AMT + ISO Exercise Calculator
Open →Plan Cerebras Systems ISO exercise around the AMT bargain element. Federal + state, AMT crossover, multi-year credit recovery.
Deep dive: Four AMT mistakes you can still fix before December 31 →Cerebras Systems is pre-IPO. Plan your AMT and NSO exercise tax at any valuation: current 409A FMV, expected IPO price, or post-IPO scenarios.
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Plan Cerebras Systems ISO exercise around the AMT bargain element. Federal + state, AMT crossover, multi-year credit recovery.
Deep dive: Four AMT mistakes you can still fix before December 31 →Left Cerebras Systems with vested ISOs? Model the 90-day exercise-or-forfeit window: your deadline, AMT cost of exercising at once, and the share count that maximizes after-tax value.
Cerebras Systems NSO exercise tax (federal, state, FICA) plus a sell-vs-hold comparison for long-term capital gains.
Deep dive: Six NSO mistakes your tax advisor probably won't mention →Don't work at Cerebras Systems? Find another company.
Cerebras Systems is a privately held Semiconductors company, incorporated in Delaware and headquartered in Sunnyvale, CA. S-1 filed Apr 1, 2026.
Last reported secondary-market price: $113.5 per share (as of 2026-05-13). Your own 409A may differ.
Expected ticker CBRS.
Equity grants at Cerebras Systems typically include incentive stock options (ISOs) and non-qualified stock options (NSOs).
Cerebras Systems Inc., headquartered in Sunnyvale, California, develops semiconductors, supercomputers, and related software to power artificial intelligence deep-learning applications such as inference engines. Products include its wafer scale engine (WSE)-3 semiconductors, its CS-3 supercomputers, and its "AI inference cloud" and "AI training cloud" APIs, which allow users to access the company's computing power without buying its hardware. The company also builds data centers using its processors and supercomputers to provide cloud computing services directly to clients.
Source: Wikipedia (CC BY-SA 4.0)
Founded in 2016 by Andrew Feldman, Gary Lauterbach, Michael James, Sean Lie, and Jean-Philippe Fricker (the SeaMicro team that sold to AMD in 2012), Cerebras builds wafer-scale AI compute from its Sunnyvale headquarters. The flagship WSE-3 packs 4 trillion transistors onto a single TSMC 5nm wafer, powering CS-3 systems and a high-speed inference cloud. Customers include G42's Condor Galaxy supercomputers and Lockheed Martin. After CFIUS scrutiny of the G42 stake delayed its 2024 S-1, Cerebras refiled and is targeting a Nasdaq debut under CBRS.
Sources: en.wikipedia.org · cerebras.ai · finance.yahoo.com
Sources: sec.gov · techstartups.com
Researched 2026-05-11.
OptionsAhoy is an independent tool and is not affiliated with, endorsed by, or sponsored by Cerebras Systems.
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