AWK

SEC source: 0001410636-18-000027 · wf-form4_151726850240393.xml · nonDerivative · entry 2

Degillio Deborah A · CIK 0001629296 · President, AWE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,581

F1 · shares: Represents shares vested pursuant to an award of performance stock units (PSUs) granted in February 2015 under the American Water Works Company, Inc. 2007 Omnibus Equity Compensation Plan (the "Plan"). This award vested on January 25, 2018. PSUs are settled solely by the delivery of one share of common stock per PSU (and may not be settled in cash).

SEC source: 0001410636-18-000027 · wf-form4_151726850240393.xml · nonDerivative · entry 1

Degillio Deborah A · CIK 0001629296 · President, AWE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,719

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: 0001410636-18-000019 · wf-form4_151500799495933.xml · nonDerivative · entry 1

Swaminathan Radhakrishnan · CIK 0001721449 · SVP,Chief Tech.&Innov. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,070

SEC source: 0001410636-18-000015 · wf-form4_151500693555275.xml · nonDerivative · entry 1

Strauss Mark F. · CIK 0001430105 · Executive Officer-Bus. Dev.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,840

F1 · balance_after: Includes an aggregate of 33 shares purchased under the American Water Works Company, Inc. Nonqualified Employee Stock Purchase Plan which were inadvertently omitted from the reporting person's prior Form 4, and which is deemed appropriately corrected hereby.

SEC source: 0001410636-18-000009 · wf-form4_151500591764546.xml · nonDerivative · entry 1

Lynch Walter · CIK 0001430106 · EVP and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,493

SEC source: 0001410636-18-000023 · wf-form4_151500847696311.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 708

SEC source: 0001410636-18-000021 · wf-form4_151500814300391.xml · nonDerivative · entry 1

Warnock Loyd A · CIK 0001296668 · SVP, Ext. Affairs, Bus. Dev.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,411

SEC source: 0001410636-18-000017 · wf-form4_151500777133164.xml · nonDerivative · entry 1

Sullivan Linda G · CIK 0001328106 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,481

F1 · balance_after: Includes 272 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: 0001410636-18-000013 · wf-form4_151500655420787.xml · nonDerivative · entry 1

STORY SUSAN N · CIK 0001233549 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,760

F1 · balance_after: Includes 283 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: 0001410636-18-000011 · wf-form4_151500629803649.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,534

F1 · balance_after: Includes 9 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: 0001410636-18-000007 · wf-form4_151500557755375.xml · nonDerivative · entry 1

Kennedy Melanie M · CIK 0001699352 · SVP, Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,519

F1 · balance_after: Includes 40 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: 0001410636-18-000005 · wf-form4_151500531952690.xml · nonDerivative · entry 1

Gambol Jennifer · CIK 0001675929 · Vice President and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 604

SEC source: 0001629296-18-000001 · wf-form4_151500498736198.xml · nonDerivative · entry 1

Degillio Deborah A · CIK 0001629296 · President, AWE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,583

SEC source: 0001410636-17-000023 · wf-form4_151087142625758.xml · nonDerivative · entry 1

Warnock Loyd A · CIK 0001296668 · SVP, Ext. Affairs, Bus. Dev.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,862

SEC source: 0001410636-17-000014 · wf-form4_151017655669348.xml · nonDerivative · entry 2

STORY SUSAN N · CIK 0001233549 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 76,846

SEC source: 0001410636-17-000021 · wf-form4_151026491413628.xml · derivative · entry 3

Degillio Deborah A · CIK 0001629296 · President, AWE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 822 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 2,464 shares, vested in three equal installments on January 1, 2015, 2016 and 2017.

F2 · balance_after: A prior exercise of 1,642 shares underlying this option was previously reported.

SEC source: 0001410636-17-000021 · wf-form4_151026491413628.xml · nonDerivative · entry 2

Degillio Deborah A · CIK 0001629296 · President, AWE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,837

SEC source: 0001410636-17-000021 · wf-form4_151026491413628.xml · nonDerivative · entry 1

Degillio Deborah A · CIK 0001629296 · President, AWE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,659

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: 0001410636-17-000017 · wf-form4_151018203919023.xml · derivative · entry 3

Lynch Walter · CIK 0001430106 · EVP and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,545

Underlying: Common Stock · 5,000 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.

F2 · derivative.exercise_date: The option award granted on February 20, 2014 and representing a right to purchase 28,545 shares vested in three equal installments on January 1, 2015, January 1, 2016 and January 1, 2017.

SEC source: 0001410636-17-000017 · wf-form4_151018203919023.xml · nonDerivative · entry 2

Lynch Walter · CIK 0001430106 · EVP and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,667

F1 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $89.9501 to $89.96, 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: 0001410636-17-000017 · wf-form4_151018203919023.xml · nonDerivative · entry 1

Lynch Walter · CIK 0001430106 · EVP and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 97,667

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: 0001410636-17-000019 · wf-form4_151026318801069.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 841 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.

F2 · derivative.exercise_date: The option award granted on February 20, 2014 and representing a right to purchase 2,522 shares, vested in three equal installments on January 1, 2015, January 1, 2016 and January 1, 2017.

F3 · balance_after: Prior exercises of 1,681 shares underlying this option were previously reported.

SEC source: 0001410636-17-000019 · wf-form4_151026318801069.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,031

SEC source: 0001410636-17-000019 · wf-form4_151026318801069.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,872

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 · balance_after: Includes (i) 26 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) 9 shares acquired by the reporting person under the Company's Nonqualified Employee Stock Purchase Plan, each since the reporting person's last Form 4 report.

SEC source: 0001410636-17-000014 · wf-form4_151017655669348.xml · nonDerivative · entry 1

STORY SUSAN N · CIK 0001233549 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 76,906

F1 · balance_after: Includes (i) 875 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) 101 shares acquired by the reporting person under the Company's Nonqualified Employee Stock Purchase Plan, each since the reporting person's last Form 4 report.

SEC source: 0001209191-17-050697 · doc4.xml · nonDerivative · entry 2

Lynch Walter · CIK 0001430106 · EVP and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,667

SEC source: 0001209191-17-050697 · doc4.xml · nonDerivative · entry 1

Lynch Walter · CIK 0001430106 · EVP and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 94,702

SEC source: 0001209191-17-049981 · doc4.xml · derivative · entry 3

Lynch Walter · CIK 0001430106 · EVP and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,169 shares

Expires 2019-12-31

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 21, 2013 and representing a right to purchase 25,169 shares vested in three equal installments on January 1, 2014, 2015 and 2016.

SEC source: 0001209191-17-049981 · doc4.xml · nonDerivative · entry 2

Lynch Walter · CIK 0001430106 · EVP and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 96,002

SEC source: 0001209191-17-049981 · doc4.xml · nonDerivative · entry 1

Lynch Walter · CIK 0001430106 · EVP and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 111,171

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: 0001209191-17-034084 · doc4.xml · nonDerivative · entry 1

Warnock Loyd A · CIK 0001296668 · SVP, External Affairs, Comm.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,055

SEC source: 0001209191-17-033565 · doc4.xml · nonDerivative · entry 3

Warnock Loyd A · CIK 0001296668 · SVP, External Affairs, Comm.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,318

SEC source: 0001209191-17-033565 · doc4.xml · nonDerivative · entry 2

Warnock Loyd A · CIK 0001296668 · SVP, External Affairs, Comm.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,535

SEC source: 0001209191-17-033565 · doc4.xml · nonDerivative · entry 1

Warnock Loyd A · CIK 0001296668 · SVP, External Affairs, Comm.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,782

F1 · balance_after: Includes an aggregate of 36 shares purchased under the American Water Works Company, Inc. Nonqualified Employee Stock Purchase Plan.

SEC source: 0001209191-17-032469 · doc4.xml · nonDerivative · entry 1

MACKENZIE GEORGE · CIK 0001085657 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,594

F1 · security: The shares indicated constitute restricted stock units that settle solely in the common stock of American Water Works Company, Inc. (the "Company") on a one share per unit basis. The restricted stock units vested on the date of grant. The restricted stock units will be converted into common stock generally within 30 days following the earlier of August 14, 2018 (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.

F1 · shares: The shares indicated constitute restricted stock units that settle solely in the common stock of American Water Works Company, Inc. (the "Company") on a one share per unit basis. The restricted stock units vested on the date of grant. The restricted stock units will be converted into common stock generally within 30 days following the earlier of August 14, 2018 (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: 0001209191-17-032441 · doc4.xml · nonDerivative · entry 1

DOBSON JULIE A · CIK 0001178460 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,783

F1 · security: The shares indicated constitute restricted stock units that settle solely in the common stock of American Water Works Company, Inc. (the "Company") on a one share per unit basis. The restricted stock units vested on the date of grant. The restricted stock units will be converted into common stock generally within 30 days following the earlier of August 14, 2018 (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.

F1 · shares: The shares indicated constitute restricted stock units that settle solely in the common stock of American Water Works Company, Inc. (the "Company") on a one share per unit basis. The restricted stock units vested on the date of grant. The restricted stock units will be converted into common stock generally within 30 days following the earlier of August 14, 2018 (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: 0001209191-17-032445 · doc4.xml · nonDerivative · entry 1

EVANSON PAUL J · CIK 0001182704 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,351

F1 · security: The shares indicated constitute restricted stock units that settle solely in the common stock of American Water Works Company, Inc. (the "Company") on a one share per unit basis. The restricted stock units vested on the date of grant. The restricted stock units will be converted into common stock generally within 30 days following the earlier of August 14, 2018 (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.

F1 · shares: The shares indicated constitute restricted stock units that settle solely in the common stock of American Water Works Company, Inc. (the "Company") on a one share per unit basis. The restricted stock units vested on the date of grant. The restricted stock units will be converted into common stock generally within 30 days following the earlier of August 14, 2018 (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: 0001209191-17-032465 · doc4.xml · nonDerivative · entry 1

Kurz Karl F · CIK 0001292794 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,943

F1 · security: The shares indicated constitute restricted stock units that settle solely in the common stock of American Water Works Company, Inc. (the "Company") on a one share per unit basis. The restricted stock units vested on the date of grant. The restricted stock units will be converted into common stock generally within 30 days following the earlier of August 14, 2018 (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.

F1 · shares: The shares indicated constitute restricted stock units that settle solely in the common stock of American Water Works Company, Inc. (the "Company") on a one share per unit basis. The restricted stock units vested on the date of grant. The restricted stock units will be converted into common stock generally within 30 days following the earlier of August 14, 2018 (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: 0001209191-17-032462 · doc4.xml · nonDerivative · entry 1

JOHNSON JULIA L · CIK 0001221442 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,221

F1 · security: The shares indicated constitute restricted stock units that settle solely in the common stock of American Water Works Company, Inc. (the "Company") on a one share per unit basis. The restricted stock units vested on the date of grant. The restricted stock units will be converted into common stock generally within 30 days following the earlier of August 14, 2018 (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.

F1 · shares: The shares indicated constitute restricted stock units that settle solely in the common stock of American Water Works Company, Inc. (the "Company") on a one share per unit basis. The restricted stock units vested on the date of grant. The restricted stock units will be converted into common stock generally within 30 days following the earlier of August 14, 2018 (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: 0001209191-17-032455 · doc4.xml · nonDerivative · entry 1

HAGEN VERONICA M · CIK 0001281028 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,099

F1 · security: The shares indicated constitute restricted stock units that settle solely in the common stock of American Water Works Company, Inc. (the "Company") on a one share per unit basis. The restricted stock units vested on the date of grant. The restricted stock units will be converted into common stock generally within 30 days following the earlier of August 14, 2018 (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.

F1 · shares: The shares indicated constitute restricted stock units that settle solely in the common stock of American Water Works Company, Inc. (the "Company") on a one share per unit basis. The restricted stock units vested on the date of grant. The restricted stock units will be converted into common stock generally within 30 days following the earlier of August 14, 2018 (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: 0001209191-17-032452 · doc4.xml · nonDerivative · entry 1

GOSS MARTHA CLARK · CIK 0001221433 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,017

F1 · security: The shares indicated constitute restricted stock units that settle solely in the common stock of American Water Works Company, Inc. (the "Company") on a one share per unit basis. The restricted stock units vested on the date of grant. The restricted stock units will be converted into common stock generally within 30 days following the earlier of August 14, 2018 (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.

F1 · shares: The shares indicated constitute restricted stock units that settle solely in the common stock of American Water Works Company, Inc. (the "Company") on a one share per unit basis. The restricted stock units vested on the date of grant. The restricted stock units will be converted into common stock generally within 30 days following the earlier of August 14, 2018 (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 112 shares acquired pursuant to the automatic reinvestment in shares of Company common stock of Company cash dividends paid to the reporting person.

SEC source: 0001209191-17-031314 · doc4.xml · nonDerivative · entry 1

GOSS MARTHA CLARK · CIK 0001221433 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,529

F1 · shares: This amount represents a fractional (0.6127) share which was sold by the reporting person on May 9, 2017 and has been rounded up to the nearest whole share consistent with the historical presentation of the reporting person's Form 4 beneficial ownership in whole shares.

SEC source: 0001209191-17-016929 · doc4.xml · derivative · entry 3

Strauss Mark F. · CIK 0001430105 · SVP,Corp Strategy&Bus. Develop

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 13,011 shares

Expires 2018-12-31

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 23, 2012 and representing a right to purchase 13,011 shares vested in three equal installments on January 1, 2013, 2014 and 2015.

SEC source: 0001209191-17-016929 · doc4.xml · nonDerivative · entry 2

Strauss Mark F. · CIK 0001430105 · SVP,Corp Strategy&Bus. Develop

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,124

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $77.57 to $77.60, inclusive. The reporting person undertakes to provide to American Water Works Company, Inc., any security holder of American Water Works Company, Inc., 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 range set forth above.

SEC source: 0001209191-17-016929 · doc4.xml · nonDerivative · entry 1

Strauss Mark F. · CIK 0001430105 · SVP,Corp Strategy&Bus. Develop

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,135

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: 0001209191-17-018544 · doc4.xml · derivative · entry 3

Lynch Walter · CIK 0001430106 · EVP and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,169

Underlying: Common Stock · 10,000 shares

Expires 2019-12-31

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 21, 2013 and representing a right to purchase 25,169 shares vested in three equal installments on January 1, 2014, 2015 and 2016.

SEC source: 0001209191-17-018544 · doc4.xml · nonDerivative · entry 2

Lynch Walter · CIK 0001430106 · EVP and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 96,002

SEC source: 0001209191-17-018544 · doc4.xml · nonDerivative · entry 1

Lynch Walter · CIK 0001430106 · EVP and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 106,002

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 · balance_after: Includes 58 shares purchased under the American Water Works Company, Inc. Employee Stock Purchase Plan since the reporting person's last Form 4.

SEC source: 0001209191-17-017355 · doc4.xml · nonDerivative · entry 1

Kennedy Melanie M · CIK 0001699352 · SVP, Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,623

SEC source: 0001209191-17-015156 · doc4.xml · nonDerivative · entry 2

GOSS MARTHA CLARK · CIK 0001221433 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,530

F2 · shares: This amount represents a fractional (0.5913) share which was sold by the reporting person on February 27, 2017 and has been rounded up to the nearest whole share consistent with the historical presentation of the reporting person's Form 4 beneficial ownership in whole shares.