Form 8-K disclosures mentioning a lockup, by month
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 2026-09-20, from Early Lockup Release: Triggers and Waivers.
| month | month_label | filings | companies |
|---|---|---|---|
| 2025-01-01 | Jan 2025 | 2 | 2 |
| 2025-02-01 | Feb 2025 | 2 | 2 |
| 2025-03-01 | Mar 2025 | 1 | 1 |
| 2025-04-01 | Apr 2025 | 3 | 3 |
| 2025-05-01 | May 2025 | 2 | 2 |
| 2025-06-01 | Jun 2025 | 3 | 3 |
| 2025-07-01 | Jul 2025 | 1 | 1 |
| 2025-08-01 | Aug 2025 | 4 | 4 |
| 2025-09-01 | Sep 2025 | 2 | 2 |
| 2025-10-01 | Oct 2025 | 3 | 3 |
| 2025-11-01 | Nov 2025 | 4 | 4 |
| 2025-12-01 | Dec 2025 | 1 | 1 |
| 2026-01-01 | Jan 2026 | 2 | 2 |
| 2026-03-01 | Mar 2026 | 4 | 4 |
| 2026-05-01 | May 2026 | 2 | 2 |
| 2026-06-01 | Jun 2026 | 5 | 5 |
| 2026-07-01 | Jul 2026 | 2 | 2 |
| 2026-08-01 | Aug 2026 | 4 | 4 |
- Rows × columns
- 18 × 4
- Period covered
- to
- 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 |
|---|---|---|---|
month |
date | 2025-01-01 to 2026-08-01 | |
month_label |
text | 18 distinct values (Apr 2025, Aug 2025, Aug 2026…) | |
filings |
number | 1 to 5 | |
companies |
number | 1 to 5 |
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
toString(toStartOfMonth(filing_date)) AS month,
formatDateTime(toStartOfMonth(filing_date), '%b %Y') AS month_label,
countDistinct(accession_number) AS filings,
countDistinct(cik) AS companies
FROM global_markets.stocks_8k_disclosures
WHERE filing_date >= '2023-01-01'
AND filing_date < toStartOfMonth(today())
AND (supporting_text ILIKE '%lock-up%' OR supporting_text ILIKE '%lockup%')
GROUP BY month, month_label
ORDER BY month
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