Deferred Compensation 409A Vesting Calculator
Model your 409A NQDC plan — calculate vested balance after growth, tax at distribution, and compare deferring now versus taking income today.
How 409A Non-Qualified Deferred Compensation Works
A Non-Qualified Deferred Compensation (NQDC) plan under IRC §409A allows executives and highly compensated employees to defer current income — salary, bonuses, or RSU settlements — to a future distribution date (typically retirement). Unlike a 401(k), there is no IRS contribution limit. You can defer $100,000, $500,000, or more per year. The deferred amount grows tax-deferred based on notional investment options chosen in the plan.
The key tax benefit: you defer income earned in your peak earning years (typically 37% bracket) and receive distributions in retirement when your tax rate may be lower (24-32%). The deferred amount also grows on a pre-tax basis — compounding without annual tax drag. Source: IRC §409A and IRS Notice 2005-1. Last updated: May 2026.
409A Distribution Rules and Permissible Events
| Permissible Distribution Event | Notes |
|---|---|
| Fixed date or schedule | Specified before deferral — most common for retirement |
| Separation from service | 6-month delay required for "specified employees" (key executives) |
| Disability | Must meet IRS definition of total disability |
| Death | Plan must specify beneficiary payout terms |
| Change in corporate control | Specific ownership thresholds apply under §409A(a)(2)(A)(v) |
| Unforeseeable emergency | Only for severe financial hardship; IRS scrutinizes heavily |
The Risk: 409A Violation Penalties
If a plan violates IRC §409A — through early distribution, impermissible acceleration, or failure to comply with timing requirements — the consequences are severe: immediate income tax on the deferred amount + 20% additional excise tax + interest at the underpayment rate plus 1%. This can result in an effective tax rate exceeding 57% (37% income + 20% penalty). Compliance with §409A requires legal review of plan documents before deferral elections are made. Source: IRC §409A(a)(1) and IRS Notice 2010-6.
Critical Risk: Counterparty/Credit Exposure
Unlike a 401(k), funds in a §409A plan are NOT held in a separate trust. They are an unsecured corporate liability — meaning if your employer goes bankrupt, you become a general unsecured creditor and may lose the entire deferred amount. This is the primary risk of NQDC plans. Financial advisors generally recommend: (1) only defer amounts you could afford to lose, (2) monitor the company's financial health each year, (3) consider the plan's "rabbi trust" structure and any credit protections. Never concentrate more than 10-15% of your net worth in any single employer's NQDC plan.
Frequently Asked Questions
What is a 409A deferred compensation plan?
A Non-Qualified Deferred Compensation (NQDC) plan under IRC §409A allows executives to defer income to a future date, typically retirement. Unlike a 401(k), there is no IRS contribution limit, but funds remain an unsecured corporate liability — at risk if the company goes bankrupt. Source: IRC §409A.
When is 409A deferred compensation taxed?
Deferred compensation is taxed as ordinary income when distributed. If the plan violates §409A (early distribution, impermissible acceleration), the income is immediately taxable plus a 20% additional tax and interest penalty. Source: IRS Notice 2005-1.
What are the permissible distribution events under 409A?
The six permissible events are: (1) a fixed date/schedule, (2) separation from service, (3) disability, (4) death, (5) change in corporate control, and (6) unforeseeable emergency. Distributions cannot be accelerated without §409A compliance.
Is 409A deferred compensation subject to FICA taxes?
Yes, FICA is due in the later of the year services are performed or the year compensation vests. FICA is typically paid before income tax — sometimes years before distribution. Source: IRC §3121(v).
What is the risk of 409A deferred compensation?
Deferred compensation is an unsecured promise by your employer. If the company goes bankrupt, you are a general unsecured creditor and may lose all deferred funds. Unlike a 401(k), funds are not held in a separate trust. Never defer more than you can afford to lose.
How does the tax benefit of 409A deferral work?
The benefit is rate arbitrage: deferring income earned at 37% and receiving it at 24% in retirement saves 13 percentage points on the deferred amount. The deferred amount also grows tax-deferred — compounding without annual tax drag.