Corbus director awarded RSUs and stock options
Corbus Pharmaceuticals director Winston Kung received new equity awards as part of his compensation.
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Form Type
4
Rhea-AI Filing Summary
Corbus Pharmaceuticals director Winston Kung received new equity awards as part of his compensation. On May 19, 2026, he was granted 3,800 restricted stock units (RSUs), which will settle in common shares and vest 100% one year from the grant date. Following this award, his direct common stock holdings total 14,166 shares, including 8,600 unvested RSUs subject to their existing vesting schedules. On the same date, he also received stock options for 12,300 shares of common stock at an exercise price of $9.15 per share, which will also vest in full on the one-year anniversary of the grant.
Insider Trade Summary
Grant/Award: 16,100 shares
Grant/Award
2 txns
Insider
Kung Winston
Role
Director
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Grant/Award | Stock options (right to buy) | 12,300 | $0.00 | $0.00 |
| Grant/Award | Common Stock, par value $0.0001 per share | 3,800 | $0.00 | $0.00 |
Holdings After Transaction:
Stock options (right to buy) — 12,300 contracts (Direct);
Common Stock, par value $0.0001 per share — 14,166 shares (Direct)
Footnotes (3)
- F1. On May 19, 2026, 3,800 restricted stock units ("RSUs") were granted, which will be settled in shares of common stock, par value $0.0001. The RSUs will vest 100% on the one-year anniversary from the date of grant.
- F2. This amount includes 8,600 unvested RSUs subject to each grant's vesting schedule as previously reported.
- F3. The option award was made in accordance with the terms of the issuer's 2024 Equity Compensation Plan. The option will vest 100% on the one-year anniversary from the date of grant.
Key Figures
RSU grant: 3,800 RSUs
Options granted: 12,300 options
Option exercise price: $9.15 per share
+2 more
5 metrics
RSU grant
3,800 RSUs
Granted on May 19, 2026; vest 100% after one year
Options granted
12,300 options
Granted on May 19, 2026; underlying common stock
Option exercise price
$9.15 per share
Exercise price for 12,300 stock options
Shares after transaction
14,166 shares
Total direct common stock holdings after RSU grant
Unvested RSUs
8,600 RSUs
Previously reported unvested RSUs still subject to vesting schedules
Key Terms
restricted stock units ("RSUs"), vesting schedule, Equity Compensation Plan, stock options
4 terms
restricted stock units ("RSUs") financial
"On May 19, 2026, 3,800 restricted stock units ("RSUs") were granted"
Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.
vesting schedule financial
"This amount includes 8,600 unvested RSUs subject to each grant's vesting schedule"
A vesting schedule is a timeline that determines when someone gains full ownership of certain benefits, such as company stock or retirement contributions. Think of it like earning the right to own a gift gradually over time, rather than receiving it all at once. It matters to investors because it affects when they can fully access or sell these benefits, influencing their financial planning and decision-making.
Equity Compensation Plan financial
"The option award was made in accordance with the terms of the issuer's 2024 Equity Compensation Plan."
A plan by which a company gives employees, directors or contractors ownership or the right to buy ownership in the company through stock, options or similar awards — think of promising slices of the company pie as part of someone's pay. It matters to investors because these awards can change the number of shares outstanding, affect reported profits and influence management’s decisions; large or generous plans can dilute existing holders and alter incentives over time.
stock options financial
"Stock options (right to buy)"
Stock options are agreements that give a person the right to buy or sell a company's stock at a specific price within a certain time frame. They are often used as a reward or incentive, similar to a coupon that can be used later if the stock price rises, allowing the holder to make a profit.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What equity awards did Corbus (CRBP) director Winston Kung receive on May 19, 2026?
On May 19, 2026, Winston Kung received 3,800 restricted stock units and stock options for 12,300 shares at a $9.15 exercise price. Both the RSUs and the options vest 100% on the one-year anniversary of the grant date.
When do Winston Kung’s new Corbus (CRBP) RSUs and options vest?
Both the 3,800 restricted stock units and the 12,300 stock options granted to Winston Kung vest 100% on the one-year anniversary of the May 19, 2026 grant date. Vesting must occur before he receives shares or can exercise the options.
Are Winston Kung’s Corbus (CRBP) equity awards open-market purchases or compensation grants?
The Form 4 shows Winston Kung’s transactions as compensation-related grants, not open-market purchases. The RSUs and stock options were awarded under Corbus’s 2024 Equity Compensation Plan, reflecting non-cash equity incentives rather than discretionary buying or selling in the market.
What is the exercise price of Winston Kung’s new Corbus (CRBP) stock options?
The stock options granted to Winston Kung on May 19, 2026 have an exercise price of $9.15 per share. They cover 12,300 underlying common shares and will vest in full one year after the grant date, according to the disclosed terms.
AI-generated analysis. How Rhea-AI works. Not financial advice.
