As of March 23, 2026, MoonLake Immunotherapeutics's top three insider holders are Holdings Llc Helix (Other, 3.21Mn shares), Kristian Reich (Chief Scientific Officer, 2.93Mn shares), Bihua Chen (Other, 1.99Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Holdings Llc Helix | 3,215,000 | 0 | 07 Apr, 2022 | |
| Kristian Reich | Chief Scientific Officer | 0 | 2,925,573 | 29 Feb, 2024 |
| Bihua Chen | 0 | 1,994,173 | 01 Oct, 2025 | |
| Matthias Bodenstedt | Chief Financial Officer | 1,276,305 | 0 | 09 Jan, 2026 |
| Simon Sturge | 171,980 | 0 | 08 Oct, 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 |
|---|---|---|---|---|---|---|---|---|
| 07 Jan, 2026 | Matthias Bodenstedt | Class A ordinary shares, par value $0.0001 per share | A | 354,296 | $0.00 | 1,276,305 | D | A |
| 07 Jan, 2026 | Kristian Reich | Stock Option (Right to Buy) | A | 520,342 | $0.00 | 520,342 | D | A |
| 07 Jan, 2026 | Da Silva Jorge Santos | Stock Option (Right to Buy) | A | 520,342 | $0.00 | 520,342 | D | A |
| 19 Dec, 2025 | Matthias Bodenstedt | Class A ordinary shares, par value $0.0001 per share | A | 294,473 | - | 922,009 | D | C |
| 19 Dec, 2025 | Da Silva Jorge Santos | Class A ordinary shares, par value $0.0001 per share | A | 196,316 | - | 3,074,893 | D | C |
| 19 Dec, 2025 | Kristian Reich | Class A ordinary shares, par value $0.0001 per share | A | 35,389 | - | 35,389 | D | C |
| 19 Dec, 2025 | Da Silva Jorge Santos | Class C ordinary shares, par value $0.0001 per share | D | 196,316 | - | 0 | D | D |
| 19 Dec, 2025 | Kristian Reich | Class C ordinary shares, par value $0.0001 per share | D | 35,389 | - | 0 | D | D |
| 19 Dec, 2025 | Matthias Bodenstedt | Class C ordinary shares, par value $0.0001 per share | D | 294,473 | - | 0 | D | D |
| 19 Dec, 2025 | Da Silva Jorge Santos | Common shares, par value CHF 0.10 per share, of MoonLake AG | D | 5,836 | - | 0 | D | C |
| 19 Dec, 2025 | Matthias Bodenstedt | Common shares, par value CHF 0.10 per share, of MoonLake AG | D | 8,754 | - | 0 | D | C |
| 19 Dec, 2025 | Kristian Reich | Common shares, par value CHF 0.10 per share, of MoonLake AG | D | 1,052 | - | 0 | D | C |
| 08 Dec, 2025 | Kristian Reich | Class A ordinary shares, par value $0.0001 per share | D | 130,000 | $15.08 | 72,908 | D | S |
| 08 Dec, 2025 | Da Silva Jorge Santos | Class A ordinary shares, par value $0.0001 per share | D | 130,000 | $15.08 | 2,948,577 | D | S |
| 09 Dec, 2025 | Da Silva Jorge Santos | Class A ordinary shares, par value $0.0001 per share | D | 70,000 | $14.49 | 2,878,577 | D | S |
| 09 Dec, 2025 | Kristian Reich | Class A ordinary shares, par value $0.0001 per share | D | 72,908 | $14.43 | 0 | D | S |
| 08 Oct, 2025 | Matthias Bodenstedt | Class A ordinary shares, par value $0.0001 per share | A | 10,870 | $9.09 | 627,536 | D | P |
| 29 Sep, 2025 | Bihua Chen | Class A Ordinary Shares | D | 70,748 | $9.38 | 8,423,403 | I | S |
| 29 Sep, 2025 | Bihua Chen | Class A Ordinary Shares | D | 232,460 | $8.40 | 8,190,943 | I | S |
| 29 Sep, 2025 | Bihua Chen | Class A Ordinary Shares | D | 3,390,943 | $7.58 | 4,800,000 | I | S |