As of April 17, 2026, the three largest insider holders of OTLK are Ghiath M. Sukhtian (Director, 70.05Mn shares), Faisal Ghiath Sukhtian (Director, 55.82Mn shares), Arun Kumar Pillai (Director, 22.98Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Ghiath M. Sukhtian | - | 0 | 70,047,204 | 29 Dec, 2022 |
| Faisal Ghiath Sukhtian | - | 0 | 55,816,786 | 22 Apr, 2022 |
| Pte Ltd. Biolexis | - | 22,982,529 | 0 | 22 Apr, 2022 |
| Arun Kumar Pillai | - | 0 | 22,982,529 | 01 Feb, 2022 |
| Ghiath M. Sukhtian | - | 0 | 13,552,359 | 28 May, 2025 |
| Ventures Llc Syntone | - | 1,705,438 | 0 | 17 Apr, 2024 |
| Jeff Evanson | Chief Commercial Officer | 808,459 | 0 | 11 Mar, 2024 |
| Terry Dagnon | Chief Operations Officer | 653,058 | 0 | 21 Apr, 2023 |
| Kurt J Hilzinger | - | 473,117 | 0 | 05 Oct, 2022 |
| Faisal Ghiath Sukhtian | - | 68,000 | 0 | 11 Oct, 2022 |
| C Russell Iii Trenary | Ceo And President | 54,925 | 0 | 23 Jun, 2022 |
| Lawrence A Kenyon | Chief Financial Officer | 5,946 | 0 | 30 Sep, 2024 |
| Yezan Munther Haddadin | - | 5,049 | 0 | 29 Mar, 2024 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 01 Oct, 2025 | Faisal Ghiath Sukhtian | Stock Option (Right to Buy) | A | 286,734 | $0.00 | 286,734 | D | A |
| 01 Oct, 2025 | Andong Huang | Stock Option (Right to Buy) | A | 286,734 | $0.00 | 286,734 | D | A |
| 01 Oct, 2025 | Julian S Gangolli | Stock Option (Right to Buy) | A | 286,734 | $0.00 | 286,734 | D | A |
| 01 Oct, 2025 | Gerd Auffarth | Stock Option (Right to Buy) | A | 286,734 | $0.00 | 286,734 | D | A |
| 01 Oct, 2025 | Yezan Munther Haddadin | Stock Option (Right to Buy) | A | 286,734 | $0.00 | 286,734 | D | A |
| 01 Oct, 2025 | Kurt J Hilzinger | Stock Option (Right to Buy) | A | 286,734 | $0.00 | 286,734 | D | A |
| 01 Oct, 2025 | Julia A Haller | Stock Option (Right to Buy) | A | 286,734 | $0.00 | 286,734 | D | A |
| 03 Oct, 2025 | Faisal Ghiath Sukhtian | Stock Option (Right to Buy) | A | 117,296 | $0.00 | 117,296 | D | A |
| 03 Oct, 2025 | Gerd Auffarth | Stock Option (Right to Buy) | A | 58,648 | $0.00 | 58,648 | D | A |
| 03 Oct, 2025 | Andong Huang | Stock Option (Right to Buy) | A | 53,316 | $0.00 | 53,316 | D | A |
| 03 Oct, 2025 | Julia A Haller | Stock Option (Right to Buy) | A | 58,648 | $0.00 | 58,648 | D | A |
| 03 Oct, 2025 | Yezan Munther Haddadin | Stock Option (Right to Buy) | A | 95,969 | $0.00 | 95,969 | D | A |
| 03 Oct, 2025 | Kurt J Hilzinger | Stock Option (Right to Buy) | A | 90,638 | $0.00 | 90,638 | D | A |
| 01 Jul, 2025 | Robert Charles Jahr | Stock Option (Right to Buy) | A | 800,000 | $0.00 | 800,000 | D | A |
| 27 May, 2025 | Ghiath M. Sukhtian | Common Stock | A | 4,285,714 | $1.40 | 13,552,359 | I | A |
| 27 May, 2025 | Ghiath M. Sukhtian | Warrants (right to buy) | A | 8,571,428 | - | 8,571,428 | I | A |
| 17 Jan, 2025 | Ghiath M. Sukhtian | Common Stock | A | 3,458,571 | $2.51 | 9,266,645 | I | M |
| 04 Feb, 2025 | Faisal Ghiath Sukhtian | Stock Option (Right to Buy) | A | 12,323 | $0.00 | 12,323 | D | A |
| 01 Oct, 2024 | Gerd Auffarth | Stock Option (Right to Buy) | A | 56,636 | $0.00 | 56,636 | D | A |
| 01 Oct, 2024 | Julia A Haller | Stock Option (Right to Buy) | A | 56,636 | $0.00 | 56,636 | D | A |