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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.

as of ranking 7×3read in context →
Share of reported Form 4 lines by transaction code, Aug 2025 to Jul 2026 — 7 rows by 3 columns, computed from US exchange, SIP and OPRA data.
codeline_countshare_pct
P: open-market purchase826586.3
S: open-market sale36103527.4
A: grant or award30797223.4
M: derivative exercise26309520
F: withheld for tax14873811.3
G: gift210781.6
All other codes13401810.2
Rows × columns
7 × 3
Computed
Completeness
No missing values
Source
US exchange, SIP and OPRA market data
Licence
Strasmore terms · free, no signup
Formats
JSON · CSV · the SQL below

What each column holds

Column definitions for Share of reported Form 4 lines by transaction code, Aug 2025 to Jul 2026, derived from the stored result.
ColumnTypeRangeNotes
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.

the exact SQL behind every number 
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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