Advanced Drainage Systems (WMS) EVP has 230 shares withheld to cover tax obligations
Filing Impact
Filing Sentiment
Form Type
4
Rhea-AI Filing Summary
Advanced Drainage Systems, Inc. executive Brian W. King reported a routine tax-related share disposition. On 2026-05-22, 230 shares of common stock were withheld at $133.00 per share to satisfy his tax obligations tied to the vesting of restricted common stock.
After this tax-withholding disposition, King directly holds 20,736 shares of common stock and has an additional 1,778.1777 shares held indirectly through a KSOP allocation, 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
KING BRIAN W.
Role
Executive Vice President
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Tax Withholding | Common Stock | 230 | $133.00 | $31K |
| holding | Common Stock | -- | -- | -- |
Holdings After Transaction:
Common Stock — 20,736 shares (Direct, null);
Common Stock — 1,778.178 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
Shares withheld for taxes: 230 shares
Tax withholding price: $133.00 per share
Direct holdings after transaction: 20,736 shares
+2 more
5 metrics
Shares withheld for taxes
230 shares
Tax-withholding disposition on 2026-05-22 for vested restricted stock
Tax withholding price
$133.00 per share
Value used for 230 shares withheld for tax obligations
Direct holdings after transaction
20,736 shares
Common stock directly held by Brian W. King after tax withholding
Indirect KSOP holdings
1,778.1777 shares
Common stock held indirectly via KSOP allocation after transaction
ESPP shares included in KSOP total
89 shares
Shares acquired under Employee Stock Purchase Plan, exempt under Rule 16b-3(c)
Key Terms
restricted common stock, Employee Stock Purchase Plan, Rule 16b-3(c), KSOP, +1 more
5 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.
Rule 16b-3(c) regulatory
"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.
KSOP financial
"Represents current allocation under KSOP."
tax-withholding disposition financial
"transaction_action": "tax-withholding disposition""
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 Brian W. King report?
Brian W. King reported a tax-withholding disposition of 230 shares of Advanced Drainage Systems common stock. The shares were withheld at $133.00 each to cover tax obligations arising from the vesting of restricted stock granted by the company.
Was the WMS Form 4 transaction an open-market sale or a tax event?
The Form 4 transaction was a tax event, not an open-market sale. 230 shares were withheld by Advanced Drainage Systems to pay Brian W. King’s tax obligations related to vesting restricted stock, classified under transaction code F for tax-liability payment.
What does transaction code F mean in Brian W. King’s WMS Form 4?
Transaction code F indicates shares were surrendered or withheld to cover taxes or exercise costs. In this case, 230 Advanced Drainage Systems shares were withheld to satisfy Brian W. King’s tax obligations when his restricted stock vested, not sold on the market.
What indirect WMS holdings does Brian W. King report on this Form 4?
Brian W. King reports 1,778.1777 Advanced Drainage Systems shares held indirectly through a KSOP allocation. This indirect position includes 89 shares acquired under the company’s Employee Stock Purchase Plan, which is exempt under Rule 16b-3(c).