001689175 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 495.268

F1 · kind: Shares of common stock deferred into stock unit account pursuant to Huntington Ingalls Industries, Inc. 2012 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 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: 0001209191-17-055621 · doc4.xml · nonDerivative · entry 1

Harker Victoria D · CIK 0001350579 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 493

F1 · kind: Shares of common stock issued pursuant to the Huntington Ingalls Industries, Inc. 2012 Long-Term Incentive Stock Plan ("Plan"), in an exempt transaction pursuant to Rule 16b-3. In accordance with the Plan, after the Reporting Person has received restricted stock units 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 a credit for restricted stock units.

SEC source: 0001209191-17-055648 · doc4.xml · nonDerivative · entry 1

WELCH JOHN K · CIK 0001222207 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,849.856

F1 · kind: Shares of common stock deferred into stock unit account pursuant to Huntington Ingalls Industries, Inc. 2012 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 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: 0001209191-17-055638 · doc4.xml · nonDerivative · entry 1

SCHIEVELBEIN THOMAS C · CIK 0001216515 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 15,497.39

F1 · kind: Shares of common stock deferred into stock unit account pursuant to Huntington Ingalls Industries, Inc. 2012 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 and 2012 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: 0001209191-17-055633 · doc4.xml · nonDerivative · entry 1

KELLY ANASTASI D · CIK 0001200231 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 493

F1 · kind: Shares of common stock issued pursuant to the Huntington Ingalls Industries, Inc. 2012 Long-Term Incentive Stock Plan ("Plan"), in an exempt transaction pursuant to Rule 16b-3. In accordance with the Plan, after the Reporting Person has received restricted stock units 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 a credit for restricted stock units.

SEC source: 0001209191-17-055607 · doc4.xml · nonDerivative · entry 1

FARGO THOMAS B · CIK 0001317283 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 803

F1 · kind: Shares of common stock issued pursuant to the Huntington Ingalls Industries, Inc. 2012 Long-Term Incentive Stock Plan ("Plan"), in an exempt transaction pursuant to Rule 16b-3. In accordance with the Plan, after the Reporting Person has received restricted stock units 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 a credit for restricted stock units.

SEC source: 0001209191-17-055652 · doc4.xml · nonDerivative · entry 1

Wilson Stephen R · CIK 0001362352 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 1,199.272

F1 · kind: Shares of common stock deferred into stock unit account pursuant to Huntington Ingalls Industries, Inc. 2012 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 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: 0001209191-17-055614 · doc4.xml · nonDerivative · entry 1

DONALD KIRKLAND H · CIK 0001579933 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 495.268

F1 · kind: Shares of common stock deferred into stock unit account pursuant to Huntington Ingalls Industries, Inc. 2012 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 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: 0001209191-17-052388 · doc4.xml · nonDerivative · entry 1

Collins Augustus L · CIK 0001689175 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 387.268

F1 · shares: Huntington Ingalls Industries, Inc. paid a cash dividend of $0.60 per share of common stock on September 8, 2017. Pursuant to the terms of the Huntington Ingalls Industries, Inc. 2012 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.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: 0001209191-17-052404 · doc4.xml · nonDerivative · entry 1

Harker Victoria D · CIK 0001350579 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 5,214.424

F1 · shares: Huntington Ingalls Industries, Inc. paid a cash dividend of $0.60 per share of common stock on September 8, 2017. Pursuant to the terms of the Huntington Ingalls Industries, Inc. 2012 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.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: 0001209191-17-052410 · doc4.xml · nonDerivative · entry 1

SCHIEVELBEIN THOMAS C · CIK 0001216515 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 15,389.39

F1 · shares: Huntington Ingalls Industries, Inc. paid a cash dividend of $0.60 per share of common stock on September 8, 2017. Pursuant to the terms of the Huntington Ingalls Industries, Inc. 2011 and 2012 Long-Term Incentive Stock Plans, shares of common stock representing the dividend were deferred into a stock unit account in a transaction exempt by 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 and 2012 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: 0001209191-17-052415 · doc4.xml · nonDerivative · entry 1

WELCH JOHN K · CIK 0001222207 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,741.856

F1 · shares: Huntington Ingalls Industries, Inc. paid a cash dividend of $0.60 per share of common stock on September 8, 2017. Pursuant to the terms of the Huntington Ingalls Industries, Inc. 2012 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.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: 0001209191-17-052408 · doc4.xml · nonDerivative · entry 1

KELLY ANASTASI D · CIK 0001200231 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 15,002.122

F1 · shares: Huntington Ingalls Industries, Inc. paid a cash dividend of $0.60 per share of common stock on September 8, 2017. Pursuant to the terms of the Huntington Ingalls Industries, Inc. 2011 and 2012 Long-Term Incentive Stock Plans, shares of common stock representing the dividend were deferred into a stock unit account in a transaction exempt by 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 and 2012 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: 0001209191-17-052400 · doc4.xml · nonDerivative · entry 1

FARGO THOMAS B · CIK 0001317283 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 15,962.322

F1 · shares: Huntington Ingalls Industries, Inc. paid a cash dividend of $0.60 per share of common stock on September 8, 2017. Pursuant to the terms of the Huntington Ingalls Industries, Inc. 2011 and 2012 Long-Term Incentive Stock Plans, shares of common stock representing the dividend were deferred into a stock unit account in a transaction exempt by 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 and 2012 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: 0001209191-17-052420 · doc4.xml · nonDerivative · entry 1

Wilson Stephen R · CIK 0001362352 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 1,091.272

F1 · shares: Huntington Ingalls Industries, Inc. paid a cash dividend of $0.60 per share of common stock on September 8, 2017. Pursuant to the terms of the Huntington Ingalls Industries, Inc. 2012 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.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: 0001209191-17-052394 · doc4.xml · nonDerivative · entry 1

DONALD KIRKLAND H · CIK 0001579933 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 387.268

F1 · shares: Huntington Ingalls Industries, Inc. paid a cash dividend of $0.60 per share of common stock on September 8, 2017. Pursuant to the terms of the Huntington Ingalls Industries, Inc. 2012 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.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: 0001209191-17-050369 · doc4.xml · nonDerivative · entry 1

Smith Michael Stephen · CIK 0001668870 · Ex. VP, Strategy & Dev.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,033.985

F1 · kind: Shares withheld by the issuer for the payment of withholding taxes on restricted stock that vested on August 25, 2017.