Avoiding stock option mistakes before Series A
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Stock option questions increase noticeably around Series A, driven by hiring plans, rewarding early team members, and preparing an incentive structure for an eventual IPO or M&A. Stock options are not something to grant on autopilot: getting the design wrong can affect the cap table, hiring and future investor negotiations.
Size the pool from the hiring plan, not a round number
Settling on "around ten percent" without more thought is a common shortcut. The real starting point is who the company expects to hire over the twelve to twenty-four months after the round, since a CTO, a business lead and a product manager each imply a different grant level. Additional grants to existing team members also need to be weighed against new hires' market-rate expectations: too large a pool dilutes existing holders, and too small a pool leaves nothing to offer at the next hiring push.
Settle vesting and treatment on departure before the percentage
Vesting schedule, cliff period, treatment of unvested shares on departure, the exercise window after leaving, and whether unvested shares accelerate on an M&A all shape how the company can operate later. These terms look like fine print at grant time, but they determine outcomes when someone leaves, when an M&A appears, or when an investor asks questions at the next round.
Confirm qualified-option requirements early
Japanese startups commonly use tax-qualified stock options (税制適格ストックオプション), which defer taxation from exercise to sale under certain conditions. Grants to outside collaborators, trust-type schemes, and grants to individuals resident overseas are areas where a design that seemed qualified can later turn out not to meet the requirements, so it is worth confirming with a tax accountant and legal counsel together, well before the round.
Whether the pool is created pre- or post-money is a negotiating point
A pre-money pool concentrates dilution on existing shareholders, while a post-money pool spreads it to the new investor too, which changes how favorable a given valuation actually is. A term sheet should always be read with valuation, the amount raised and the option pool considered together.
Keep a record explaining each grant
Diligence for the next round or an M&A often asks why a particular person received a particular number of options, and how that compares with other team members. Keeping a short internal note on each significant grant, covering expected contribution, role and compensation level, makes that explanation far easier when it is needed.