Moleculin Biotech (MBRX) CSO exercises RSUs with tax withholding, increases common stock stake
Filing Impact
Filing Sentiment
Form Type
4
Rhea-AI Filing Summary
Moleculin Biotech, Inc. Chief Science Officer Donald H. Picker reported routine equity compensation activity involving restricted stock units (RSUs). On June 20 and June 22, he exercised RSUs to acquire a total of 115 shares of common stock at a conversion price of $0.00 per share.
Across both dates, 34 common shares were withheld at prices of $2.88 and $3.12 per share to cover tax obligations upon RSU vesting, a non‑market disposition. Following these transactions, he directly holds 774 shares of common stock and 19,596 RSUs that convert into common stock on a one‑for‑one basis.
Positive
- None.
Negative
- None.
Insider Trade Summary
115 shares exercised/converted
Mixed
6 txns
Insider
PICKER DONALD H
Role
Chief Science Officer
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Restricted Stock Units | 71 | $0.00 | -- |
| Exercise | Common Stock | 71 | $0.00 | -- |
| Tax Withholding | Common Stock | 21 | $3.12 | $65.52 |
| Exercise | Restricted Stock Units | 44 | $0.00 | -- |
| Exercise | Common Stock | 44 | $0.00 | -- |
| Tax Withholding | Common Stock | 13 | $2.88 | $37.44 |
Holdings After Transaction:
Restricted Stock Units — 19,596 shares (Direct, null);
Common Stock — 774 shares (Direct, null)
Footnotes (1)
- Restricted stock units convert into common stock on a one-for-one basis. Shares withheld for payment of taxes upon vesting of restricted stock unit awards. On June 20, 2022, the reporting person was granted 173 restricted stock units, vesting in four equal annual installments beginning on the first anniversary of the grant date. On June 22, 2023, the reporting person was granted 283 restricted stock units, vesting in four equal annual installments beginning on the first anniversary of the grant date.
Key Figures
RSU shares exercised: 115 shares
Shares withheld for taxes: 34 shares
Tax withholding price 1: $2.88 per share
+5 more
8 metrics
RSU shares exercised
115 shares
Total RSUs converted to common stock on June 20 and June 22
Shares withheld for taxes
34 shares
Common shares withheld to cover tax obligations on RSU vesting
Tax withholding price 1
$2.88 per share
Tax-withholding disposition of 13 shares on June 20
Tax withholding price 2
$3.12 per share
Tax-withholding disposition of 21 shares on June 22
Common shares after transactions
774 shares
Direct Moleculin common stock holdings following June 22 transactions
RSUs remaining
19,596 units
Restricted stock units outstanding after June 22, one-for-one into common
RSUs exercised June 20
44 units
Restricted stock units converted into common stock on June 20
RSUs exercised June 22
71 units
Restricted stock units converted into common stock on June 22
Key Terms
Restricted stock units, tax-withholding disposition, derivative security, vesting, +1 more
5 terms
Restricted stock units financial
"Restricted stock units convert into common stock on a one-for-one basis."
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.
tax-withholding disposition financial
"transaction_action: tax-withholding disposition for payment of taxes."
A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.
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.
vesting financial
"vesting in four equal annual installments beginning on the first anniversary of the grant date."
Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.
exercise price financial
"Payment of exercise price or tax liability by delivering securities."
The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.
FAQ
What insider transactions did Moleculin Biotech (MBRX) report for Donald H. Picker?
Moleculin Biotech reported that Chief Science Officer Donald H. Picker exercised restricted stock units into common stock and had shares withheld to cover taxes. These transactions reflect routine equity compensation events rather than open-market buying or selling of Moleculin Biotech shares.
What are Donald H. Picker’s Moleculin Biotech (MBRX) holdings after these transactions?
After these transactions, Donald H. Picker directly holds 774 shares of Moleculin Biotech common stock and 19,596 restricted stock units. The RSUs convert into common stock on a one-for-one basis, indicating a substantial remaining equity-based compensation position with the company.
Were the Moleculin Biotech (MBRX) insider transactions open-market buys or sells?
The reported transactions were not open-market buys or sells. They involved exercising restricted stock units into common shares and withholding some shares to pay taxes. This pattern is typical of equity compensation vesting rather than discretionary trading in Moleculin Biotech stock.
What do the restricted stock units for Moleculin Biotech (MBRX) convert into?
The restricted stock units convert into Moleculin Biotech common stock on a one-for-one basis. Grants referenced in the footnotes were awarded in 2022 and 2023, vesting in four equal annual installments beginning one year after each grant date as part of ongoing compensation.