IO Biotech, Inc. Insider Trading Activity
Every SEC Form 4 insider transaction reported for IO Biotech, Inc. (IOBTQ), sourced directly from SEC EDGAR and updated as new filings are accepted.
Quick Answer
Are IOBTQ insiders buying or selling?
IO Biotech, Inc. insiders reported 16 open-market buys ($74.0M) and 3 sells ($1.9M) across 19 Form 4 filings — a net buying position of $72.2M.
Source: SEC EDGAR Form 4
Key Statistics (as of Jun 2, 2025)
Insider sentiment
Net buyingNet insider flow of $72.2M in net buying.
Recent IOBTQ insider transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 2, 2025 | Heidi Hunter | Director | Purchase | 15.0K | $1.39 | $20.9K |
| Dec 26, 2024 | Qasim Iftikhar Ahmad | Chief Medical Officer | Purchase | 31.4K | $0.85 | $26.6K |
| Dec 23, 2024 | Mai-Britt Zocca | Chief Executive Officer | Purchase | 12.5K | $0.81 | $10.1K |
| Dec 23, 2024 | Amy Sullivan | Chief Financial Officer | Purchase | 10.3K | $0.83 | $8.5K |
| Dec 23, 2024 | Devin Whittemore Smith | General Counsel | Purchase | 12.0K | $0.81 | $9.7K |
| Jul 27, 2024 | Novo Holdings A/S | 10% Owner | Sale | 75.0K | $1.32 | $99.1K |
| May 15, 2024 | Novo Holdings A/S | 10% Owner | Sale | 658.8K | $1.22 | $802.5K |
| Feb 14, 2024 | Novo Holdings A/S | 10% Owner | Sale | 658.8K | $1.50 | $988.4K |
| Nov 24, 2023 | Brian Burkavage | Chief Accounting Officer | Purchase | 10.0K | $1.01 | $10.1K |
| Aug 11, 2023 | Novo Holdings A/S | 10% Owner | Purchase | 2.5M | $2.03 | $5.0M |
| Aug 10, 2023 | Vivo Capital IX, LLC | 10% Owner | Purchase | 3.2M | $1.90 | $6.0M |
| Mar 20, 2023 | Amy Sullivan | Chief Financial Officer | Purchase | 25.0K | $2.32 | $58.0K |
| Nov 12, 2021 | HBM Healthcare Investments (Cayman) Ltd. | 10% Owner | Purchase | 325.0K | $14.00 | $4.5M |
| Nov 12, 2021 | Vanessa Malier | Director | Purchase | 325.0K | $14.00 | $4.5M |
| Nov 12, 2021 | Vivo Capital IX, LLC | 10% Owner | Purchase | 650.0K | $14.00 | $9.1M |
| Nov 12, 2021 | Claus A. Andersson | Director | Purchase | 75.0K | $14.00 | $1.1M |
| Nov 12, 2021 | Lundbeckfond Invest A/S | 10% Owner | Purchase | 2.1M | $14.00 | $30.0M |
| Nov 12, 2021 | Jack Nielsen | Director | Purchase | 650.0K | $14.00 | $9.1M |
| Nov 11, 2021 | Novo Holdings A/S | 10% Owner | Purchase | 325.0K | $14.00 | $4.5M |
Showing the 19 most recent of 19 Form 4 filings for IO Biotech, Inc..
Most active IOBTQ insiders
- Novo Holdings A/S5 filings
- Amy Sullivan2 filings
- Vivo Capital IX, LLC2 filings
- Brian Burkavage1 filing
- Claus A. Andersson1 filing
Ask anything about IOBTQ insider activity
Use Trabud's AI agent to query IO Biotech, Inc.'s Form 4 history in plain English — "Show me IOBTQ CEO purchases this year" or compare it against any other ticker.
Open the AI agentIOBTQ insider trading FAQ
Are IO Biotech, Inc. insiders buying or selling?
Across 19 SEC Form 4 filings, IO Biotech, Inc. (IOBTQ) insiders reported 16 open-market purchases totaling $74.0M and 3 sales totaling $1.9M. That is a net buying position of $72.2M.
How many insiders trade IOBTQ stock?
13 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for IO Biotech, Inc.. The most recent filing was accepted on Jun 2, 2025.
Where does Trabud get IOBTQ insider trading data?
All IOBTQ 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.
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