# Merck & Co., Inc.: insider transactions

SEC CIK 310158. Roles and transactions as reported on Form 4. Latest Form 4 filed 2021-06-04.

## Roles

| Company | Role | Transactions | First | Latest |
| --- | --- | ---: | --- | --- |
| [Organon & Co.](/companies/ogn.md) | 10% owner | 1 | 2021-06-02 | 2021-06-02 |

## Transactions: 1

Every transaction reported, newest first. Codes P and S are open-market purchases and sales. Reported price is as stated on the form.

| Date | Company | Transaction | Shares | Reported price | Value | Filing |
| --- | --- | --- | ---: | ---: | ---: | --- |
| 2021-06-02 | [Organon & Co.](/companies/ogn.md) | Other (J) | 253,516,000 | not reported | not reported | [Form 4](/filings/0000899243-21-022060.md) |

Source: SEC EDGAR, Forms 4. Last ingested by Listed: Nov 1, 2026, 13:19 ET. No prices; not investment advice.