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 |
2025-02-03 Sale |
2025-02-05 6:32 pm |
Zentalis Pharmaceuticals Inc. | ZNTL | Lackner Mark Chief Scientific Officer |
14,368 | $1.7115 | $24,591 | 637,570 (Direct) |
View |
2025-01-02 Sale |
2025-01-03 5:17 pm |
Zentalis Pharmaceuticals Inc. | ZNTL | Lackner Mark Chief Scientific Officer |
4,411 | $3.12 | $13,762 | 191,317 (Direct) |
View |
2024-02-02 Sale |
2024-02-05 7:15 pm |
Zentalis Pharmaceuticals Inc. | ZNTL | Lackner Mark Chief Scientific Officer |
1,585 | $11.54 | $18,291 | 336,728 (Direct) |
View |
2021-02-08 Sale |
2021-02-10 6:53 pm |
IDEAYA Biosciences Inc. | IDYA | Lackner Mark SVP, Head of Biology |
2,000 | $21.03 | $42,052 | 101,338 (Direct) |
View |
2021-01-26 Sale |
2021-01-28 4:59 pm |
IDEAYA Biosciences Inc. | IDYA | Lackner Mark SVP, Head of Biology |
2,501 | $18.46 | $46,158 | 96,774 (Direct) |
View |
2020-06-16 Sale |
2020-06-18 6:03 pm |
IDEAYA Biosciences Inc. | IDYA | Lackner Mark SVP, Head of Biology |
7,123 | $15.19 | $108,188 | 160,784 (Direct) |
View |
2020-06-02 Sale |
2020-06-04 5:40 pm |
IDEAYA Biosciences Inc. | IDYA | Lackner Mark SVP, Head of Biology |
845 | $9.2061 | $7,779 | 0 (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 |
2025-02-03 Option Award |
2025-02-05 6:32 pm |
N/A 2035-02-02 |
Zentalis Pharmaceuticals Inc. | ZNTL | Lackner Mark Chief Scientific Officer |
460,621 | $0 | 637,570 (Direct) |
View |
2024-02-01 Option Award |
2024-02-05 7:15 pm |
N/A 2034-01-31 |
Zentalis Pharmaceuticals Inc. | ZNTL | Lackner Mark Chief Scientific Officer |
141,000 | $0 | 336,728 (Direct) |
View |
2024-01-02 Option Award |
2024-01-03 8:21 pm |
N/A 2034-01-02 |
Zentalis Pharmaceuticals Inc. | ZNTL | Lackner Mark Chief Scientific Officer |
100,000 | $0 | 116,313 (Direct) |
View |
Ownership |
2024-01-03 8:19 pm |
N/A N/A |
Zentalis Pharmaceuticals Inc. | ZNTL | Lackner Mark Chief Scientific Officer |
0 | $0 | 255,000 (Direct) |
View |
2021-02-24 Option Award |
2021-02-26 7:10 pm |
N/A 2031-02-23 |
IDEAYA Biosciences Inc. | IDYA | Lackner Mark SVP, Head of Biology |
45,000 | $0 | 45,000 (Direct) |
View |
2021-02-08 Exercise |
2021-02-10 6:53 pm |
N/A 2028-12-11 |
IDEAYA Biosciences Inc. | IDYA | Lackner Mark SVP, Head of Biology |
2,000 | $0 | 101,338 (Direct) |
View |
2021-02-08 Exercise |
2021-02-10 6:53 pm |
N/A N/A |
IDEAYA Biosciences Inc. | IDYA | Lackner Mark SVP, Head of Biology |
2,000 | $6.98 | 101,338 (Direct) |
View |
2021-01-26 Exercise |
2021-01-28 4:59 pm |
N/A N/A |
IDEAYA Biosciences Inc. | IDYA | Lackner Mark SVP, Head of Biology |
377 | $4.62 | 96,774 (Direct) |
View |
2021-01-26 Exercise |
2021-01-28 4:59 pm |
N/A 2028-06-20 |
IDEAYA Biosciences Inc. | IDYA | Lackner Mark SVP, Head of Biology |
1,500 | $0 | 96,774 (Direct) |
View |
2021-01-26 Exercise |
2021-01-28 4:59 pm |
N/A N/A |
IDEAYA Biosciences Inc. | IDYA | Lackner Mark SVP, Head of Biology |
1,123 | $6.98 | 96,774 (Direct) |
View |
2020-06-16 Exercise |
2020-06-18 6:03 pm |
N/A N/A |
IDEAYA Biosciences Inc. | IDYA | Lackner Mark SVP, Head of Biology |
4,260 | $4.62 | 160,784 (Direct) |
View |
2020-06-16 Exercise |
2020-06-18 6:03 pm |
N/A 2028-06-20 |
IDEAYA Biosciences Inc. | IDYA | Lackner Mark SVP, Head of Biology |
7,123 | $0 | 160,784 (Direct) |
View |
2020-06-16 Exercise |
2020-06-18 6:03 pm |
N/A N/A |
IDEAYA Biosciences Inc. | IDYA | Lackner Mark SVP, Head of Biology |
2,863 | $6.98 | 160,784 (Direct) |
View |