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 |
| 2021-06-07 Sale | 2021-06-09 7:04 pm | BIOGEN INC. | BIIB | Guindo Chirfi Head of Glob Prod Strat & Com | 3,087 | $440 | $1,358,280 | 2,919 (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 |
| 2024-08-05 Exercise | 2024-08-06 12:20 pm | N/A N/A | Merck & Co. Inc. | MRK | Guindo Chirfi Chief Marketing Officer | 36,901 | $115.2 | 77,326 (Direct) | View |
| 2024-08-05 Tax Withholding | 2024-08-06 12:20 pm | N/A N/A | Merck & Co. Inc. | MRK | Guindo Chirfi Chief Marketing Officer | 17,412 | $115.2 | 77,326 (Direct) | View |
| 2024-08-05 Exercise | 2024-08-06 12:20 pm | 2023-08-03 2025-08-03 | Merck & Co. Inc. | MRK | Guindo Chirfi Chief Marketing Officer | 36,901 | $0 | 77,326 (Direct) | View |
| 2024-04-30 Option Award | 2024-05-02 4:22 pm | 2025-04-30 2034-04-29 | Merck & Co. Inc. | MRK | Guindo Chirfi Chief Marketing Officer | 29,297 | $0 | 50,104 (Direct) | View |
| 2023-08-03 Exercise | 2023-08-04 4:17 pm | N/A N/A | Merck & Co. Inc. | MRK | Guindo Chirfi Chief Marketing Officer | 36,901 | $105.7 | 94,209 (Direct) | View |
| 2023-08-03 Exercise | 2023-08-04 4:17 pm | 2023-08-03 2025-08-03 | Merck & Co. Inc. | MRK | Guindo Chirfi Chief Marketing Officer | 36,901 | $0 | 94,209 (Direct) | View |
| 2023-08-03 Tax Withholding | 2023-08-04 4:17 pm | N/A N/A | Merck & Co. Inc. | MRK | Guindo Chirfi Chief Marketing Officer | 17,989 | $105.7 | 94,209 (Direct) | View |
| 2023-05-02 Option Award | 2023-05-04 5:43 pm | 2024-05-02 2033-05-01 | Merck & Co. Inc. | MRK | Guindo Chirfi Chief Marketing Officer | 34,578 | $0 | 36,061 (Direct) | View |
Ownership(A) | 2023-04-28 4:18 pm | N/A N/A | Merck & Co. Inc. | MRK | Guindo Chirfi Chief Marketing Officer | 0 | $0 | 1,450 (Direct) | View |
| 2022-08-03 Option Award | 2022-08-04 4:04 pm | 2023-08-03 2025-08-03 | Merck & Co. Inc. | MRK | Guindo Chirfi Chief Marketing Officer | 110,705 | $0 | 110,759 (Direct) | View |
Ownership | 2022-07-08 11:48 am | N/A N/A | Merck & Co. Inc. | MRK | Guindo Chirfi Chief Marketing Officer | 0 | $0 | 53 (Direct) | View |
| 2022-02-18 Other | 2022-02-23 4:15 pm | N/A 2024-02-18 | BIOGEN INC. | BIIB | Guindo Chirfi Head of Glob Prod Strat & Com | 2,851 | $0 | 29,551 (Direct) | View |
| 2022-02-18 Exercise | 2022-02-23 4:15 pm | N/A 2024-02-18 | BIOGEN INC. | BIIB | Guindo Chirfi Head of Glob Prod Strat & Com | 1,981 | $0 | 29,551 (Direct) | View |
| 2022-02-18 Tax Withholding | 2022-02-23 4:15 pm | N/A N/A | BIOGEN INC. | BIIB | Guindo Chirfi Head of Glob Prod Strat & Com | 879 | $209.79 | 29,551 (Direct) | View |
| 2022-02-12 Tax Withholding | 2022-02-15 4:15 pm | N/A N/A | BIOGEN INC. | BIIB | Guindo Chirfi Head of Glob Prod Strat & Com | 2,342 | $214.59 | 18,773 (Direct) | View |
| 2022-02-12 Other | 2022-02-15 4:15 pm | N/A 2022-02-12 | BIOGEN INC. | BIIB | Guindo Chirfi Head of Glob Prod Strat & Com | 4,875 | $0 | 18,773 (Direct) | View |
| 2022-02-12 Exercise | 2022-02-15 4:15 pm | N/A 2022-02-12 | BIOGEN INC. | BIIB | Guindo Chirfi Head of Glob Prod Strat & Com | 2,597 | $0 | 18,773 (Direct) | View |
| 2022-02-10 Option Award | 2022-02-14 4:26 pm | N/A 2025-02-10 | BIOGEN INC. | BIIB | Guindo Chirfi Head of Glob Prod Strat & Com | 9,090 | $0 | 15,097 (Direct) | View |
| 2022-01-19 Option Award | 2022-01-21 4:47 pm | N/A N/A | BIOGEN INC. | BIIB | Guindo Chirfi Head of Glob Prod Strat & Com | 3,088 | $0 | 6,007 (Direct) | View |
| 2021-02-18 Option Award | 2021-02-22 4:11 pm | N/A 2024-02-18 | BIOGEN INC. | BIIB | Guindo Chirfi EVP Glob. Prod Strat and Comm | 14,500 | $0 | 14,500 (Direct) | View |
| 2021-02-12 Other | 2021-02-17 4:58 pm | N/A 2022-02-12 | BIOGEN INC. | BIIB | Guindo Chirfi EVP Glob. Prod Strat and Comm | 4,312 | $0 | 32,898 (Direct) | View |
| 2021-02-12 Tax Withholding | 2021-02-17 4:58 pm | N/A N/A | BIOGEN INC. | BIIB | Guindo Chirfi EVP Glob. Prod Strat and Comm | 940 | $278.03 | 32,898 (Direct) | View |
| 2021-02-12 Exercise | 2021-02-17 4:58 pm | N/A 2022-02-12 | BIOGEN INC. | BIIB | Guindo Chirfi EVP Glob. Prod Strat and Comm | 3,156 | $0 | 32,898 (Direct) | View |
| 2020-12-01 Tax Withholding | 2020-12-03 5:41 pm | N/A N/A | BIOGEN INC. | BIIB | Guindo Chirfi EVP Glob. Prod Strat and Comm | 562 | $243.16 | 4,483 (Direct) | View |
| 2020-12-01 Other | 2020-12-03 5:41 pm | N/A 2020-12-01 | BIOGEN INC. | BIIB | Guindo Chirfi EVP Glob. Prod Strat and Comm | 693 | $0 | 4,483 (Direct) | View |
| 2020-12-01 Exercise | 2020-12-03 5:41 pm | N/A 2020-12-01 | BIOGEN INC. | BIIB | Guindo Chirfi EVP Glob. Prod Strat and Comm | 481 | $0 | 4,483 (Direct) | View |
| 2020-02-12 Other | 2020-02-14 6:34 pm | N/A 2022-02-12 | BIOGEN INC. | BIIB | Guindo Chirfi EVP Glob. Prod Strat and Comm | 1,972 | $0 | 31,909 (Direct) | View |
| 2020-02-12 Option Award | 2020-02-14 6:34 pm | N/A 2023-02-12 | BIOGEN INC. | BIIB | Guindo Chirfi EVP Glob. Prod Strat and Comm | 11,450 | $0 | 31,909 (Direct) | View |
| 2020-02-12 Exercise | 2020-02-14 6:34 pm | N/A 2022-02-12 | BIOGEN INC. | BIIB | Guindo Chirfi EVP Glob. Prod Strat and Comm | 1,680 | $0 | 31,909 (Direct) | View |
| 2020-02-12 Tax Withholding | 2020-02-14 6:34 pm | N/A N/A | BIOGEN INC. | BIIB | Guindo Chirfi EVP Glob. Prod Strat and Comm | 504 | $331.76 | 31,909 (Direct) | View |
| 2019-12-01 Other | 2019-12-03 5:59 pm | N/A 2020-12-01 | BIOGEN INC. | BIIB | Guindo Chirfi EVP Glob. Prod Strat and Comm | 625 | $0 | 5,668 (Direct) | View |
| 2019-12-01 Tax Withholding | 2019-12-03 5:59 pm | N/A N/A | BIOGEN INC. | BIIB | Guindo Chirfi EVP Glob. Prod Strat and Comm | 391 | $299.81 | 5,668 (Direct) | View |
| 2019-12-01 Exercise | 2019-12-03 5:59 pm | N/A 2020-12-01 | BIOGEN INC. | BIIB | Guindo Chirfi EVP Glob. Prod Strat and Comm | 543 | $0 | 5,668 (Direct) | View |