Over the 90-day window ending December 12, 2025, Mineralys Therapeutics's three dominant insider ownership positions are held by Director Brian Taylor Slingsby (7.90Mn shares), Chief Executive Officer Jon Congleton (655.39K shares), Chief Medical Officer David Malcom Rodman (71.16K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Brian Taylor Slingsby | 7,903,838 | 21 Nov, 2025 | |
| Biocapital Gp, Llc Samsara | 5,674,916 | 17 Mar, 2025 | |
| Capital Management, L.P. Ra | 5,456,521 | 08 Sep, 2025 | |
| Healthcare Investments (Cayman) Ltd. Hbm | 3,218,106 | 16 Feb, 2023 | |
| Jon Congleton | Chief Executive Officer | 655,387 | 24 Nov, 2025 |
| Srinivas Akkaraju | 588,235 | 08 Sep, 2025 | |
| David Malcom Rodman | Chief Medical Officer | 71,155 | 15 Oct, 2025 |
| Adam Scott Levy | CFO And Secretary | 19,396 | 13 Nov, 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 |
|---|---|---|---|---|---|---|---|---|
| 21 Nov, 2025 | Jon Congleton | Common Stock | A | 24,082 | $0.54 | 655,387 | D | M |
| 20 Nov, 2025 | Brian Taylor Slingsby | Common Stock | D | 1,000,000 | $43.35 | 7,903,838 | I | S |
| 13 Nov, 2025 | Daphne Karydas | Common Stock | A | 15,000 | $10.20 | 15,000 | D | M |
| 13 Nov, 2025 | Daphne Karydas | Common Stock | D | 10,115 | $45.81 | 4,885 | D | S |
| 13 Nov, 2025 | Daphne Karydas | Common Stock | D | 4,885 | $46.36 | 0 | D | S |
| 11 Nov, 2025 | Adam Scott Levy | Common Stock | A | 20,547 | $10.20 | 53,814 | D | M |
| 11 Nov, 2025 | Alexander M Gold | Common Stock | A | 15,000 | $10.20 | 15,000 | D | M |
| 11 Nov, 2025 | Jon Congleton | Common Stock | D | 12,806 | $41.64 | 818,499 | D | S |
| 11 Nov, 2025 | Jon Congleton | Common Stock | D | 8,862 | $42.31 | 809,637 | D | S |
| 11 Nov, 2025 | Alexander M Gold | Common Stock | D | 10,000 | $42.43 | 5,000 | D | S |
| 11 Nov, 2025 | Adam Scott Levy | Common Stock | A | 34,414 | $16.00 | 88,228 | D | M |
| 11 Nov, 2025 | Alexander M Gold | Common Stock | D | 5,000 | $47.08 | 0 | D | S |
| 11 Nov, 2025 | Jon Congleton | Common Stock | D | 4,000 | $43.50 | 805,637 | D | S |
| 11 Nov, 2025 | Adam Scott Levy | Common Stock | A | 44,079 | $14.25 | 132,307 | D | M |
| 11 Nov, 2025 | Jon Congleton | Common Stock | D | 29,207 | $45.20 | 776,430 | D | S |
| 12 Nov, 2025 | Alexander M Gold | Common Stock | A | 6,933 | $10.20 | 6,933 | D | M |
| 11 Nov, 2025 | Adam Scott Levy | Common Stock | A | 6,613 | $15.44 | 138,920 | D | M |
| 11 Nov, 2025 | Jon Congleton | Common Stock | D | 112,275 | $45.83 | 664,155 | D | S |
| 12 Nov, 2025 | Alexander M Gold | Common Stock | D | 5,000 | $46.50 | 1,933 | D | S |
| 11 Nov, 2025 | Adam Scott Levy | Common Stock | D | 1,015 | $42.00 | 137,905 | D | S |