# Form 4: Statement of changes in beneficial ownership

Canonical: https://sec-api.dev/sec-forms/form-4

> Form 4 reports an insider’s purchase, sale, grant, option exercise or other change in ownership of the company’s securities. Each transaction carries a one-letter code, for example P for an open-market purchase and S for a sale.

## Who files it

Section 16 insiders: officers, directors and 10% holders.

## Deadline

Before the end of the second business day after the transaction date.

## What it contains

- Table I non-derivative transactions with code, date, shares and price
- Table II derivative transactions such as option exercises
- Shares owned after each transaction and direct or indirect ownership
- Footnotes, including Rule 10b5-1 plan disclosures

## Recent filings observed

| Filed | Company | Form | Filing |
| --- | --- | --- | --- |
| 2026-11-09 | PLUMMER MICHELLE M | 4 | https://www.sec.gov/Archives/edgar/data/1247575/000143774926035905/0001437749-26-035905-index.htm |
| 2026-11-09 | GREENE BANCORP, INC. | 4 | https://www.sec.gov/Archives/edgar/data/1070524/000143774926035905/0001437749-26-035905-index.htm |
| 2026-11-09 | ACKERMAN JOEL | 4 | https://www.sec.gov/Archives/edgar/data/1220630/000162828026072233/0001628280-26-072233-index.htm |
| 2026-11-09 | CHAMPIONS ONCOLOGY, INC. | 4 | https://www.sec.gov/Archives/edgar/data/771856/000162828026072233/0001628280-26-072233-index.htm |
| 2026-11-09 | Meaney William L | 4 | https://www.sec.gov/Archives/edgar/data/1566391/000156639126000028/0001566391-26-000028-index.htm |
| 2026-11-09 | IRON MOUNTAIN INC | 4 | https://www.sec.gov/Archives/edgar/data/1020569/000156639126000028/0001566391-26-000028-index.htm |
| 2026-11-09 | Witczak Eric James | 4 | https://www.sec.gov/Archives/edgar/data/1667436/000117485026000178/0001174850-26-000178-index.htm |
| 2026-11-09 | NICOLET BANKSHARES INC | 4 | https://www.sec.gov/Archives/edgar/data/1174850/000117485026000178/0001174850-26-000178-index.htm |
| 2026-11-09 | Woodroffe Sean | 4 | https://www.sec.gov/Archives/edgar/data/1976057/000121465926013884/0001214659-26-013884-index.htm |
| 2026-11-09 | LINCOLN NATIONAL CORP | 4 | https://www.sec.gov/Archives/edgar/data/59558/000121465926013884/0001214659-26-013884-index.htm |

## API

`GET https://sec-api.dev/api/v1/insider-transactions?period=2026q3&form=4&transactionCode=P&limit=5` with `Authorization: Bearer $SEC_API_KEY`

## Questions

**How late are Form 4 filings in practice?** In the latest loaded quarter, our measurement compares each Form 4’s latest transaction date with its filing date. The share filed more than two business days later is shown on /form-4-transaction-codes, computed from SEC data, not estimated.

**Where can I see the transaction codes?** The full code list, with counts from the latest quarter, is at /form-4-transaction-codes.

Source: https://www.sec.gov/files/form4data.pdf

---
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.
API: https://sec-api.dev/docs · ChatGPT app: https://chatgpt.com/plugins/plugin_asdk_app_6ae0ef2436ac8191941dae8a4d732669 · Free key: https://sec-api.dev/sign-up