IO Biotech, Inc. (IOBT)

Latest Insider Confidence Score

2025Q4

50.4
Bullish

Company insider confidence (by quarter)

2021Q4 2025Q4

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Lundbeckfond Invest A/S 10% Owner 7,901,234 Aug 11, 2023
Kurma Partners 6,821,133 Aug 21, 2023
Novo A/S 10% Owner 4,354,449 Jul 26, 2024
Vivo Opportunity, LLC 10% Owner 3,015,545 Aug 10, 2023
Vivo Opportunity Fund Holdings, L.P. 10% Owner 3,015,545 Aug 10, 2023

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Jun 5, 2025 Jun 6, 2025 Smith David V Director Neutral 52.5 - 0.00% -
Jun 5, 2025 Jun 6, 2025 Hunter Heidi Director Neutral 52.5 - 0.00% -
Jun 5, 2025 Jun 6, 2025 Hirth Peter Director Neutral 52.5 - 0.00% -
Jun 5, 2025 Jun 6, 2025 Glaub Kathleen Sereda Director Neutral 52.5 - 0.00% -
Jun 5, 2025 Jun 6, 2025 Elling Christian E Director Neutral 52.5 - 0.00% -
Jun 5, 2025 Jun 6, 2025 Collins Helen Louise Director Neutral 52.5 - 0.00% -
May 30, 2025 Jun 2, 2025 Hunter Heidi Director Buy 91.3 +15,000 100.00% $20.9K
Apr 2, 2025 Apr 4, 2025 Zocca Mai-Britt CEO Neutral 52.5 - 0.00% -
Apr 2, 2025 Apr 4, 2025 Sullivan Amy CFO Neutral 52.5 - 0.00% -
Apr 2, 2025 Apr 4, 2025 Smith Devin Whittemore General Counsel Neutral 52.5 - 0.00% -
Apr 2, 2025 Apr 4, 2025 Burkavage Brian Chief Accounting Officer Neutral 52.5 - 0.00% -
Apr 2, 2025 Apr 4, 2025 Ahmad Qasim Iftikhar Chief Medical Officer Neutral 52.5 - 0.00% -
Dec 23, 2024 Dec 26, 2024 Ahmad Qasim Iftikhar Chief Medical Officer Buy 91.3 +31,350 100.00% $26.6K
Dec 23, 2024 Dec 23, 2024 Zocca Mai-Britt CEO Buy 91.3 +12,500 19.54% $10.1K
Dec 23, 2024 Dec 23, 2024 Sullivan Amy CFO Buy 90.0 +10,250 13.78% $8.5K
Dec 23, 2024 Dec 23, 2024 Smith Devin Whittemore General Counsel Buy 90.0 +12,000 243.01% $9.7K
Jul 25, 2024 Jul 26, 2024 Novo Holdings A/S 10% Owner Sell 22.5 -75,000 -1.69% $99.1K
Jun 6, 2024 Jun 7, 2024 Smith David V Director Neutral 52.5 - 0.00% -
Jun 6, 2024 Jun 7, 2024 Hunter Heidi Director Neutral 52.5 - 0.00% -
Jun 6, 2024 Jun 7, 2024 Hirth Peter Director Neutral 52.5 - 0.00% -
Jun 6, 2024 Jun 7, 2024 Glaub Kathleen Sereda Director Neutral 52.5 - 0.00% -
Jun 6, 2024 Jun 7, 2024 Elling Christian E Director Neutral 52.5 - 0.00% -
Jun 6, 2024 Jun 7, 2024 Collins Helen Louise Director Neutral 52.5 - 0.00% -
May 10, 2024 May 14, 2024 Novo Holdings A/S 10% Owner Sell 20.0 -658,809 -12.95% $802.5K
Mar 15, 2024 Mar 18, 2024 Zocca Mai-Britt CEO Neutral 52.5 - 0.00% -
Mar 15, 2024 Mar 18, 2024 Sullivan Amy CFO Neutral 52.5 - 0.00% -
Mar 15, 2024 Mar 18, 2024 Smith Devin Whittemore General Counsel Neutral 52.5 - 0.00% -
Mar 15, 2024 Mar 18, 2024 Burkavage Brian Chief Accounting Officer Neutral 52.5 - 0.00% -
Mar 15, 2024 Mar 18, 2024 Ahmad Qasim Iftikhar Chief Medical Officer Neutral 52.5 - 0.00% -
Feb 9, 2024 Feb 13, 2024 Novo Holdings A/S 10% Owner Sell 20.0 -658,809 -11.46% $988.4K
Nov 21, 2023 Nov 24, 2023 Burkavage Brian Chief Accounting Officer Buy 91.3 +10,000 666.67% $10.1K
Nov 15, 2023 Nov 17, 2023 Collins Helen Louise Director Neutral 52.5 - 0.00% -
Nov 17, 2023 Collins Helen Louise Director Neutral 52.5 - 0.00% -
Aug 21, 2023 Kurma Partners 10% Owner Neutral 52.5 - 0.00% -
Aug 11, 2023 Aug 15, 2023 Hunter Heidi Director Neutral 52.5 - 0.00% -
Aug 15, 2023 Hunter Heidi Director Neutral 52.5 - 0.00% -
Aug 9, 2023 Aug 11, 2023 Elling Christian E Director Neutral 90.0 +7,901,234 130.61% -
Aug 9, 2023 Aug 11, 2023 Lundbeckfond Invest A/S Director Neutral 90.0 +7,901,234 130.61% -
Aug 9, 2023 Aug 11, 2023 Novo Holdings A/S 10% Owner Buy 100.0 +2,469,135 76.25% $5M
Aug 9, 2023 Aug 10, 2023 Vivo Capital IX, LLC 10% Owner Buy 100.0 +3,157,894 104.72% $6M
Aug 9, 2023 Aug 9, 2023 Zocca Mai-Britt CEO Neutral 90.0 +37,037 137.51% -
Aug 9, 2023 Aug 9, 2023 Sullivan Amy CFO Neutral 90.0 +49,382 197.53% -
Aug 9, 2023 Aug 9, 2023 Smith Devin Whittemore General Counsel Neutral 90.0 +4,938 100.00% -
Jul 17, 2023 Jul 19, 2023 Ahmad Qasim Iftikhar Chief Medical Officer Neutral 52.5 - 0.00% -
Jul 19, 2023 Ahmad Qasim Iftikhar Chief Medical Officer Neutral 52.5 - 0.00% -
Jun 8, 2023 Jun 13, 2023 Smith David V Director Neutral 52.5 - 0.00% -
Jun 8, 2023 Jun 13, 2023 Nielsen Jack Director Neutral 52.5 - 0.00% -
Jun 8, 2023 Jun 13, 2023 Hirth Peter Director Neutral 52.5 - 0.00% -
Jun 8, 2023 Jun 13, 2023 Glaub Kathleen Sereda Director Neutral 52.5 - 0.00% -
Jun 8, 2023 Jun 13, 2023 Elling Christian E Director Neutral 52.5 - 0.00% -
Mar 20, 2023 Mar 22, 2023 Al-Hajj Muhammad Chief Scientific Officer Neutral 52.5 - 0.00% -
Mar 20, 2023 Mar 22, 2023 Zocca Mai-Britt CEO Neutral 52.5 - 0.00% -
Mar 20, 2023 Mar 22, 2023 Sullivan Amy CFO Neutral 52.5 - 0.00% -
Mar 20, 2023 Mar 22, 2023 Burkavage Brian Chief Accounting Officer Neutral 52.5 - 0.00% -
Mar 20, 2023 Mar 22, 2023 Ehrnrooth Eva Chief Medical Officer Neutral 52.5 - 0.00% -
Mar 17, 2023 Mar 20, 2023 Sullivan Amy CFO Buy 95.0 +25,000 100.00% $58K
Jan 12, 2023 Jan 13, 2023 Smith Devin Whittemore General Counsel Neutral 52.5 - 0.00% -
Jan 13, 2023 Smith Devin Whittemore General Counsel Neutral 52.5 - 0.00% -
Oct 17, 2022 Oct 19, 2022 Sullivan Amy CFO Neutral 52.5 - 0.00% -
Oct 19, 2022 Sullivan Amy CFO Neutral 52.5 - 0.00% -
May 31, 2022 Jun 2, 2022 Burkavage Brian Chief Accounting Officer Neutral 52.5 - 0.00% -
May 26, 2022 May 31, 2022 Hirth Peter Director Neutral 52.5 - 0.00% -
May 26, 2022 May 31, 2022 Smith David V Director Neutral 52.5 - 0.00% -
May 26, 2022 May 31, 2022 Glaub Kathleen Sereda Director Neutral 52.5 - 0.00% -
May 26, 2022 May 31, 2022 Elling Christian E Director Neutral 52.5 - 0.00% -
May 26, 2022 May 31, 2022 Nielsen Jack Director Neutral 52.5 - 0.00% -
May 13, 2022 Burkavage Brian Chief Accounting Officer Neutral 52.5 - 0.00% -
Mar 1, 2022 Mar 3, 2022 Smith David V Director Neutral 52.5 - 0.00% -
Mar 3, 2022 Smith David V Director Neutral 52.5 - 0.00% -
Nov 9, 2021 Nov 12, 2021 HBM Healthcare Investments (Cayman) Ltd. 10% Owner Buy 100.0 +325,000 13.74% $4.6M
Nov 9, 2021 Nov 12, 2021 Malier Vanessa Director Buy 100.0 +325,000 30.54% $4.6M
Nov 9, 2021 Nov 12, 2021 Vivo Capital IX, LLC 10% Owner Buy 100.0 +650,000 27.48% $9.1M
Nov 9, 2021 Nov 12, 2021 Andersson Claus A. Director Buy 92.5 +75,000 4.37% $1.1M
Nov 9, 2021 Nov 12, 2021 Zocca Mai-Britt CEO Neutral 52.5 - 0.00% -
Nov 9, 2021 Nov 12, 2021 Lundbeckfond Invest A/S 10% Owner Buy 100.0 +2,142,857 54.85% $30M
Nov 9, 2021 Nov 12, 2021 Nielsen Jack Director Buy 100.0 +650,000 27.48% $9.1M
Nov 9, 2021 Nov 10, 2021 Novo Holdings A/S 10% Owner Buy 100.0 +325,000 11.01% $4.6M
Nov 4, 2021 Nov 8, 2021 Glaub Kathleen Sereda Director Neutral 52.5 - 0.00% -
Nov 4, 2021 Nov 8, 2021 Vendola Keith A. CFO Neutral 52.5 - 0.00% -
Nov 4, 2021 Nov 8, 2021 Hirth Peter Director Neutral 52.5 - 0.00% -
Nov 4, 2021 Nov 8, 2021 Zocca Mai-Britt CEO Neutral 52.5 - 0.00% -
Nov 4, 2021 HBM Healthcare Investments (Cayman) Ltd. 10% Owner Neutral 52.5 - 0.00% -
Nov 4, 2021 Zocca Mai-Britt CEO Neutral 52.5 - 0.00% -
Nov 4, 2021 Al-Hajj Muhammad Chief Scientific Officer Neutral 52.5 - 0.00% -
Nov 4, 2021 Vivo Capital IX, LLC 10% Owner Neutral 52.5 - 0.00% -
Nov 4, 2021 Vendola Keith A. CFO Neutral 52.5 - 0.00% -
Nov 4, 2021 Nielsen Jack Director Neutral 52.5 - 0.00% -
Nov 4, 2021 Malier Vanessa Director Neutral 52.5 - 0.00% -
Nov 4, 2021 Lundbeckfond Invest A/S 10% Owner Neutral 52.5 - 0.00% -
Nov 4, 2021 Hirth Peter Director Neutral 52.5 - 0.00% -
Nov 4, 2021 Glaub Kathleen Sereda Director Neutral 52.5 - 0.00% -
Nov 4, 2021 Elling Christian E Director Neutral 52.5 - 0.00% -
Nov 4, 2021 Ehrnrooth Eva Chief Medical Officer Neutral 52.5 - 0.00% -
Nov 4, 2021 Coutanceau Emmanuelle Director Neutral 52.5 - 0.00% -
Nov 4, 2021 Belawat Priyanka Director Neutral 52.5 - 0.00% -
Nov 4, 2021 Andersson Claus A. Director Neutral 52.5 - 0.00% -
Nov 4, 2021 Novo Holdings A/S 10% Owner Neutral 52.5 - 0.00% -