Prompt
How can I use SEC filings data services to build export-friendly screening and valuation workflows?
Latest observation
You can use SEC filings data services as the backbone for repeatable, export-friendly screening and valuation workflows by treating the filings as a structured data pipeline rather than as documents you read manually.
1) Start with the right data sources
Use a filings data service that gives you:
- Company metadata: ticker, CIK, SIC/industry, exchange
- Filing index data: form type, filing date, accession number, primary document
- XBRL/structured financials: income statement, balance sheet, cash flow line items
- Inline XBRL facts: standardized tags for recent filings
- Historical filing archive: so you can compare across periods
- Bulk download or API access: for automation and exports
If possible, choose a service that supports:
- JSON/CSV export
- SEC form filtering (
10-K,10-Q,8-K,20-F,DEF 14A, etc.) - Fundamental point-in-time data
- As-of date snapshots to avoid look-ahead bias
2) Build a screening layer
Create a screening workflow that pulls filing-derived metrics into a table you can export to Excel, CSV, or a BI tool.
Common screening inputs
From filings, calculate or extract:
- Revenue growth
- Gross margin
- Operating margin
- Net margin
- EPS growth
- Free cash flow
- Debt-to-equity
- Current ratio
- Interest coverage
- Shares outstanding dilution
- Insider ownership
- Buyback activity
- Guidance changes from 8-Ks / earnings releases
Example screen ideas
- Quality screen: positive FCF, low leverage, stable margins
- Value screen: low EV/EBIT, low P/E, high FCF yield
- Growth screen: 3-year revenue CAGR > X%, accelerating margins
- Risk screen: rising debt, shrinking cash, frequent going-concern language
Export-friendly workflow
Design the output as a flat table:
- One row per company per filing period
- Columns for each metric
- Include
company_name,ticker,cik,filing_date,period_end
That structure is easy to:
- Export to CSV/XLSX
- Load into Power BI/Tableau
- Use in Python/R notebooks
- Refresh on a schedule
3) Convert filings into valuation inputs
SEC filings are especially useful for fundamental valuation models because they provide audited or quarterly reported financials.
Useful valuation inputs
From 10-K and 10-Q filings, extract:
- Revenue
- EBITDA or operating income
- Depreciation/amortization
- Capex
- Working capital changes
- Cash and debt
- Shares outstanding
- Tax rate
- Segment disclosures
Valuation workflows
A. Comparable multiples
Build a comp table with:
- P/E
- EV/EBITDA
- EV/Sales
- P/FCF
- PEG
- ROIC or ROE
Export the table and sort/filter by industry, growth, or margin profile.
B. Discounted cash flow
Use filing data to estimate:
- Historical growth rates
- Margin trends
- Capex intensity
- FCF conversion
- Share count trend
Then create a DCF model with:
- Revenue forecast
- EBIT margin forecast
- Tax rate
- D&A
- Capex
- NWC assumptions
- WACC and terminal growth
C. Sum-of-the-parts
Use segment disclosures in annual reports to:
- Estimate segment revenue and margins
- Apply different multiples by segment
- Aggregate to a parent valuation
4) Make the workflow repeatable
A good export-friendly filing workflow is usually:
Step 1: Ingest
Pull filings by:
- ticker universe
- date range
- form type
Step 2: Parse
Convert XBRL tags and filing tables into normalized fields.
Step 3: Standardize
Map company-reported tags into a common schema:
- revenue
- COGS
- operating income
- capex
- debt
- cash
Step 4: Enrich
Add:
- market data
- sector classification
- consensus estimates
- peer data
Step 5: Score
Assign screen scores or valuation ranks:
- quality score
- value score
- growth score
- risk score
Step 6: Export
Output to:
- CSV
- Excel
- Parquet
- SQL database
- dashboard layer
5) Use point-in-time logic
For screening and valuation, it’s important to use the data as it was known on that date.
That means:
- Use filing date, not just period end date
- Avoid restated values unless intentionally modeling revised history
- Match market prices to the same as-of date
- Keep separate snapshots by filing cycle
This is critical if you want backtests that are realistic.
6) Practical workflow examples
Example: Quarterly screen
- Pull latest
10-Qfilings for your universe. - Extract revenue, operating income, cash, debt, shares.
- Compute:
- QoQ and YoY growth
- margin trend
- leverage
- FCF proxy
- Export a ranked spreadsheet.
Example: Annual valuation refresh
- Pull all latest
10-Ks. - Update historical revenue and cash flow line items.
- Recalculate:
- EV/EBITDA
- FCF yield
- DCF inputs
- Export the model assumptions and outputs to Excel.
Example: Event-driven workflow
- Monitor
8-Kfilings for earnings releases. - Parse revenue/EBITDA guidance changes.
- Flag companies with upward or downward revisions.
- Export a watchlist of moved names.
7) Recommended tool stack
A flexible stack could be:
- Data source/API: SEC filings provider
- Processing: Python, pandas, polars
- Storage: Postgres, DuckDB, or Parquet files
- Reporting: Excel, Google Sheets, Power BI, Tableau
- Automation: cron, Airflow, GitHub Actions, Prefect
If you want very fast local analytics, Parquet + DuckDB is a great combination.
8) Good export design practices
To keep outputs easy to use:
- Use consistent column names
- Include units (
USDmm,USD,%) - Add
period_endandfiling_date - Keep
ticker,cik, andcompany_name - Use one table for raw facts, one for derived metrics
- Avoid wide, unlabeled tables with mixed units
9) Example schema
A useful master table might look like:
| ticker | cik | company_name | filing_type | filing_date | period_end | revenue | op_income | net_income | fcf | cash | debt | shares_outstanding | ev | pe | ev_ebitda |
|---|
That can be exported directly into Excel or a dashboard.
10) Key pitfalls to avoid
- Mixing quarterly and annual data without labeling
- Using filing-period data without filing-date awareness
- Ignoring stock splits and share count changes
- Using raw XBRL tags without standardization
- Overfitting valuation models to noisy quarterly fluctuations
- Not handling amendments (
10-K/A,10-Q/A)
If you want, I can also give you:
- a sample Python pipeline for SEC filings screening,
- an Excel template schema for export-friendly valuation workflows, or
- a recommended data model for storing SEC filing facts.
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