Advanced Drainage Systems (NYSE: WMS) director granted 1,110 shares

Rhea-AI Filing Summary

COLEMAN MICHAEL B. reported acquisition or exercise transactions in this Form 4 filing.

ADVANCED DRAINAGE SYSTEMS, INC. director Michael B. Coleman received a grant of 1,110 shares of common stock on July 16, 2026, at $0.00 per share. Following this compensation-related award, he directly holds a total of 12,587 shares of the company’s common stock.

Insider Trade Summary

Net Buyer: 1,110 shares

Net Buy 1 txn

Insider COLEMAN MICHAEL B.

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	1,110	$0.00	$0.00

Holdings After Transaction: Common Stock — 12,587 shares (Direct)

Key Figures

Shares granted: 1,110 shares Grant price per share: $0.00 per share Holdings after transaction: 12,587 shares

3 metrics

Shares granted 1,110 shares Common stock awarded to director Michael B. Coleman on July 16, 2026

Grant price per share $0.00 per share Compensation-related stock grant to Michael B. Coleman

Holdings after transaction 12,587 shares Michael B. Coleman’s direct common stock ownership following the grant

Key Terms

Grant, award, or other acquisition, non-derivative, direct or indirect ownership

3 terms

Grant, award, or other acquisition financial

"Transaction code A described as "Grant, award, or other acquisition""

non-derivative financial

"Transaction reported as a non-derivative common stock holding"

direct or indirect ownership financial

"Ownership type indicated as direct in the ownership code"

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/20/2026 - 05:13 PM Accepted by SEC EDGAR 07/20/2026 - 05:13 PM Learn about SEC filing dates

FAQ

What insider stock transaction did WMS report for Michael B. Coleman?

Michael B. Coleman received a grant of 1,110 shares of Advanced Drainage Systems common stock on July 16, 2026, at $0.00 per share. After this award, his direct holdings increased to 12,587 shares.

How many Advanced Drainage Systems (WMS) shares does Michael B. Coleman now hold?

After the reported transaction, Michael B. Coleman directly holds 12,587 shares of Advanced Drainage Systems common stock. This reflects the addition of a 1,110-share grant reported as a compensation-related acquisition.

What type of insider transaction was filed for WMS on July 16, 2026?

The filing reports a grant, award, or other acquisition of 1,110 shares of Advanced Drainage Systems common stock to director Michael B. Coleman on July 16, 2026, classified under transaction code A.

Did the WMS insider transaction involve a purchase or a sale of shares?

The transaction was an acquisition via grant, not an open-market purchase or sale. Director Michael B. Coleman received 1,110 shares at $0.00 per share, increasing his direct ownership position.

Was the WMS insider grant to Michael B. Coleman under a Rule 10b5-1 plan?

The filing’s Rule 10b5-1 checkbox is not marked as a plan transaction (aff_10b5_one is false). This indicates the 1,110-share grant was not reported as executed under a pre-arranged Rule 10b5-1 trading plan.

SEC Form 4

FORM 4

UNITED 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^*

COLEMAN MICHAEL B.

(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)

X	Director		10% 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)

X	Form 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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	07/16/2026		A		1,110	A	$0.00	12,587	D

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/ Michael B. Coleman, by Scott A. Cottrill as attorney-in-fact	07/20/2026
	** Signature of Reporting Person	Date
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)