As of August 29, 2026, Mineralys Therapeutics's top three insider holders are Brian Taylor Slingsby (Director, 7.91Mn shares), Brian Taylor Slingsby (Director, 7.91Mn shares), Brian Taylor Slingsby (Director, 7.90Mn shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Brian Taylor Slingsby | Director, TenPercentOwner | 0 | 7,910,038 | 7,910,038 | 33.7% | 20 Feb, 2026 |
| 2 | Capital Management, L.P. Ra | Director | 0 | 5,825,521 | 5,825,521 | 24.8% | 31 Mar, 2026 |
| 3 | Biocapital Gp, Llc Samsara | TenPercentOwner | 0 | 5,674,916 | 5,674,916 | 24.1% | 17 Mar, 2025 |
| 4 | Healthcare Investments (Cayman) Ltd. Hbm | TenPercentOwner | 3,218,106 | 0 | 3,218,106 | 13.7% | 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% | 25 Aug, 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 Jun, 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 |
|---|---|---|---|---|---|---|---|---|
| 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 | 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 | Acquired M | 2,170 | $16.00 | $34.72K | 53,554 | 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 |
| 17 Jul, 2026 | David Malcom Rodman | Chief Medical Officer | Disposed M | 416 | $0.00 | $0 | 3,334 | Direct |
| 13 Jul, 2026 | Jon Congleton | Chief Executive Officer | Disposed S | 10,700 | $27.24 | $291.44K | 603,621 | Direct |
| 13 Jul, 2026 | David Malcom Rodman | Chief Medical Officer | Acquired M | 3,542 | $10.20 | $36.13K | 61,275 | Direct |
| 13 Jul, 2026 | David Malcom Rodman | Chief Medical Officer | Acquired M | 4,167 | $14.25 | $59.38K | 65,442 | Direct |
| 13 Jul, 2026 | David Malcom Rodman | Chief Medical Officer | Acquired M | 6,349 | $1.08 | $6.86K | 71,791 | Direct |
| 13 Jul, 2026 | David Malcom Rodman | Chief Medical Officer | Disposed S | 14,058 | $27.58 | $387.72K | 57,733 | Direct |
| 15 Jul, 2026 | David Malcom Rodman | Chief Medical Officer | Disposed S | 6,349 | $26.61 | $168.95K | 51,384 | Direct |