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 |
2024-01-16 Sale |
2024-01-17 6:47 pm |
DEXCOM INC | DXCM | ALTMAN STEVEN R Director |
1,568 | $122.86 | $192,652 | 56,017 (Indirect Direct) |
View |
2023-12-15 Sale |
2023-12-18 4:31 pm |
DEXCOM INC | DXCM | ALTMAN STEVEN R Director |
2,000 | $122.77 | $245,548 | 57,585 (Indirect Direct) |
View |
2023-12-12 Sale |
2023-12-13 4:18 pm |
DEXCOM INC | DXCM | ALTMAN STEVEN R Director |
3,000 | $120 | $360,004 | 59,585 (Indirect Direct) |
View |
2023-11-15 Sale |
2023-11-15 6:36 pm |
DEXCOM INC | DXCM | ALTMAN STEVEN R Director |
1,000 | $101.26 | $101,256 | 62,585 (Indirect Direct) |
View |
2023-10-16 Sale |
2023-10-17 4:15 pm |
DEXCOM INC | DXCM | ALTMAN STEVEN R Director |
1,000 | $77.58 | $77,580 | 63,585 (Indirect Direct) |
View |
2023-09-15 Sale |
2023-09-19 4:43 pm |
DEXCOM INC | DXCM | ALTMAN STEVEN R Director |
1,000 | $101.5 | $101,495 | 64,585 (Indirect Direct) |
View |
2020-09-15 Sale |
2020-09-16 7:36 pm |
DEXCOM INC | DXCM | ALTMAN STEVEN R Director |
30,000 | $393.92 | $11,817,600 | 13,786 (Indirect Direct) |
View |
2020-08-10 Sale |
2020-08-12 5:11 pm |
DEXCOM INC | DXCM | ALTMAN STEVEN R Director |
2,000 | $435.05 | $870,093 | 43,786 (Indirect Direct) |
View |
2020-07-10 Sale |
2020-07-14 4:27 pm |
DEXCOM INC | DXCM | ALTMAN STEVEN R Director |
2,000 | $437.5 | $874,993 | 45,786 (Indirect Direct) |
View |
2020-06-10 Sale |
2020-06-12 6:54 pm |
DEXCOM INC | DXCM | ALTMAN STEVEN R Director |
2,000 | $385.71 | $771,413 | 47,786 (Indirect 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 |
2024-05-22 Option Award |
2024-05-24 5:38 pm |
N/A N/A |
DEXCOM INC | DXCM | ALTMAN STEVEN R Director |
2,613 | $0 | 58,630 (Direct) |
View |
2024-05-18 Gift |
2024-05-21 4:06 pm |
N/A N/A |
DEXCOM INC | DXCM | ALTMAN STEVEN R Director |
2,885 | $0 | 56,017 (Direct) |
View |
2023-05-18 Gift |
2023-05-22 3:50 pm |
N/A N/A |
DEXCOM INC | DXCM | ALTMAN STEVEN R Director |
3,916 | $0 | 65,585 (Direct) |
View |
2023-05-18 Option Award |
2023-05-22 3:50 pm |
N/A N/A |
DEXCOM INC | DXCM | ALTMAN STEVEN R Director |
2,885 | $0.001 | 65,585 (Direct) |
View |
2022-05-19 Other |
2022-05-23 5:03 pm |
N/A N/A |
DEXCOM INC | DXCM | ALTMAN STEVEN R Director |
910 | $0 | 17,495 (Direct) |
View |
2022-05-20 Option Award |
2022-05-23 5:03 pm |
N/A N/A |
DEXCOM INC | DXCM | ALTMAN STEVEN R Director |
979 | $0.001 | 17,495 (Direct) |
View |
2021-05-20 Other |
2021-05-25 7:15 pm |
N/A N/A |
DEXCOM INC | DXCM | ALTMAN STEVEN R Director |
806 | $0 | 16,308 (Direct) |
View |
2021-05-21 Option Award |
2021-05-25 7:15 pm |
N/A N/A |
DEXCOM INC | DXCM | ALTMAN STEVEN R Director |
910 | $0.001 | 16,308 (Direct) |
View |
Ownership |
2021-01-07 9:35 pm |
N/A N/A |
Prospector Capital Corp. | PRSR | Prospector Sponsor LLC ABERLE DEREK K Stone Nick ALTMAN STEVEN R *Director by Deputization Director 10% Owner |
0 | $0 | 8,625,000 (Direct) |
View |
2020-05-21 Other |
2020-05-27 5:33 pm |
N/A N/A |
DEXCOM INC | DXCM | ALTMAN STEVEN R Director |
2,676 | $0 | 55,138 (Direct) |
View |
2020-05-22 Option Award |
2020-05-27 5:33 pm |
N/A N/A |
DEXCOM INC | DXCM | ALTMAN STEVEN R Director |
806 | $0.001 | 55,138 (Direct) |
View |