Harpoon Therapeutics, Inc. Insider Trading Activity
Every SEC Form 4 insider transaction reported for Harpoon Therapeutics, Inc. (HARP), sourced directly from SEC EDGAR and updated as new filings are accepted.
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 HARP insiders buying or selling?
Harpoon Therapeutics, Inc. insiders reported no open-market purchases or sales in the last 12 months. Since February 2019, Trabud has recorded 70 Form 4 filings for HARP: 19 buys ($551.9M) and 51 sells ($64.9M).
Source: SEC EDGAR Form 4
Key Statistics (February 2019 – Mar 11, 2024)
Insider sentiment
Net buyingNet insider flow of $487.0M in net buying since February 2019.
Recent HARP insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Mar 11, 2024 | Merck & Co., Inc. | 10% Owner | Purchase | 21.4M | $23.00 | $492.1M | SEC ↗ |
| Mar 27, 2023 | Ronald Hunt | Director, 10% Owner | Purchase | 10.0K | $1000.00 | $10.0M | SEC ↗ |
| Sep 23, 2021 | Georgia Erbez | Chief Financial Officer | Purchase | 10.3K | $8.10 | $83.4K | SEC ↗ |
| Aug 12, 2021 | New Leaf Ventures III, L.P. | 10% Owner | Purchase | 235.3K | $17.00 | $4.0M | SEC ↗ |
| Aug 12, 2021 | Ronald Hunt | Director, 10% Owner | Purchase | 235.3K | $17.00 | $4.0M | SEC ↗ |
| Jul 6, 2021 | Holger Wesche | Chief Scientific Officer | Sale | 10.0K | $14.00 | $140.0K | SEC ↗ |
| Jun 2, 2021 | Ansbert Gadicke | 10% Owner | Sale | 57.5K | $20.63 | $1.2M | SEC ↗ |
| May 27, 2021 | Ansbert Gadicke | 10% Owner | Sale | 17.2K | $20.22 | $346.9K | SEC ↗ |
| May 25, 2021 | Ansbert Gadicke | 10% Owner | Sale | 15.9K | $20.18 | $321.0K | SEC ↗ |
| May 20, 2021 | Ansbert Gadicke | 10% Owner | Sale | 47.9K | $20.49 | $982.2K | SEC ↗ |
| May 17, 2021 | Ansbert Gadicke | 10% Owner | Sale | 16.4K | $20.05 | $329.3K | SEC ↗ |
| May 12, 2021 | Ansbert Gadicke | 10% Owner | Sale | 68.3K | $21.04 | $1.4M | SEC ↗ |
| May 6, 2021 | Ansbert Gadicke | 10% Owner | Sale | 10.2K | $22.52 | $229.1K | SEC ↗ |
| May 4, 2021 | Ansbert Gadicke | 10% Owner | Sale | 328.5K | $22.48 | $7.4M | SEC ↗ |
| Apr 29, 2021 | Ansbert Gadicke | 10% Owner | Sale | 130.1K | $21.99 | $2.9M | SEC ↗ |
| Apr 22, 2021 | Ansbert Gadicke | 10% Owner | Sale | 9.0K | $18.97 | $170.2K | SEC ↗ |
| Apr 20, 2021 | Ansbert Gadicke | 10% Owner | Sale | 38.2K | $19.04 | $726.6K | SEC ↗ |
| Apr 16, 2021 | Todd Foley | Other | Sale | 4.7K | $20.16 | $94.1K | SEC ↗ |
| Apr 16, 2021 | Ansbert Gadicke | 10% Owner | Sale | 38.6K | $20.16 | $777.4K | SEC ↗ |
| Apr 13, 2021 | Ansbert Gadicke | 10% Owner | Sale | 30.9K | $21.90 | $677.4K | SEC ↗ |
| Apr 13, 2021 | Todd Foley | 10% Owner | Sale | 12.8K | $23.15 | $296.3K | SEC ↗ |
| Apr 5, 2021 | Holger Wesche | Chief Scientific Officer | Sale | 10.0K | $20.45 | $204.5K | SEC ↗ |
| Feb 12, 2021 | Todd Foley | 10% Owner | Sale | 183.1K | $20.00 | $3.7M | SEC ↗ |
| Feb 9, 2021 | Todd Foley | 10% Owner | Sale | 91.7K | $20.06 | $1.8M | SEC ↗ |
| Feb 5, 2021 | Todd Foley | 10% Owner | Sale | 120.1K | $20.22 | $2.4M | SEC ↗ |
Showing the 25 most recent of 70 Form 4 filings for Harpoon Therapeutics, Inc..
Most active HARP insiders
- Natalie Sacks16 filings
- Ansbert Gadicke14 filings
- Holger Wesche9 filings
- Todd Foley8 filings
- Arix Bioscience plc4 filings
Ask anything about HARP insider activity
Use Trabud's AI agent to query Harpoon Therapeutics, Inc.'s Form 4 history in plain English — "Show me HARP CEO purchases this year" or compare it against any other ticker.
Open the AI agentHARP insider trading FAQ
Are Harpoon Therapeutics, Inc. insiders buying or selling?
Harpoon Therapeutics, Inc. insiders reported no open-market purchases or sales in the last 12 months. Since February 2019, Trabud has recorded 70 Form 4 filings for HARP: 19 buys ($551.9M) and 51 sells ($64.9M). Over the full record that is net buying of $487.0M.
How many insiders trade HARP stock?
14 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for Harpoon Therapeutics, Inc.. The most recent filing was accepted on Mar 11, 2024.
Where does Trabud get HARP insider trading data?
All HARP 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.