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 |
2022-12-01 Sale | 2022-12-05 5:49 pm | Sema4 Holdings Corp. | SMFR | Meister Keith A. Director | 6,789,360 | $0.399 | $2,708,955 | 26,931,250 (Indirect) | View |
2022-04-29 Purchase | 2022-05-03 4:01 pm | Sema4 Holdings Corp. | SMFR | Meister Keith A. Director | 11,437,500 | $4 | $45,750,000 | 26,931,250 (Indirect) | View |
2022-02-14 Sale | 2022-02-15 6:00 pm | MGM Resorts International | MGM | Meister Keith A. Director | 4,500,000 | $45 | $202,500,000 | 6,673,778 (Indirect) | View |
2021-02-24 Sale | 2021-02-26 7:18 pm | MGM Resorts International | MGM | Meister Keith A. Director | 6,863,918 | $38.05 | $261,186,024 | 15,673,778 (Indirect) | View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
2023-05-02 Exercise | 2023-05-04 6:33 pm | N/A N/A | MGM Resorts International | MGM | Meister Keith A. Director | 8,908 | $0 | 45,276 (Direct) | View |
2023-05-03 Option Award | 2023-05-04 6:33 pm | N/A N/A | MGM Resorts International | MGM | Meister Keith A. Director | 4,344 | $0 | 45,276 (Direct) | View |
2023-05-02 Exercise | 2023-05-04 4:09 pm | N/A N/A | GeneDx Holdings Corp. | WGS | Meister Keith A. Director 10% Owner | 45,454 | $0 | 120,187,344 (Direct) | View |
2023-04-17 Option Award | 2023-04-19 5:30 pm | N/A N/A | GeneDx Holdings Corp. | WGS | Meister Keith A. Corvex Management LP Director 10% Owner | 22,336,624 | $0.35 | 120,141,890 (Indirect) | View |
2023-03-31 Option Award | 2023-04-04 6:21 pm | N/A N/A | MGM Resorts International | MGM | Meister Keith A. Director | 732 | $44.42 | 36,478 (Direct) | View |
2023-01-31 Option Award | 2023-02-02 4:05 pm | N/A N/A | GeneDx Holdings Corp. | WGS | Meister Keith A. Director 10% Owner | 77,663,376 | $0.35 | 97,805,266 (Indirect) | View |
2022-12-31 Option Award | 2023-01-03 6:34 pm | N/A N/A | MGM Resorts International | MGM | Meister Keith A. Director | 969 | $33.53 | 35,747 (Direct) | View |
2022-12-15 Option Award | 2022-12-19 4:55 pm | N/A N/A | MGM Resorts International | MGM | Meister Keith A. Director | 3 | $0 | 39,232 (Direct) | View |
2022-12-01 Other | 2022-12-05 5:49 pm | N/A N/A | Sema4 Holdings Corp. | SMFR | Meister Keith A. Director | 6,789,360 | $0.399 | 26,931,250 (Indirect) | View |
2022-09-30 Option Award | 2022-10-04 8:05 pm | N/A N/A | MGM Resorts International | MGM | Meister Keith A. Director | 1,094 | $29.72 | 34,775 (Direct) | View |
2022-09-15 Option Award | 2022-09-19 7:05 pm | N/A N/A | MGM Resorts International | MGM | Meister Keith A. Director | 3 | $0 | 38,135 (Direct) | View |
2022-06-30 Option Award | 2022-07-05 7:30 pm | N/A N/A | MGM Resorts International | MGM | Meister Keith A. Director | 1,123 | $28.95 | 33,679 (Direct) | View |
2022-06-15 Option Award | 2022-06-17 5:56 pm | N/A N/A | MGM Resorts International | MGM | Meister Keith A. Director | 3 | $0 | 37,010 (Direct) | View |
2022-05-02 Option Award(A) | 2022-05-06 7:02 pm | N/A 2032-05-01 | Sema4 Holdings Corp. | SMFR | Meister Keith A. Director | 78,914 | $0 | 78,914 (Direct) | View |
2022-05-04 Exercise | 2022-05-06 4:56 pm | N/A N/A | MGM Resorts International | MGM | Meister Keith A. Director | 8,998 | $0 | 37,007 (Direct) | View |
2022-05-05 Option Award | 2022-05-06 4:56 pm | N/A N/A | MGM Resorts International | MGM | Meister Keith A. Director | 4,453 | $0 | 37,007 (Direct) | View |
2022-05-02 Option Award | 2022-05-04 8:31 pm | N/A 2032-05-01 | Sema4 Holdings Corp. | SMFR | Meister Keith A. Director | 124,368 | $0 | 124,368 (Direct) | View |
2022-03-31 Option Award | 2022-04-04 6:01 pm | N/A N/A | MGM Resorts International | MGM | Meister Keith A. Director | 775 | $41.94 | 28,055 (Direct) | View |
2022-03-15 Option Award | 2022-03-17 7:16 pm | N/A N/A | MGM Resorts International | MGM | Meister Keith A. Director | 2 | $0 | 31,779 (Direct) | View |
2022-02-14 Disposition | 2022-02-15 6:00 pm | N/A N/A | MGM Resorts International | MGM | Meister Keith A. Director | 4,500,000 | $45 | 6,673,778 (Indirect) | View |
Ownership | 2022-01-25 12:18 pm | N/A N/A | Sema4 Holdings Corp. | SMFR | Meister Keith A. Director | 0 | $0 | 22,230,419 (Indirect) | View |
2021-12-31 Option Award | 2022-01-04 9:17 pm | N/A N/A | MGM Resorts International | MGM | Meister Keith A. Director | 72 | $44.88 | 27,278 (Direct) | View |
2021-12-15 Option Award | 2021-12-17 7:00 pm | N/A N/A | MGM Resorts International | MGM | Meister Keith A. Director | 2 | $0 | 31,704 (Direct) | View |
2021-09-30 Option Award | 2021-10-04 5:48 pm | N/A N/A | MGM Resorts International | MGM | Meister Keith A. Director | 75 | $43.15 | 27,204 (Direct) | View |
2021-09-15 Option Award | 2021-09-17 6:18 pm | N/A N/A | MGM Resorts International | MGM | Meister Keith A. Director | 2 | $0 | 31,627 (Direct) | View |
2021-06-30 Option Award | 2021-07-02 7:08 pm | N/A N/A | MGM Resorts International | MGM | Meister Keith A. Director | 76 | $42.65 | 27,127 (Direct) | View |
2021-06-15 Option Award | 2021-06-17 5:43 pm | N/A N/A | MGM Resorts International | MGM | Meister Keith A. Director | 2 | $0 | 31,549 (Direct) | View |
2021-05-05 Exercise | 2021-05-07 5:36 pm | N/A 2021-05-05 | MGM Resorts International | MGM | Meister Keith A. Director | 20,102 | $0 | 31,547 (Direct) | View |
2021-05-06 Option Award | 2021-05-07 5:36 pm | N/A N/A | MGM Resorts International | MGM | Meister Keith A. Director | 4,498 | $0 | 31,547 (Direct) | View |
Ownership | 2021-04-06 9:55 pm | N/A N/A | CM Life Sciences III Inc. | CMLT | CMLS Holdings III LLC C-LSH III LLC M-LSH III LLC Casdin Eli Meister Keith A. 10% Owner | 0 | $0 | 13,700,000 (Direct) | View |
2021-03-31 Option Award | 2021-04-02 6:28 pm | N/A N/A | MGM Resorts International | MGM | Meister Keith A. Director | 59 | $37.99 | 16,998 (Direct) | View |
2021-03-15 Option Award | 2021-03-17 7:26 pm | N/A N/A | MGM Resorts International | MGM | Meister Keith A. Director | 2 | $0 | 26,990 (Direct) | View |
Ownership | 2021-02-22 9:52 pm | N/A N/A | CM Life Sciences II Inc. | CMII | CMLS Holdings II LLC C-LSH II LLC M-LSH II LLC Casdin Eli Meister Keith A. 10% Owner | 0 | $0 | 6,900,000 (Direct) | View |
2020-12-31 Option Award | 2021-01-05 7:38 pm | N/A N/A | MGM Resorts International | MGM | Meister Keith A. Director | 714 | $31.51 | 16,938 (Direct) | View |
2020-12-15 Option Award | 2020-12-17 5:26 pm | N/A N/A | MGM Resorts International | MGM | Meister Keith A. Director | 2 | $0 | 26,274 (Direct) | View |
2020-09-30 Option Award | 2020-10-02 6:02 pm | N/A N/A | MGM Resorts International | MGM | Meister Keith A. Director | 1,034 | $21.75 | 16,223 (Direct) | View |
2020-09-15 Option Award | 2020-09-17 7:09 pm | N/A N/A | MGM Resorts International | MGM | Meister Keith A. Director | 3 | $0 | 25,238 (Direct) | View |
Ownership | 2020-09-01 3:45 pm | N/A N/A | CM Life Sciences Inc. | CMLF | CMLS Holdings LLC C-LSH LLC M-LSH LLC Casdin Eli Meister Keith A. 10% Owner | 0 | $0 | 9,987,500 (Direct) | View |
2020-06-30 Option Award | 2020-07-02 5:10 pm | N/A N/A | MGM Resorts International | MGM | Meister Keith A. Director | 1,339 | $16.8 | 15,187 (Direct) | View |
2020-06-15 Option Award | 2020-06-17 8:04 pm | N/A N/A | MGM Resorts International | MGM | Meister Keith A. Director | 3 | $0 | 23,896 (Direct) | View |