Sell Aon (AON) stock to fund a goal
Calculator · free · no signup · AONNeed cash for a goal? Plan the minimum-tax schedule to sell your vested Aon (AON) shares and net a target amount by a target date, across tax years.
Beta · invite-only · AlphaLatitude Inc. · Free Tools
Inputs
Your equity
One stack per ticker (current-employer RSUs, prior-employer holdings, index fund, etc.). Each stack has its own current price, growth assumption, and cost-basis lots.
Drives chance-of-shortfall · default 30%
Lots
Plan
Estimates only. Not financial advice.
Lock-in-now is deterministic (0%). Plans that wait depend on future prices; risk is near-zero when inventory comfortably exceeds the goal. Volatility: each stack's option-implied vol if a ticker is set, otherwise 30%. Lognormal model; real markets have fatter tails.
| Tax | $109,617 | $111,667 | $111,859 | $118,744 |
| Wealth @ target | $718,846 | $716,668 | $714,158 | $711,725 |
| Chance of shortfall | <0.1% | 0% | 1.8% | 3.4% |
Feasible
$400,074 net by 08/01/27
Total tax: $109,617 (federal $58,832, state $36,054, NIIT $14,732)
Schedule · Recommended
| Sale date | Shares | Tax | Net | Cumulative |
|---|---|---|---|---|
| 08/20/26 | 4,086 | $351,185 | $360,065 | |
| 03/31/27 | 4 | $360 | $360,428 | |
| 04/30/27 | 32 | $2,894 | $363,341 | |
| 05/31/27 | 100 | $9,099 | $372,482 | |
| 06/30/27 | 100 | $9,152 | $381,655 | |
| 07/31/27 | 100 | $9,208 | $390,864 | |
| 08/01/27 | 100 | $9,210 | $400,074 |
Risk vs wealth
Each dot is a possible plan. Right is riskier, up is more wealth left over.
Trajectory of cash netted
Solid line = expected. Shaded band = 10th–90th percentile under price uncertainty.
After the plan
You keep 3,478 shares worth $411,546 at the projected target-date price, invested for the next decision.
You solved for a cash target. The beta optimizes your full portfolio across multiple goals and market scenarios, not just one funding need.
Request beta access →Related calculators: RSU Lot Order Calculator · Stock Concentration Calculator · RSU Sell-vs-Hold Calculator
About Aon
Aon (AON) is a public Fintech company, incorporated in Ireland and headquartered in Dublin 2, Ireland.
Last close: $343.2 per share (as of 2026-08-18).
Equity grants at Aon typically include restricted stock units (RSUs).
Aon plc is a British-American professional services firm. The company operates through two divisions: Risk Capital, which provides brokerage and consulting services for risk management, insurance, and reinsurance, and Human Capital, which provides services related to health insurance, retirement plans, pension plans, and talent advisory.
Source: Wikipedia (CC BY-SA 4.0)
The firm took its present shape through Patrick Ryan's 1982 combination of Ryan Insurance with Combined International, and it now brokers insurance and reinsurance and advises employers on benefits and pensions. Brokers earn commissions and fees without carrying underwriting risk, so results track commercial insurance pricing and client payrolls rather than claims experience. A move of legal domicile to Ireland in 2020 followed an earlier shift to London. Talent is the balance sheet in a business where client relationships travel with individual brokers. The company is incorporated in Ireland, with operations run from London.
Sources: sec.gov · en.wikipedia.org
OptionsAhoy is an independent tool and is not affiliated with, endorsed by, or sponsored by Aon.
If you hold vested Aon (AON) shares and need a set amount of cash by a date (a house down payment, tuition, a sabbatical, a business buy-in), the question is which lots to sell and in which tax years to keep the most after tax. This calculator builds the minimum-tax sell schedule across your lots, accounting for federal long-term capital gains, the net investment income tax, and your state.
Example: a 5,000-share AON position at $343.2 is worth $1,716,000. Say you need $150,000 of it for a house down payment by next spring. Selling enough shares all in one tax year can push the gain into the higher long-term capital-gains bracket and trigger the 3.8% net investment income tax; spreading the sale across two tax years often nets more. The calculator above finds the minimum-tax sell schedule across your specific lots, basis, goal, and date.
All Aon tools → · Use the generic Stock Sale Funding Calculator for any company.
Aon equity questions
- How much AON stock do I sell to fund a goal without overpaying tax?
- It depends on your cost basis, your target amount and date, and how the sale spreads across tax years. Selling vested AON shares triggers long-term capital-gains tax, plus the 3.8% net investment income tax and state tax above certain income, and bunching a large sale into one year can push the gain into a higher bracket. The calculator above builds the minimum-tax sell schedule across your lots to net your target amount by your date.
- Does Aon grant ISOs, NSOs, or RSUs?
- Equity compensation at Aon typically takes the form of restricted stock units (RSUs). Restricted stock units are taxed as ordinary income when they vest.
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