MLYS Mineralys Therapeutics, Inc.
$28.20
Mineralys Therapeutics, Inc. (MLYS) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
Insider signal
In line
Selling ran in line with MLYS's own trailing one-year pace, with 29% of sale value under a prearranged plan.
Cluster activity
0 buyers in the last 30 days
0 buyers in the last 90 days
4 sellers in the last 90 days
Insiders buying
1
2 transactions
Insiders selling
7
83 transactions
Purchases
$8.8M
369,000 shares
Sales
$84.7M
2,176,105 shares
Net activity
-$76.0M
purchases less sales
How much of that selling was preplanned? 29% planned / 71% discretionary
10b5-1 plan sales
$24.7M
60 transactions · 806,906 shares
Discretionary sales
$60.1M
23 transactions · 1,369,199 shares
Largest single sale: $43.4M.
Where they traded
Buy
Sell
Dot area is proportional to transaction value.
Last open-market purchase: March 30, 2026 .
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| Warren Eric | Chief Commercial Officer | Sell 10b5-1 | 7,437 | $25.98 | $193.2K | 38,400 −16.2% of holding | |
| Rodman David Malcom | Chief Medical Officer | Sell 10b5-1 | 2,170 | $27.09 | $58.8K | 51,384 −4.1% of holding | |
| Warren Eric | Chief Commercial Officer | Sell 10b5-1 | 7,438 | $26.87 | $199.9K | 38,400 −16.2% of holding | |
| Rodman David Malcom | Chief Medical Officer | Sell 10b5-1 | 416 | $26.53 | $11.0K | 51,384 −0.8% of holding | |
| Rodman David Malcom | Chief Medical Officer | Sell 10b5-1 | 6,349 | $26.61 | $169.0K | 51,384 −11% of holding | |
| Rodman David Malcom | Chief Medical Officer | Sell 10b5-1 | 14,058 | $27.58 | $387.7K | 57,733 −19.6% of holding | |
| Congleton Jon | Chief Executive Officer | Sell 10b5-1 | 10,700 | $27.24 | $291.4K | 603,621 −1.7% of holding | |
| Rodman David Malcom | Chief Medical Officer | Sell 10b5-1 | 2,171 | $30.30 | $65.8K | 57,733 −3.6% of holding | |
| Congleton Jon 2 fills | Chief Executive Officer | Sell 10b5-1 | 75,000 | $26.14 | $2.0M | 631,321 −10.6% of holding | |
| Warren Eric | Chief Commercial Officer | Sell 10b5-1 | 104,124 | $25.90 | $2.7M | 38,400 −73.1% of holding | |
| Rodman David Malcom | Chief Medical Officer | Sell 10b5-1 | 4,584 | $25.00 | $114.6K | 57,095 −7.4% of holding | |
| Karydas Daphne | Director | Sell 10b5-1 | 3,000 | $25.00 | $75.0K | 6,200 −32.6% of holding | |
| Rodman David Malcom | Chief Medical Officer | Sell 10b5-1 | 9,890 | $23.81 | $235.5K | 57,095 −14.8% of holding | |
| Rodman David Malcom | Chief Medical Officer | Sell 10b5-1 | 6,349 | $23.93 | $151.9K | 63,443 −9.1% of holding | |
| Rodman David Malcom | Chief Medical Officer | Sell 10b5-1 | 2,170 | $25.00 | $54.3K | 63,443 −3.3% of holding | |
| Rodman David Malcom | Chief Medical Officer | Sell 10b5-1 | 417 | $27.55 | $11.5K | 63,443 −0.7% of holding | |
| Rodman David Malcom | Chief Medical Officer | Sell 10b5-1 | 14,056 | $28.58 | $401.8K | 63,443 −18.1% of holding | |
| Rodman David Malcom | Chief Medical Officer | Sell 10b5-1 | 6,348 | $29.36 | $186.3K | 69,792 −8.3% of holding | |
| Rodman David Malcom | Chief Medical Officer | Sell 10b5-1 | 2,171 | $29.71 | $64.5K | 69,792 −3% of holding | |
| Rodman David Malcom | Chief Medical Officer | Sell 10b5-1 | 416 | $31.33 | $13.0K | 69,792 −0.6% of holding | |
| Rodman David Malcom | Chief Medical Officer | Sell 10b5-1 | 6,348 | $27.66 | $175.6K | 69,792 −8.3% of holding | |
| Congleton Jon | Chief Executive Officer | Sell 10b5-1 | 15,730 | $26.83 | $422.0K | 689,321 −2.2% of holding | |
| Rodman David Malcom | Chief Medical Officer | Sell 10b5-1 | 14,058 | $26.54 | $373.1K | 76,140 −15.6% of holding | |
| Rodman David Malcom | Chief Medical Officer | Sell 10b5-1 | 2,170 | $27.38 | $59.4K | 76,140 −2.8% of holding | |
| Congleton Jon 3 fills | Chief Executive Officer | Sell 10b5-1 | 75,000 | $26.27 | $2.0M | 760,687 −9% of holding | |
| Karydas Daphne | Director | Sell 10b5-1 | 3,000 | $25.00 | $75.0K | 6,200 −32.6% of holding | |
| Buy | 58,300 | $24.16 | $1.4M | 5,825,521 | |||
| Buy | 310,700 | $23.67 | $7.4M | 5,767,221 | |||
| Rodman David Malcom | Chief Medical Officer | Sell 10b5-1 | 417 | $25.65 | $10.7K | 76,140 −0.5% of holding | |
| Rodman David Malcom 3 fills | Chief Medical Officer | Sell 10b5-1 | 14,058 | $26.26 | $369.2K | 79,472 −15% of holding | |
| Rodman David Malcom | Chief Medical Officer | Sell 10b5-1 | 6,348 | $27.37 | $173.7K | 82,489 −7.1% of holding | |
| Rodman David Malcom | Chief Medical Officer | Sell 10b5-1 | 2,171 | $26.84 | $58.3K | 82,489 −2.6% of holding | |
| Rodman David Malcom | Chief Medical Officer | Sell 10b5-1 | 417 | $27.59 | $11.5K | 44,089 −0.9% of holding | |
| Rodman David Malcom 3 fills | Chief Medical Officer | Sell 10b5-1 | 14,055 | $27.44 | $385.7K | 50,437 −21.8% of holding | |
| Rodman David Malcom 2 fills | Chief Medical Officer | Sell 10b5-1 | 6,349 | $28.99 | $184.1K | 50,958 −11.1% of holding | |
| Rodman David Malcom | Chief Medical Officer | Sell 10b5-1 | 2,171 | $30.21 | $65.6K | 50,437 −4.1% of holding | |
| Rodman David Malcom | Chief Medical Officer | Sell 10b5-1 | 416 | $32.10 | $13.4K | 50,437 −0.8% of holding | |
| Rodman David Malcom | Chief Medical Officer | Sell 10b5-1 | 11,367 | $32.61 | $370.6K | 50,437 −18.4% of holding | |
| Rodman David Malcom | Chief Medical Officer | Sell 10b5-1 | 7,709 | $32.75 | $252.5K | 61,804 −11.1% of holding | |
| Congleton Jon 2 fills | Chief Executive Officer | Sell 10b5-1 | 16,236 | $32.62 | $529.6K | 646,268 −2.5% of holding | |
| Levy Adam Scott | CFO and Secretary | Sell 10b5-1 | 10,758 | $32.14 | $345.7K | 8,638 −55.5% of holding | |
| Rodman David Malcom | Chief Medical Officer | Sell 10b5-1 | 6,348 | $32.32 | $205.1K | 61,804 −9.3% of holding | |
| Rodman David Malcom | Chief Medical Officer | Sell 10b5-1 | 2,170 | $33.27 | $72.2K | 61,804 −3.4% of holding | |
| Rodman David Malcom 2 fills | Chief Medical Officer | Sell 10b5-1 | 192,715 | $35.02 | $6.7M | 115,274 −62.6% of holding | |
| Rodman David Malcom | Chief Medical Officer | Sell 10b5-1 | 70,037 | $35.87 | $2.5M | 69,188 −50.3% of holding | |
| Sell | 1,000,000 | $43.35 | $43.4M | 7,903,838 −11.2% of holding | |||
| Karydas Daphne 2 fills | Director | Sell | 15,000 | $45.99 | $689.8K | 4,885 −75.4% of holding | |
| Gold Alexander M | Director | Sell | 12,742 | $46.50 | $592.5K | None left | |
| Gold Alexander M 2 fills | Director | Sell | 6,933 | $46.72 | $323.9K | 1,933 −78.2% of holding | |
| Congleton Jon 6 fills | Chief Executive Officer | Sell | 200,000 | $45.44 | $9.1M | 818,499 −19.6% of holding | |
| Levy Adam Scott 9 fills | CFO and Secretary | Sell | 119,524 | $44.88 | $5.4M | 137,905 −46.4% of holding | |
| Gold Alexander M 2 fills | Director | Sell | 15,000 | $43.98 | $659.7K | 5,000 −75% of holding | |
| Rodman David Malcom | Chief Medical Officer | Sell 10b5-1 | 10,369 | $43.01 | $446.0K | 71,155 −12.7% of holding | |
| Congleton Jon 2 fills | Chief Executive Officer | Sell 10b5-1 | 15,100 | $42.67 | $644.3K | 832,857 −1.8% of holding | |
| Levy Adam Scott 2 fills | CFO and Secretary | Sell 10b5-1 | 10,758 | $42.01 | $452.0K | 120,257 −8.2% of holding | |
| Rodman David Malcom 2 fills | Chief Medical Officer | Sell 10b5-1 | 11,367 | $36.00 | $409.3K | 83,589 −12% of holding |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.