IO Biotech, Inc.

Symbol: IOBT on Nasdaq
Entity: Company
Industry: Pharmaceutical Preparations (Office Of Life Sciences)
Business address: Ole Maaloes Veh 3, 2200 Copenhagen, Denmark
Phone: 4570702980
State of incorporation: DE
Fiscal year end: December 31
Category: Emerging growth company
All SEC filings: View on sec.gov

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IO Biotech, Inc. has filed 250 SEC EDGAR filings since 6/3/2021

Latest Filings

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
SCHEDULE 13D/A	Open Document	Open Filing		Aug 19, 2025		005-93023
10-Q	Open Document \| Data	Open Filing	10-Q	Aug 14, 2025	Jun 30, 2025	001-41008
8-K	Open Document \| Data	Open Filing	8-K	Aug 14, 2025	Aug 14, 2025	001-41008
8-K	Open Document \| Data	Open Filing	8-K	Aug 11, 2025	Aug 11, 2025	001-41008
EFFECT	Open Document	Open Filing		Jul 31, 2025		333-288936
CORRESP	Open Document	Open Filing		Jul 29, 2025
UPLOAD	Open Document	Open Filing		Jul 29, 2025		333-288936
S-3	Open Document	Open Filing	S-3	Jul 24, 2025		333-288936
8-K	Open Document \| Data	Open Filing	8-K	Jun 27, 2025	Jun 24, 2025	001-41008
8-K	Open Document \| Data	Open Filing	8-K	Jun 20, 2025	Jun 19, 2025	001-41008
EFFECT	Open Document	Open Filing		Jun 11, 2025		333-287554
CORRESP	Open Document	Open Filing		Jun 9, 2025
8-K	Open Document \| Data	Open Filing	8-K	Jun 9, 2025	Jun 5, 2025	001-41008
4	Open Document	Open Filing		Jun 6, 2025	Jun 5, 2025
4	Open Document	Open Filing		Jun 6, 2025	Jun 5, 2025
4	Open Document	Open Filing		Jun 6, 2025	Jun 5, 2025
4	Open Document	Open Filing		Jun 6, 2025	Jun 5, 2025
4	Open Document	Open Filing		Jun 6, 2025	Jun 5, 2025
4	Open Document	Open Filing		Jun 6, 2025	Jun 5, 2025
8-K	Open Document \| Data	Open Filing	8-K	Jun 4, 2025	Jun 3, 2025	001-41008
4	Open Document	Open Filing		Jun 2, 2025	May 30, 2025
UPLOAD	Open Document	Open Filing		May 29, 2025		333-287554
S-3	Open Document	Open Filing	S-3	May 23, 2025		333-287554
10-Q	Open Document \| Data	Open Filing	10-Q	May 14, 2025	Mar 31, 2025	001-41008
8-K	Open Document \| Data	Open Filing	8-K	May 14, 2025	May 14, 2025	001-41008
8-K	Open Document \| Data	Open Filing	8-K	Apr 30, 2025	Apr 24, 2025	001-41008
ARS	Open Document	Open Filing	ARS	Apr 25, 2025	Dec 31, 2024	001-41008
DEFA14A	Open Document	Open Filing	DEFA14A	Apr 25, 2025		001-41008
DEF 14A	Open Document \| Data	Open Filing	DEF 14A	Apr 25, 2025	Jun 5, 2025	001-41008
S-8	Open Document	Open Filing	S-8	Apr 7, 2025		333-286419
4	Open Document	Open Filing		Apr 4, 2025	Apr 2, 2025
4	Open Document	Open Filing		Apr 4, 2025	Apr 2, 2025
4	Open Document	Open Filing		Apr 4, 2025	Apr 2, 2025
4	Open Document	Open Filing		Apr 4, 2025	Apr 2, 2025
4	Open Document	Open Filing		Apr 4, 2025	Apr 2, 2025
10-K	Open Document \| Data	Open Filing	10-K	Mar 31, 2025	Dec 31, 2024	001-41008
8-K	Open Document \| Data	Open Filing	8-K	Mar 4, 2025	Mar 4, 2025	001-41008
SCHEDULE 13G/A	Open Document	Open Filing		Feb 14, 2025		005-93023
SCHEDULE 13G/A	Open Document	Open Filing		Feb 13, 2025		005-93023
8-K	Open Document \| Data	Open Filing	8-K	Dec 27, 2024	Dec 26, 2024	001-41008
4	Open Document	Open Filing		Dec 26, 2024	Dec 23, 2024
4	Open Document	Open Filing		Dec 23, 2024	Dec 23, 2024
4	Open Document	Open Filing		Dec 23, 2024	Dec 23, 2024
4	Open Document	Open Filing		Dec 23, 2024	Dec 23, 2024
8-K	Open Document \| Data	Open Filing	8-K	Dec 20, 2024	Dec 19, 2024	001-41008
8-K	Open Document \| Data	Open Filing	8-K	Dec 16, 2024	Dec 13, 2024	001-41008
SC 13G/A	Open Document	Open Filing		Nov 13, 2024		005-93023
10-Q	Open Document \| Data	Open Filing	10-Q	Nov 12, 2024	Sep 30, 2024	001-41008
8-K	Open Document \| Data	Open Filing	8-K	Nov 12, 2024	Nov 12, 2024	001-41008
SC 13D/A	Open Document	Open Filing	SC 13D/A	Sep 17, 2024		005-93023
144	Open Document	Open Filing		Sep 11, 2024		001-41008
8-K	Open Document \| Data	Open Filing	8-K	Aug 30, 2024	Aug 30, 2024	001-41008
10-Q	Open Document \| Data	Open Filing	10-Q	Aug 13, 2024	Jun 30, 2024	001-41008
UPLOAD	Open Document	Open Filing		Aug 13, 2024		001-41008
8-K	Open Document \| Data	Open Filing	8-K	Aug 13, 2024	Aug 13, 2024	001-41008
CORRESP	Open Document	Open Filing		Aug 9, 2024
UPLOAD	Open Document	Open Filing		Jul 30, 2024		001-41008
4	Open Document	Open Filing	4	Jul 26, 2024	Jul 25, 2024
144	Open Document	Open Filing		Jul 25, 2024		001-41008
8-K	Open Document \| Data	Open Filing	8-K	Jun 11, 2024	Jun 6, 2024	001-41008
4	Open Document	Open Filing		Jun 7, 2024	Jun 6, 2024
4	Open Document	Open Filing		Jun 7, 2024	Jun 6, 2024
4	Open Document	Open Filing		Jun 7, 2024	Jun 6, 2024
4	Open Document	Open Filing		Jun 7, 2024	Jun 6, 2024
4	Open Document	Open Filing		Jun 7, 2024	Jun 6, 2024
4	Open Document	Open Filing		Jun 7, 2024	Jun 6, 2024
SC 13G/A	Open Document	Open Filing	SC 13G/A	May 14, 2024		005-93023
4	Open Document	Open Filing	4	May 14, 2024	May 10, 2024
8-K	Open Document \| Data	Open Filing	8-K	May 14, 2024	May 14, 2024	001-41008
10-Q	Open Document \| Data	Open Filing	10-Q	May 14, 2024	Mar 31, 2024	001-41008
144	Open Document	Open Filing		May 10, 2024		001-41008
8-K	Open Document \| Data	Open Filing	8-K	Apr 26, 2024	Apr 24, 2024	001-41008
ARS	Open Document	Open Filing	ARS	Apr 24, 2024	Dec 31, 2023	001-41008
DEFA14A	Open Document	Open Filing	DEFA14A	Apr 24, 2024		001-41008
DEF 14A	Open Document	Open Filing	DEF 14A	Apr 24, 2024	Jun 6, 2024	001-41008
10-K/A	Open Document \| Data	Open Filing	10-K/A	Mar 22, 2024	Dec 31, 2023	001-41008
4	Open Document	Open Filing		Mar 18, 2024	Mar 15, 2024
4	Open Document	Open Filing		Mar 18, 2024	Mar 15, 2024
4	Open Document	Open Filing		Mar 18, 2024	Mar 15, 2024
4	Open Document	Open Filing		Mar 18, 2024	Mar 15, 2024
4	Open Document	Open Filing		Mar 18, 2024	Mar 15, 2024
S-8	Open Document	Open Filing	S-8	Mar 11, 2024		333-277826
10-K	Open Document \| Data	Open Filing	10-K	Mar 5, 2024	Dec 31, 2023	001-41008
8-K	Open Document \| Data	Open Filing	8-K	Mar 5, 2024	Mar 5, 2024	001-41008
SC 13G/A	Open Document	Open Filing	IO BIOTECH, INC.	Feb 14, 2024		005-93023
SC 13D/A	Open Document	Open Filing	SC 13D/A	Feb 13, 2024		005-93023
4	Open Document	Open Filing	FORM 4 SUBMISSION	Feb 13, 2024	Feb 9, 2024
SC 13G/A	Open Document	Open Filing		Feb 13, 2024		005-93023
SC 13G/A	Open Document	Open Filing		Feb 13, 2024		005-93023
SC 13G/A	Open Document	Open Filing	SC 13G/A	Feb 13, 2024		005-93023
144	Open Document	Open Filing		Feb 9, 2024		001-41008
8-K	Open Document \| Data	Open Filing	8-K	Jan 8, 2024	Jan 8, 2024	001-41008
SC 13G	Open Document	Open Filing	SC 13G	Dec 18, 2023		005-93023
4	Open Document	Open Filing		Nov 24, 2023	Nov 21, 2023
4	Open Document	Open Filing		Nov 17, 2023	Nov 15, 2023
3	Open Document	Open Filing		Nov 17, 2023	Nov 9, 2023
10-Q	Open Document \| Data	Open Filing	10-Q	Nov 13, 2023	Sep 30, 2023	001-41008
8-K	Open Document \| Data	Open Filing	8-K	Nov 13, 2023	Nov 9, 2023	001-41008
424B2	Open Document	Open Filing	424B2	Sep 12, 2023		333-274267
EFFECT	Open Document	Open Filing		Sep 8, 2023		333-274267
SC 13G	Open Document	Open Filing	SC 13G	Sep 7, 2023		005-93023
CORRESP	Open Document	Open Filing		Sep 6, 2023
UPLOAD	Open Document	Open Filing		Sep 6, 2023
S-3	Open Document	Open Filing	FORM S-3	Aug 30, 2023		333-274267
3	Open Document	Open Filing		Aug 21, 2023	Aug 9, 2023
SC 13G	Open Document	Open Filing		Aug 16, 2023		005-93023
4	Open Document	Open Filing		Aug 15, 2023	Aug 11, 2023
3	Open Document	Open Filing		Aug 15, 2023	Aug 11, 2023
SC 13G/A	Open Document	Open Filing	SC 13G/A	Aug 15, 2023		005-93023
SC 13G/A	Open Document	Open Filing	SC 13G/A	Aug 14, 2023		005-93023
SC 13D/A	Open Document	Open Filing	SC 13D/A	Aug 14, 2023		005-93023
4	Open Document	Open Filing		Aug 11, 2023	Aug 9, 2023
4	Open Document	Open Filing		Aug 11, 2023	Aug 9, 2023
SC 13D/A	Open Document	Open Filing	SC 13D/A	Aug 11, 2023		005-93023
4	Open Document	Open Filing	FORM 4 SUBMISSION	Aug 11, 2023	Aug 9, 2023
10-Q	Open Document \| Data	Open Filing	10-Q	Aug 11, 2023	Jun 30, 2023	001-41008
8-K	Open Document \| Data	Open Filing	8-K	Aug 11, 2023	Aug 7, 2023	001-41008
4	Open Document	Open Filing		Aug 10, 2023	Aug 9, 2023
4	Open Document	Open Filing		Aug 9, 2023	Aug 9, 2023
4	Open Document	Open Filing		Aug 9, 2023	Aug 9, 2023
4	Open Document	Open Filing		Aug 9, 2023	Aug 9, 2023
8-K	Open Document \| Data	Open Filing	8-K	Aug 7, 2023	Aug 7, 2023	001-41008
4	Open Document	Open Filing		Jul 19, 2023	Jul 17, 2023
3	Open Document	Open Filing		Jul 19, 2023	Jul 15, 2023
8-K	Open Document \| Data	Open Filing	8-K	Jul 18, 2023	Jul 15, 2023	001-41008
8-K	Open Document \| Data	Open Filing	8-K	Jun 14, 2023	Jun 14, 2023	001-41008
4	Open Document	Open Filing		Jun 13, 2023	Jun 8, 2023
4	Open Document	Open Filing		Jun 13, 2023	Jun 8, 2023
4	Open Document	Open Filing		Jun 13, 2023	Jun 8, 2023
4	Open Document	Open Filing		Jun 13, 2023	Jun 8, 2023
4	Open Document	Open Filing		Jun 13, 2023	Jun 8, 2023
8-K	Open Document \| Data	Open Filing	8-K	Jun 9, 2023	Jun 8, 2023	001-41008
10-Q	Open Document \| Data	Open Filing	10-Q	May 11, 2023	Mar 31, 2023	001-41008
8-K	Open Document \| Data	Open Filing	8-K	May 11, 2023	May 11, 2023	001-41008
ARS	Open Document	Open Filing	ARS	Apr 26, 2023	Dec 31, 2022	001-41008
DEFA14A	Open Document	Open Filing	DEFA14A	Apr 26, 2023		001-41008
DEF 14A	Open Document	Open Filing	DEF 14A	Apr 26, 2023	Jun 8, 2023	001-41008
8-K	Open Document \| Data	Open Filing	8-K	Apr 20, 2023	Apr 17, 2023	001-41008
PRE 14A	Open Document	Open Filing	PRE 14A	Apr 14, 2023	Jun 8, 2023	001-41008
4	Open Document	Open Filing		Mar 22, 2023	Mar 20, 2023
4	Open Document	Open Filing		Mar 22, 2023	Mar 20, 2023
4	Open Document	Open Filing		Mar 22, 2023	Mar 20, 2023
4	Open Document	Open Filing		Mar 22, 2023	Mar 20, 2023
4	Open Document	Open Filing		Mar 22, 2023	Mar 20, 2023
4	Open Document	Open Filing		Mar 20, 2023	Mar 17, 2023
10-K	Open Document \| Data	Open Filing	10-K	Mar 14, 2023	Dec 31, 2022	001-41008
8-K	Open Document \| Data	Open Filing	8-K	Mar 14, 2023	Mar 14, 2023	001-41008
8-K	Open Document \| Data	Open Filing	8-K	Mar 14, 2023	Mar 14, 2023	001-41008
8-K	Open Document \| Data	Open Filing	8-K	Mar 10, 2023	Mar 10, 2023	001-41008
8-K	Open Document \| Data	Open Filing	8-K	Feb 15, 2023	Feb 15, 2023	001-41008
424B2	Open Document	Open Filing	424B2	Feb 15, 2023		333-269569
SC 13G/A	Open Document	Open Filing	SC 13G/A	Feb 14, 2023		005-93023
SC 13G/A	Open Document	Open Filing	SC 13G/A	Feb 14, 2023		005-93023
SC 13G	Open Document	Open Filing		Feb 14, 2023		005-93023
EFFECT	Open Document	Open Filing		Feb 10, 2023		333-269569
CORRESP	Open Document	Open Filing		Feb 9, 2023
UPLOAD	Open Document	Open Filing		Feb 8, 2023
S-8	Open Document	Open Filing	S-8	Feb 6, 2023		333-269597
S-3	Open Document	Open Filing	S-3	Feb 3, 2023		333-269569
4	Open Document	Open Filing	FORM 4	Jan 13, 2023	Jan 12, 2023
3	Open Document	Open Filing	FORM 3	Jan 13, 2023	Jan 3, 2023
8-K	Open Document \| Data	Open Filing	8-K	Jan 9, 2023	Jan 9, 2023	001-41008
10-Q	Open Document \| Data	Open Filing	10-Q	Nov 9, 2022	Sep 30, 2022	001-41008
8-K	Open Document \| Data	Open Filing	8-K	Nov 9, 2022	Nov 9, 2022	001-41008
4	Open Document	Open Filing	FORM 4	Oct 19, 2022	Oct 17, 2022
3	Open Document	Open Filing	FORM 3	Oct 19, 2022	Oct 15, 2022
8-K	Open Document \| Data	Open Filing	8-K	Oct 13, 2022	Oct 13, 2022	001-41008
SC 13D/A	Open Document	Open Filing	SC 13D/A	Sep 30, 2022		005-93023
8-K	Open Document \| Data	Open Filing	8-K	Aug 11, 2022	Aug 11, 2022	001-41008
10-Q	Open Document \| Data	Open Filing	10-Q	Aug 11, 2022	Jun 30, 2022	001-41008
4	Open Document	Open Filing	FORM 4	Jun 2, 2022	May 31, 2022
4	Open Document	Open Filing	FORM 4	May 31, 2022	May 26, 2022
4	Open Document	Open Filing	FORM 4	May 31, 2022	May 26, 2022
4	Open Document	Open Filing	FORM 4	May 31, 2022	May 26, 2022
4	Open Document	Open Filing	FORM 4	May 31, 2022	May 26, 2022
4	Open Document	Open Filing	FORM 4	May 31, 2022	May 26, 2022
8-K	Open Document \| Data	Open Filing	8-K	May 26, 2022	May 25, 2022	001-41008
SC 13D/A	Open Document	Open Filing	SC 13D/A	May 26, 2022		005-93023
10-Q	Open Document \| Data	Open Filing	10-Q	May 16, 2022	Mar 31, 2022	001-41008
8-K	Open Document \| Data	Open Filing	8-K	May 16, 2022	May 16, 2022	001-41008
3	Open Document	Open Filing		May 13, 2022	May 11, 2022
8-K	Open Document \| Data	Open Filing	8-K	May 13, 2022	May 9, 2022	001-41008
SC 13G	Open Document	Open Filing	SC 13G	Apr 25, 2022		005-93023
8-K	Open Document \| Data	Open Filing	8-K	Apr 14, 2022	Apr 12, 2022	001-41008
DEFA14A	Open Document	Open Filing	DEFA14A	Apr 14, 2022		001-41008
DEF 14A	Open Document	Open Filing	DEF 14A	Apr 14, 2022	May 25, 2022	001-41008
10-K	Open Document \| Data	Open Filing	10-K	Mar 31, 2022	Dec 31, 2021	001-41008
8-K	Open Document \| Data	Open Filing	8-K	Mar 31, 2022	Mar 31, 2022	001-41008
8-K	Open Document \| Data	Open Filing	8-K	Mar 16, 2022	Mar 16, 2022	001-41008
4	Open Document	Open Filing	FORM 4	Mar 3, 2022	Mar 1, 2022
8-K	Open Document \| Data	Open Filing	8-K	Mar 3, 2022	Feb 28, 2022	001-41008
3	Open Document	Open Filing	FORM 3	Mar 3, 2022	Mar 1, 2022
SC 13G	Open Document	Open Filing	SCHEDULE 13G	Feb 11, 2022		005-93023
SC 13G	Open Document	Open Filing	IO BIOTECH, INC.	Feb 11, 2022		005-93023
S-8	Open Document	Open Filing	S-8	Feb 8, 2022		333-262587
10-Q	Open Document \| Data	Open Filing	10-Q	Dec 17, 2021	Sep 30, 2021	001-41008
8-K	Open Document	Open Filing	8-K	Dec 17, 2021	Dec 13, 2021	001-41008
8-K	Open Document	Open Filing	8-K	Dec 6, 2021	Nov 30, 2021	001-41008
SC 13G	Open Document	Open Filing	SC 13G	Nov 19, 2021		005-93023
SC 13D	Open Document	Open Filing	SC 13D	Nov 19, 2021		005-93023
SC 13G	Open Document	Open Filing	SCHEDULE 13G	Nov 12, 2021		005-93023
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Nov 12, 2021	Nov 9, 2021
4	Open Document	Open Filing	FORM 4	Nov 12, 2021	Nov 9, 2021
4	Open Document	Open Filing	FORM 4	Nov 12, 2021	Nov 9, 2021
4	Open Document	Open Filing	FORM 4	Nov 12, 2021	Nov 9, 2021
4	Open Document	Open Filing	FORM 4	Nov 12, 2021	Nov 9, 2021
4	Open Document	Open Filing	FORM 4	Nov 12, 2021	Nov 9, 2021
4	Open Document	Open Filing	FORM 4	Nov 12, 2021	Nov 9, 2021
4	Open Document	Open Filing	FORM 4 SUBMISSION	Nov 10, 2021	Nov 9, 2021
SC 13D	Open Document	Open Filing	SC 13D	Nov 10, 2021		005-93023
4	Open Document	Open Filing	FORM 4	Nov 8, 2021	Nov 4, 2021
4	Open Document	Open Filing	FORM 4	Nov 8, 2021	Nov 4, 2021
4	Open Document	Open Filing	FORM 4	Nov 8, 2021	Nov 4, 2021
4	Open Document	Open Filing	FORM 4	Nov 8, 2021	Nov 4, 2021
424B4	Open Document	Open Filing	424B4	Nov 8, 2021		333-260301
SEC STAFF LETTER	Open Document	Open Filing		Nov 5, 2021
FWP	Open Document	Open Filing	FWP	Nov 5, 2021		333-260301
EFFECT	Open Document	Open Filing		Nov 4, 2021		333-260301
S-1MEF	Open Document	Open Filing	S-1MEF	Nov 4, 2021		333-260796
3	Open Document	Open Filing	OWNERSHIP DOCUMENT	Nov 4, 2021	Nov 4, 2021
3	Open Document	Open Filing	FORM 3	Nov 4, 2021	Nov 4, 2021
3	Open Document	Open Filing	FORM 3	Nov 4, 2021	Nov 4, 2021
3	Open Document	Open Filing		Nov 4, 2021	Nov 4, 2021
3	Open Document	Open Filing	FORM 3	Nov 4, 2021	Nov 4, 2021
3	Open Document	Open Filing	FORM 3	Nov 4, 2021	Nov 4, 2021
3	Open Document	Open Filing	FORM 3	Nov 4, 2021	Nov 4, 2021
3	Open Document	Open Filing	FORM 3	Nov 4, 2021	Nov 4, 2021
3	Open Document	Open Filing	FORM 3	Nov 4, 2021	Nov 4, 2021
3	Open Document	Open Filing	FORM 3	Nov 4, 2021	Nov 4, 2021
3	Open Document	Open Filing	FORM 3	Nov 4, 2021	Nov 4, 2021
3	Open Document	Open Filing	FORM 3	Nov 4, 2021	Nov 4, 2021
3	Open Document	Open Filing	FORM 3	Nov 4, 2021	Nov 4, 2021
3	Open Document	Open Filing	FORM 3	Nov 4, 2021	Nov 4, 2021
3	Open Document	Open Filing	FORM 3	Nov 4, 2021	Nov 4, 2021
3	Open Document	Open Filing	FORM 3 SUBMISSION	Nov 4, 2021	Nov 4, 2021
CERT	Open Document	Open Filing		Nov 4, 2021		001-41008
8-A12B	Open Document	Open Filing	8-A12B	Nov 2, 2021		001-41008
CORRESP	Open Document	Open Filing		Nov 2, 2021
CORRESP	Open Document	Open Filing		Nov 2, 2021
SEC STAFF LETTER	Open Document	Open Filing		Nov 1, 2021
S-1/A	Open Document	Open Filing	S-1/A	Nov 1, 2021		333-260301
S-1/A	Open Document	Open Filing	S-1/A	Oct 26, 2021		333-260301
S-1	Open Document	Open Filing	S-1	Oct 15, 2021		333-260301
DRS/A	Open Document	Open Filing		Oct 6, 2021		377-04959
DRSLTR	Open Document	Open Filing		Oct 5, 2021
UPLOAD	Open Document	Open Filing		Aug 31, 2021
DRSLTR	Open Document	Open Filing		Aug 9, 2021
DRS/A	Open Document	Open Filing		Aug 9, 2021		377-04959
UPLOAD	Open Document	Open Filing		Jul 5, 2021
DRS	Open Document	Open Filing		Jun 3, 2021		377-04959