STOCK TITAN

ADS (NYSE: WMS) director moves 511 shares between family trusts

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

ADVANCED DRAINAGE SYSTEMS, INC. director and officer D. Scott Barbour reported internal trust restructuring involving 511 shares of common stock. On June 12, 2026, 511 shares were withdrawn from a grantor retained annuity irrevocable remainder trust and transferred to his revocable trust at $135.72 per share, with $69,352.92 cash contributed to the remainder trust.

The footnotes state Barbour was the beneficial owner of these securities both before and after the transfer, indicating no change in overall economic exposure. Following the transactions, reported indirect holdings include 53,652 shares in his revocable trust and 109,955 shares in an irrevocable trust, alongside 77,268 shares held directly and additional indirect positions in various KSOP, GRAT, and spousal trusts.

Positive

  • None.

Negative

  • None.
Insider BARBOUR D. SCOTT
Role See Remarks
Type Security Shares Price Value
Other Common Stock 511 $135.72 $69K
Other Common Stock 511 $135.72 $69K
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 0 shares (Indirect, 2023 GRAT Remainder Trust); Common Stock — 77,268 shares (Direct, null)
Footnotes (1)
  1. On June 12, 2026, the reporting person withdrew 511 shares of ADS common stock from a grantor retained annuity irrevocable remainder trust and transferred the 511 shares of ADS common stock to his revocable trust for the benefit of the reporting person. In exchange for the shares, the reporting person contributed cash to the trust in the principal amount of $69,352.92. The reporting person was the beneficial owner of the transferred securities both before and after the transfer and the reporting person believes the transfer was exempt by Rule 16a-13 under the Securities Exchange Act of 1934. Shares held in irrevocable remainder trust, of which the reporting person's spouse is trustee. The beneficiaries of the irrevocable trust are the reporting persons's nieces and nephew. Shares held in revocable trust for the benefit of the reporting person. 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. Shares held in GRATs of which the reporting person is trustee. Shares held in revocable trust for the benefit of the reporting person's spouse. 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. Represents current allocation under KSOP.
Shares restructured 511 shares Transferred between trusts on June 12, 2026
Transfer price per share $135.72 per share Internal trust restructuring value
Cash contributed to trust $69,352.92 Consideration for 511 transferred shares
Revocable trust holdings after 53,652 shares Reporting person’s revocable trust
Irrevocable trust holdings after 109,955 shares Reporting person’s irrevocable trust
Direct holdings after 77,268 shares Common stock held directly
KSOP allocation 17,087.4254 shares Current allocation under KSOP
Spouse’s irrevocable trust 69,005 shares Spouse’s irrevocable trust holdings
grantor retained annuity irrevocable remainder trust financial
"withdraw 511 shares of ADS common stock from a grantor retained annuity irrevocable remainder trust"
Rule 16a-13 regulatory
"the reporting person believes the transfer was exempt by Rule 16a-13 under the Securities Exchange Act"
KSOP financial
"Represents current allocation under KSOP."
GRATs financial
"Shares held in GRATs of which the reporting person is trustee."
irrevocable spousal access trust financial
"Shares held in irrevocable spousal access trust established by the reporting person’s spouse"
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SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
BARBOUR D. SCOTT

(Last)(First)(Middle)
C/O ADVANCED DRAINAGE SYSTEMS, INC.
4024 GREEN STRIPE LANE

(Street)
HILLIARD OHIO 43026

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
ADVANCED DRAINAGE SYSTEMS, INC. [ WMS ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
See Remarks
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/12/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock06/12/2026J(1)511D$135.720I2023 GRAT Remainder Trust(2)
Common Stock06/12/2026J(1)511A$135.7253,652IReporting Person's Revocable Trust(3)
Common Stock77,268D
Common Stock109,955IReporting Person's Irrevocable Trust(4)
Common Stock11,867IReporting Person's 2024 GRAT(5)
Common Stock46,500IReporting Person's 2025 GRAT(5)
Common Stock6,495ISpouse's Revocable Trust(6)
Common Stock69,005ISpouse's Irrevocable Trust(7)
Common Stock17,087.4254IBy KSOP(8)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. On June 12, 2026, the reporting person withdrew 511 shares of ADS common stock from a grantor retained annuity irrevocable remainder trust and transferred the 511 shares of ADS common stock to his revocable trust for the benefit of the reporting person. In exchange for the shares, the reporting person contributed cash to the trust in the principal amount of $69,352.92. The reporting person was the beneficial owner of the transferred securities both before and after the transfer and the reporting person believes the transfer was exempt by Rule 16a-13 under the Securities Exchange Act of 1934.
2. Shares held in irrevocable remainder trust, of which the reporting person's spouse is trustee. The beneficiaries of the irrevocable trust are the reporting persons's nieces and nephew.
3. Shares held in revocable trust for the benefit of the reporting person.
4. 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.
5. Shares held in GRATs of which the reporting person is trustee.
6. Shares held in revocable trust for the benefit of the reporting person's spouse.
7. 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.
8. Represents current allocation under KSOP.
Remarks:
President & Chief Executive Officer
/s/ D. Scott Barbour, by Scott A. Cottrill as attorney-in-fact06/17/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider activity did WMS director D. Scott Barbour report?

D. Scott Barbour reported restructuring 511 shares of ADS common stock between family trusts. The transfer moved shares from a grantor retained annuity irrevocable remainder trust to his revocable trust, with cash contributed back, leaving his overall beneficial ownership unchanged.

How many WMS shares were moved between trusts in this Form 4?

A total of 511 ADS common shares were moved between trusts. They were withdrawn from a grantor retained annuity irrevocable remainder trust and transferred to Barbour’s revocable trust as part of an internal restructuring transaction reported with code J.

Was there a change in D. Scott Barbour’s beneficial ownership of WMS?

The filing states Barbour was the beneficial owner of the 511 transferred shares both before and after the transaction. This indicates the Form 4 reflects an internal trust restructuring rather than a change in his overall economic interest in ADS.

What consideration was paid for the WMS shares transferred between trusts?

In exchange for the 511 ADS shares transferred to his revocable trust, Barbour contributed $69,352.92 in cash to the grantor retained annuity remainder trust. This values the shares at $135.72 per share for the internal restructuring.

What are D. Scott Barbour’s reported WMS share holdings after the restructuring?

After the restructuring, Barbour reports 53,652 ADS shares in his revocable trust, 109,955 shares in an irrevocable trust, 77,268 shares held directly, and additional indirect holdings through KSOP, GRATs, and spousal trusts, according to the Form 4 ownership table.

What does transaction code J mean in this WMS Form 4 filing?

Transaction code J indicates “other acquisition or disposition” under SEC rules. In this case, it reflects an internal shift of 511 ADS shares between related trusts, rather than an open-market purchase or sale, as described in the Form 4 footnotes.