WMS

SEC source: 0000950170-24-063191 · ownership.xml · nonDerivative · entry 1

TALLEY KEVIN C · CIK 0001682214 · EVP and CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,673

F1 · shares: Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer.

SEC source: 0000950170-24-063185 · ownership.xml · nonDerivative · entry 1

MAKOWSKI TIM A · CIK 0001672236 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,808

F1 · shares: Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer.

SEC source: 0000950170-24-063180 · ownership.xml · nonDerivative · entry 1

Cottrill Scott A · CIK 0001343378 · EVP, CFO AND SECRETARY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,117

F1 · shares: Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer.

SEC source: 0000950170-24-063195 · ownership.xml · nonDerivative · entry 1

BARBOUR D. SCOTT · CIK 0001716232 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,683

F1 · shares: Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer.

SEC source: 0000950170-24-063182 · ownership.xml · nonDerivative · entry 1

HUEBERT MICHAEL G. · CIK 0001823429 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,364

F1 · shares: Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer.

SEC source: 0000950170-24-063176 · ownership.xml · nonDerivative · entry 1

TAYLOR CRAIG J. · CIK 0001979755 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,755

F1 · shares: Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer.

SEC source: 0000950170-24-063181 · ownership.xml · nonDerivative · entry 1

KING BRIAN W. · CIK 0001824317 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,654

F1 · shares: Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer.

SEC source: 0000950170-24-063175 · ownership.xml · nonDerivative · entry 1

HARVEY DARIN S. · CIK 0001756972 · EVP, Supply Chain & Logistics

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,190

F1 · shares: Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer.

SEC source: 0000950170-24-063170 · ownership.xml · nonDerivative · entry 1

KLEIN ROBERT M · CIK 0001614367 · EVP, Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 102,282

F1 · shares: Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer.

SEC source: 0000950170-24-061821 · ownership.xml · nonDerivative · entry 3

WAUN THOMAS J. SR. · CIK 0001815777 · EVP, International

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,835

F2 · shares: Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer.

SEC source: 0000950170-24-061821 · ownership.xml · nonDerivative · entry 2

WAUN THOMAS J. SR. · CIK 0001815777 · EVP, International

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,855

F2 · shares: Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer.

SEC source: 0000950170-24-061821 · ownership.xml · nonDerivative · entry 1

WAUN THOMAS J. SR. · CIK 0001815777 · EVP, International

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,771

F1 · shares: Reflects grant of performance-based units, originally granted pursuant to the Issuer's 2017 Omnibus Incentive Plan, earned after the Issuer determined that certain performance goals for the performance period ended March 31, 2024 had been met. Total includes dividend equivalents in the amount of 42 shares, which dividend equivalents are settled in common stock.

SEC source: 0000950170-24-061844 · ownership.xml · nonDerivative · entry 3

TALLEY KEVIN C · CIK 0001682214 · EVP and CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,835

F3 · shares: Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer.

SEC source: 0000950170-24-061844 · ownership.xml · nonDerivative · entry 2

TALLEY KEVIN C · CIK 0001682214 · EVP and CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,860

F3 · shares: Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer.

SEC source: 0000950170-24-061844 · ownership.xml · nonDerivative · entry 1

TALLEY KEVIN C · CIK 0001682214 · EVP and CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,139

F1 · shares: Reflects grant of performance-based units, originally granted pursuant to the Issuer's 2017 Omnibus Incentive Plan, earned after the Issuer determined that certain performance goals for the performance period ended March 31, 2024 had been met. Total includes dividend equivalents in the amount of 55 shares, which dividend equivalents are settled in common stock.

F2 · balance_after: Includes 123 shares of common stock acquired under the Advanced Drainage Systems, Inc. Employee Stock Purchase Plan, exempt under Rule 16b-3(c).

SEC source: 0000950170-24-061825 · ownership.xml · nonDerivative · entry 3

MAKOWSKI TIM A · CIK 0001672236 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,965

F2 · shares: Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer.

SEC source: 0000950170-24-061825 · ownership.xml · nonDerivative · entry 2

MAKOWSKI TIM A · CIK 0001672236 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,985

F2 · shares: Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer.

SEC source: 0000950170-24-061825 · ownership.xml · nonDerivative · entry 1

MAKOWSKI TIM A · CIK 0001672236 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,393

F1 · shares: Reflects grant of performance-based units, originally granted pursuant to the Issuer's 2017 Omnibus Incentive Plan, earned after the Issuer determined that certain performance goals for the performance period ended March 31, 2024 had been met. Total includes dividend equivalents in the amount of 42 shares, which dividend equivalents are settled in common stock.

SEC source: 0000950170-24-061831 · ownership.xml · nonDerivative · entry 3

Cottrill Scott A · CIK 0001343378 · EVP, CFO AND SECRETARY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,576

F3 · shares: Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer.

SEC source: 0000950170-24-061831 · ownership.xml · nonDerivative · entry 2

Cottrill Scott A · CIK 0001343378 · EVP, CFO AND SECRETARY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,629

F3 · shares: Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer.

SEC source: 0000950170-24-061831 · ownership.xml · nonDerivative · entry 1

Cottrill Scott A · CIK 0001343378 · EVP, CFO AND SECRETARY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 93,806

F1 · shares: Reflects grant of performance-based units, originally granted pursuant to the Issuer's 2017 Omnibus Incentive Plan, earned after the Issuer determined that certain performance goals for the performance period ended March 31, 2024 had been met. Total includes dividend equivalents in the amount of 115 shares, which dividend equivalents are settled in common stock.

F2 · balance_after: Includes 125 shares of common stock acquired under the Advanced Drainage Systems, Inc. Employee Stock Purchase Plan, exempt under Rule 16b-3(c).

SEC source: 0000950170-24-061849 · ownership.xml · nonDerivative · entry 3

KING BRIAN W. · CIK 0001824317 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,776

F3 · shares: Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer.

SEC source: 0000950170-24-061849 · ownership.xml · nonDerivative · entry 2

KING BRIAN W. · CIK 0001824317 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,790

F3 · shares: Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer.

SEC source: 0000950170-24-061849 · ownership.xml · nonDerivative · entry 1

KING BRIAN W. · CIK 0001824317 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,762

F1 · shares: Reflects grant of performance-based units, originally granted pursuant to the Issuer's 2017 Omnibus Incentive Plan, earned after the Issuer determined that certain performance goals for the performance period ended March 31, 2024 had been met. Total includes dividend equivalents in the amount of 42 shares, which dividend equivalents are settled in common stock.

F2 · balance_after: Includes 109 shares of common stock acquired under the Advanced Drainage Systems, Inc. Employee Stock Purchase Plan, exempt under Rule 16b-3(c).

SEC source: 0000950170-24-061845 · ownership.xml · nonDerivative · entry 3

HARVEY DARIN S. · CIK 0001756972 · EVP, Supply Chain & Logistics

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,353

F3 · shares: Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer.

SEC source: 0000950170-24-061845 · ownership.xml · nonDerivative · entry 2

HARVEY DARIN S. · CIK 0001756972 · EVP, Supply Chain & Logistics

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,380

F3 · shares: Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer.

SEC source: 0000950170-24-061845 · ownership.xml · nonDerivative · entry 1

HARVEY DARIN S. · CIK 0001756972 · EVP, Supply Chain & Logistics

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,699

F1 · shares: Reflects grant of performance-based units, originally granted pursuant to the Issuer's 2017 Omnibus Incentive Plan, earned after the Issuer determined that certain performance goals for the performance period ended March 31, 2024 had been met. Total includes dividend equivalents in the amount of 59 shares, which dividend equivalents are settled in common stock.

F2 · balance_after: Includes 125 shares of common stock acquired under the Advanced Drainage Systems, Inc. Employee Stock Purchase Plan, exempt under Rule 16b-3(c).

SEC source: 0000950170-24-061842 · ownership.xml · nonDerivative · entry 3

HUEBERT MICHAEL G. · CIK 0001823429 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,508

F2 · shares: Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer.

SEC source: 0000950170-24-061842 · ownership.xml · nonDerivative · entry 2

HUEBERT MICHAEL G. · CIK 0001823429 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,535

F2 · shares: Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer.

SEC source: 0000950170-24-061842 · ownership.xml · nonDerivative · entry 1

HUEBERT MICHAEL G. · CIK 0001823429 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,853

F1 · shares: Reflects grant of performance-based units, originally granted pursuant to the Issuer's 2017 Omnibus Incentive Plan, earned after the Issuer determined that certain performance goals for the performance period ended March 31, 2024 had been met. Total includes dividend equivalents in the amount of 59 shares, which dividend equivalents are settled in common stock.

SEC source: 0000950170-24-061830 · ownership.xml · nonDerivative · entry 3

KLEIN ROBERT M · CIK 0001614367 · EVP, Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 102,387

F2 · shares: Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer.

SEC source: 0000950170-24-061830 · ownership.xml · nonDerivative · entry 2

KLEIN ROBERT M · CIK 0001614367 · EVP, Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 102,408

F2 · shares: Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer.

SEC source: 0000950170-24-061830 · ownership.xml · nonDerivative · entry 1

KLEIN ROBERT M · CIK 0001614367 · EVP, Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 103,379

F1 · shares: Reflects grant of performance-based units, originally granted pursuant to the Issuer's 2017 Omnibus Incentive Plan, earned after the Issuer determined that certain performance goals for the performance period ended March 31, 2024 had been met. Total includes dividend equivalents in the amount of 52 shares, which dividend equivalents are settled in common stock.

SEC source: 0000950170-24-061822 · ownership.xml · nonDerivative · entry 3

TAYLOR CRAIG J. · CIK 0001979755 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,812

F3 · shares: Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer.

SEC source: 0000950170-24-061822 · ownership.xml · nonDerivative · entry 2

TAYLOR CRAIG J. · CIK 0001979755 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,819

F3 · shares: Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer.

SEC source: 0000950170-24-061822 · ownership.xml · nonDerivative · entry 1

TAYLOR CRAIG J. · CIK 0001979755 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,309

F1 · shares: Reflects grant of performance-based units, originally granted pursuant to the Issuer's 2017 Omnibus Incentive Plan, earned after the Issuer determined that certain performance goals for the performance period ended March 31, 2024 had been met. Total includes dividend equivalents in the amount of 20 shares, which dividend equivalents are settled in common stock.

F2 · balance_after: Includes 125 shares of common stock acquired under the Advanced Drainage Systems, Inc. Employee Stock Purchase Plan, exempt under Rule 16b-3(c).

SEC source: 0000950170-24-061819 · ownership.xml · nonDerivative · entry 3

BARBOUR D. SCOTT · CIK 0001716232 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,282

F2 · shares: Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer.

SEC source: 0000950170-24-061819 · ownership.xml · nonDerivative · entry 2

BARBOUR D. SCOTT · CIK 0001716232 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,496

F2 · shares: Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer.

SEC source: 0000950170-24-061819 · ownership.xml · nonDerivative · entry 1

BARBOUR D. SCOTT · CIK 0001716232 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,727

F1 · shares: Reflects grant of performance-based units, originally granted pursuant to the Issuer's 2017 Omnibus Incentive Plan, earned after the Issuer determined that certain performance goals for the performance period ended March 31, 2024 had been met. Total includes dividend equivalents in the amount of 471 shares, which dividend equivalents are settled in common stock.

SEC source: 0000950170-24-032155 · ownership.xml · nonDerivative · entry 4

BARBOUR D. SCOTT · CIK 0001716232 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · Spouse's Irrevocable Trust

Disclosed balance after: 65,805

F5 · kind: On March 13, 2024, the reporting person transferred 4,305 shares of common stock of ADS to an irrevocable spousal access trust established by the reporting person's spouse for the benefit the reporting person's spouse and his children.

F7 · ownership.nature: Shares held in irrevocable spousal access trust established by the reporting person's spouse, of which the reporting person is a co-trustee. The beneficiaries of the irerrevocable trust include the reporting person's spouse and his children.

SEC source: 0000950170-24-032155 · ownership.xml · nonDerivative · entry 3

BARBOUR D. SCOTT · CIK 0001716232 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · Spouse's Revocable Trust

Disclosed balance after: 9,695

F5 · kind: On March 13, 2024, the reporting person transferred 4,305 shares of common stock of ADS to an irrevocable spousal access trust established by the reporting person's spouse for the benefit the reporting person's spouse and his children.

F6 · ownership.nature: Shares held in revocable trust for the benefit of the reporting person's spouse.

SEC source: 0000950170-24-032155 · ownership.xml · nonDerivative · entry 2

BARBOUR D. SCOTT · CIK 0001716232 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · Reporting Person's Irrevocable Trust

Disclosed balance after: 97,805

F1 · kind: On March 13, 2024, the reporting person contributed 4,305 shares of common stock of Advanced Drainage Systems, Inc. ("ADS") to an irrevocable trust for the benefit of the reporting person and his children.

F4 · ownership.nature: Shares held in irrevocable spousal access trust established by the reporting person, of which the reporting person's spouse is a co-trustee. The beneficiaries of the irrevocable trust are the reporting person and his children.

SEC source: 0000950170-24-032155 · ownership.xml · nonDerivative · entry 1

BARBOUR D. SCOTT · CIK 0001716232 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · Reporting Person's Revocable Trust

Disclosed balance after: 46,341

F1 · kind: On March 13, 2024, the reporting person contributed 4,305 shares of common stock of Advanced Drainage Systems, Inc. ("ADS") to an irrevocable trust for the benefit of the reporting person and his children.

F2 · balance_after: On December 13, 2023, the reporting person transferred 49,261 shares of common stock of ADS from his revocable trust for the benefit of the reporting person to a Grantor Retained Annuity Trust ("GRAT") of which the reporting person is trustee, which transfer is exempt under Rule 16a-13.

F3 · ownership.nature: Shares held in revocable trust for the benefit of the reporting person.

SEC source: 0000950170-24-028616 · ownership.xml · nonDerivative · entry 1

HUEBERT MICHAEL G. · CIK 0001823429 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,450

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $162.42 to $164.625, inclusive. The reporting person undertakes to provide to Advanced Drainage Systems, Inc., any security holder of Advanced Drainage Systems, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (1) to this Form 4.

F2 · balance_after: Includes 125 shares of common stock acquired under the Advanced Drainag Systems, Inc. Employee Stock Purchase Plan, exempt under Rule 16b-3(c).

SEC source: 0000919574-24-001852 · ownership.xml · nonDerivative · entry 1

JONES ROSS M · CIK 0001267629 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F1 · ownership.nature: Represents shares by Stockbridge Fund, L.P. ("SF") and other certain accounts (collectivelly, the "Berkshire Entities"). Stockbridge Associates LLC ("SA") is the general partner of SF. Stockbridge Partners LLC ("SP") is the investment adviser to SF and such certain other accounts. Berkshire Partners Holdings LLC ("BPH") is the general partner of BPSP, L.P. ("BPSP"), which is the managing member of SP.

F2 · ownership.nature: (continued from Footnote 1) The Reporting Person is a managing member of BPH, BPSP, SP, and SA. By virtue of the relationships described in the preceding sentences, the Reporting Person may be deemed to share beneficial ownership with respect to the shares of common stock held by the Berkshire Entities. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0000919574-24-001850 · ownership.xml · nonDerivative · entry 1

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F1 · ownership.nature: Represents shares by Stockbridge Fund, L.P. ("SF") and other certain accounts (collectivelly, the "Berkshire Entities"). Stockbridge Associates LLC ("SA") is the general partner of SF. Stockbridge Partners LLC ("SP") is the investment adviser to SF and such certain other accounts. Berkshire Partners Holdings LLC ("BPH") is the general partner of BPSP, L.P. ("BPSP"), which is the managing member of SP.

F2 · ownership.nature: (continued from Footnote 1) The Reporting Person is a managing member of BPH, BPSP, SP, and SA. By virtue of the relationships described in the preceding sentences, the Reporting Person may be deemed to share beneficial ownership with respect to the shares of common stock held by the Berkshire Entities. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0000950170-24-023046 · ownership.xml · derivative · entry 4

WAUN THOMAS J. SR. · CIK 0001815777 · EVP, International

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,012

Underlying: Common Stock · 1,500 shares

Expires 2030-06-14

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: The options vested in three equal installments beginning on June 14, 2021.

SEC source: 0000950170-24-023046 · ownership.xml · nonDerivative · entry 2

WAUN THOMAS J. SR. · CIK 0001815777 · EVP, International

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,713

F1 · balance_after: Includes 125 shares of common acquired under the Advanced Drainage Systems, Inc. Employee Stock Purchase Plan, exempt under Rule 16b-3(c).

SEC source: 0000950170-24-023046 · ownership.xml · nonDerivative · entry 1

WAUN THOMAS J. SR. · CIK 0001815777 · EVP, International

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,213

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 125 shares of common acquired under the Advanced Drainage Systems, Inc. Employee Stock Purchase Plan, exempt under Rule 16b-3(c).

SEC source: 0000950170-24-019343 · ownership.xml · nonDerivative · entry 2

EVERSOLE ROBERT M · CIK 0001614400 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Reporting Person's Revocable Trust

Disclosed balance after: 46,116

F1 · kind: On February 21, 2024, the reporting person contributed 46,116 shares of common stock of Advanced Drainage Systems, Inc. to a revocable trust, of which the reporting person is trustee, for the benefit of the reporting person and the reporting person's spouse and children.

F2 · ownership.nature: Shares held in revocable trust for the benefit of the reporting person and the reporting person's spouse and children.