Lunai Bioworks's three largest insider shareholders as of June 18, 2026 are Karen Brink (Director, 25.37Mn shares), Rene Sindlev (Director, 13.61Mn shares), Serhat Gumrukcu (TenPercentOwner, 12.27Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Rene Sindlev | - | 0 | 13,605,297 | 22 Feb, 2024 |
| Carl Forest Sandler | - | 3,187,487 | 0 | 24 Mar, 2022 |
| Anderson Wittekind William | - | 3,353,878 | 0 | 12 Mar, 2025 |
| Luisa Puche | Chief Financial Officer | 16,266 | 0 | 11 Jan, 2022 |
| Serhat Gumrukcu | - | 12,273,059 | 0 | 20 May, 2022 |
| Avram Miller | - | 166,667 | 0 | 27 Aug, 2024 |
| Karen Brink | - | 0 | 25,372,969 | 16 Aug, 2024 |
| David Hershel Weinstein | Chief Executive Officer | 250,000 | 0 | 29 Oct, 2024 |
| Tilburg Maurice Van | - | 250,000 | 0 | 25 Feb, 2025 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 10 Mar, 2025 | Anderson Wittekind William | Common Stock | D | 350,000 | - | 3,353,878 | D | J |
| 10 Mar, 2025 | Anderson Wittekind William | Common Stock | D | 350,000 | - | 3,353,878 | D | J |
| 21 Jan, 2025 | Tilburg Maurice Van | Common Stock | A | 250,000 | $0.00 | 250,000 | D | A |
| 21 Jan, 2025 | Nathen Fuentes | Option to purchase shares of common stock | A | 250,000 | $0.00 | 250,000 | D | A |
| 21 Jan, 2025 | Tilburg Maurice Van | Common Stock | A | 250,000 | $0.00 | 250,000 | D | A |
| 21 Jan, 2025 | Tilburg Maurice Van | Option to purchase shares of common stock | A | 1,000,000 | $0.00 | 1,000,000 | D | A |
| 21 Jan, 2025 | Tilburg Maurice Van | Option to purchase shares of common stock | A | 1,000,000 | $0.00 | 1,000,000 | D | A |
| 04 Nov, 2024 | Mark Anthony Collins | Option to purchase shares of common stock | A | 120,968 | $0.00 | 120,968 | D | A |
| 04 Nov, 2024 | James A Mcnulty | Option to purchase shares of common stock | A | 120,968 | $0.00 | 120,968 | D | A |
| 04 Nov, 2024 | Simon Tarsh | Option to purchase shares of common stock | A | 58,500 | $0.00 | 58,500 | D | A |
| 04 Nov, 2024 | Simon Tarsh | Option to purchase shares of common stock | A | 58,500 | $0.00 | 58,500 | D | A |
| 04 Nov, 2024 | Douglas W Calder | Option to purchase shares of common stock | A | 120,968 | $0.00 | 120,968 | D | A |
| 14 Oct, 2024 | David Hershel Weinstein | Common Stock | A | 250,000 | $0.00 | 250,000 | D | A |
| 14 Oct, 2024 | David Hershel Weinstein | Common Stock | A | 250,000 | $0.00 | 250,000 | D | A |
| 14 Oct, 2024 | David Hershel Weinstein | Option to purchase shares of common stock | A | 1,600,000 | $0.00 | 1,600,000 | D | A |
| 14 Oct, 2024 | David Hershel Weinstein | Option to purchase shares of common stock | A | 1,600,000 | $0.00 | 1,600,000 | D | A |
| 23 Aug, 2024 | Avram Miller | Common Stock | D | 833,333 | $0.00 | 166,667 | D | D |
| 23 Aug, 2024 | Avram Miller | Option to Purchase Shares of Common Stock | A | 978,261 | $0.00 | 978,261 | D | A |
| 12 Aug, 2024 | Karen Brink | Common Stock | A | 2,000,000 | - | 25,372,969 | I | J |
| 12 Aug, 2024 | Karen Brink | Common Stock | D | 2,000,000 | - | 23,372,969 | I | J |