MLYS insider buying – Mineralys Therapeutics, Inc.
16 insider purchases since 2016 worth $134.6M by 9 different insiders. Last 12 months: 1 purchases, $8.8M. Most recent filing: 2026-03-31.
Same time range as the chart above - each mark sits under the week of the trade. Circles = purchases (height = price paid, size = amount), red triangles = open-market sales of $50k+. Prices as reported, not adjusted for later stock splits.
Purchases are open-market buys (SEC Form 4, code "P") - insiders paying with their own money. Sales are open-market sales (code "S") of $50,000 or more; many sales are pre-planned (Rule 10b5-1) or made for taxes and diversification. Each row links to the original filing.
Bought, sold, still holding?
| Insider | Bought | First / last buy | Sold since 2016 | Holds now* | Status |
|---|---|---|---|---|---|
| AKKARAJU SRINIVAS Director | $38.1M 3× · 2,125,735 sh | 2023-02-14 2025-09-04 | – | 5,877,218 shares as of 2026-02-20 | Holds - never sold |
| RA Capital Nexus Fund III, L.P. Director | $37.5M 2× · 2,546,296 sh | 2023-02-14 2025-03-13 | – | 4,280,051 shares as of 2025-03-17 | Holds - never sold |
| RA CAPITAL MANAGEMENT, L.P. Director | $30.0M 1× · 1,176,470 sh | 2025-09-04 2025-09-04 | – | 5,456,521 shares as of 2025-09-08 | Holds - never sold |
| Shah Rajeev M. Director | $8.8M 1× · 369,000 sh | 2026-03-27 2026-03-27 | – | 5,825,521 shares as of 2026-03-31 | Holds - never sold |
| Slingsby Brian Taylor Director | $7.5M 2× · 509,259 sh | 2023-02-14 2025-03-13 | 2× · $10.2M last 2026-09-22 | 7,805,718 shares as of 2026-09-24 | Sold part |
| Samsara BioCapital, L.P. 10% Owner | $7.5M 1× · 555,555 sh | 2024-02-12 2024-02-12 | – | 5,674,916 shares as of 2025-03-17 | Holds - never sold |
| HBM Healthcare Investments (Cayman) Ltd. 10% Owner | $5.0M 1× · 312,500 sh | 2023-02-14 2023-02-14 | – | 3,218,106 shares as of 2023-02-16 | Holds - never sold |
| Congleton Jon CEO | $105,557 4× · 10,750 sh | 2023-08-11 2023-11-22 | 14× · $17.4M last 2026-07-13 | 603,621 shares as of 2026-07-15 | Sold part |
| Levy Adam Scott CFO | $100,000 1× · 6,250 sh | 2023-02-14 2023-02-14 | 10× · $9.2M last 2026-01-12 | 48,538 shares as of 2026-02-20 | Sold part |
* Shares held after the insider's most recent SEC filing for this company (all share classes, direct and indirect). If an insider stops filing, later changes are not known.
Insider buying and selling by year
| Year | Purchases | Bought | Buyers | Sales | Sold |
|---|---|---|---|---|---|
| 2026 | 1 | $8.8M | 1 | 29 | $26.0M |
| 2025 | 5 | $74.1M | 4 | 22 | $65.8M |
| 2024 | 1 | $7.5M | 1 | 10 | $11.1M |
| 2023 | 9 | $44.2M | 6 | 1 | $3.0M |
Insider purchases
| Filed | Insider | Role | Shares | Avg price | Value | Holdings | Filing |
|---|---|---|---|---|---|---|---|
| 2026-03-31 | Shah Rajeev M. | Director | 369,000 | $23.75 | $8.8M | +6.8% | SEC |
| 2025-09-08 | RA CAPITAL MANAGEMENT, L.P. | Director | 1,176,470 | $25.50 | $30.0M | +27.5% | SEC |
| 2025-09-08 | AKKARAJU SRINIVAS | Director | 588,235 | $25.50 | $15.0M | SEC | |
| 2025-04-25 | Slingsby Brian Taylor | Director | 259,259 | $13.50 | $3.5M | +3.0% | SEC |
| 2025-03-17 | RA Capital Nexus Fund III, L.P. | Director | 1,296,296 | $13.50 | $17.5M | +43.4% | SEC |
| 2025-03-17 | AKKARAJU SRINIVAS | Director | 600,000 | $13.50 | $8.1M | +11.8% | SEC |
| 2024-02-14 | Samsara BioCapital, L.P. | 10% Owner | 555,555 | $13.50 | $7.5M | +12.3% | SEC |
| 2023-11-27 | Congleton Jon | CEO | 4,250 | $5.97 | $25,372 | +0.4% | SEC |
| 2023-09-08 | Congleton Jon | CEO | 2,250 | $12.08 | $27,180 | +0.2% | SEC |
| 2023-08-21 | Congleton Jon | CEO | 2,250 | $12.10 | $27,225 | +0.2% | SEC |
| 2023-08-11 | Congleton Jon | CEO | 2,000 | $12.89 | $25,780 | +0.2% | SEC |
| 2023-02-16 | Slingsby Brian Taylor | Director | 250,000 | $16.00 | $4.0M | +2.8% | SEC |
| 2023-02-16 | RA Capital Nexus Fund III, L.P. | Director | 1,250,000 | $16.00 | $20.0M | +202.5% | SEC |
| 2023-02-16 | Levy Adam Scott | CFO | 6,250 | $16.00 | $100,000 | +1.8% | SEC |
| 2023-02-16 | HBM Healthcare Investments (Cayman) Ltd. | 10% Owner | 312,500 | $16.00 | $5.0M | +10.8% | SEC |
| 2023-02-16 | AKKARAJU SRINIVAS | Director | 937,500 | $16.00 | $15.0M | +26.2% | SEC |
Insider sales
| Filed | Insider | Role | Shares | Avg price | Value | Type | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-24 | Slingsby Brian Taylor | Director | 104,320 | $28.81 | $3.0M | Sale | SEC |
| 2026-09-22 | Warren Eric | Officer | 7,438 | $28.12 | $209,157 | Pre-planned (10b5-1) | SEC |
| 2026-09-17 | Karydas Daphne | Director | 3,000 | $28.58 | $85,740 | Pre-planned (10b5-1) | SEC |
| 2026-08-25 | Warren Eric | Officer | 7,437 | $25.98 | $193,213 | Pre-planned (10b5-1) | SEC |
| 2026-08-12 | Rodman David Malcom | Officer | 2,170 | $27.09 | $58,785 | Pre-planned (10b5-1) | SEC |
| 2026-07-23 | Warren Eric | Officer | 7,438 | $26.87 | $199,859 | Pre-planned (10b5-1) | SEC |
| 2026-07-15 | Rodman David Malcom | Officer | 20,407 | $27.28 | $556,667 | Pre-planned (10b5-1) | SEC |
| 2026-07-15 | Congleton Jon | CEO | 10,700 | $27.24 | $291,468 | Pre-planned (10b5-1) | SEC |
| 2026-07-10 | Rodman David Malcom | Officer | 2,171 | $30.30 | $65,781 | Pre-planned (10b5-1) | SEC |
| 2026-06-30 | Congleton Jon | CEO | 75,000 | $26.14 | $2.0M | Pre-planned (10b5-1) | SEC |
| 2026-06-30 | Warren Eric | Officer | 104,124 | $25.90 | $2.7M | Pre-planned (10b5-1) | SEC |
| 2026-06-17 | Karydas Daphne | Director | 3,000 | $25.00 | $75,000 | Pre-planned (10b5-1) | SEC |
| 2026-06-17 | Rodman David Malcom | Officer | 14,474 | $24.19 | $350,081 | Pre-planned (10b5-1) | SEC |
| 2026-06-12 | Rodman David Malcom | Officer | 8,519 | $24.20 | $206,182 | Pre-planned (10b5-1) | SEC |
| 2026-05-13 | Rodman David Malcom | Officer | 22,575 | $28.91 | $652,598 | Pre-planned (10b5-1) | SEC |
Showing the latest 15 of 62 sales of $50,000+ since 2016.
Compiled automatically from public SEC filings. Not investment advice. Get every new insider purchase in the daily report.
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