Advanced Drainage exec earns 3,233 performance shares

ADVANCED DRAINAGE SYSTEMS, INC. officer Patrick M. Coyle Jr reported equity compensation and related tax withholding transactions in company common stock.

Rhea-AI Filing Summary

ADVANCED DRAINAGE SYSTEMS, INC. officer Patrick M. Coyle Jr reported equity compensation and related tax withholding transactions in company common stock. He received a grant of 3,233 shares at no cost, earned from performance-based units under the company’s 2017 Omnibus Incentive Plan, including 47 dividend-equivalent shares settled in stock.

To cover tax obligations tied to vesting, the company withheld 91 shares at $131.59 per share and 64 shares at $136.83 per share. After these transactions, he holds 8,925 shares directly and 4,310.908 shares indirectly through a KSOP allocation.

Insider Trade Summary

4 transactions reported

Mixed 4 txns

Insider Coyle Patrick M. Jr

Role See Remarks

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	64	$136.83	$9K
Grant/Award	Common Stock	3,233	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	91	$131.59	$12K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 8,925 shares (Direct); Common Stock — 4,310.908 shares (Indirect, By KSOP)

Footnotes (3)

1. 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.
2. F2. Reflects grant of performance-based units, originally granted pursuant to the Issuer's 2017 Omnibus Incentive Plan, earned after the Issuer determined that certain performance goals for the performance period ended March 31, 2026 had been met. Total includes dividend equivalents in the amount of 47 shares, which dividend equivalents are settled in common stock.
3. F3. Represents current allocation under KSOP.

Key Figures

Equity grant: 3,233 shares Tax withholding at $131.59: 91 shares Tax withholding at $136.83: 64 shares +3 more

6 metrics

Equity grant 3,233 shares Common stock earned from performance-based units, including 47 dividend equivalents

Tax withholding at $131.59 91 shares Shares withheld to satisfy tax obligations on vesting

Tax withholding at $136.83 64 shares Shares withheld to satisfy tax obligations on vesting

Total tax-withheld shares 155 shares Sum of F-code tax-withholding dispositions

Direct holdings after transactions 5,692 shares Common stock held directly by Patrick M. Coyle Jr

Indirect KSOP holdings 4,310.908 shares Common stock held indirectly via KSOP allocation

Key Terms

performance-based units, 2017 Omnibus Incentive Plan, dividend equivalents, KSOP, +1 more

5 terms

performance-based units financial

"Reflects grant of performance-based units, originally granted pursuant to the Issuer's 2017 Omnibus Incentive Plan"

2017 Omnibus Incentive Plan financial

"originally granted pursuant to the Issuer's 2017 Omnibus Incentive Plan, earned after the Issuer determined that certain performance goals"

dividend equivalents financial

"Total includes dividend equivalents in the amount of 47 shares, which dividend equivalents are settled in common stock"

Payments tied to employee or contractor equity awards that mirror the cash dividends paid on the company’s stock; they give the holder the same economic benefit as owning the shares without transferring actual shares—often paid in cash or additional award units when the award becomes payable. Investors care because these payments affect a company’s compensation costs, cash flow and potential share dilution, and they signal how management is being rewarded and aligned with shareholders.

KSOP financial

"Represents current allocation under KSOP."

tax obligations financial

"Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares"

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

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Accepted by SEC EDGAR 05/21/2026 - 06:31 PM EDT Learn about SEC filing dates

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^*

Coyle Patrick M. Jr

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	See Remarks

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/19/2026

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	05/19/2026		F		91(1)	D	$131.59	5,756	D
Common Stock	05/20/2026		F		64(1)	D	$136.83	5,692	D
Common Stock	05/20/2026		A		3,233(2)	A	$0	8,925	D
Common Stock								4,310.908	I	By KSOP(3)

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:

1. Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer.

2. Reflects grant of performance-based units, originally granted pursuant to the Issuer's 2017 Omnibus Incentive Plan, earned after the Issuer determined that certain performance goals for the performance period ended March 31, 2026 had been met. Total includes dividend equivalents in the amount of 47 shares, which dividend equivalents are settled in common stock.

3. Represents current allocation under KSOP.

Remarks:

Executive Vice President, Supply Chain Management

	/s/ Patrick M. Coyle, Jr., by Scott A. Cottrill as attorney-in-fact	05/21/2026
	** 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)