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 |
2023-05-04 Sale |
2023-05-05 4:54 pm |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
15,875 | $117.53 | $1,865,843 | 48,269 (Direct) |
View |
2022-10-28 Sale |
2022-11-01 4:36 pm |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
31,997 | $100.34 | $3,210,685 | 56,978 (Direct) |
View |
2021-11-03 Sale |
2021-11-04 4:19 pm |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
25,000 | $88.45 | $2,211,215 | 52,796 (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 |
2024-06-04 Option Award |
2024-06-05 6:57 pm |
N/A 2034-06-04 |
Coherus BioSciences Inc. | CHRS | Karachun Rita A Director |
168,000 | $0 | 168,000 (Direct) |
View |
2023-05-03 Tax Withholding |
2023-05-05 4:54 pm |
N/A N/A |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
276 | $117.89 | 48,269 (Direct) |
View |
2023-05-03 Exercise |
2023-05-05 4:54 pm |
2023-05-03 2025-05-03 |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
17,627 | $0 | 48,269 (Direct) |
View |
2023-05-04 Tax Withholding |
2023-05-05 4:54 pm |
N/A N/A |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
326 | $118.22 | 48,269 (Direct) |
View |
2023-05-03 Exercise |
2023-05-05 4:54 pm |
N/A N/A |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
803 | $117.89 | 48,269 (Direct) |
View |
2023-05-04 Exercise |
2023-05-05 4:54 pm |
N/A N/A |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
949 | $118.22 | 48,269 (Direct) |
View |
2023-05-04 Exercise |
2023-05-05 4:54 pm |
N/A N/A |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
15,875 | $62.07 | 48,269 (Direct) |
View |
2023-05-02 Option Award |
2023-05-04 6:33 pm |
2024-05-02 2033-05-01 |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
11,463 | $0 | 56,023 (Direct) |
View |
2023-05-01 Tax Withholding |
2023-05-03 4:24 pm |
N/A N/A |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
319 | $115.47 | 44,560 (Direct) |
View |
2023-05-01 Exercise |
2023-05-03 4:24 pm |
N/A N/A |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
930 | $115.47 | 44,560 (Direct) |
View |
2023-05-01 Exercise |
2023-05-03 4:24 pm |
2021-05-01 2023-05-01 |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
930 | $0 | 44,560 (Direct) |
View |
2023-01-23 Option Award |
2023-01-25 5:26 pm |
N/A N/A |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
2,846 | $109.88 | 43,949 (Direct) |
View |
2022-10-28 Exercise |
2022-11-01 4:36 pm |
2017-05-10 2026-05-09 |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
31,997 | $0 | 56,978 (Direct) |
View |
2022-05-04 Tax Withholding |
2022-05-05 5:19 pm |
N/A N/A |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
326 | $87.1 | 59,006 (Direct) |
View |
2022-05-04 Exercise |
2022-05-05 5:19 pm |
2022-05-04 2024-05-04 |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
949 | $0 | 59,006 (Direct) |
View |
2022-05-03 Option Award |
2022-05-05 5:19 pm |
2023-05-03 2032-05-02 |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
16,003 | $0 | 59,006 (Direct) |
View |
2022-05-04 Exercise |
2022-05-05 5:19 pm |
N/A N/A |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
949 | $87.1 | 59,006 (Direct) |
View |
2022-05-03 Exercise |
2022-05-04 5:37 pm |
N/A N/A |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
902 | $87.65 | 40,480 (Direct) |
View |
2022-05-03 Exercise |
2022-05-04 5:37 pm |
2020-05-03 2022-05-03 |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
902 | $0 | 40,480 (Direct) |
View |
2022-05-03 Tax Withholding |
2022-05-04 5:37 pm |
N/A N/A |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
309 | $87.65 | 40,480 (Direct) |
View |
2022-05-01 Tax Withholding |
2022-05-03 4:17 pm |
N/A N/A |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
318 | $88.69 | 40,817 (Direct) |
View |
2022-05-01 Exercise |
2022-05-03 4:17 pm |
2021-05-01 2023-05-01 |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
928 | $0 | 40,817 (Direct) |
View |
2022-05-01 Exercise |
2022-05-03 4:17 pm |
N/A N/A |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
928 | $88.69 | 40,817 (Direct) |
View |
2022-02-24 Option Award |
2022-02-28 4:19 pm |
N/A N/A |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
3,478 | $73.51 | 39,277 (Direct) |
View |
2021-11-03 Exercise |
2021-11-04 4:19 pm |
2017-05-10 2026-05-09 |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
25,000 | $0 | 52,796 (Direct) |
View |
2021-05-04 Tax Withholding |
2021-05-06 5:02 pm |
N/A N/A |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
416 | $75.98 | 59,992 (Direct) |
View |
2021-05-04 Exercise |
2021-05-06 5:02 pm |
2019-05-04 2021-05-04 |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
1,212 | $0 | 59,992 (Direct) |
View |
2021-05-04 Option Award |
2021-05-06 5:02 pm |
2022-05-04 2031-05-03 |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
24,193 | $0 | 59,992 (Direct) |
View |
2021-05-04 Exercise |
2021-05-06 5:02 pm |
N/A N/A |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
1,212 | $75.98 | 59,992 (Direct) |
View |
2021-05-01 Tax Withholding |
2021-05-04 4:50 pm |
N/A N/A |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
609 | $74.5 | 37,681 (Direct) |
View |
2021-05-01 Exercise |
2021-05-04 4:50 pm |
2021-05-01 2023-05-01 |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
1,776 | $0 | 37,681 (Direct) |
View |
2021-05-01 Exercise |
2021-05-04 4:50 pm |
N/A N/A |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
1,776 | $74.5 | 37,681 (Direct) |
View |
2021-02-26 Option Award |
2021-03-02 11:56 am |
N/A N/A |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
6,052 | $72.62 | 33,836 (Direct) |
View |
2020-05-04 Tax Withholding |
2020-05-06 5:15 pm |
N/A N/A |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
597 | $77.67 | 28,996 (Direct) |
View |
2020-05-04 Exercise |
2020-05-06 5:15 pm |
N/A N/A |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
1,212 | $77.67 | 28,996 (Direct) |
View |
2020-05-04 Exercise |
2020-05-06 5:15 pm |
2019-05-04 2021-05-04 |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
4,495 | $0 | 28,996 (Direct) |
View |
2020-05-05 Tax Withholding |
2020-05-06 5:15 pm |
N/A N/A |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
1,617 | $76.86 | 28,996 (Direct) |
View |
2020-05-05 Exercise |
2020-05-06 5:15 pm |
N/A N/A |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
3,283 | $76.86 | 28,996 (Direct) |
View |
2020-05-03 Tax Withholding |
2020-05-05 4:48 pm |
N/A N/A |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
431 | $77.67 | 51,101 (Direct) |
View |
2020-05-03 Exercise |
2020-05-05 4:48 pm |
N/A N/A |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
875 | $77.67 | 51,101 (Direct) |
View |
2020-05-03 Exercise |
2020-05-05 4:48 pm |
2020-05-03 2022-05-03 |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
875 | $0 | 51,101 (Direct) |
View |
2020-05-01 Option Award |
2020-05-05 4:48 pm |
2021-05-01 2030-04-30 |
Merck & Co. Inc. | MRK | Karachun Rita A Sr. VP Fince-Global Controller |
23,848 | $0 | 51,101 (Direct) |
View |