As of April 11, 2026, the three largest insider holders of INBS are Science Biosensor Diagnostics Pty Ltd Life (Other, 108.18K shares), Harry Simeonidis (Chief Executive Officer, 34.54K shares), Spiro Kevin Sakiris (Chief Financial Officer, 33.98K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Science Biosensor Diagnostics Pty Ltd Life | - | 108,180 | 0 | 22 Feb, 2022 |
| Spiro Kevin Sakiris | Chief Financial Officer | 12,523 | 0 | 12 Oct, 2022 |
| Steven Constantine Boyages | Interim Ceo And Chairperson | 7,500 | 0 | 12 Oct, 2022 |
| Harry Simeonidis | Chief Executive Officer | 34,540 | 0 | 19 Mar, 2026 |
| Spiro Kevin Sakiris | Chief Financial Officer | 33,981 | 0 | 19 Mar, 2026 |
| Spiro Kevin Sakiris | Chief Financial Officer | 0 | 1,918 | 21 Mar, 2024 |
| Christopher Towers | - | 1,580 | 0 | 12 Oct, 2022 |
| George Margelis | - | 1,500 | 0 | 12 Oct, 2022 |
| Lawrence B Fisher | - | 1,500 | 0 | 12 Oct, 2022 |
| Christopher Towers | - | 988 | 0 | 06 Oct, 2023 |
| Tom Parmakellis | - | 930 | 0 | 03 Jan, 2022 |
| Steven Constantine Boyages | - | 5,031 | 0 | 19 Mar, 2026 |
| Jonathan Scott Hurd | - | 5,006 | 0 | 19 Mar, 2026 |
| Jason Isenberg | - | 5,000 | 0 | 19 Mar, 2026 |
| Nicola Marion Fraser | - | 5,000 | 0 | 19 Mar, 2026 |
| Spiro Kevin Sakiris | Chief Financial Officer | 0 | 475 | 11 Jul, 2023 |
| Harry Simeonidis | Ceo | 418 | 0 | 04 Sep, 2023 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 18 Mar, 2026 | Spiro Kevin Sakiris | Common Stock | A | 9,150 | $0.00 | 12,631 | D | A |
| 18 Mar, 2026 | Steven Constantine Boyages | Common Stock | A | 5,000 | $0.00 | 5,031 | D | A |
| 18 Mar, 2026 | Harry Simeonidis | Common Stock | A | 9,150 | $0.00 | 13,190 | D | A |
| 18 Mar, 2026 | Jason Isenberg | Common Stock | A | 5,000 | $0.00 | 5,000 | D | A |
| 18 Mar, 2026 | Jonathan Scott Hurd | Common Stock | A | 5,000 | $0.00 | 5,006 | D | A |
| 18 Mar, 2026 | Nicola Marion Fraser | Common Stock | A | 5,000 | $0.00 | 5,000 | D | A |
| 18 Mar, 2026 | Spiro Kevin Sakiris | Common Stock | A | 21,350 | $0.00 | 33,981 | D | A |
| 18 Mar, 2026 | Harry Simeonidis | Common Stock | A | 21,350 | $0.00 | 34,540 | D | A |
| 25 Sep, 2024 | Spiro Kevin Sakiris | Common Stock | A | 34,500 | $0.00 | 3,482 | D | A |
| 25 Sep, 2024 | Harry Simeonidis | Common Stock | A | 40,000 | $0.00 | 4,041 | D | A |
| 20 Mar, 2024 | Spiro Kevin Sakiris | Common Stock | A | 9,394 | - | 1,918 | I | X |
| 20 Mar, 2024 | Spiro Kevin Sakiris | Common Stock Warrants (Series F) | D | 9,394 | $0.00 | 0 | I | X |
| 04 Oct, 2023 | Christopher Towers | Common Stock | A | 9,090 | - | 988 | D | P |
| 04 Oct, 2023 | Christopher Towers | Common Stock Warrants (Series E) | A | 9,090 | - | 909 | D | P |
| 04 Oct, 2023 | Spiro Kevin Sakiris | Common Stock | A | 112,727 | - | 11,743 | I | P |
| 04 Oct, 2023 | Spiro Kevin Sakiris | Common Stock Warrants (Series E) | A | 112,727 | - | 11,273 | I | P |
| 04 Oct, 2023 | Christopher Towers | Common Stock Warrants (Series F) | A | 9,090 | - | 909 | D | P |
| 04 Oct, 2023 | Spiro Kevin Sakiris | Common Stock Warrants (Series F) | A | 112,727 | - | 11,273 | I | P |
| 31 Aug, 2023 | Harry Simeonidis | Common Stock, par value $0.01 per share | A | 100 | $1.92 | 413 | D | P |
| 01 Sep, 2023 | Harry Simeonidis | Common Stock, par value $0.01 per share | A | 50 | $1.85 | 418 | D | P |