Advanced Drainage Systems (WMS) EVP reports 218-share tax withholding, holds 17,590 shares
Filing Impact
Filing Sentiment
Form Type
4
Rhea-AI Filing Summary
ADVANCED DRAINAGE SYSTEMS, INC. executive Thomas J. Waun Sr., EVP, International, reported a routine tax-withholding transaction related to equity compensation. On May 22, 2026, 218 shares of common stock were withheld at $133.00 per share to cover tax obligations from vesting restricted stock, not an open-market sale.
After this disposition, he directly holds 17,590 shares of common stock. He also has an indirect holding of 807.4087 shares through a KSOP account, which includes 89 shares acquired under the company’s Employee Stock Purchase Plan.
Positive
- None.
Negative
- None.
Insider Trade Summary
2 transactions reported
Mixed
2 txns
Insider
WAUN THOMAS J. SR.
Role
EVP, International
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Tax Withholding | Common Stock | 218 | $133.00 | $29K |
| holding | Common Stock | -- | -- | -- |
Holdings After Transaction:
Common Stock — 17,590 shares (Direct, null);
Common Stock — 807.409 shares (Indirect, By KSOP)
Footnotes (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. Includes 89 shares of common stock acquired under the Advanced Drainage Systems, Inc. Employee Stock Purchase Plan, exempt under Rule 16b-3(c). Represents current allocation under KSOP.
Key Figures
Tax-withheld shares: 218 shares
Withholding price: $133.00 per share
Direct holdings after transaction: 17,590 shares
+2 more
5 metrics
Tax-withheld shares
218 shares
Withheld on May 22, 2026 for tax obligations
Withholding price
$133.00 per share
Price used for tax-withholding disposition
Direct holdings after transaction
17,590 shares
Common stock directly owned following tax withholding
Indirect KSOP allocation
807.4087 shares
Current KSOP allocation reported as indirect ownership
ESPP shares within KSOP
89 shares
Acquired under Employee Stock Purchase Plan, exempt under Rule 16b-3(c)
Key Terms
restricted common stock, Employee Stock Purchase Plan, KSOP, tax-withholding disposition
4 terms
restricted common stock financial
"tax obligations in connection with the vesting of shares of restricted common stock of the Issuer"
Restricted common stock is company shares that carry limits on selling or transferring for a set period or until certain conditions are met, like time-based vesting or regulatory clearance. Think of them as shares in a locked box that gradually open; they can become freely tradable later but initially reduce the number of shares available on the market. Investors watch restricted stock because its eventual release can change a company’s share supply, affect stock price, and influence control and dilution.
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.
KSOP financial
"Represents current allocation under KSOP"
tax-withholding disposition financial
"transaction_action: tax-withholding disposition for 218 shares at $133.00"
A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.
FAQ
What insider transaction did WMS executive Thomas Waun report?
Thomas J. Waun Sr. reported a tax-withholding disposition of 218 shares of Advanced Drainage Systems common stock. The shares were withheld at $133.00 each to satisfy tax obligations from vesting restricted stock, rather than sold in the open market.
What is the role of the WMS insider involved in this Form 4?
The reporting person, Thomas J. Waun Sr., serves as Executive Vice President, International at Advanced Drainage Systems. His Form 4 filing reflects routine equity-compensation related activity, specifically tax withholding tied to restricted stock vesting.
What does the tax-withholding disposition code F indicate in the WMS Form 4?
Code F indicates shares were used to pay taxes or an exercise price connected to equity awards. In this case, 218 shares of Advanced Drainage Systems common stock were withheld to satisfy Thomas Waun’s tax obligations on vesting restricted shares.
What is the KSOP holding reported for the WMS insider?
The filing shows an indirect KSOP allocation of 807.4087 shares for Thomas Waun. Footnotes state this represents his current KSOP allocation and includes 89 shares acquired under the Advanced Drainage Systems Employee Stock Purchase Plan, exempt under Rule 16b-3(c).