The most common SEC form types: share of all EDGAR filings, trailing 12 months
Answered against 22 years of US equities and 12 years of US options data and published with the query that produced it. This result is stored as of 2026-08-22, from The Most Common SEC Filings, Explained by Data.
| form_type | pct_of_filings |
|---|---|
| 4 | 27.9 |
| 424B2 | 14.94 |
| 144 | 5.84 |
| 8-K | 5.11 |
| NPORT-P | 4.16 |
| 3 | 3.51 |
| D | 3.11 |
| 13F-HR | 2.75 |
| SCHEDULE 13G/A | 2.72 |
| 6-K | 2.19 |
| FWP | 2.11 |
| D/A | 1.77 |
- Rows × columns
- 12 × 2
- Computed
- Completeness
- No missing values
- Source
- US exchange, SIP and OPRA market data
- Licence
- Strasmore terms · free, no signup
What each column holds
| Column | Type | Range | Notes |
|---|---|---|---|
form_type |
text | 12 distinct values (13F-HR, 144, 3…) | |
pct_of_filings |
number | 1.77 to 27.9 | percent |
Computed from Strasmore's warehouse of US exchange, SIP and OPRA market data. Equity prices are delayed; options greeks and implied volatility are end-of-day. This result is stored, not recomputed on load — it is exactly the numbers that were returned on , and the query below is what returned them.
the exact SQL behind every number
SELECT form_type,
round(100.0 * count() / (SELECT count() FROM global_markets.stocks_sec_edgar_index WHERE filing_date >= today() - INTERVAL 12 MONTH AND filing_date < today()), 2) AS pct_of_filings
FROM global_markets.stocks_sec_edgar_index
WHERE filing_date >= today() - INTERVAL 12 MONTH AND filing_date < today()
GROUP BY form_type
ORDER BY count() DESC
LIMIT 12
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