Mineralys Therapeutics's three largest insider shareholders as of September 29, 2026 are Brian Taylor Slingsby (Director, 7.90Mn shares), Brian Taylor Slingsby (Director, 7.81Mn shares), Capital Management, L.P. Ra (Director, 5.83Mn shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Brian Taylor Slingsby | Director | 0 | 7,805,718 | 7,805,718 | 33.4% | 24 Sep, 2026 |
| 2 | Capital Management, L.P. Ra | Director | 0 | 5,825,521 | 5,825,521 | 24.9% | 31 Mar, 2026 |
| 3 | Biocapital Gp, Llc Samsara | TenPercentOwner | 0 | 5,674,916 | 5,674,916 | 24.3% | 17 Mar, 2025 |
| 4 | Healthcare Investments (Cayman) Ltd. Hbm | TenPercentOwner | 3,218,106 | 0 | 3,218,106 | 13.8% | 16 Feb, 2023 |
| 5 | Jon Congleton | Chief Executive Officer | 603,621 | 0 | 603,621 | 2.6% | 15 Jul, 2026 |
| 6 | James J. Iii Ferguson | Chief Medical Officer | 102,400 | 0 | 102,400 | 0.4% | 12 Aug, 2026 |
| 7 | David Malcom Rodman | Chief Medical Officer | 51,384 | 0 | 51,384 | 0.2% | 12 Aug, 2026 |
| 8 | Adam Scott Levy | Cfo And Secretary | 48,538 | 0 | 48,538 | 0.2% | 20 Feb, 2026 |
| 9 | Eric Warren | Chief Commercial Officer | 38,400 | 0 | 38,400 | 0.2% | 22 Sep, 2026 |
| 10 | Glenn Sblendorio | Director | 6,200 | 0 | 6,200 | 0.0% | 20 Feb, 2026 |
| 11 | Srinivas Akkaraju | Director, TenPercentOwner | 6,200 | 0 | 6,200 | 0.0% | 20 Feb, 2026 |
| 12 | Alexander M Gold | Director | 6,200 | 0 | 6,200 | 0.0% | 20 Feb, 2026 |
| 13 | Derek Dirocco | Director | 6,200 | 0 | 6,200 | 0.0% | 20 Feb, 2026 |
| 14 | Daphne Karydas | Director | 6,200 | 0 | 6,200 | 0.0% | 17 Sep, 2026 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 22 Sep, 2026 | Brian Taylor Slingsby | Director | Disposed S | 104,320 | $28.81 | $3.01Mn | 7,805,718 | Indirect |
| 21 Sep, 2026 | Eric Warren | Chief Commercial Officer | Acquired M | 7,438 | $13.24 | $98.48K | 45,838 | Direct |
| 21 Sep, 2026 | Eric Warren | Chief Commercial Officer | Disposed S | 7,438 | $28.12 | $209.14K | 38,400 | Direct |
| 21 Sep, 2026 | Eric Warren | Chief Commercial Officer | Disposed M | 7,438 | $0.00 | $0 | 230,563 | Direct |
| 15 Sep, 2026 | Daphne Karydas | Director | Acquired M | 3,000 | $12.02 | $36.06K | 9,200 | Direct |
| 15 Sep, 2026 | Daphne Karydas | Director | Disposed S | 3,000 | $28.58 | $85.74K | 6,200 | Direct |
| 15 Sep, 2026 | Daphne Karydas | Director | Disposed M | 3,000 | $0.00 | $0 | 35,000 | Direct |
| 21 Aug, 2026 | Eric Warren | Chief Commercial Officer | Acquired M | 7,437 | $13.24 | $98.47K | 45,837 | Direct |
| 21 Aug, 2026 | Eric Warren | Chief Commercial Officer | Disposed S | 7,437 | $25.98 | $193.19K | 38,400 | Direct |
| 21 Aug, 2026 | Eric Warren | Chief Commercial Officer | Disposed M | 7,437 | $0.00 | $0 | 238,001 | Direct |
| 10 Aug, 2026 | David Malcom Rodman | Chief Medical Officer | Acquired M | 2,170 | $16.00 | $34.72K | 53,554 | Direct |
| 10 Aug, 2026 | James J. Iii Ferguson | Chief Medical Officer | Acquired A | 102,400 | $0.00 | $0 | 102,400 | Direct |
| 10 Aug, 2026 | David Malcom Rodman | Chief Medical Officer | Disposed S | 2,170 | $27.09 | $58.79K | 51,384 | Direct |
| 10 Aug, 2026 | James J. Iii Ferguson | Chief Medical Officer | Acquired A | 135,000 | $0.00 | $0 | 135,000 | Direct |
| 10 Aug, 2026 | David Malcom Rodman | Chief Medical Officer | Disposed M | 2,170 | $0.00 | $0 | 13,024 | Direct |
| 21 Jul, 2026 | Eric Warren | Chief Commercial Officer | Acquired M | 7,438 | $13.24 | $98.48K | 45,838 | Direct |
| 21 Jul, 2026 | Eric Warren | Chief Commercial Officer | Disposed S | 7,438 | $26.87 | $199.89K | 38,400 | Direct |
| 21 Jul, 2026 | Eric Warren | Chief Commercial Officer | Disposed M | 7,438 | $0.00 | $0 | 245,438 | Direct |
| 17 Jul, 2026 | David Malcom Rodman | Chief Medical Officer | Acquired M | 416 | $15.44 | $6.42K | 51,800 | Direct |
| 17 Jul, 2026 | David Malcom Rodman | Chief Medical Officer | Disposed S | 416 | $26.53 | $11.04K | 51,384 | Direct |