Sell TransDigm (TDG) stock to fund a goal
Calculator · free · no signup · TDGNeed cash for a goal? Plan the minimum-tax schedule to sell your vested TransDigm (TDG) 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 | $109,597 | $111,639 | $111,883 | $118,769 |
| Wealth @ target | $719,068 | $716,894 | $714,464 | $712,031 |
| Chance of shortfall | <0.1% | 0% | 1.9% | 3.4% |
Feasible
$400,071 net by 08/01/27
Total tax: $109,597 (federal $58,819, state $36,048, NIIT $14,729)
Schedule · Recommended
| Sale date | Shares | Tax | Net | Cumulative |
|---|---|---|---|---|
| 08/17/26 | 4,085 | $351,104 | $360,043 | |
| 03/31/27 | 4 | $360 | $360,406 | |
| 04/30/27 | 32 | $2,896 | $363,321 | |
| 05/31/27 | 100 | $9,103 | $372,466 | |
| 06/30/27 | 100 | $9,157 | $381,644 | |
| 07/31/27 | 100 | $9,212 | $390,857 | |
| 08/01/27 | 100 | $9,215 | $400,071 |
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 3,479 shares worth $411,873 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 TransDigm
TransDigm (TDG) is a public Aerospace/Defense company, incorporated in Delaware and headquartered in Cleveland, OH.
Equity grants at TransDigm typically include restricted stock units (RSUs).
TransDigm Group Incorporated is an American publicly traded aerospace manufacturing company headquartered in Cleveland, Ohio. TransDigm develops and manufactures engineered aerospace components. It was founded in 1993, when four industrial aerospace companies were combined by a private equity firm in a leveraged buyout. TransDigm expanded the range of aerospace components it manufactures through acquisitions over the years. It filed an initial public offering on the New York Stock Exchange in 2006.
Source: Wikipedia (CC BY-SA 4.0)
The company buys makers of proprietary aircraft components, parts that are sole-sourced and certified into specific airframes, then prices them for the aftermarket where operators have no alternative supplier. That strategy has produced margins far above peers and repeated scrutiny from Defense Department inspectors general over spare parts pricing. Roughly three quarters of value comes from aftermarket sales rather than original equipment. The Cleveland company runs a decentralized structure with heavy debt by design, and its returns have tracked commercial air traffic recovery closely.
Sources: transdigm.com · en.wikipedia.org
Equity comp at TransDigm
- RSUs use single-trigger vesting: shares become yours as each portion vests on schedule, and the value is taxed as ordinary income at that point. No IPO or acquisition is required.
Researched 2026-08-17.
OptionsAhoy is an independent tool and is not affiliated with, endorsed by, or sponsored by TransDigm.
If you hold vested TransDigm (TDG) 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.
All TransDigm tools → · Use the generic Stock Sale Funding Calculator for any company.
TransDigm equity questions
- How much TDG 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 TDG 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 TransDigm grant ISOs, NSOs, or RSUs?
- Equity compensation at TransDigm typically takes the form of restricted stock units (RSUs). Restricted stock units are taxed as ordinary income when they vest.
- Do TransDigm RSUs use double-trigger vesting?
- No. TransDigm restricted stock units (RSUs) use single-trigger vesting: each tranche becomes yours as it vests on schedule, taxed as ordinary income at that point, with no liquidity event required.
Find another companyAerospace/Defense peers
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OptionsAhoy plans your TransDigm equity alongside hedging, vesting, and de-concentration, across bullish, neutral, and bearish market scenarios. Free during beta.