STOCK TITAN

Director stock grant at Advanced Drainage Systems (NYSE: WMS)

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

GAST KELLY S. reported acquisition or exercise transactions in this Form 4 filing.

ADVANCED DRAINAGE SYSTEMS, INC. director Kelly S. Gast reported a grant of 1,110 shares of common stock on July 16, 2026, recorded at $0.0000 per share. After this award, Gast directly owns 8,981 shares of the company’s common stock. The Rule 10b5-1 trading-plan checkbox is not marked.

Positive

  • None.

Negative

  • None.
Insider GAST KELLY S.
Role Director
Type Security Shares Price Value
Grant/Award Common Stock 1,110 $0.00 $0.00
Holdings After Transaction: Common Stock — 8,981 shares (Direct)
Shares granted 1110 shares Common stock grant to director Kelly S. Gast on 2026-07-16
Post-transaction holdings 8981 shares Total common shares directly owned by Kelly S. Gast after grant
Grant price per share $0.0000 per share Stated per-share value for the common stock grant
Form 4 acquire transactions 1 transaction Number of acquisition-type transactions reported in this Form 4
Form 4 regulatory
"reported in a Form 4 insider transaction report"
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 regulatory
"The transaction is coded as a grant, award, or other acquisition"
Rule 10b5-1 trading-plan checkbox regulatory
"The Rule 10b5-1 trading-plan checkbox is not marked"
Common Stock financial
"grant of 1,110 shares of common stock on July 16, 2026"
Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

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

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FAQ

What insider transaction did ADVANCED DRAINAGE SYSTEMS, INC. (WMS) report?

ADVANCED DRAINAGE SYSTEMS, INC. reported that director Kelly S. Gast received a grant of 1,110 shares of common stock. The transaction is coded as a grant, award, or other acquisition on Form 4, indicating stock-based compensation rather than an open-market purchase.

How many WMS shares does Kelly S. Gast own after this Form 4 transaction?

Following the reported grant, Kelly S. Gast directly owns 8,981 shares of ADVANCED DRAINAGE SYSTEMS, INC. common stock. This post-transaction balance reflects the newly awarded 1,110 shares added to Gast’s existing holdings as disclosed in the Form 4 filing.

On what date was the WMS stock grant to Kelly S. Gast effective?

The Form 4 shows the stock award to Kelly S. Gast was effective on July 16, 2026. On that date, 1,110 shares of ADVANCED DRAINAGE SYSTEMS, INC. common stock were credited as a grant, increasing Gast’s direct ownership position.

Was the WMS Form 4 transaction made under a Rule 10b5-1 trading plan?

The filing’s Rule 10b5-1 checkbox is not marked, so the transaction is not affirmatively reported as made under a trading plan. It is characterized as a grant or award of stock rather than a scheduled purchase or sale under a pre-arranged program.

Is the WMS Form 4 transaction a market buy or sell of shares?

No, the transaction is coded as a grant, award, or other acquisition (code A), not a market buy or sell. The 1,110 shares of ADVANCED DRAINAGE SYSTEMS, INC. common stock were awarded at a stated price of $0.0000 per share, typical of equity compensation.
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*
GAST KELLY S.

(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
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 Stock07/16/2026A1,110A$0.008,981D
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/ Kelly S. Gast, 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)