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Advanced Drainage Systems (NYSE: WMS) director gains 1,782-share stock award

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Advanced Drainage Systems, Inc. director Seetharam Anil received a grant or award of 1,782 shares of common stock on July 16, 2026 at no cost. Following this acquisition, he directly holds 16,240 shares and indirectly holds 1,196 shares through family trusts.

Positive

  • None.

Negative

  • None.
Insider Seetharam Anil
Role Director
Type Security Shares Price Value
Grant/Award Common Stock 1,782 $0.00 $0.00
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 16,240 shares (Direct); Common Stock — 1,196 shares (Indirect, By Family Trusts)
Stock grant size 1,782 shares Common stock grant or award on July 16, 2026
Direct holdings after award 16,240 shares Director’s direct common stock ownership following the 1,782-share grant
Indirect holdings via family trusts 1,196 shares Common stock held indirectly by family trusts after the reported date
Grant price per share $0.0000 Reported per-share value for the 1,782-share stock grant
Form 4 regulatory
"INSIDER FILING DATA (Form 4): { "issuerName": "ADVANCED DRAINAGE SYSTEMS, INC.""
Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.
Grant, award, or other acquisition financial
"transaction_code_description": "Grant, award, or other acquisition""
indirect ownership financial
""ownership_type": "indirect", "nature_of_ownership": "By Family Trusts""
Family Trusts financial
""nature_of_ownership": "By Family Trusts""

AI-generated analysis. How Rhea-AI works. Not financial advice.

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FAQ

What insider transaction did Seetharam Anil report for WMS on July 16, 2026?

Seetharam Anil reported a grant or award of 1,782 shares of Advanced Drainage Systems, Inc. common stock on July 16, 2026, recorded as an acquisition rather than a market purchase or sale.

How many Advanced Drainage Systems (WMS) shares did Seetharam Anil acquire in this Form 4?

The Form 4 shows Seetharam Anil acquired 1,782 shares of Advanced Drainage Systems, Inc. common stock via a grant or award, at a reported $0.0000 per share, indicating a compensation-related stock award rather than a market transaction.

What are Seetharam Anil’s direct share holdings in WMS after the reported award?

After the July 16, 2026 award, Seetharam Anil directly holds 16,240 shares of Advanced Drainage Systems, Inc. common stock. This figure reflects his direct ownership position immediately following the 1,782-share grant or award transaction.

Does Seetharam Anil have any indirect ownership in Advanced Drainage Systems (WMS)?

Yes. The Form 4 lists an indirect holding of 1,196 shares of Advanced Drainage Systems, Inc. common stock, held “By Family Trusts”, indicating additional ownership through related trust entities separate from his direct holdings.

Was the WMS insider transaction by Seetharam Anil under a Rule 10b5-1 trading plan?

The Rule 10b5-1 checkbox is not marked as affirming a plan, meaning this reported grant or award of 1,782 shares is not disclosed as being executed pursuant to a pre-arranged Rule 10b5-1 trading plan.

What type of transaction code appears in Seetharam Anil’s WMS Form 4 filing?

The reported acquisition of 1,782 shares uses transaction code “A”, described as a “Grant, award, or other acquisition”, identifying the event as a stock grant rather than an open-market purchase or sale of Advanced Drainage Systems, Inc. shares.
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*
Seetharam Anil

(Last)(First)(Middle)
200 CLARENDON STREET
FLOOR 35

(Street)
BOSTON MASSACHUSETTS 02116

(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
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
07/16/2026
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 Stock07/16/2026A1,782A$0.0016,240D
Common Stock1,196IBy Family Trusts
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:
/s/ Anil Seetharam, by Scott A. Cottrill as attorney-in-fact07/20/2026
** 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)