The S-1 as a document to be built: what goes in each part, who owns each section, and the mechanics that carry it from first draft through effectiveness and pricing.
We build the financial sections of the S-1, the F-pages, MD&A, and every tie-out behind them, and carry them through comments to pricing.
Form S-1 preparation: the document, the financial statements, and the timeline
Key takeaways
What it is. The S-1 build: the anatomy and who owns each part, the registrant financial statements upgraded to public-company standard, and the confidential-submission-to-pricing timeline with the parallel FINRA, exchange, and staleness tracks.
Where it breaks. The accounting workstream is on the critical path whether anyone planned it that way: the PCAOB audit uplift, the required periods, and the staleness calendar drive the whole schedule.
How we help. We prepare the statements, footnotes, and support to the standard reviewers test, so the S-1 describes numbers that are already built.
An S-1 is less a filing than a construction project: a prospectus assembled from financial statements, MD&A, business disclosure, and risk factors, every number tied to support, rebuilt through multiple amendments while the underlying quarters keep closing. The companies that file cleanly treat it as a managed build with owners and a calendar; the ones that struggle treat it as a writing assignment that accounting will check later.
This page walks the build the way we run it, section by section and stage by stage. Which form your transaction needs, and the staleness calendar that governs timing, live on our capital markets page; a company qualifying as a foreign private issuer files on the F-series forms instead; the readiness gaps that precede all of this live on IPO readiness. Here we assume you are building the document itself.
Anatomy
What goes in an S-1, and who owns each part
An S-1 has two parts and a defined item set. Part I is the prospectus investors read; Part II carries the filing mechanics. This maps every item to its primary owner, because finance produces more of Part I, the capitalization and dilution tables, the summary financial data, MD&A, and the F-pages, than most working groups plan for.
The S-1 item set and who owns each part. Item structure per Form S-1 and Regulation S-K; illustrative.
Regulation S-X
The registrant's financial statements in an S-1
The F-pages start with the registrant’s own audited statements. Most companies going public are emerging growth companies (annual revenue under about $1.235 billion), so the usual set is two years of income statements, cash flows, and changes in equity, with two years of balance sheets under Regulation S-X; a company that is not an EGC or smaller reporting company files three years of the income, cash-flow, and equity statements, plus a reviewed interim stub. The work that catches first-time issuers is the upgrade from private to public: the audit must be performed by a PCAOB-registered firm that is independent under the SEC’s rules, the company becomes a public business entity and unwinds its private-company accounting alternatives, new standards adopt on the public-company timeline unless an EGC elects the extended transition period, and the footnotes expand to registrant standard. Offering-effect pro formas (preferred conversion, use of proceeds, a tax-status change) round out the set, and are distinct from the acquisition pro formas that apply only when you have bought a significant business.
The registrant's own statements: the periods, the upgrade to registrant standard, and offering-effect pro formas. Illustrative.
The process
The S-1 timeline: confidential submission to pricing
The document moves through a defined sequence: a confidential draft submission (available to all issuers since 2017, not only emerging growth companies), the SEC comment rounds, the public filing at least 15 days before the roadshow, effectiveness under Rule 430A with the price omitted, pricing, and the Rule 424(b) final prospectus. FINRA, the exchange, and the Rule 3-12 staleness clock run in parallel.
Confidential submission through pricing, with the parallel tracks. Typical sequence; illustrative.
This is for you if
You are three to nine months from a target filing and the document build has not started.
The F-pages, MD&A, or tie-out work is stalling the working group's drafting sessions.
A comment letter arrived and the accounting responses need analysis beyond wording.
A quarter will close during your process and nobody owns the flash numbers.
What you get
The F-pages Financial statements, footnotes to registrant standard, and schedules, with the consent calendar managed.
MD&A and financial content Driver-quantified MD&A from the memos, cap and dilution tables, and the non-GAAP presentation done right.
The tie-out binder Every number in the document mapped to support, maintained through each amendment.
Review and pricing support Comment responses with analysis attached, staleness refreshes, the flash close, and the 424(b) mechanics.
How We Help
What we deliver
On an S-1 engagement, you get the financial half of the document, built, tied out, and defended.
The F-pagesFinancial statements, footnotes to registrant standard, and schedules, with the consent calendar managed.
MD&A and financial contentDriver-quantified MD&A from the memos, cap and dilution tables, and the non-GAAP presentation done right.
The tie-out binderEvery number in the document mapped to support, maintained through each amendment.
Review and pricing supportComment responses with analysis attached, staleness refreshes, the flash close, and the 424(b) mechanics.
When companies bring us in
You are three to nine months from a target filing and the document build has not started.
The F-pages, MD&A, or tie-out work is stalling the working group's drafting sessions.
A comment letter arrived and the accounting responses need analysis beyond wording.
A quarter will close during your process and nobody owns the flash numbers.
Our Experience
Where we have done this work
Engagement Notes
A technology IPO, drafted from the memos out
S-1 build for a digital advertising platform: F-pages constructed alongside the PCAOB audit, MD&A written from the revenue and equity position memos including the gross-versus-net presentation investors priced on, the KPI tie-out binder maintained through every amendment, and the flash close that supported preliminary results when a quarter ended mid-process.
Engagement Notes
The registration statement under deal pressure
Registration statement financial sections for companies entering the markets on transaction clocks, including a pre-revenue energy technology business through a SPAC combination: required-period scoping on day one, consents and staleness updates managed across amendment cycles, and comment responses with the technical analysis attached so rounds closed instead of multiplying.
The Detail
The gaps, and how we close each one
Issue 01
The S-1's architecture: what goes where, and who owns itStructure
The S-1 has a defined anatomy, and drafting stalls when nobody maps it to owners: counsel drafts sections that depend on numbers finance has not produced, bankers request positioning the auditors cannot comfort, and the working group discovers late that whole items were never assigned.
The treatment
Part I is the prospectus: summary and risk factors, use of proceeds, capitalization and dilution tables, MD&A, business, management and compensation disclosure, related-party transactions, principal shareholders, and the financial statements (the F-pages). Part II carries the mechanics: expenses, indemnification, recent unregistered sales, undertakings, and the exhibit index whose material contracts take longer to gather than anyone budgets. Build the shell early, assign an owner per item, and drive it off a responsibility matrix that also tags each section’s dependencies: capitalization and dilution depend on the equity workpapers, the summary financial data depends on the F-pages, compensation tables depend on the 718 records. Finance owns more of Part I than most working groups expect, and discovering that in the third drafting session is the schedulable delay this section exists to prevent.
What we do: We build the shell and the responsibility matrix in week one, with finance's sections and their dependencies mapped.
Issue 02
The F-pages: financial statements built for a prospectusReg S-X
The financial statement section is the S-1’s foundation and its longest pole: the required periods under PCAOB audit, footnotes at public-company standard, and the auditor consents that must be refreshed with every amendment. Miss here and the whole document waits.
The treatment
The registrant’s own statements are the core. Because most companies going public qualify as emerging growth companies (annual revenue under about $1.235 billion), the usual requirement is two years of audited income statements, cash flows, and changes in equity, with balance sheets as of the two most recent fiscal year ends under Regulation S-X Rules 3-01 and 3-02; a company that is not an EGC or a smaller reporting company files three years of the income, cash-flow, and equity statements, with the balance sheets still at two. On top of the annuals sit unaudited interim statements, reviewed by the auditor and kept inside the staleness windows. One checklist item to retire: the old five-year Selected Financial Data table (Item 301) was eliminated in 2021, though the summary financial data in the prospectus summary is still expected.
The work that catches first-time issuers is the upgrade from private to public. The statements must be audited by a PCAOB-registered firm under PCAOB standards, by auditors independent under the SEC’s rules, which are stricter than the AICPA independence standard many private-company audits were performed under; where the historical auditor was not registered or not independent under those rules, the audits get re-performed, which is the single most common cause of a slipped timeline. The company also becomes a public business entity, so it must unwind the private-company accounting alternatives it may have elected, goodwill amortization, the intangibles expedient in a business combination, and the VIE common-control leasing exemption, applied retrospectively. New accounting standards then adopt on the public-company timeline instead of the deferred private-company dates, unless the company is an EGC and elects the extended transition period, an all-or-nothing, irrevocable choice under the JOBS Act. Finally the footnotes uplift to registrant standard: segment reporting (ASC 280, now with the enhanced segment-expense detail in ASU 2023-07), EPS (ASC 260), the fair value hierarchy (ASC 820), disaggregated revenue, the income tax rate reconciliation, and the SAB 74 disclosure of standards issued but not yet adopted.
The registrant’s set usually closes with offering-effect pro formas: pro forma equity and per-share data showing the balance sheet and EPS as if the offering’s own mechanics had already happened, the conversion of preferred into common at closing, the use of proceeds to repay debt or fund a distribution, or a conversion from S-corporation or LLC to C-corporation with the resulting deferred taxes. These sit alongside the historical statements, clearly labeled, and they are distinct from the acquisition pro formas below, which apply only when you have bought a significant business.
If you have made, or will probably make, a significant acquisition, a second set of financials comes in under Regulation S-X Rule 3-05, scoped off the significance tests, the highest of the investment, asset, and income (with revenue) tests, on day one because they are someone else’s audit to obtain. A business that is 20% significant or less needs none; over 20% and up to 40% needs one year of audited statements plus the most recent interim; over 40% needs two years; and individually insignificant acquisitions that aggregate over 50% require statements for the substantial majority of them. Those come with Article 11 pro formas carrying transaction accounting and autonomous-entity adjustments. The same requirement applies in 8-Ks and proxies, and it lands in the S-1 whenever the deal history is significant. The auditors consent to the use of their report in the filing and every amendment and are named as experts under Securities Act Section 7, so each refiling has a consent step. We build the F-pages alongside the audit rather than after it, scope the 3-05 and pro forma population early, keep a footnote checklist against S-X, and run the consent calendar so amendments never wait on paper.
What we do: We prepare the F-pages alongside the audit, run the S-X footnote checklist, and manage the consent calendar across amendments.
Issue 03
MD&A: the section the SEC actually readsItem 303
MD&A draws more IPO comments than any other narrative section, because it is where disclosure rules meet judgment: results explained with real drivers, known trends surfaced, liquidity discussed against the actual runway, and estimates described at the depth the staff expects.
The treatment
Write results of operations as quantified drivers, not restated percentages: quantify the factors behind each material change (volume versus price versus mix, headcount, one-time items) instead of restating the percentage change the reader can compute. Disclose known trends and uncertainties, the forward-looking obligation teams underweight: customer concentration shifts, pricing pressure, expiring contracts, and the post-IPO cost step-up all belong here if known. The liquidity discussion must reconcile with the going-concern analysis and the use of proceeds, covering cash needs over both the near and longer term. Critical accounting estimates get specificity: the assumptions that matter, how much they changed, and the sensitivity, written from the position memos so the filing and the workpapers agree. Non-GAAP measures follow Item 10(e): GAAP presented with equal or greater prominence, reconciliations, and no measures that strip normal recurring cash costs. We draft MD&A from the memos and the model, then defend it in comments, which is faster than writing it aspirationally and rewriting it in review.
What we do: We draft MD&A from the position memos with the drivers quantified, and defend it through the comment rounds.
From our engagements: The MD&A comment we see most in first drafts: results narrated without quantified drivers. The staff asks for the decomposition anyway, so building the driver analysis into the first draft removes a full comment cycle.
Building an S-1 right now, or about to? Talk to us before the next drafting session.
Every number tied out: KPIs, market data, and the circle-upSupport
The business section and summary are full of numbers that never touch the financial statements: user counts, retention rates, market sizes, backlog, cohort economics. Each will be circled by the underwriters and questioned by the staff, and support assembled during pricing week is how deals lose days.
The treatment
Build the tie-out package as the document is drafted: every quantitative statement mapped to its source, financial statement figures to the audited numbers, operational metrics to system reports with the query logic preserved, market and industry data to the cited third-party studies with permissions confirmed. KPIs need definitions disclosed and applied consistently across the S-1, the roadshow deck, and the post-IPO reporting you are about to commit to; changing a metric definition after listing is a disclosure event. The staff’s KPI focus mirrors non-GAAP: how the metric is calculated, why it is useful, and its limitations. Underwriter circle-ups then reference this same package, and the portions auditors can comfort versus those needing agreed-upon procedures or management support get sorted before the comfort letter is negotiated, not during it. One binder, maintained with the drafts, is the deliverable.
What we do: We build and maintain the tie-out binder, every number sourced, as the document drafts, not during pricing week.
Issue 05
Confidential submission and the comment processSEC Review
Between first submission and effectiveness sits the SEC review: draft submissions, comment letters, amendment cycles, and the parallel FINRA and exchange tracks. Teams that treat the first comment letter as a surprise event, rather than a scheduled one, burn their calendar buffer immediately.
The treatment
Confidential draft submission is available to issuers generally, not only EGCs, and has been since 2017: initial drafts are reviewed nonpublicly, with the public filing required at least 15 days before the roadshow, which lets you absorb the first comment rounds out of view. Expect the first letter roughly four weeks after submission, heaviest on revenue recognition, MD&A drivers, non-GAAP and KPIs, cheap stock, and risk factor specificity; responses pair a marked amendment with a letter answering each comment directly, analysis attached where the point is technical. Subsequent rounds narrow if the responses actually answer the questions. In parallel, FINRA clears the underwriting compensation and the exchange processes the listing application, both with their own information requests finance feeds. We manage the response drafting and the amendment mechanics, including the consent refresh and any staleness-driven financial statement updates each amendment triggers, so the review is a pipeline rather than a scramble.
What we do: We manage the submission mechanics, draft the comment responses with analysis attached, and run each amendment's refresh cycle.
Issue 06
From effectiveness to pricing: 430A, flash results, and the final prospectusEffectiveness & Pricing
The last two weeks compress everything: the registration statement goes effective without a final price, a quarter may close mid-roadshow demanding preliminary results, and the priced prospectus has a filing deadline measured in days. This is where earlier preparation pays off.
The treatment
Rule 430A lets the S-1 go effective with price-dependent information omitted, price, proceeds, underwriting discounts, which is then fixed at pricing and filed in the final prospectus under Rule 424(b) on a short statutory clock. If a fiscal quarter closes between filing and pricing, the market expects preliminary results: a recent developments section presenting estimated ranges, clearly labeled as preliminary and unaudited, prepared from a hard flash close and scoped with the auditors early because comfort on estimates is limited and the underwriters will want whatever procedures are available. The bring-down comfort letters at pricing and closing (and the 135-day mechanics behind them) sit on our capital markets page; the finance job here is the flash-close capability itself, built and rehearsed before the roadshow, because a range you cannot support is a range you cannot print. After pricing, the machine pivots immediately to the first 10-Q.
What we do: We build and rehearse the flash close, prepare the recent developments ranges, and run the 424(b) mechanics after pricing.
FAQ
Frequently asked questions
How long does S-1 preparation actually take?
From organized books, the document itself is typically a three-to-five-month build to first submission, with the PCAOB audit the usual gating item, then two to four months of review depending on comment rounds. From unorganized books, add the readiness runway first, which is why the honest answer starts with an assessment rather than a date.
Can we submit confidentially if we are not an emerging growth company?
Yes. Confidential draft submission is available to issuers generally under the staff's accommodation, not only EGCs; the drafts are reviewed nonpublicly and the filing becomes public a set period before the roadshow. The EGC-only framing is outdated, and we still see it in checklists.
What does finance actually own in the S-1 besides the financial statements?
More than most working groups expect: MD&A, the capitalization and dilution tables, summary and selected financial data, the KPI support and definitions, the non-GAAP reconciliations, compensation table data, and the tie-out of every number in the business section. The lawyers hold the pen; the numbers are yours.
A quarter will close during our roadshow. What happens?
You present preliminary estimated results, ranges for the key lines, labeled preliminary and unaudited, in a recent developments section. That requires a flash close capable of producing supportable ranges fast, and early coordination with the auditors and underwriters on what procedures are available. We build and rehearse that close before the roadshow starts.
Do you draft the S-1 or does our law firm?
Counsel holds the master document and the legal sections; we build and own the financial content: F-pages, MD&A, cap and dilution tables, KPI support, and the responses to accounting comments. The working group functions when that boundary is explicit from the first drafting session.
Securities Act Section 7 and Rule 436.Experts’ consents to the use of the audit report.
Emerging growth companies (JOBS Act Title I).The EGC definition: two years of audited financials and scaled disclosure, revenue cap indexed to $1.235 billion.
SEC Financial Reporting Manual.Staff guidance on the age of financial statements and acquired-business reporting.
This page summarizes SEC rules and staff guidance for general information, and is not accounting or legal advice. Rules change; confirm the current text before you rely on it.