IOBT insider filings
IO Biotech, Inc. — 50 most recent insider filings (SEC Forms 3/4/5) from EDGAR, normalized by FilingPulse. Latest filing: 2025-06-06. Screen IOBT transaction legs live →
Insider transaction summary — last 90 days
No insider filings (Forms 3/4/5) for IOBT between 2026-07-10 and 2026-10-08. The table below lists the most recent filings on record.
Recent insider filings — IO Biotech, Inc.
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2025-06-06 | 4 | Hunter Heidi — Director | Grant/award (A): 35,144 (derivative) @ $0 | EDGAR |
| 2025-06-06 | 4 | Elling Christian E — Director | Grant/award (A): 35,144 (derivative) @ $0 | EDGAR |
| 2025-06-06 | 4 | Hirth Peter — Director | Grant/award (A): 35,144 (derivative) @ $0 | EDGAR |
| 2025-06-06 | 4 | Collins Helen Louise — Director | Grant/award (A): 35,144 (derivative) @ $0 | EDGAR |
| 2025-06-06 | 4 | Glaub Kathleen Sereda — Director | Grant/award (A): 35,144 (derivative) @ $0 | EDGAR |
| 2025-06-06 | 4 | Smith David V — Director | Grant/award (A): 35,144 (derivative) @ $0 | EDGAR |
| 2025-06-02 | 4 | Hunter Heidi — Director | Purchase (P): 15,000 @ $1.39 | EDGAR |
| 2025-04-04 | 4 | Zocca Mai-Britt — Chief Executive Officer, Director | Grant/award (A): 580,000 (derivative) @ $0 | EDGAR |
| 2025-04-04 | 4 | Sullivan Amy — Chief Financial Officer | Grant/award (A): 215,000 (derivative) @ $0 | EDGAR |
| 2025-04-04 | 4 | Burkavage Brian — Chief Accounting Officer | Grant/award (A): 65,000 (derivative) @ $0 | EDGAR |
| 2025-04-04 | 4 | Ahmad Qasim Iftikhar — Chief Medical Officer | Grant/award (A): 215,000 (derivative) @ $0 | EDGAR |
| 2025-04-04 | 4 | Smith Devin Whittemore — General Counsel | Grant/award (A): 140,000 (derivative) @ $0 | EDGAR |
| 2024-12-26 | 4 | Ahmad Qasim Iftikhar — Chief Medical Officer | Purchase (P): 31,350 @ $0.85 | EDGAR |
| 2024-12-23 | 4 | Zocca Mai-Britt — Chief Executive Officer, Director | Purchase (P): 12,500 @ $0.81 | EDGAR |
| 2024-12-23 | 4 | Sullivan Amy — Chief Financial Officer | Purchase (P): 10,250 @ $0.83 | EDGAR |
| 2024-12-23 | 4 | Smith Devin Whittemore — General Counsel | Purchase (P): 12,000 @ $0.81 | EDGAR |
| 2024-07-26 | 4 | Novo Holdings A/S — 10% owner | Sale (S): 51,522 @ $1.33 · Sale (S): 23,478 @ $1.31 | EDGAR |
| 2024-06-07 | 4 | Hunter Heidi — Director | Grant/award (A): 45,642 (derivative) @ $0 | EDGAR |
| 2024-06-07 | 4 | Elling Christian E — Director | Grant/award (A): 45,642 (derivative) @ $0 | EDGAR |
| 2024-06-07 | 4 | Hirth Peter — Director | Grant/award (A): 45,642 (derivative) @ $0 | EDGAR |
| 2024-06-07 | 4 | Collins Helen Louise — Director | Grant/award (A): 45,642 (derivative) @ $0 | EDGAR |
| 2024-06-07 | 4 | Glaub Kathleen Sereda — Director | Grant/award (A): 45,642 (derivative) @ $0 | EDGAR |
| 2024-06-07 | 4 | Smith David V — Director | Grant/award (A): 45,642 (derivative) @ $0 | EDGAR |
| 2024-05-14 | 4 | Novo Holdings A/S — 10% owner | Sale (S): 658,809 @ $1.22 | EDGAR |
| 2024-03-18 | 4 | Zocca Mai-Britt — Chief Executive Officer, Director | Grant/award (A): 750,000 (derivative) @ $0 | EDGAR |
| 2024-03-18 | 4 | Sullivan Amy — Chief Financial Officer | Grant/award (A): 280,000 (derivative) @ $0 | EDGAR |
| 2024-03-18 | 4 | Burkavage Brian — Chief Accounting Officer | Grant/award (A): 50,000 (derivative) @ $0 | EDGAR |
| 2024-03-18 | 4 | Ahmad Qasim Iftikhar — Chief Medical Officer | Grant/award (A): 280,000 (derivative) @ $0 | EDGAR |
| 2024-03-18 | 4 | Smith Devin Whittemore — General Counsel | Grant/award (A): 185,000 (derivative) @ $0 | EDGAR |
| 2024-02-13 | 4 | Novo Holdings A/S — 10% owner | Sale (S): 658,809 @ $1.50 | EDGAR |
| 2023-11-24 | 4 | Burkavage Brian — Chief Accounting Officer | Purchase (P): 5,000 @ $0.99 · Purchase (P): 5,000 @ $1.03 | EDGAR |
| 2023-11-17 | 4 | Collins Helen Louise — Director | Grant/award (A): 64,238 (derivative) @ $0 | EDGAR |
| 2023-08-15 | 4 | Hunter Heidi — Director | Grant/award (A): 64,238 (derivative) @ $0 | EDGAR |
| 2023-08-11 | 4 | Elling Christian E — Director, 10% owner | Grant/award (A): 7,901,234 @ $1.90 · Grant/award (A): 7,901,234 (derivative) @ $0.12 | EDGAR |
| 2023-08-11 | 4 | Lundbeckfond Invest A/S — Director, 10% owner | Grant/award (A): 7,901,234 @ $1.90 · Grant/award (A): 7,901,234 (derivative) @ $0.12 | EDGAR |
| 2023-08-11 | 4 | Novo Holdings A/S — 10% owner | Purchase (P): 2,469,135 @ $2.02 · Purchase (P): 2,469,135 (derivative) @ $2.02 | EDGAR |
| 2023-08-10 | 4 | Vivo Capital IX, LLC — 10% owner Vivo Capital Fund IX, L.P. — 10% owner Vivo Opportunity, LLC — 10% owner Vivo Opportunity Fund Holdings, L.P. — 10% owner | Purchase (P): 3,157,894 @ $1.90 · Purchase (P): 3,157,894 (derivative) @ $0.12 | EDGAR |
| 2023-08-09 | 4 | Zocca Mai-Britt — Chief Executive Officer, Director | Grant/award (A): 37,037 @ $1.90 · Grant/award (A): 37,037 (derivative) @ $0.12 | EDGAR |
| 2023-08-09 | 4 | Sullivan Amy — Chief Financial Officer | Grant/award (A): 49,382 @ $1.90 · Grant/award (A): 49,382 (derivative) @ $0.12 | EDGAR |
| 2023-08-09 | 4 | Smith Devin Whittemore — General Counsel | Grant/award (A): 4,938 @ $1.90 · Grant/award (A): 4,938 (derivative) @ $0.12 | EDGAR |
| 2023-07-19 | 4 | Ahmad Qasim Iftikhar — Chief Medical Officer | Grant/award (A): 288,153 (derivative) @ $0 | EDGAR |
| 2023-06-13 | 4 | Elling Christian E — Director | Grant/award (A): 41,533 (derivative) @ $0 | EDGAR |
| 2023-06-13 | 4 | Hirth Peter — Director | Grant/award (A): 41,533 (derivative) @ $0 | EDGAR |
| 2023-06-13 | 4 | Glaub Kathleen Sereda — Director | Grant/award (A): 41,533 (derivative) @ $0 | EDGAR |
| 2023-06-13 | 4 | Nielsen Jack — Director | Grant/award (A): 41,533 (derivative) @ $0 | EDGAR |
| 2023-06-13 | 4 | Smith David V — Director | Grant/award (A): 41,533 (derivative) @ $0 | EDGAR |
| 2023-03-22 | 4 | Zocca Mai-Britt — Chief Executive Officer, Director | Grant/award (A): 500,000 (derivative) @ $0 | EDGAR |
| 2023-03-22 | 4 | Sullivan Amy — Chief Financial Officer | Grant/award (A): 55,000 (derivative) @ $0 | EDGAR |
| 2023-03-22 | 4 | Burkavage Brian — Chief Accounting Officer | Grant/award (A): 50,000 (derivative) @ $0 | EDGAR |
| 2023-03-22 | 4 | Ehrnrooth Eva — Chief Medical Officer | Grant/award (A): 120,000 (derivative) @ $0 | EDGAR |
Recent 8-K events — IO Biotech, Inc.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-03-31 | 8-K | 1.03 — Bankruptcy or Receivership 2.04 — Triggering Events That Accelerate or Increase a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 8.01 — Other Events | EDGAR |
| 2026-02-13 | 8-K | 3.01 — Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing | EDGAR |
| 2026-01-30 | 8-K | ? 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-01-21 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-12-19 | 8-K | 3.01 — Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing | EDGAR |
| 2025-11-21 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2025-11-18 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-11-14 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-09-29 | 8-K | ? 7.01 — Regulation FD Disclosure 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-08-14 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
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