CMPIUnknown
Checkmate Pharmaceuticals, Inc. Insider Trading Activity
Every SEC Form 4 insider transaction reported for Checkmate Pharmaceuticals, Inc. (CMPI), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are CMPI insiders buying or selling?
Checkmate Pharmaceuticals, Inc. insiders reported no open-market purchases or sales in the last 12 months. Since August 2020, Trabud has recorded 21 Form 4 filings for CMPI: 13 buys ($13.5M) and 8 sells ($15.8M).
Source: SEC EDGAR Form 4
Key Statistics (August 2020 – May 17, 2022)
Total Form 4 filings
21
SEC EDGAR
Insider filers
4
Insider buys (13)
$13.5M
Insider sells (8)
$15.8M
Insider sentiment
Net sellingNet insider flow of $2.3M in net selling since August 2020.
Recent CMPI insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| May 17, 2022 | Corey S Goodman | 10% Owner | Sale | 131.7K | $10.45 | $1.4M | SEC ↗ |
| May 13, 2022 | Corey S Goodman | 10% Owner | Sale | 160.9K | $10.39 | $1.7M | SEC ↗ |
| May 9, 2022 | Corey S Goodman | 10% Owner | Sale | 86.7K | $10.37 | $898.9K | SEC ↗ |
| May 4, 2022 | Corey S Goodman | 10% Owner | Sale | 270.7K | $10.38 | $2.8M | SEC ↗ |
| Apr 29, 2022 | Corey S Goodman | 10% Owner | Sale | 190.0K | $10.38 | $2.0M | SEC ↗ |
| Apr 26, 2022 | Corey S Goodman | 10% Owner | Sale | 129.8K | $10.39 | $1.3M | SEC ↗ |
| Apr 22, 2022 | Corey S Goodman | 10% Owner | Sale | 547.7K | $10.41 | $5.7M | SEC ↗ |
| Feb 25, 2022 | Novo Holdings A/S | 10% Owner | Sale | 8.1K | $2.84 | $23.1K | SEC ↗ |
| Jun 21, 2021 | Arthur M Krieg | Chief Scientific Officer | Purchase | 7.2K | $6.04 | $43.6K | SEC ↗ |
| Jun 17, 2021 | Arthur M Krieg | Chief Scientific Officer | Purchase | 3.6K | $6.18 | $22.1K | SEC ↗ |
| May 19, 2021 | Arthur M Krieg | Chief Scientific Officer | Purchase | 25.0K | $6.97 | $174.3K | SEC ↗ |
| Apr 1, 2021 | Arthur M Krieg | Chief Scientific Officer | Purchase | 33.2K | $11.16 | $370.7K | SEC ↗ |
| Mar 29, 2021 | Arthur M Krieg | Chief Scientific Officer | Purchase | 13.5K | $12.30 | $166.3K | SEC ↗ |
| Jan 28, 2021 | Arthur M Krieg | Chief Scientific Officer | Purchase | 1.7K | $13.05 | $22.2K | SEC ↗ |
| Jan 21, 2021 | Arthur M Krieg | Chief Scientific Officer | Purchase | 500 | $13.09 | $6.5K | SEC ↗ |
| Dec 31, 2020 | Arthur M Krieg | Chief Scientific Officer | Purchase | 443 | $14.16 | $6.3K | SEC ↗ |
| Dec 23, 2020 | Arthur M Krieg | Chief Scientific Officer | Purchase | 5.1K | $14.64 | $74.7K | SEC ↗ |
| Dec 17, 2020 | Arthur M Krieg | Chief Scientific Officer | Purchase | 4.8K | $14.62 | $70.9K | SEC ↗ |
| Aug 13, 2020 | Novo Holdings A/S | 10% Owner | Purchase | 500.0K | $15.00 | $7.5M | SEC ↗ |
| Aug 13, 2020 | Michael Powell | Director, 10% Owner | Purchase | 133.3K | $15.00 | $2.0M | SEC ↗ |
| Aug 13, 2020 | Corey S Goodman | 10% Owner | Purchase | 200.0K | $15.00 | $3.0M | SEC ↗ |
Showing the 21 most recent of 21 Form 4 filings for Checkmate Pharmaceuticals, Inc..
Most active CMPI insiders
- Arthur M Krieg10 filings
- Corey S Goodman8 filings
- Novo Holdings A/S2 filings
- Michael Powell1 filing
Ask anything about CMPI insider activity
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Open the AI agentCMPI insider trading FAQ
Are Checkmate Pharmaceuticals, Inc. insiders buying or selling?
Checkmate Pharmaceuticals, Inc. insiders reported no open-market purchases or sales in the last 12 months. Since August 2020, Trabud has recorded 21 Form 4 filings for CMPI: 13 buys ($13.5M) and 8 sells ($15.8M). Over the full record that is net selling of $2.3M.
How many insiders trade CMPI stock?
4 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for Checkmate Pharmaceuticals, Inc.. The most recent filing was accepted on May 17, 2022.
Where does Trabud get CMPI insider trading data?
All CMPI insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.