Mineralys (MLYS) CMO exercises options and sells 20,406 shares in 10b5-1 trades
Filing Impact
Filing Sentiment
Form Type
4
Rhea-AI Filing Summary
Mineralys Therapeutics, Inc. Chief Medical Officer Rodman David Malcom reported option exercises and share sales in the company’s stock. On April 13, he exercised stock options covering a total of 14,058 shares of Common Stock at strike prices of $1.08, $10.20, and $14.25 per share. That same day, he conducted an open-market sale of 14,058 shares of Common Stock at a weighted-average price of $26.5391 per share. On April 15, he completed a second open-market sale of 6,348 shares at $27.66 per share under a Rule 10b5-1 trading plan. After these transactions, he directly holds 69,792 shares of Common Stock.
Positive
- None.
Negative
- None.
Insider Trade Summary 10b5-1
Net Seller: 20,406 shares ($548,672)
Net Sell
8 txns
Insider
Rodman David Malcom
Role
Chief Medical Officer
Sold
20,406 shs ($549K)
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Sale | Common Stock | 6,348 | $27.66 | $176K |
| Exercise | Stock Option | 6,349 | $0.00 | -- |
| Exercise | Stock Option | 3,542 | $0.00 | -- |
| Exercise | Stock Option | 4,167 | $0.00 | -- |
| Exercise | Common Stock | 6,349 | $1.08 | $7K |
| Exercise | Common Stock | 3,542 | $10.20 | $36K |
| Exercise | Common Stock | 4,167 | $14.25 | $59K |
| Sale | Common Stock | 14,058 | $26.5391 | $373K |
Holdings After Transaction:
Common Stock — 69,792 shares (Direct);
Stock Option — 19,046 shares (Direct)
Footnotes (1)
- These transactions were effected pursuant to a Rule 10b5-1 trading plan adopted on October 6, 2025. The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $26.3676 to $26.8400. The Reporting Person undertakes to provide to the Issuer, any securityholder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (2) to this Form 4. The stock option vested as to 25% of the underlying shares on the first anniversary of the grant date, with the remaining shares vesting in 36 substantially equal monthly installments thereafter. The stock option vests in monthly installments over a period of four years, with 1/48th of the total shares underlying the option vesting each one-month period following the date of grant.
Key Figures
Total shares sold: 20,406 shares
First sale price: $26.5391 per share
Second sale price: $27.66 per share
+5 more
8 metrics
Total shares sold
20,406 shares
Net shares sold across reported open-market transactions
First sale price
$26.5391 per share
Weighted-average price for 14,058-share sale on April 13
Second sale price
$27.66 per share
Price for 6,348-share open-market sale on April 15
Options exercised
14,058 shares
Total Common Stock from option exercises on April 13
Strike price 1
$1.08 per share
Exercise price for 6,349-option tranche
Strike price 2
$10.20 per share
Exercise price for 3,542-option tranche
Strike price 3
$14.25 per share
Exercise price for 4,167-option tranche
Shares held after
69,792 shares
Direct Common Stock holdings after transactions
Key Terms
Rule 10b5-1 trading plan, weighted-average price, stock option, open-market sale, +1 more
5 terms
Rule 10b5-1 trading plan regulatory
"These transactions were effected pursuant to a Rule 10b5-1 trading plan adopted on October 6, 2025."
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
weighted-average price financial
"The price reported in Column 4 is a weighted-average price."
stock option financial
"The stock option vested as to 25% of the underlying shares on the first anniversary of the grant date"
A stock option is a contract that gives you the right to buy or sell a company's stock at a specific price within a certain time frame. People use them to potentially make money if the stock's price moves favorably or to protect against losses. It's like holding a coupon that can be used to buy or sell stock at a set price later on.
open-market sale financial
"transaction_action: "open-market sale""
An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.
derivative security financial
"transaction_code_description: "Exercise or conversion of derivative security""
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.
