AWK

SEC source: 0001410636-21-000030 · wf-form4_161162814075949.xml · nonDerivative · entry 2

Lynch Walter · CIK 0001430106 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 126,469

SEC source: 0001410636-21-000030 · wf-form4_161162814075949.xml · nonDerivative · entry 1

Lynch Walter · CIK 0001430106 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 131,913

F1 · shares: Represents shares vested pursuant to awards of performance stock units (PSUs) granted in February 2018 under the American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan. These awards vested on January 22, 2021. PSUs are settled solely by the delivery of one share of common stock per PSU (and may not be settled in cash).

SEC source: 0001410636-21-000038 · wf-form4_161162990830722.xml · nonDerivative · entry 2

Varley William M · CIK 0001587516 · Chief Growth Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 901

SEC source: 0001410636-21-000038 · wf-form4_161162990830722.xml · nonDerivative · entry 1

Varley William M · CIK 0001587516 · Chief Growth Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,370

F1 · shares: Represents shares vested pursuant to awards of performance stock units (PSUs) granted in February 2018 under the American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan. These awards vested on January 22, 2021. PSUs are settled solely by the delivery of one share of common stock per PSU (and may not be settled in cash).

SEC source: 0001410636-21-000036 · wf-form4_161162974540961.xml · nonDerivative · entry 2

Sgro Michael A · CIK 0001628956 · EVP,General Counsel, Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,707

SEC source: 0001410636-21-000036 · wf-form4_161162974540961.xml · nonDerivative · entry 1

Sgro Michael A · CIK 0001628956 · EVP,General Counsel, Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,199

F1 · shares: Represents shares vested pursuant to awards of performance stock units (PSUs) granted in February 2018 under the American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan. These awards vested on January 22, 2021. PSUs are settled solely by the delivery of one share of common stock per PSU (and may not be settled in cash).

SEC source: 0001410636-21-000032 · wf-form4_161162883039297.xml · nonDerivative · entry 2

Merante James S · CIK 0001767992 · Vice President and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,612

SEC source: 0001410636-21-000032 · wf-form4_161162883039297.xml · nonDerivative · entry 1

Merante James S · CIK 0001767992 · Vice President and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,988

F1 · shares: Represents shares vested pursuant to awards of performance stock units (PSUs) granted in February 2018 under the American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan. These awards vested on January 22, 2021. PSUs are settled solely by the delivery of one share of common stock per PSU (and may not be settled in cash).

SEC source: 0001410636-21-000026 · wf-form4_161162706856262.xml · nonDerivative · entry 2

Kennedy Melanie M · CIK 0001699352 · SVP, Chief Human Res. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,745

SEC source: 0001410636-21-000026 · wf-form4_161162706856262.xml · nonDerivative · entry 1

Kennedy Melanie M · CIK 0001699352 · SVP, Chief Human Res. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,089

F1 · shares: Represents shares vested pursuant to awards of performance stock units (PSUs) granted in February 2018 under the American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan. These awards vested on January 22, 2021. PSUs are settled solely by the delivery of one share of common stock per PSU (and may not be settled in cash).

SEC source: 0001410636-21-000022 · wf-form4_161162381259336.xml · nonDerivative · entry 2

Duffy Maureen · CIK 0001531235 · SVP, Commuications&ExtAffairs

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,536

SEC source: 0001410636-21-000022 · wf-form4_161162381259336.xml · nonDerivative · entry 1

Duffy Maureen · CIK 0001531235 · SVP, Commuications&ExtAffairs

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,266

F1 · shares: Represents shares vested pursuant to awards of performance stock units (PSUs) granted in February 2018 under the American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan. These awards vested on January 22, 2021. PSUs are settled solely by the delivery of one share of common stock per PSU (and may not be settled in cash).

SEC source: 0001410636-21-000041 · wf-form4_161167220971264.xml · nonDerivative · entry 2

Wikle Melissa K. · CIK 0001680773 · Vice President and Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,176

SEC source: 0001410636-21-000041 · wf-form4_161167220971264.xml · nonDerivative · entry 1

Wikle Melissa K. · CIK 0001680773 · Vice President and Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,056

F1 · shares: Represents shares vested pursuant to awards of performance stock units (PSUs) granted in February 2018 under the American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan. These awards vested on January 22, 2021. PSUs are settled solely by the delivery of one share of common stock per PSU (and may not be settled in cash).

SEC source: 0001410636-21-000010 · wf-form4_160988788740819.xml · nonDerivative · entry 1

Lynch Walter · CIK 0001430106 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 118,544

SEC source: 0001410636-21-000020 · wf-form4_160989443372610.xml · nonDerivative · entry 1

Wikle Melissa K. · CIK 0001680773 · Vice President and Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,711

SEC source: 0001410636-21-000018 · wf-form4_160989280589998.xml · nonDerivative · entry 1

Warnock Loyd A · CIK 0001296668 · SVP,Chief Advisor-Reg.&ExtAffs

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,241

SEC source: 0001410636-21-000012 · wf-form4_160988891385576.xml · nonDerivative · entry 1

Merante James S · CIK 0001767992 · Vice President and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,072

SEC source: 0001410636-21-000016 · wf-form4_160989165582653.xml · nonDerivative · entry 1

Sgro Michael A · CIK 0001628956 · EVP,General Counsel, Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,548

F1 · balance_after: Includes 149 shares acquired pursuant to the automatic reinvestment in shares of common stock of American Water Works Company, Inc. (the "Company") of cash dividends paid on Company common stock to the reporting person, received since the reporting person's last Form 4 report.

SEC source: 0001410636-21-000002 · wf-form4_160988419477134.xml · nonDerivative · entry 1

Duffy Maureen · CIK 0001531235 · SVP, Commuications&ExtAffairs

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,044

F1 · balance_after: Includes (i) 119 shares acquired pursuant to the automatic reinvestment in shares of common stock of American Water Works Company, Inc. (the "Company") of cash dividends paid on Company common stock since the reporting person's last Form 4, and (ii) 46 shares previously acquired pursuant to the automatic reinvestment in shares of Company common stock of cash dividends paid on Company common stock through June 2020, which shares were inadvertently omitted from the reporting person's prior Section 16 reports. This filing is deemed to appropriately correct the reporting person's prior reports to include the shares referenced in clause (ii) above.

SEC source: 0001410636-21-000006 · wf-form4_160988553299291.xml · nonDerivative · entry 1

Kennedy Melanie M · CIK 0001699352 · SVP, Chief Human Res. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,450

F1 · balance_after: Includes 90 shares acquired pursuant to the automatic reinvestment in shares of common stock of American Water Works Company, Inc. (the "Company") of cash dividends paid on Company common stock to the reporting person, received since the reporting person's last Form 4 report.

SEC source: 0001410636-21-000014 · wf-form4_160989004999626.xml · nonDerivative · entry 1

Norton Cheryl · CIK 0001805481 · SVP, Chief Envrn. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,442

F1 · balance_after: Includes 62 shares acquired pursuant to the automatic reinvestment in shares of common stock of American Water Works Company, Inc. (the "Company") of cash dividends paid on Company common stock to the reporting person, received since the reporting person's last Form 4 report.

SEC source: 0001410636-21-000008 · wf-form4_160988650812409.xml · nonDerivative · entry 1

Kirwan Kevin B · CIK 0001805478 · SVP, Chief Op Excel&Safety Off

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,788

F1 · balance_after: Includes (i) 102.03114 shares acquired pursuant to the automatic reinvestment in shares of common stock of American Water Works Company, Inc. (the "Company") of cash dividends paid on Company common stock to the reporting person, and (ii) 58.1268 shares purchased and credited under the Company's 2017 Nonqualified Employee Stock Purchase Plan, each since the reporting person's last Form 4 report.

SEC source: 0001410636-21-000004 · wf-form4_160988493910278.xml · nonDerivative · entry 1

Hauk Bruce A · CIK 0001805479 · Pres, Reg. Ops & Military Serv

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,934

F1 · balance_after: Includes (i) 54.20811 shares acquired pursuant to the automatic reinvestment in shares of common stock of American Water Works Company, Inc. (the "Company") of cash dividends paid on Company common stock to the reporting person, and (ii) 55.3709 shares purchased and credited under the Company's 2017 Nonqualified Employee Stock Purchase Plan, each since the reporting person's last Form 4 report.

SEC source: 0001410636-20-000130 · wf-form4_159917518760715.xml · nonDerivative · entry 1

Norton Cheryl · CIK 0001805481 · SVP, Chief Envrn. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,442

F1 · balance_after: Includes (i) 68 shares acquired pursuant to the automatic reinvestment in shares of common stock of American Water Works Company, Inc. (the "Company") of cash dividends paid on Company common stock to the reporting person, and (ii) 61 shares purchased under the Company's Nonqualified Employee Stock Purchase Plan.

SEC source: 0001410636-20-000128 · wf-form4_159905529550941.xml · nonDerivative · entry 1

Noble Adam W. · CIK 0001778773 · Chief Tech. & Innov. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,061

SEC source: 0001410636-20-000122 · wf-form4_159709662397790.xml · derivative · entry 3

Lynch Walter · CIK 0001430106 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 8,454 shares

Expires 2021-12-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: The option award granted on February 17, 2015 and representing a right to purchase 25,362 shares, vested in three equal installments on January 1, 2016, 2017 and 2018.

F3 · balance_after: Prior exercises of an aggregate of 16,908 shares underlying this option were previously reported.

SEC source: 0001410636-20-000122 · wf-form4_159709662397790.xml · nonDerivative · entry 2

Lynch Walter · CIK 0001430106 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 118,884

F1 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $148.48 to $149.10, inclusive. The reporting person undertakes to provide to American Water Works Company, Inc., any security holder thereof, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth above.

SEC source: 0001410636-20-000122 · wf-form4_159709662397790.xml · nonDerivative · entry 1

Lynch Walter · CIK 0001430106 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 127,338

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001410636-20-000124 · wf-form4_159709695347938.xml · derivative · entry 3

Duffy Maureen · CIK 0001531235 · SVP, Commuications&ExtAffairs

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,659 shares

Expires 2020-12-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: The option award granted on February 20, 2014, representing a right to purchase 4,659 shares, vested in three equal installments on January 1, 2015, 2016 and 2017.

SEC source: 0001410636-20-000124 · wf-form4_159709695347938.xml · nonDerivative · entry 2

Duffy Maureen · CIK 0001531235 · SVP, Commuications&ExtAffairs

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,947

SEC source: 0001410636-20-000124 · wf-form4_159709695347938.xml · nonDerivative · entry 1

Duffy Maureen · CIK 0001531235 · SVP, Commuications&ExtAffairs

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,606

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001410636-20-000095 · wf-form4_158957383631686.xml · nonDerivative · entry 1

MACKENZIE GEORGE · CIK 0001085657 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,497

F1 · shares: The shares indicated constitute units that settle solely in the common stock of American Water Works Company, Inc. (the "Company") on a one-share-per-unit basis. The stock units vested on the date of grant and will be converted into common stock generally within 30 days following the earlier of August 13, 2021 (subject to the right of the reporting person to defer payment in accordance with the terms of the grant), a separation from service or a change of control of the Company.

SEC source: 0001410636-20-000103 · wf-form4_158957875903094.xml · nonDerivative · entry 1

Kurz Karl F · CIK 0001292794 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,708

F1 · shares: The shares indicated constitute units that settle solely in the common stock of American Water Works Company, Inc. (the "Company") on a one-share-per-unit basis. The stock units vested on the date of grant and will be converted into common stock generally within 30 days following the earlier of August 13, 2021 (subject to the right of the reporting person to defer payment in accordance with the terms of the grant), a separation from service or a change of control of the Company.

SEC source: 0001410636-20-000101 · wf-form4_158957480167825.xml · nonDerivative · entry 2

Yates Lloyd M · CIK 0001311411 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,100

SEC source: 0001410636-20-000101 · wf-form4_158957480167825.xml · nonDerivative · entry 1

Yates Lloyd M · CIK 0001311411 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,100

F1 · shares: The shares indicated constitute units that settle solely in the common stock of American Water Works Company, Inc. (the "Company") on a one-share-per-unit basis. The stock units vested on the date of grant and will be converted into common stock generally within 30 days following the earlier of August 13, 2021 (subject to the right of the reporting person to defer payment in accordance with the terms of the grant), a separation from service or a change of control of the Company.

SEC source: 0001410636-20-000099 · wf-form4_158957406414240.xml · nonDerivative · entry 1

STAVRIDIS JAMES G. · CIK 0001661859 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,162

F1 · shares: The shares indicated constitute units that settle solely in the common stock of American Water Works Company, Inc. (the "Company") on a one-share-per-unit basis. The stock units vested on the date of grant and will be converted into common stock generally within 30 days following the earlier of August 13, 2021 (subject to the right of the reporting person to defer payment in accordance with the terms of the grant), a separation from service or a change of control of the Company.

SEC source: 0001410636-20-000097 · wf-form4_158957394294287.xml · nonDerivative · entry 1

JOHNSON JULIA L · CIK 0001221442 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,124

F1 · shares: The shares indicated constitute units that settle solely in the common stock of American Water Works Company, Inc. (the "Company") on a one-share-per-unit basis. The stock units vested on the date of grant and will be converted into common stock generally within 30 days following the earlier of August 13, 2021 (subject to the right of the reporting person to defer payment in accordance with the terms of the grant), a separation from service or a change of control of the Company.

SEC source: 0001410636-20-000091 · wf-form4_158957262998017.xml · nonDerivative · entry 1

KAMPLING PATRICIA L · CIK 0001337315 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,100

F1 · shares: The shares indicated constitute units that settle solely in the common stock of American Water Works Company, Inc. (the "Company") on a one-share-per-unit basis. The stock units vested on the date of grant and will be converted into common stock generally within 30 days following the earlier of August 13, 2021 (subject to the right of the reporting person to defer payment in accordance with the terms of the grant), a separation from service or a change of control of the Company.

SEC source: 0001410636-20-000089 · wf-form4_158957253022478.xml · nonDerivative · entry 1

HARRIS KIMBERLY J · CIK 0001183908 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,100

F1 · shares: The shares indicated constitute units that settle solely in the common stock of American Water Works Company, Inc. (the "Company") on a one-share-per-unit basis. The stock units vested on the date of grant and will be converted into common stock generally within 30 days following the earlier of August 13, 2021 (subject to the right of the reporting person to defer payment in accordance with the terms of the grant), a separation from service or a change of control of the Company.

SEC source: 0001410636-20-000087 · wf-form4_158957241180859.xml · nonDerivative · entry 1

HAGEN VERONICA M · CIK 0001281028 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,002

F1 · shares: The shares indicated constitute units that settle solely in the common stock of American Water Works Company, Inc. (the "Company") on a one-share-per-unit basis. The stock units vested on the date of grant and will be converted into common stock generally within 30 days following the earlier of August 13, 2021 (subject to the right of the reporting person to defer payment in accordance with the terms of the grant), a separation from service or a change of control of the Company.

SEC source: 0001410636-20-000085 · wf-form4_158957137450626.xml · nonDerivative · entry 1

GOSS MARTHA CLARK · CIK 0001221433 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,331

F1 · shares: The shares indicated constitute units that settle solely in the common stock of American Water Works Company, Inc. (the "Company") on a one-share-per-unit basis. The stock units vested on the date of grant and will be converted into common stock generally within 30 days following the earlier of August 13, 2021 (subject to the right of the reporting person to defer payment in accordance with the terms of the grant), a separation from service or a change of control of the Company.

F2 · balance_after: Includes 424 shares acquired pursuant to the automatic reinvestment in shares of Company common stock of cash dividends paid on Company common stock to the reporting person, received since the reporting person's last Form 4 report.

SEC source: 0001410636-20-000083 · wf-form4_158957124221671.xml · nonDerivative · entry 1

Edwards Jeffrey N · CIK 0001293146 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,180

F1 · shares: The shares indicated constitute units that settle solely in the common stock of American Water Works Company, Inc. (the "Company") on a one-share-per-unit basis. The stock units vested on the date of grant and will be converted into common stock generally within 30 days following the earlier of August 13, 2021 (subject to the right of the reporting person to defer payment in accordance with the terms of the grant), a separation from service or a change of control of the Company.

F2 · balance_after: Includes 15 shares acquired pursuant to the automatic reinvestment in shares of Company common stock of cash dividends paid on Company common stock to the reporting person, received since the reporting person's last Form 4 report.

SEC source: 0001410636-20-000067 · wf-form4_158592934806597.xml · nonDerivative · entry 1

Chin Brian · CIK 0001710089 · SVP Strat. Fin. Planning

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,685

SEC source: 0001410636-20-000065 · wf-form4_158592676708224.xml · nonDerivative · entry 1

Lynch Walter · CIK 0001430106 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 118,884

SEC source: 0001410636-20-000058 · wf-form4_158333203188363.xml · derivative · entry 7

Kennedy Melanie M · CIK 0001699352 · SVP, Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,990 shares

Expires 2021-12-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: This option award vested in three equal installments on January 1, 2016, 2017 and 2018.

SEC source: 0001410636-20-000058 · wf-form4_158333203188363.xml · derivative · entry 6

Kennedy Melanie M · CIK 0001699352 · SVP, Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,969 shares

Expires 2022-12-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: This option award vested in three equal installments on January 1, 2017, 2018 and 2019.

SEC source: 0001410636-20-000058 · wf-form4_158333203188363.xml · nonDerivative · entry 5

Kennedy Melanie M · CIK 0001699352 · SVP, Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,479

SEC source: 0001410636-20-000058 · wf-form4_158333203188363.xml · nonDerivative · entry 4

Kennedy Melanie M · CIK 0001699352 · SVP, Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,568

SEC source: 0001410636-20-000058 · wf-form4_158333203188363.xml · nonDerivative · entry 3

Kennedy Melanie M · CIK 0001699352 · SVP, Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,558

F1 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $127.72 to $127.75, inclusive. The reporting person undertakes to provide to American Water Works Company, Inc., any security holder thereof, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth above.