WHAT FOUNDERS SHOULD KNOW ABOUT QUALIFIED SMALL BUSINESS STOCK (QSBS)
And Why Early Structural Decisions Under Section 1202 Matter
Qualified Small Business Stock (QSBS) under Section 1202 of the Internal Revenue Code can allow eligible shareholders to exclude a meaningful amount of federal capital gain when they sell stock in a qualifying startup. For founders, QSBS can be one of the most consequential tax considerations in the entire lifecycle of a company.
QSBS is not automatic. Eligibility depends on how the company is formed, what it does, how and when stock is issued, and what occurs during the holding period. It is an area where early legal and structural decisions can have permanent consequences, and where coordination with qualified tax advisors is essential.
I have represented entrepreneurs and startups on entity formation, financings, and exits for over 20 years, counseling clients through early-stage decisions that materially affect future fundraising and growth. If you are building a venture-scale company, these structural choices matter early, even if outside investment feels distant today.
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What QSBS Means in Practice
QSBS is generally stock of a United States C-corporation that satisfies statutory requirements at the time the stock is issued and continues to satisfy key requirements for most of the shareholder's holding period.
If those requirements are met, Section 1202 can exclude some or all of the gain on a later sale of the stock.
QSBS is available only to non-corporate taxpayers, typically individuals, trusts, and estates.
The Core Tax Benefit Under Section 1202
Stock Issued Before July 4, 2025
For many issuances under prior law, the maximum exclusion is generally the greater of:
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$10 million of gain, or
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10 times the shareholder's basis in the stock
These limits apply on a per-taxpayer, per-issuer basis, provided the stock is held for more than five years.
Stock Issued On or After July 4, 2025
Legislative changes enacted in 2025 expanded the QSBS regime for newer issuances. For stock issued on or after that date, the rules generally provide:
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A tiered holding-period structure:
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50% exclusion after 3 years
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75% exclusion after 4 years
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100% exclusion after 5 years
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An increased gain cap, generally the greater of $15 million or 10 times basis, with inflation indexing beginning in 2027 (for tax years beginning after 2026)
Because statutory effective-date language and interpretive guidance continue to evolve, precise application should always be confirmed for any specific issuance.
Illustrative example:
Assume a founder acquires QSBS at original issuance with a $500,000 basis and later sells the stock after more than five years for $8 million. If the applicable requirements are satisfied, up to $7.5 million of gain may be excluded from federal capital gains tax under Section 1202, subject to the applicable cap.
Federal Versus State Tax Treatment
QSBS is a federal tax concept. State conformity varies. California is a frequent point of confusion. California does not conform to the federal QSBS exclusion under Section 1202 and does not conform to the Section 1045 rollover rules. As a result, California tax may still apply even when federal gain is excluded. State residency, sourcing, and timing issues can materially affect outcomes and should be analyzed early.
Core QSBS Eligibility Requirements
C Corporation Requirement
QSBS applies only to stock of a domestic C corporation. LLC interests and S corporation stock do not qualify. Later conversions can raise holding-period and eligibility issues.
Original Issuance Requirement
The stock must generally be acquired directly from the issuing corporation, not purchased from another stockholder in a secondary transaction. The stock must be issued in exchange for money, property, or services, subject to statutory rules.
Gross Assets Test
At a high level, the corporation's aggregate gross assets must not exceed the applicable threshold immediately before and immediately after the stock issuance.
Many summaries describe:
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A $50 million threshold for earlier issuances
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A $75 million threshold for issuances on or after July 4, 2025, with later inflation indexing
This test is commonly implicated around financings and asset acquisitions.
Active Business Requirement
Section 1202 excludes many service-oriented businesses, including fields such as health, law, accounting, consulting, financial services, and similar activities. In addition, during substantially all of the shareholder's holding period, at least 80% of the corporation's assets (by value) must be used in the active conduct of a qualified trade or business.
Holding Period Requirement
For many issuances, a holding period of more than five years is required for a full exclusion. For newer issuances, the tiered three-to-five-year structure may affect exit planning and deal timing.
Entity Choice and Early Timing Considerations
QSBS is one of several reasons venture-backed startups frequently form as Delaware C corporations. It is not the only consideration, and it is not appropriate in every case, but it is often a significant factor when institutional financing and equity exits are part of the plan. Decisions made at formation and at the time of early equity issuances can determine whether QSBS is ever available. If QSBS is a potential goal, it is typically addressed before founder stock, early employee equity, and the first outside investment round.
Common QSBS Pitfalls
QSBS issues often arise from ordinary startup activity that is not flagged as tax-sensitive at the time, including:
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Issuing equity before confirming C corporation status and eligibility
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Incomplete or inconsistent issuance documentation
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Stock redemptions or buybacks that create statutory issues
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Crossing the gross-assets threshold during financings or acquisitions
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Business pivots or balance-sheet changes that affect the active-business test
These issues are often avoidable with early planning and periodic review.
Section 1045 Rollover Relief
If QSBS is sold after more than six months but before satisfying the full holding period, Section 1045 may allow deferral of gain by reinvesting in replacement QSBS within a 60-day window, assuming statutory requirements are met and proper elections are made. This provision can be relevant in partial liquidity events or unexpected early exits, but it is technical and time-sensitive.
TAKEAWAY
QSBS can materially affect founder outcomes, but it is not a default benefit. It depends on entity choice, issuance timing, business activity, and compliance over time. The right time to address QSBS is not at exit. It is at formation, during early equity issuances, and whenever the company raises capital or materially changes its business.
Your Startup Lawyer in Los Angeles and Ventura County, CA
If you are forming a company, issuing early equity, or preparing for financing, QSBS considerations are worth addressing thoughtfully and early. I help founders choose, form, and capitalize their businesses with an eye toward future financing and long-term growth, while coordinating with tax advisors on the implications.
A.I.
I have become very impressed with the efficiency possibilities of AI. So, I gave ChatGPT a try. I generated this text in part with OpenAI's large-scale language-generation model. After it generated its own draft language, I reviewed, edited, revised, and expanded on it to my own liking and to ensure accuracy in all material respects. WLF takes ultimate responsibility for the content of this article.
Disclaimer
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