MBRX: Foster Jonathan P. reports stock transactions
By AlphaYouPublished Form 4
Foster Jonathan P.
Reporting filer
Foster Jonathan P. reports stock transactions, not an open-market purchase or sale, in Moleculin Biotech, Inc.. Form 4 filed Oct 17, 2026 lists 5 entries.
- Disclosed
- Oct 17, 2026
Reported details
5 entries| Security | Owner | Date | Code | Action | Quantity | Price | Following holdings | Reporting delay | Filed terms and references |
|---|---|---|---|---|---|---|---|---|---|
| Common Stock | Foster Jonathan P. | 2026-10-15 | M | Exercise or conversion | 130000 | Not stated (see footnotes) | 435,673 | 2 days | Filed terms
|
| Common Stock | Foster Jonathan P. | 2026-10-15 | F | Tax/exercise withholding | 30485 | 0.3701 | 405,188 | 2 days | Filed terms
|
| Stock Options (right to buy) (derivative) | Foster Jonathan P. | 2026-10-15 | A | Grant or award | 260000 | Not stated (see footnotes) | 1,287,717 | 2 days | Filed terms
|
| Restricted Stock Units (derivative) | Foster Jonathan P. | 2026-10-15 | A | Grant or award | 260000 | Not stated (see footnotes) | 1,547,717 | 2 days | Filed terms
|
| Restricted Stock Units (derivative) | Foster Jonathan P. | 2026-10-15 | M | Exercise or conversion | 130000 | 0 | 1,417,717 | 2 days | Filed terms
|
Common Stock
- Owner
- Foster Jonathan P.
- Date
- 2026-10-15
- Code
- M
- Action
- Exercise or conversion
- Quantity
- 130000
- Price
- Not stated (see footnotes)
- Following holdings
- 435,673
- Reporting delay
- 2 days
- Filed terms and references
Filed terms
- security Title: Common Stock
- transaction Date: 2026-10-15
- transaction Form Type: 4
- transaction Code: M
- equity Swap Involved: 0
- transaction Shares: 130000
- id: F1
- transaction Acquired Disposed Code: A
- shares Owned Following Transaction: 435673
- direct Or Indirect Ownership: D
Common Stock
- Owner
- Foster Jonathan P.
- Date
- 2026-10-15
- Code
- F
- Action
- Tax/exercise withholding
- Quantity
- 30485
- Price
- 0.3701
- Following holdings
- 405,188
- Reporting delay
- 2 days
- Filed terms and references
Filed terms
- security Title: Common Stock
- transaction Date: 2026-10-15
- transaction Form Type: 4
- transaction Code: F
- equity Swap Involved: 0
- transaction Shares: 30485
- id: F2
- transaction Price Per Share: 0.3701
- transaction Acquired Disposed Code: D
- shares Owned Following Transaction: 405188
- direct Or Indirect Ownership: D
Stock Options (right to buy) (derivative)
- Owner
- Foster Jonathan P.
- Date
- 2026-10-15
- Code
- A
- Action
- Grant or award
- Quantity
- 260000
- Price
- Not stated (see footnotes)
- Following holdings
- 1,287,717
- Reporting delay
- 2 days
- Filed terms and references
Filed terms
- security Title: Stock Options (right to buy)
- conversion Or Exercise Price: 0.3701
- transaction Date: 2026-10-15
- transaction Form Type: 4
- transaction Code: A
- equity Swap Involved: 0
- transaction Shares: 260000
- id: F4
- transaction Acquired Disposed Code: A
- id: F3
- expiration Date: 2036-10-15
- underlying Security Title: Common Stock
- underlying Security Shares: 260000
- shares Owned Following Transaction: 1287717
- direct Or Indirect Ownership: D
Restricted Stock Units (derivative)
- Owner
- Foster Jonathan P.
- Date
- 2026-10-15
- Code
- A
- Action
- Grant or award
- Quantity
- 260000
- Price
- Not stated (see footnotes)
- Following holdings
- 1,547,717
- Reporting delay
- 2 days
- Filed terms and references
Filed terms
- security Title: Restricted Stock Units
- id: F5
- transaction Date: 2026-10-15
- transaction Form Type: 4
- transaction Code: A
- equity Swap Involved: 0
- transaction Shares: 260000
- id: F4
- transaction Acquired Disposed Code: A
- id: F3
- id: F5
- underlying Security Title: Common Stock
- underlying Security Shares: 260000
- shares Owned Following Transaction: 1547717
- direct Or Indirect Ownership: D
Restricted Stock Units (derivative)
- Owner
- Foster Jonathan P.
- Date
- 2026-10-15
- Code
- M
- Action
- Exercise or conversion
- Quantity
- 130000
- Price
- 0
- Following holdings
- 1,417,717
- Reporting delay
- 2 days
- Filed terms and references
Filed terms
- security Title: Restricted Stock Units
- id: F1
- transaction Date: 2026-10-15
- transaction Form Type: 4
- transaction Code: M
- equity Swap Involved: 0
- transaction Shares: 130000
- transaction Price Per Share: 0
- transaction Acquired Disposed Code: D
- id: F3
- id: F5
- underlying Security Title: Common Stock
- underlying Security Shares: 130000
- shares Owned Following Transaction: 1417717
- direct Or Indirect Ownership: D
Purchases, sales, grants and option exercises are different transactions. The reported code identifies the action; it does not establish a motive.
Filing context
- Quantities and prices are shown in the units filed. No trade value is inferred from their product.
- Foster Jonathan P.: Chief Financial Officer.
- F1: Restricted stock units convert into common stock on a one-for-one basis.
- F2: Shares withheld for payment of taxes upon vesting of restricted stock unit awards.
- F3: The stock option/restricted stock unit set forth in this table vests as follows: (i) 50% on grant; and (ii) 50% in 18 equal installments over 18 months.
- F4: Issued in connection with the reporting person's employment with the Company.
- F5: Each restricted stock unit represents a contingent right to receive one shares of Company common stock.
Original sources
Prepared automatically from public filing data. Report a correction.