Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-08-03 Purchase | 2026-08-05 4:16 pm | Moleculin Biotech Inc. | MBRX | Foster Jonathan P. Chief Financial Officer | 293,333 | $0 | $0 | 1,333,390 (Direct) | View |
| 2026-08-03 Purchase | 2026-08-05 4:16 pm | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 533,333 | $0 | $0 | 2,490,675 (Direct) | View |
| 2026-08-03 Purchase | 2026-08-05 4:15 pm | Moleculin Biotech Inc. | MBRX | PICKER DONALD H Chief Science Officer | 173,333 | $0 | $0 | 713,681 (Direct) | View |
| 2025-06-23 Purchase | 2025-06-23 4:35 pm | Moleculin Biotech Inc. | MBRX | Foster Jonathan P. Chief Financial Officer | 270,270 | $0.37 | $100,000 | 1,785,255 (Direct) | View |
| 2025-06-23 Purchase | 2025-06-23 4:35 pm | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 675,675 | $0.37 | $250,000 | 3,926,990 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-10-15 Option Award | 2026-10-16 9:01 pm | N/A 2036-10-15 | Moleculin Biotech Inc. | MBRX | PICKER DONALD H Chief Science Officer | 250,000 | $0 | 789,595 (Direct) | View |
| 2026-10-15 Option Award | 2026-10-16 9:00 pm | N/A 2036-10-15 | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 830,000 | $0 | 8,369,186 (Direct) | View |
| 2026-10-15 Exercise | 2026-10-16 9:00 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 207,500 | $0 | 8,369,186 (Direct) | View |
| 2026-10-15 Tax Withholding | 2026-10-16 9:00 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 48,659 | $0.3701 | 8,369,186 (Direct) | View |
| 2026-10-15 Option Award | 2026-10-16 9:00 pm | N/A 2036-10-15 | Moleculin Biotech Inc. | MBRX | Foster Jonathan P. Chief Financial Officer | 520,000 | $0 | 4,658,339 (Direct) | View |
| 2026-10-15 Exercise | 2026-10-16 9:00 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | Foster Jonathan P. Chief Financial Officer | 130,000 | $0 | 4,658,339 (Direct) | View |
| 2026-10-15 Tax Withholding | 2026-10-16 9:00 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | Foster Jonathan P. Chief Financial Officer | 30,485 | $0.3701 | 4,658,339 (Direct) | View |
| 2026-08-03 Option Award | 2026-08-05 4:16 pm | 2026-08-03 2031-08-03 | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 1,599,999 | $0 | 2,490,675 (Direct) | View |
| 2026-06-22 Tax Withholding | 2026-06-24 9:01 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | PICKER DONALD H Chief Science Officer | 21 | $3.12 | 40,016 (Direct) | View |
| 2026-06-20 Tax Withholding | 2026-06-24 9:01 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | PICKER DONALD H Chief Science Officer | 13 | $2.88 | 40,016 (Direct) | View |
| 2026-06-20 Exercise | 2026-06-24 9:01 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | PICKER DONALD H Chief Science Officer | 115 | $0 | 40,016 (Direct) | View |
| 2026-06-22 Tax Withholding | 2026-06-24 9:00 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 88 | $3.12 | 684,039 (Direct) | View |
| 2026-06-20 Tax Withholding | 2026-06-24 9:00 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 37 | $2.88 | 684,039 (Direct) | View |
| 2026-06-20 Exercise | 2026-06-24 9:00 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 510 | $0 | 684,039 (Direct) | View |
| 2026-06-22 Tax Withholding | 2026-06-24 9:00 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | Foster Jonathan P. Chief Financial Officer | 41 | $3.12 | 307,950 (Direct) | View |
| 2026-06-20 Tax Withholding | 2026-06-24 9:00 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | Foster Jonathan P. Chief Financial Officer | 31 | $2.88 | 307,950 (Direct) | View |
| 2026-06-20 Exercise | 2026-06-24 9:00 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | Foster Jonathan P. Chief Financial Officer | 283 | $0 | 307,950 (Direct) | View |
| 2025-11-12 Option Award | 2025-11-14 4:08 pm | N/A 2035-11-12 | Moleculin Biotech Inc. | MBRX | PICKER DONALD H CSO | 400,000 | $0 | 791,016 (Direct) | View |
| 2025-11-12 Option Award | 2025-11-14 4:08 pm | N/A 2035-11-12 | Moleculin Biotech Inc. | MBRX | Foster Jonathan P. EVP & CFO | 1,000,000 | $0 | 3,635,390 (Direct) | View |
| 2025-11-12 Option Award | 2025-11-14 4:07 pm | N/A 2035-11-12 | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 1,580,000 | $0 | 7,171,462 (Direct) | View |
| 2025-11-12 Option Award | 2025-11-14 4:07 pm | 2026-11-12 2035-11-12 | Moleculin Biotech Inc. | MBRX | Yan Joy Director | 150,000 | $0 | 164,001 (Direct) | View |
| 2025-11-12 Option Award | 2025-11-14 4:06 pm | 2026-11-12 2035-11-12 | Moleculin Biotech Inc. | MBRX | Cermak Elizabeth Director | 150,000 | $0 | 164,668 (Direct) | View |
| 2025-11-12 Option Award | 2025-11-14 4:06 pm | 2026-11-12 2035-11-12 | Moleculin Biotech Inc. | MBRX | CANNON MICHAEL D Director | 150,000 | $0 | 165,336 (Direct) | View |
| 2025-11-12 Option Award | 2025-11-14 4:05 pm | 2026-11-12 2035-11-12 | Moleculin Biotech Inc. | MBRX | Climaco John M Director | 150,000 | $0 | 165,169 (Direct) | View |
| 2025-11-12 Option Award | 2025-11-14 4:05 pm | 2026-11-12 2035-11-12 | Moleculin Biotech Inc. | MBRX | George Robert E. Director | 150,000 | $0 | 165,336 (Direct) | View |
| 2025-11-04 Tax Withholding | 2025-11-06 8:25 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | PICKER DONALD H Chief Science Officer | 2,131 | $0.497 | 112,279 (Direct) | View |
| 2025-11-04 Exercise | 2025-11-06 8:25 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | PICKER DONALD H Chief Science Officer | 8,750 | $0 | 112,279 (Direct) | View |
| 2025-11-04 Tax Withholding | 2025-11-06 8:24 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 7,001 | $0.497 | 3,146,087 (Direct) | View |
| 2025-11-04 Exercise | 2025-11-06 8:24 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 28,750 | $0 | 3,146,087 (Direct) | View |
| 2025-11-04 Exercise | 2025-11-06 8:24 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | Foster Jonathan P. Chief Financial Officer | 5,023 | $0.497 | 1,320,884 (Direct) | View |
| 2025-11-04 Exercise | 2025-11-06 8:24 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | Foster Jonathan P. Chief Financial Officer | 20,625 | $0 | 1,320,884 (Direct) | View |
| 2025-06-20 Tax Withholding | 2025-06-23 4:35 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | Foster Jonathan P. Chief Financial Officer | 1,715 | $0.267 | 1,785,255 (Direct) | View |
| 2025-06-20 Exercise | 2025-06-23 4:35 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | Foster Jonathan P. Chief Financial Officer | 7,039 | $0 | 1,785,255 (Direct) | View |
| 2025-06-20 Tax Withholding | 2025-06-23 4:35 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 3,104 | $0.267 | 3,926,990 (Direct) | View |
| 2025-06-20 Exercise | 2025-06-23 4:35 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 12,740 | $0 | 3,926,990 (Direct) | View |
| 2025-06-20 Tax Withholding | 2025-06-23 4:34 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | PICKER DONALD H Chief Science Officer | 693 | $0.267 | 220,434 (Direct) | View |
| 2025-06-20 Exercise | 2025-06-23 4:34 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | PICKER DONALD H Chief Science Officer | 2,844 | $0 | 220,434 (Direct) | View |
| 2025-06-16 Exercise | 2025-06-18 9:01 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | Foster Jonathan P. Chief Financial Officer | 833 | $0 | 242,677 (Direct) | View |
| 2025-06-16 Tax Withholding | 2025-06-18 9:01 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | Foster Jonathan P. Chief Financial Officer | 203 | $0.6852 | 242,677 (Direct) | View |
| 2025-06-16 Exercise | 2025-06-18 9:00 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 1,667 | $0 | 428,371 (Direct) | View |
| 2025-06-16 Tax Withholding | 2025-06-18 9:00 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 406 | $0.6852 | 428,371 (Direct) | View |
| 2024-11-04 Option Award | 2024-11-06 8:06 pm | N/A 2034-11-04 | Moleculin Biotech Inc. | MBRX | Yan Joy Director | 10,000 | $0 | 14,001 (Direct) | View |
| 2024-11-04 Option Award | 2024-11-06 8:05 pm | N/A 2034-11-04 | Moleculin Biotech Inc. | MBRX | Cermak Elizabeth Director | 10,000 | $0 | 14,668 (Direct) | View |
| 2024-11-04 Option Award | 2024-11-06 8:04 pm | N/A 2034-11-04 | Moleculin Biotech Inc. | MBRX | Climaco John M Director | 10,000 | $0 | 15,169 (Direct) | View |
| 2024-11-04 Option Award | 2024-11-06 8:03 pm | N/A 2034-11-04 | Moleculin Biotech Inc. | MBRX | George Robert E. Director | 10,000 | $0 | 15,336 (Direct) | View |
| 2024-11-04 Option Award | 2024-11-06 8:03 pm | N/A 2034-11-04 | Moleculin Biotech Inc. | MBRX | CANNON MICHAEL D Director | 10,000 | $0 | 15,336 (Direct) | View |
| 2024-11-04 Option Award | 2024-11-06 8:03 pm | N/A 2034-11-04 | Moleculin Biotech Inc. | MBRX | PICKER DONALD H Chief Science Officer | 80,744 | $0 | 274,818 (Direct) | View |
| 2024-11-04 Option Award | 2024-11-06 8:00 pm | N/A 2034-11-04 | Moleculin Biotech Inc. | MBRX | Foster Jonathan P. Chief Financial Officer | 166,680 | $0 | 573,691 (Direct) | View |
| 2024-11-04 Option Award | 2024-11-06 8:00 pm | N/A 2024-11-04 | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 258,590 | $0 | 913,046 (Direct) | View |
| 2024-07-02 Tax Withholding | 2024-07-05 5:01 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 240 | $3.57 | 170,187 (Direct) | View |
| 2024-07-02 Exercise | 2024-07-05 5:01 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 982 | $0 | 170,187 (Direct) | View |
| 2024-06-22 Tax Withholding | 2024-06-25 6:02 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | PICKER DONALD H Chief Science Officer | 524 | $3.74 | 34,359 (Direct) | View |
| 2024-06-22 Exercise | 2024-06-25 6:02 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | PICKER DONALD H Chief Science Officer | 1,766 | $0 | 34,359 (Direct) | View |
| 2024-06-22 Tax Withholding | 2024-06-25 6:01 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | Foster Jonathan P. Chief Financial Officer | 1,053 | $3.74 | 76,200 (Direct) | View |
| 2024-06-22 Exercise | 2024-06-25 6:01 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | Foster Jonathan P. Chief Financial Officer | 4,329 | $0 | 76,200 (Direct) | View |
| 2024-06-22 Tax Withholding | 2024-06-25 6:00 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 2,190 | $3.74 | 170,427 (Direct) | View |
| 2024-06-22 Exercise | 2024-06-25 6:00 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 8,990 | $0 | 170,427 (Direct) | View |
| 2024-06-20 Tax Withholding | 2024-06-21 5:01 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | PICKER DONALD H Chief Science Officer | 320 | $3.78 | 34,883 (Direct) | View |
| 2024-06-20 Exercise | 2024-06-21 5:01 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | PICKER DONALD H Chief Science Officer | 1,078 | $0 | 34,883 (Direct) | View |
| 2024-06-20 Tax Withholding | 2024-06-21 5:01 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | Foster Jonathan P. Chief Financial Officer | 636 | $3.78 | 77,253 (Direct) | View |
| 2024-06-20 Exercise | 2024-06-21 5:01 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | Foster Jonathan P. Chief Financial Officer | 2,712 | $0 | 77,253 (Direct) | View |
| 2024-06-20 Tax Withholding | 2024-06-21 5:00 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 914 | $3.78 | 172,617 (Direct) | View |
| 2024-06-20 Exercise | 2024-06-21 5:00 pm | N/A N/A | Moleculin Biotech Inc. | MBRX | KLEMP WALTER V CEO and President | 3,750 | $0 | 172,617 (Direct) | View |