Castle Biosciences director exercises 5,329 RSUs
Castle Biosciences director Rodney Cotton exercised restricted stock units to receive common shares.
Rhea-AI Filing Summary
Castle Biosciences director Rodney Cotton exercised restricted stock units to receive common shares. On March 26, 2026, he exercised 5,329 Restricted Stock Units (RSUs), each representing one share of common stock, at an exercise price of $0.00 per share.
Following the transaction, his direct holdings of Castle Biosciences common stock increased to 19,331 shares. The RSUs relate to a prior grant of 15,988 RSUs awarded on March 26, 2024, which vest in three equal annual installments beginning March 26, 2025. This filing reflects a routine compensation-related equity vesting and exercise event, not an open‑market purchase or sale.
Positive
- None.
Negative
- None.
Insider Trade Summary
5,329 shares exercised/converted
Exercise
2 txns
Insider
Cotton Rodney
Role
Director
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Restricted Stock Units | 5,329 | $0.00 | $0.00 |
| Exercise | Common Stock | 5,329 | $0.00 | $0.00 |
Holdings After Transaction:
Restricted Stock Units — 5,330 contracts (Direct);
Common Stock — 19,331 shares (Direct)
Footnotes (2)
- F1. Each Restricted Stock Unit ("RSU") represents the right to receive one share of the Issuer's Common Stock.
- F2. On March 26, 2024, the Reporting Person was granted 15,988 RSUs which vest in three equal annual installments beginning on March 26, 2025.
Key Figures
RSUs exercised: 5,329 units
Post-transaction holdings: 19,331 shares
RSU grant size: 15,988 RSUs
+2 more
5 metrics
RSUs exercised
5,329 units
Exercised into common stock on March 26, 2026
Post-transaction holdings
19,331 shares
Common stock directly owned after RSU exercise
RSU grant size
15,988 RSUs
Granted March 26, 2024
Vesting schedule
3 equal annual installments
RSU grant beginning March 26, 2025
Exercise price
$0.00 per share
For 5,329 RSUs converting into common stock
Key Terms
Restricted Stock Units, RSUs, derivative security, Common Stock
4 terms
Restricted Stock Units financial
"Each Restricted Stock Unit ("RSU") represents the right to receive one share of the Issuer's Common Stock."
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
RSUs financial
"On March 26, 2024, the Reporting Person was granted 15,988 RSUs which vest in three equal annual installments"
RSUs, or restricted stock units, are a form of company shares given to employees as part of their compensation. They are typically awarded with certain restrictions, such as a waiting period before they can be fully owned or sold, similar to earning a gift that becomes fully yours over time. For investors, RSUs can impact a company's stock offerings and reflect how much the company relies on stock-based incentives to attract and retain talent.
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.
Common Stock financial
"Each Restricted Stock Unit ("RSU") represents the right to receive one share of the Issuer's Common Stock."
Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What did Castle Biosciences (CSTL) director Rodney Cotton report in this Form 4?
Rodney Cotton reported exercising 5,329 Restricted Stock Units to receive Castle Biosciences common shares. This increased his direct holdings to 19,331 shares. The transaction reflects equity compensation vesting, not an open-market stock purchase or sale.
What are Restricted Stock Units (RSUs) in the Castle Biosciences (CSTL) Form 4?
The filing states each RSU represents the right to receive one Castle Biosciences common share. When RSUs vest and are exercised, they convert into actual shares, typically as part of an executive or director’s equity compensation package.
What prior RSU grant to Rodney Cotton does Castle Biosciences (CSTL) disclose?
The footnotes note a grant of 15,988 RSUs to Rodney Cotton on March 26, 2024. These RSUs vest in three equal annual installments beginning March 26, 2025, aligning his compensation with longer-term company performance.
Was this Castle Biosciences (CSTL) Form 4 an open-market stock purchase or sale?
No. The Form 4 shows a derivative exercise, not an open-market trade. Cotton exercised 5,329 RSUs at $0.00 per share, converting previously granted units into common stock as part of his equity compensation program.
Does the Castle Biosciences (CSTL) Form 4 indicate remaining RSUs for Rodney Cotton?
The filing notes a total grant of 15,988 RSUs with three annual vesting installments beginning March 26, 2025. It does not separately list remaining RSUs in the derivative summary, but the grant structure implies future vesting events under that award.
AI-generated analysis. How Rhea-AI works. Not financial advice.
