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United States

IO Biotech Inc (IOBT)

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Ticker: IOBT Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Hunter Heidi
1 purchase — total 20,885 USD
Buy 30 May 2025
Value US$3,072,250.56 | Price 187.15 | Shares 47,097
Buy 23 Dec 2024
Value US$1,790,197.67 | Price 424.62 | Shares 56,045
Buy 23 Dec 2024
Value US$9,720.00 | Price 0.81 | Shares 12,000
Buy 23 Dec 2024
Value US$8,482.90 | Price 0.83 | Shares 10,250
Buy 23 Dec 2024
Value US$10,120.00 | Price 0.81 | Shares 12,500
Proposed sale 11 Sep 2024
Value US$844,000.00 | Price 0.84 | Shares 1,000,000
Sale 26 Jul 2024
Value US$30,786.70 | Price 1.31 | Shares 23,478
Sale 25 Jul 2024
Value US$68,338.78 | Price 1.33 | Shares 51,522
Proposed sale 25 Jul 2024
Value US$101,250.00 | Price 1.35 | Shares 75,000
Sale 10 May 2024
Value US$802,495.24 | Price 1.22 | Shares 658,809
Proposed sale 10 May 2024
Value US$988,213.50 | Price 1.50 | Shares 658,809
Sale 9 Feb 2024
Value US$988,411.14 | Price 1.50 | Shares 658,809
Proposed sale 9 Feb 2024
Value US$1,218,796.65 | Price 1.85 | Shares 658,809
Buy 22 Nov 2023
Value US$5,175.00 | Price 1.04 | Shares 5,000
Buy 21 Nov 2023
Value US$4,950.00 | Price 0.99 | Shares 5,000
Buy 9 Aug 2023
Value US$4,999,998.38 | Price 2.03 | Shares 2,469,135
Buy 9 Aug 2023
Value US$5,999,998.60 | Price 1.90 | Shares 3,157,894
Buy 17 Mar 2023
Value US$58,017.50 | Price 2.32 | Shares 25,000
Buy 9 Nov 2021
Value US$1,050,000.00 | Price 14.00 | Shares 75,000
Buy 9 Nov 2021
Value US$9,100,000.00 | Price 14.00 | Shares 650,000
Buy 9 Nov 2021
Value US$29,999,998.00 | Price 14.00 | Shares 2,142,857
Buy 9 Nov 2021
Value US$4,550,000.00 | Price 14.00 | Shares 325,000
Buy 9 Nov 2021
Value US$9,100,000.00 | Price 14.00 | Shares 650,000
Buy 9 Nov 2021
Value US$2,275,000.00 | Price 14.00 | Shares 162,500
Buy 9 Nov 2021
Value US$2,275,000.00 | Price 14.00 | Shares 162,500
Buy 9 Nov 2021
Value US$4,550,000.00 | Price 14.00 | Shares 325,000
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2025-06-02 2025-05-30 B Purchase
1.6
Hunter Heidi
Non-Executive Director
47,097 +37.0%
187.15
US$3,072,251 		47,097 +37.0% 187.15 US$3,072,251
2024-12-26 2024-12-23 B Purchase
3.0
Ahmad Qasim Iftikhar

Chief Medical Officer

Officer
56,045 -23.2%
424.62
US$1,790,198 		56,045 -23.2% 424.62 US$1,790,198
2024-12-23 2024-12-23 B Purchase
3.1
Smith Devin Whittemore

General Counsel

Officer
6,545 +41.1%
20.17
US$3,494,388 		6,545 +41.1% 20.17 US$3,494,388
2024-12-23 2024-12-23 B Purchase
1.6
Sullivan Amy

Chief Financial Officer

Officer
10,250 +13.8%
0.83
US$8,483 		10,250 +13.8% 0.83 US$8,483
2024-12-23 2024-12-23 B Purchase
3.1
Zocca Mai-Britt

Chief Executive Officer

Executive Director
12,500 +33.4%
0.81
US$10,120 		12,500 +33.4% 0.81 US$10,120
2024-09-11 2024-09-11 PrS Proposed sale
2.3
Novo Holdings A/S

Stockholder

Large shareholder
1,000,000
0.84
US$844,000 		1,000,000 0.84 US$844,000
2024-07-26 2024-07-26 S Sale
2.3
Novo Holdings A/S
Large shareholder
23,478 -0.5%
1.31
US$30,787 		23,478 -0.5% 1.31 US$30,787
2024-07-26 2024-07-25 S Sale
2.3
Novo Holdings A/S
Large shareholder
51,522 -1.2%
1.33
US$68,339 		51,522 -1.2% 1.33 US$68,339
2024-07-25 2024-07-25 PrS Proposed sale
2.3
Novo Holdings A/S

10% Stockholder

Large shareholder
75,000
1.35
US$101,250 		75,000 1.35 US$101,250
2024-05-14 2024-05-10 S Sale
2.3
Novo Holdings A/S
Large shareholder
658,809 -12.9%
1.22
US$802,495 		658,809 -12.9% 1.22 US$802,495
2024-05-10 2024-05-10 PrS Proposed sale
2.3
Novo Holdings A/S

10% Stockholder

Large shareholder
658,809
1.50
US$988,214 		658,809 1.50 US$988,214
2024-02-13 2024-02-09 S Sale
2.3
Novo Holdings A/S
Large shareholder
658,809 -11.5%
1.50
US$988,411 		658,809 -11.5% 1.50 US$988,411
2024-02-09 2024-02-09 PrS Proposed sale
2.3
Novo Holdings A/S

10% Stockholder

Large shareholder
658,809
1.85
US$1,218,797 		658,809 1.85 US$1,218,797
2023-11-24 2023-11-22 B Purchase
3.6
Burkavage Brian

Chief Accounting Officer

Officer
5,000 +76.9%
1.04
US$5,175 		5,000 +76.9% 1.04 US$5,175
2023-11-24 2023-11-21 B Purchase
3.6
Burkavage Brian

Chief Accounting Officer

Officer
5,000 +333.3%
0.99
US$4,950 		5,000 +333.3% 0.99 US$4,950
2023-08-11 2023-08-09 B Purchase
2.3
Novo Holdings A/S
Large shareholder
2,469,135 +76.2%
2.03
US$4,999,998 		2,469,135 +76.2% 2.03 US$4,999,998
2023-08-10 2023-08-09 B Purchase
1.5
Vivo Capital IX, LLC
Large shareholder
3,157,894 +inf%
1.90
US$5,999,999 		3,157,894 +inf% 1.90 US$5,999,999
2023-03-20 2023-03-17 B Purchase
1.6
Sullivan Amy

Chief Financial Officer

Officer
25,000 +inf%
2.32
US$58,018 		25,000 +inf% 2.32 US$58,018
2021-11-12 2021-11-09 B Purchase
0.5
Andersson Claus A.
Non-Executive Director
75,000 +4.4%
14.00
US$1,050,000 		75,000 +4.4% 14.00 US$1,050,000
2021-11-12 2021-11-09 B Purchase
2.3
Nielsen Jack
Non-Executive Director
650,000 +27.5%
14.00
US$9,100,000 		650,000 +27.5% 14.00 US$9,100,000
2021-11-12 2021-11-09 B Purchase
1.7
Lundbeckfond Invest A/S
Large shareholder
2,142,857 +54.9%
14.00
US$29,999,998 		2,142,857 +54.9% 14.00 US$29,999,998
2021-11-12 2021-11-09 B Purchase
0.5
HBM Healthcare Investments (Cayman) Ltd.
Large shareholder
325,000 +13.7%
14.00
US$4,550,000 		325,000 +13.7% 14.00 US$4,550,000
2021-11-12 2021-11-09 B Purchase
1.5
Vivo Capital IX, LLC
Large shareholder
650,000 +27.5%
14.00
US$9,100,000 		650,000 +27.5% 14.00 US$9,100,000
2021-11-12 2021-11-09 B Purchase
0.5
Malier Vanessa
Non-Executive Director
162,500 +60.6%
14.00
US$2,275,000 		162,500 +60.6% 14.00 US$2,275,000
2021-11-12 2021-11-09 B Purchase
0.5
Malier Vanessa
Non-Executive Director
162,500 +20.4%
14.00
US$2,275,000 		162,500 +20.4% 14.00 US$2,275,000
2021-11-10 2021-11-09 B Purchase
2.3
Novo Holdings A/S
Large shareholder
325,000 +11.0%
14.00
US$4,550,000 		325,000 +11.0% 14.00 US$4,550,000
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