Neutron Holdings, Inc. (LIME) NSO Exercise Calculator
Calculator · free · no signup · LIMEPlan your Neutron Holdings, Inc. NSO exercise (federal, state, FICA) and compare sell-vs-hold for long-term capital gains.
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Your grant
Tax inputs
Hold strategy
Best after-tax payout — at year 1
$198,990
Sell + invest wins by $20,773 over Hold 1 yr.
Estimates only. Not financial advice.
Sell + invest
Best payout| Bargain element (sale − strike) | $350,000 |
| Federal | |
| State | |
| Medicare | −$5,075 |
| Additional Medicare | −$3,150 |
| Market gain over 1 yr at 10.0% | $18,564 |
| LTCG on diversified gain (fed + state + NIIT) | −$5,217 |
| Net at year 1 | $198,990 |
Sell every share immediately; invest the after-tax cash at the market return for 1 yr, then liquidate. Diversified — no single-stock concentration risk.
Exercise + hold 1 yr
| Sale proceeds (year 1) | |
| LTCG tax (federal + state + NIIT) | $0 |
| Net at year 1 | $178,216 |
Sold 2,679 shares at exercise to cover strike + tax; 2,321 shares held 1 yr for LTCG.
Social Security + Medicare are payroll taxes (collectively called FICA) — they apply because you're exercising as a current employee.
Both columns are stated in year-1 dollars: sell-now proceeds compound at the market return and pay LTCG on the gain at year 1; any cash paid out of pocket on the hold side carries the same opportunity cost.
Net at year N — by hold period
Estimates only. Excludes AMT (NSOs do not trigger AMT), state-AMT, multi-state moves, and disqualifying-disposition edge cases. Not financial advice.
You calculated one NSO decision. The beta plans NSOs alongside RSUs and ISOs in a single multi-year tax plan.
Request beta access →Related calculators: Stock Concentration Calculator · Multi-Year ISO Exercise Schedule Calculator
About Neutron Holdings, Inc.
Neutron Holdings, Inc. (LIME) is a public Marketplace company, incorporated in Delaware and headquartered in San Francisco, CA. IPO'd Jul 1, 2026.
Nasdaq IPO Jul 2026; Lime e-scooter/e-bike rental platform; too new for Polygon options-chain coverage (ETL 2026-10-25, 7/7-day 404).
Equity grants at Neutron Holdings, Inc. typically include incentive stock options (ISOs) and non-qualified stock options (NSOs).
Toby Sun and Brad Bao founded Neutron Holdings in 2017 as LimeBike, renaming it Lime in 2018. The company operates a shared e-scooter and e-bike rental platform across roughly 230 cities, generating $886.7 million in 2025 revenue, up nearly 30 percent year over year, alongside a net loss (money lost after expenses) of $59.3 million. Headquartered in San Francisco with about 1,150 employees, Lime went public on the Nasdaq Global Select Market in July 2026 under ticker LIME, pricing shares at $25 and raising roughly $167 million before fees.
Sources: sec.gov · en.wikipedia.org · renaissancecapital.com
Equity comp at Neutron Holdings, Inc.
- Executive RSU awards granted March 2025 carry an explicit liquidity event requirement (satisfied by IPO completion as the second trigger), in addition to time-based vesting. Until the IPO closes, RSUs do not begin to settle regardless of how much time has passed since the grant date.
- Vesting schedule: 1/12th of RSUs vest on each quarterly anniversary of the grant date over three years; some awards cliff vest after one year then vest monthly over the remaining two years.
Sources: sec.gov
Researched 2026-06-27.
OptionsAhoy is an independent tool and is not affiliated with, endorsed by, or sponsored by Neutron Holdings, Inc..
Use this calculator to estimate your Neutron Holdings, Inc. (LIME) NSO exercise tax (federal, state, FICA), then compare selling now versus holding through the long-term capital gains threshold. Inputs are yours: grant terms, current price, your income, your state.
All Neutron Holdings, Inc. tools → · Use the generic NSO Exercise Calculator for any company.
Neutron Holdings, Inc. equity questions
- How is a Neutron Holdings, Inc. NSO exercise taxed?
- Exercising a non-qualified stock option (NSO) creates ordinary income on the bargain element (the price on the day you exercise minus your strike), subject to federal income tax, state income tax, and FICA. The calculator above computes that tax for your Neutron Holdings, Inc. grant and compares selling the shares now against holding past the one-year mark for long-term capital-gains treatment.
- Does Neutron Holdings, Inc. grant ISOs, NSOs, or RSUs?
- Equity compensation at Neutron Holdings, Inc. typically takes the form of incentive stock options (ISOs) and non-qualified stock options (NSOs). Incentive stock options can trigger the alternative minimum tax (AMT) when you exercise.
- When did the Neutron Holdings, Inc. IPO lockup expire?
- Neutron Holdings, Inc. (LIME) went public on July 1, 2026. The standard post-IPO lockup runs 180 days, so employee and insider shares generally became sellable around December 28, 2026. Confirm against your own grant paperwork, since some lockups release early or in stages.
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