409A Valuation Benchmarks for Seed-Stage Startups: 2026 Data

What “Seed Stage” Means for 409A Benchmarking

For 409A benchmarking purposes, “seed stage” is not strictly defined by a dollar amount but by a set of company characteristics. The seed stage 409a benchmarks in this article apply to companies that share most of the following profile:

• Capital raised: Typically between $500,000 and $5 million in priced preferred or convertible-instrument funding.
• Revenue: Pre-revenue or very early revenue (typically under $250,000 ARR).
• Headcount: Founder team plus 1-15 employees.
• Round structure: Either a single Series Seed priced round, a SAFE-only stack, or a combination of pre-seed SAFEs that have converted into a Seed priced round.
• Cap table: One or two preferred classes maximum, no participating preferred, no multiple-liquidation-preference structures.

Companies that have raised a Series A, regardless of dollar amount, generally do not produce results within the seed-stage benchmark range. The shift in cap table complexity, in time-to-liquidity assumptions, and in OPM backsolve dynamics is large enough that Series A 409As cluster in their own range. For benchmarks across all stages, see our 409A valuation benchmarks by stage guide.

Typical 409A Valuation Range for Pre-Revenue Seed-Stage Startups in 2026

For a typical pre-revenue seed-stage startup with a Series Seed priced round closed in the prior 6 to 12 months, the most common 409A common stock fair market value falls in this range:

These figures assume a $0.0001 par value structure, a standard 10% to 15% option pool reserve, and a single Series Seed preferred class with a 1x non-participating liquidation preference. The typical 409a valuation range pre-revenue seed-stage startup figures listed above are illustrative midpoints; outliers in either direction are common for specific cap-table and methodology reasons we cover later in this article.

For context on what each of these inputs costs and how providers price seed-stage engagements, see our 409A valuation cost at seed stage guide.

The Common Stock to Preferred Stock Ratio at Seed Stage

One of the most useful 409A valuation benchmarks seed stage founders can sanity-check is the implied common-to-preferred ratio. Take the common stock FMV per share from your 409A and divide it by the preferred stock price per share in your most recent priced round. The result is the common-to-preferred ratio, and it should typically land between 15% and 30% at seed stage.

For example, if your Series Seed preferred priced at $1.00 per share and your 409A produces a common FMV of $0.20 per share, the ratio is 20% — squarely in the typical seed-stage benchmark zone. A ratio of 15% suggests an aggressive marketability discount or a longer time-to-liquidity assumption; a ratio of 30% suggests a tighter discount, near-term liquidity expectations, or a low-volatility assumption.

Three structural factors compress the ratio below the preferred price:

• Liquidation preference: The Series Seed preferred holders are entitled to receive their invested capital back before common holders receive anything. The OPM backsolve allocates value to common only above that preference threshold.
• Time value of optionality: The OPM treats common stock as a series of out-of-the-money call options on the equity value. At seed stage, with a 5-7 year expected time to liquidity and meaningful uncertainty, the option time value reduces the present-value allocation to common.
• Discount for lack of marketability: The DLOM further reduces the marketable value to reflect the inability of holders to monetize their position before a liquidity event.

DLOM Benchmarks for Seed-Stage 409A Valuations

The discount for lack of marketability is one of the most influential inputs in any 409A valuation, and at seed stage it typically ranges from 25% to 35%. The exact figure depends on the model the appraiser uses, the volatility assumption, and the expected holding period.

The Finnerty 2012 average-strike model has become the de facto standard for seed-stage and early-stage 409A engagements because it produces stable, defensible results across a wide range of inputs. For a deeper look at how this model works and how to interpret DLOM results, see our guide to the Finnerty DLOM model in 409A valuations.

Two practical takeaways: first, a seed-stage DLOM below 20% is rare and should be supported by an unusually short expected time-to-liquidity or a low-volatility input. Second, a seed-stage DLOM above 40% is also rare and is most often associated with very long time-to-liquidity assumptions (8+ years) or volatility assumptions above 90%.

OPM Backsolve: The Default Methodology at Seed

At seed stage, the AICPA Practice Guide's preferred methodology is the OPM (Option Pricing Method) backsolve. The appraiser takes the most recent priced preferred round as the calibration point, treats each share class in the cap table as a call option on equity value at the relevant breakpoint, and solves for the implied total equity value that produces the observed preferred price per share. Then the same model is run forward to allocate value to common stock.

The standard OPM backsolve assumptions for seed stage in 2026 are:

• Volatility: Typically 70% to 90%, derived from a peer set of public early-stage technology companies and adjusted for the size and risk of the subject company.
• Risk-free rate: Matched to the expected time to liquidity using current Treasury yield curve data.
• Expected time to liquidity: 5 to 7 years for typical seed-stage software companies, longer for biotech and hardware.
• Dividend yield: Zero, consistent with venture-backed company practice.
• Total equity value: The figure that is solved for, calibrated to reproduce the observed preferred price per share given the cap table breakpoints.

The OPM backsolve at seed stage is a relatively narrow methodology and the inputs that move the result most are volatility and expected time to liquidity. Holding everything else constant, an increase in volatility from 75% to 90% typically reduces the implied common-to-preferred ratio by 2 to 4 percentage points. An increase in time to liquidity from 5 years to 7 years typically reduces the ratio by another 2 to 3 points. For a deeper methodology overview, see our 409A valuation methodology guide.

Why Seed-Stage 409A Benchmarks Move Around: 5 Drivers

Even within the seed-stage cohort, individual 409A results spread across a wide range. Five drivers account for most of the dispersion:

1. Liquidation preference structure. A 1x non-participating preferred is the standard assumption embedded in the typical-range numbers. A 1x participating preferred (cap or no cap) reduces common stock value because preferred holders share alongside common in the upside. A 2x liquidation preference also reduces common value.

2. Volatility assumption. A higher volatility input increases the time value of the call options that the OPM treats common stock as. The directional effect on common is non-monotonic but at seed stage typically slightly negative because the higher volatility raises the value of the preferred protective put as well.

3. Time-to-liquidity assumption. Longer expected times to liquidity reduce common stock present value through the time-value-of-money channel and increase DLOM.

4. Option pool reserve size. A larger unissued option pool dilutes both common and preferred but the dilution effect on common is slightly larger because of the relative position in the waterfall.

5. Recency of the priced round. A 409A done within 60 days of a priced round usually anchors strongly to that round's preferred price. A 409A done 9-12 months post-round may begin to reflect interim progress (or lack thereof) through other valuation evidence.

Pre-Money vs Post-Money Seed Round: Effect on the 409A

The post-money valuation of the seed round, not the pre-money figure, is the calibration point for the OPM backsolve. For two otherwise identical companies that closed at $5M pre-money / $7M post-money versus $5M pre-money / $5M post-money, the second company has a smaller seed preferred class on a percentage basis, which typically produces a slightly higher common-to-preferred ratio.

More importantly, the post-money valuation directly drives the common stock FMV per share in absolute dollars. A higher post-money seed round produces a higher preferred price per share and, at the typical 18-25% common-to-preferred ratio, a proportionally higher common FMV per share. This is the main reason why two seed-stage companies with similar headcount and product progress can have meaningfully different 409A common stock FMVs — their seed rounds priced at different valuations.

SAFE-Only Seed Companies: How Benchmarks Differ

A growing number of seed-stage companies in 2026 have raised exclusively through SAFEs and have not yet completed a priced equity round. For these companies, the OPM backsolve is unavailable as a primary method because there is no observable per-share preferred price to calibrate to.

Appraisers typically use a hybrid approach in this case:

• Cost approach: The asset-based or replacement-cost view of common stock value.
• Market approach: Comparable company multiples (often revenue or ARR multiples for early-revenue seed companies, or per-employee or per-engineer benchmarks for pre-revenue companies).
• Implied conversion modeling: Modeling the SAFE conversion under a hypothetical priced round, then running an OPM backsolve on the implied post-conversion cap table.

The result is that SAFE-only seed companies typically produce 409A common stock FMVs in the $0.01 to $0.15 range — meaningfully lower than peers with comparable economics that have completed a priced round. Once SAFEs convert in a priced round, methodology shifts to OPM backsolve and FMV typically steps up. For more on how SAFEs affect 409A valuations, see our guide to 409A valuation after a SAFE round.

When Your Seed-Stage 409A Falls Outside the Typical Range

Falling outside the typical seed stage 409a benchmarks range is not automatically a problem. But it does call for the appraiser to clearly document the drivers and for the company to understand what the report is saying. The two directions:

Common-to-preferred ratio above 30%. Possible drivers include a near-term acquisition discussion that the appraiser has incorporated into PWERM weighting, a 1x non-participating preferred with very low liquidation preference relative to enterprise value, an unusually low DLOM (under 20%), or a very short expected time-to-liquidity (under 4 years).

Common-to-preferred ratio below 15%. Possible drivers include a 2x or 3x liquidation preference, a multiple-class capital structure with substantial preference stacking, an unusually long expected time to liquidity (8+ years), volatility above 95%, or a participating preferred structure.

In either case, the report should be readable: the methodology section should make clear why the result lands where it does. If the report does not explain the drivers, that is a sign to push back with the appraiser or consider a different provider. For more on what makes a 409A report defensible, see our guide to audit-defensible 409A valuations.

How to Use These Benchmarks When Reviewing Your Report

Founders and CFOs reading their first seed-stage 409A often ask, “is this number reasonable?” The benchmarks above let you answer that question with reasonable confidence. Here is the simple checklist:

1. Calculate your common-to-preferred ratio. Is it 15-30%?
2. Read the DLOM section. Is it 25-35% with a documented model?
3. Read the volatility input. Is it 70-90% with a peer-set justification?
4. Read the expected time-to-liquidity. Is it 5-7 years for software, longer for biotech/hardware?
5. Read the methodology section. Does it use OPM backsolve calibrated to the most recent priced round?

If all five answers are yes, your seed-stage 409A is squarely within the 2026 benchmark range. If one or two are outside, look for the explanation in the report. If three or more are outside, ask the appraiser to walk through their reasoning — not because the report is necessarily wrong, but because the documentation should clearly explain why your case is different.

For provider selection considerations specific to seed-stage engagements, see our guide to 409A valuation providers for seed-stage startups.