Share of reported Form 4 lines by transaction code, Aug 2025 to Jul 2026
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 2026-08-08, from How to Read a Form 4 Insider Trading Filing.
| code | line_count | share_pct |
|---|---|---|
| P: open-market purchase | 82658 | 6.3 |
| S: open-market sale | 361035 | 27.4 |
| A: grant or award | 307972 | 23.4 |
| M: derivative exercise | 263095 | 20 |
| F: withheld for tax | 148738 | 11.3 |
| G: gift | 21078 | 1.6 |
| All other codes | 134018 | 10.2 |
- Rows × columns
- 7 × 3
- 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 |
|---|---|---|---|
code |
text | 7 distinct values | |
line_count |
number | 21,078 to 361,035 | count |
share_pct |
number | 1.6 to 27.4 | 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.
Run it yourself
This is the exact query behind the result above. Change a ticker, a date or a column and run it against the warehouse — no account, no key. The no-signup tier is smaller than the one this page was computed on; a query that reaches past it comes back saying which plan runs it.
SELECT
multiIf(
f.transaction_code = 'P', 'P: open-market purchase',
f.transaction_code = 'S', 'S: open-market sale',
f.transaction_code = 'A', 'A: grant or award',
f.transaction_code = 'M', 'M: derivative exercise',
f.transaction_code = 'F', 'F: withheld for tax',
f.transaction_code = 'G', 'G: gift',
'All other codes') AS code,
count() AS line_count,
round(100 * count() / any(t.total_lines), 1) AS share_pct
FROM global_markets.stocks_form4 AS f
CROSS JOIN
(
SELECT count() AS total_lines
FROM global_markets.stocks_form4
WHERE filing_date >= toDate('2025-08-01')
AND filing_date < toDate('2026-08-01')
AND form_type = '4'
AND transaction_code != ''
) AS t
WHERE f.filing_date >= toDate('2025-08-01')
AND f.filing_date < toDate('2026-08-01')
AND f.form_type = '4'
AND f.transaction_code != ''
GROUP BY code
ORDER BY multiIf(
code LIKE 'P:%', 1,
code LIKE 'S:%', 2,
code LIKE 'A:%', 3,
code LIKE 'M:%', 4,
code LIKE 'F:%', 5,
code LIKE 'G:%', 6,
7)
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