ADS EVP granted shares and stock options

ADVANCED DRAINAGE SYSTEMS, INC.

Rhea-AI Filing Summary

ADVANCED DRAINAGE SYSTEMS, INC. Executive Vice President Craig J. Taylor reported compensation-related equity awards. He received 1,530 shares of common stock, bringing his direct common stock holdings to 14,873 shares, including 89 shares acquired under the company’s Employee Stock Purchase Plan.

He was also granted options on 3,406 shares of common stock with an exercise price of $138.09 per share, expiring on May 27, 2036. These options vest in three equal annual installments beginning on May 26, 2027, as long as he remains continuously employed by the company through each vesting date.

Insider Trade Summary

Grant/Award: 4,936 shares

Grant/Award 2 txns

Insider TAYLOR CRAIG J.

Role Executive Vice President

Type	Security	Shares	Price	Value
Grant/Award	Option to Purchase Common Stock	3,406	$0.00	$0.00
Grant/Award	Common Stock	1,530	$0.00	$0.00

Holdings After Transaction: Option to Purchase Common Stock — 3,406 contracts (Direct); Common Stock — 14,873 shares (Direct)

Footnotes (2)

1. F1. Includes 89 shares of common stock acquired under the Advanced Drainage Systems, Inc. Employee Stock Purchase Plan, exempt under Rule 16b-3(c).
2. F2. The options vest in three equal annual installments beginning on May 26, 2027, provided that the Reporting Person remains continuously employed by the Issuer through each applicable vesting date.

Key Figures

Common stock award: 1,530 shares Direct common shares after award: 14,873 shares ESPP shares included: 89 shares +4 more

7 metrics

Common stock award 1,530 shares Grant of common stock on May 26, 2026

Direct common shares after award 14,873 shares Total direct holdings after transaction

ESPP shares included 89 shares Acquired under Employee Stock Purchase Plan

Option grant size 3,406 options Options to purchase common stock granted May 26, 2026

Option exercise price $138.09 per share Exercise price for 3,406 options

Option expiration May 27, 2036 Expiration date of stock options

Option vesting start May 26, 2027 First vesting date, three equal annual installments

Key Terms

Employee Stock Purchase Plan, Rule 16b-3(c), Option to Purchase Common Stock, vest in three equal annual installments

4 terms

Employee Stock Purchase Plan financial

"Includes 89 shares of common stock acquired under the Advanced Drainage Systems, Inc. Employee Stock Purchase Plan..."

An employee stock purchase plan is a company program that lets workers buy shares through small payroll deductions, often at a discount to the market price and after a set offering period. Think of it like a workplace savings plan that turns into ownership: it encourages employees to share in the company’s success and can create predictable buying or selling of stock that investors watch because it affects supply, demand and employee incentives.

Rule 16b-3(c) regulatory

"acquired under the Advanced Drainage Systems, Inc. Employee Stock Purchase Plan, exempt under Rule 16b-3(c)."

An SEC rule that lets corporate insiders avoid automatic "short‑swing" profit recovery when they buy or sell their company’s stock under a pre‑approved, written plan that meets specific conditions. For investors, it matters because it clarifies when insider trades are treated as routine, reducing legal uncertainty and helping distinguish trades made for ordinary compensation or pre‑planned reasons from those that might signal opportunistic or timely insider advantage.

Option to Purchase Common Stock financial

"security_title: Option to Purchase Common Stock"

vest in three equal annual installments financial

"The options vest in three equal annual installments beginning on May 26, 2027..."

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did WMS Executive Vice President Craig J. Taylor report in this Form 4?

Craig J. Taylor reported equity compensation awards, not open-market trades. He received 1,530 shares of Advanced Drainage Systems common stock and stock options for 3,406 shares, reflecting compensation rather than discretionary buying or selling activity.

How many WMS common shares does Craig J. Taylor hold after this transaction?

After the reported award, Craig J. Taylor directly holds 14,873 shares of Advanced Drainage Systems common stock. This total includes 89 shares acquired through the company’s Employee Stock Purchase Plan, which are exempt under Rule 16b-3(c).

What stock options were granted to Craig J. Taylor at Advanced Drainage Systems (WMS)?

Craig J. Taylor was granted options to purchase 3,406 shares of Advanced Drainage Systems common stock. These options have an exercise price of $138.09 per share and an expiration date of May 27, 2036, providing long-term equity-based compensation.

When do Craig J. Taylor’s newly granted WMS stock options begin vesting?

The options begin vesting on May 26, 2027. They vest in three equal annual installments starting on that date, provided Craig J. Taylor remains continuously employed by Advanced Drainage Systems through each applicable vesting date.

Are Craig J. Taylor’s WMS equity awards open-market purchases or grants?

They are grants and awards, not open-market purchases. The Form 4 uses transaction code A for grant, award, or other acquisition, indicating compensation-related equity rather than discretionary buying or selling in the market.

What special note applies to some of Craig J. Taylor’s WMS shares?

The filing notes that 89 shares were acquired under the Advanced Drainage Systems Employee Stock Purchase Plan. These shares are exempt under Rule 16b-3(c), a provision that governs certain insider transactions in employee benefit plans.

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

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 05/28/2026 - 04:05 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^*

TAYLOR CRAIG J.

(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)
	Executive Vice President

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/26/2026

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	05/26/2026		A		1,530	A	$0	14,873(1)	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
Option to Purchase Common Stock	$138.09	05/26/2026		A		3,406		(2)	05/27/2036	Common Stock	3,406	$0	3,406	D

Explanation of Responses:

1. Includes 89 shares of common stock acquired under the Advanced Drainage Systems, Inc. Employee Stock Purchase Plan, exempt under Rule 16b-3(c).

2. The options vest in three equal annual installments beginning on May 26, 2027, provided that the Reporting Person remains continuously employed by the Issuer through each applicable vesting date.

	/s/ Craig J. Taylor, by Scott A. Cottrill as attorney-in-fact	05/28/2026
	** 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)