Boost Run Inc. (BRUN) Post-Termination ISO Calculator
Calculator · free · no signup · BRUNLeft Boost Run Inc. with vested ISOs? Most plans give you 90 days to exercise or forfeit. See your deadline, the AMT cost of exercising, and the share count that maximizes after-tax value.
Beta · invite-only · AlphaLatitude Inc. · Free Tools
Your grant
Tax inputs
Grant timeline
Recommended exercise quantity
Exercise all 10,000
With 10%/yr expected growth over the 3-yr hold, every share's expected after-tax gain exceeds its marginal AMT cost. Net value: $171,946 at horizon.
Net after-tax value vs. shares exercised
Each point is the expected after-tax NPV at your hold horizon if you exercise that many shares now and let the rest expire.
Year-by-year tax breakdown
You pay the higher of Regular tax and Tentative AMT per jurisdiction, then subtract Credit recovered. The result is Net tax. Hover any number for the bracket-by-bracket breakdown.
| 1 | 10,000 | |||
| 2 | 0 | |||
| 3 | 0 |
Federal AMT credit
Earned
$134,654
Recovered
$29,764
Remaining
$104,890
The AMT credit only recovers in years where regular tax exceeds AMT — typically a year with no ISO exercise. It carries forward indefinitely (Form 8801) and applies in any future tax year where regular tax exceeds AMT.
Estimates only. Excludes disqualifying dispositions, NSOs, multi-state moves, and AMT preferences other than ISO bargain elements. Long-term capital gains tax assumes a qualifying disposition (ISO held ≥1 yr from exercise and ≥2 yr from grant); state LTCG follows ordinary brackets except where the state grants preferential treatment (HI, ND, SC, WI, AR, NM) or has a dedicated LTCG-only tax (WA). Assumes you are within the $100K ISO limit (any portion of an annual ISO grant whose FMV at grant exceeds $100K is treated as NSO from the start, §422(d)). State AMT figures are 2025 (next-year values published in late 2026). Not financial advice.
QSBS note. If your shares qualify (typically pre-IPO C-corp grants held 5+ years), a federal rule lets you exclude up to $10M of gain on a future sale from federal tax. That single rule shifts exercise-timing math more than AMT does. (This is §1202 “qualified small-business stock”.) Modeled in beta, not here.
You solved the exercise window. The beta plans what comes after it: the new shares, your remaining equity, hedges, and taxes in one multi-year plan.
Request beta access →About Boost Run Inc.
Boost Run Inc. (BRUN) is a public AI company. IPO'd May 11, 2026.
de-SPAC (Willow Lane); GPU cloud / AI compute.
Equity grants at Boost Run Inc. typically include incentive stock options (ISOs), non-qualified stock options (NSOs), and restricted stock units (RSUs).
Boost Run, founded in 2023 and headquartered in Northbrook, Illinois, operates a NeoCloud GPU cloud platform built for enterprise AI and high-performance computing workloads. CEO Andrew Karos previously co-founded quantitative trading firm Blue Fire Capital (acquired by Galaxy Digital in 2020) before self-funding Boost Run. The platform delivers GPU compute, CPU nodes, managed Kubernetes, and shared storage, and holds NVIDIA Exemplar Cloud status on the Blackwell architecture. Boost Run listed on Nasdaq as BRUN on May 11, 2026, with $940 million in contracted customer revenue and a $1.44 billion purchase agreement with Dell Technologies.
Sources: prnewswire.com · globenewswire.com
Equity comp at Boost Run Inc.
- De-SPAC merger with Willow Lane Acquisition Corp closed May 2026. The 2026 Omnibus Incentive Plan was adopted at closing with no shares issued at close. Boost Run sellers (including CEO Andrew Karos) and Sponsor founder shares are subject to a 6-month post-close lockup, with 10% released at closing and early release if the stock trades at or above $12.00 for 20 of 30 trading days. CEO Karos earnout includes up to 7,875,000 shares vesting at $12.50, $15.00, and $17.50 VWAP hurdles over three years.
- 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.
Sources: prnewswire.com
Researched 2026-05-11.
OptionsAhoy is an independent tool and is not affiliated with, endorsed by, or sponsored by Boost Run Inc..
If you have left Boost Run Inc. (BRUN) with vested incentive stock options (ISOs), most stock plans give you 90 days from your departure date to exercise or forfeit them. Exercising everything at once concentrates the AMT bargain element into a single tax year. This calculator computes your window deadline from your departure date, the alternative minimum tax (AMT) cost of a full exercise at the current trading price, and the partial-exercise share count that maximizes expected after-tax value.
All Boost Run Inc. tools → · Use the generic Post-Termination ISO Exercise Calculator for any company.
Boost Run Inc. equity questions
- I left Boost Run Inc.. How long do I have to exercise my ISOs?
- Most stock plans give you 90 days from your departure date to exercise vested incentive stock options (ISOs); unexercised options are forfeited when the window closes. Tax law is slightly wider: ISO treatment requires you to have been an employee within 3 months of exercise (Internal Revenue Code Section 422(a)(2)), so options exercised under an employer-extended window are taxed as non-qualified stock options (NSOs). Check your grant agreement for Boost Run Inc.'s exact terms. The calculator above computes your deadline from your departure date, the alternative minimum tax (AMT) cost of exercising, and the share count that maximizes after-tax value.
- Does Boost Run Inc. grant ISOs, NSOs, or RSUs?
- Equity compensation at Boost Run Inc. typically takes the form of incentive stock options (ISOs), non-qualified stock options (NSOs), and restricted stock units (RSUs). Incentive stock options can trigger the alternative minimum tax (AMT) when you exercise. Restricted stock units are taxed as ordinary income when they vest.
- When did the Boost Run Inc. IPO lockup expire?
- Boost Run Inc. (BRUN) went public on May 11, 2026. The standard post-IPO lockup runs 180 days, so employee and insider shares generally became sellable around November 7, 2026. Confirm against your own grant paperwork, since some lockups release early or in stages.
- Do Boost Run Inc. RSUs use double-trigger vesting?
- No. Boost Run Inc. 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.
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OptionsAhoy plans your Boost Run Inc. equity alongside hedging, vesting, and de-concentration, across bullish, neutral, and bearish market scenarios. Free during beta.