D. SCOTT BARBOUR - 19 May 2025 Form 4 Insider Report for ADVANCED DRAINAGE SYSTEMS, INC. (WMS)

Role
President & Chief Executive Officer, Director
Signature
/s/ D. Scott Barbour, by Scott A. Cottrill as attorney-in-fact
Issuer symbol
WMS
Transactions as of
19 May 2025
Net transactions value
-$330,884
Form type
4
Filing time
21 May 2025, 18:30:59 UTC
Previous filing
16 May 2025
Next filing
23 May 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
BARBOUR D. SCOTT President & Chief Executive Officer, Director C/O ADVANCED DRAINAGE SYSTEMS, INC., 4640 TRUEMAN BOULEVARD, HILLIARD /s/ D. Scott Barbour, by Scott A. Cottrill as attorney-in-fact 21 May 2025 0001716232

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WMS Common Stock Award $0 +9,457 +25% $0.000000 47,545 19 May 2025 Direct
transaction WMS Common Stock Tax liability $194,854 -1,599 -3.4% $121.86 45,946 19 May 2025 Direct F1
transaction WMS Common Stock Tax liability $136,030 -1,149 -2.5% $118.39 44,797 20 May 2025 Direct F1
holding WMS Common Stock 69,491 19 May 2025 Reporting Person's Revocable Trust F2
holding WMS Common Stock 98,805 19 May 2025 Reporting Person's Irrevocable Trust F3
holding WMS Common Stock 6,495 19 May 2025 Spouse's Revocable Trust F4
holding WMS Common Stock 69,005 19 May 2025 Spouse's Irrevocable Trust F5
holding WMS Common Stock 25,111 19 May 2025 Reporting Person's 2023 GRAT F6
holding WMS Common Stock 26,367 19 May 2025 Reporting Person's 2024 GRAT F6
holding WMS Common Stock 16,997 19 May 2025 By KSOP F7

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction WMS Option to Purchase Common Stock Award $0 +20,165 $0.000000 20,165 19 May 2025 Common Stock 20,165 $119.30 Direct F8
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer.
F2 Shares held in revocable trust for the benefit of the reporting person.
F3 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.
F4 Shares held in revocable trust for the benefit of the reporting person's spouse.
F5 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.
F6 Shares held in GRATs of which the reporting person is trustee.
F7 Represents current allocation under KSOP.
F8 The options vest in three equal annual installments beginning on May 19, 2026, provided that the Reporting Person remains continuously employed by the Issuer through each applicable vesting date.

Remarks:

President & Chief Executive Officer