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 |
2022-11-02 Sale | 2022-11-04 2:20 pm | iRhythm Technologies Inc. | IRTC | Blackford Quentin S. President and CEO | 12,699 | $122.4 | $1,554,398 | 89,280 (Direct) | View |
2021-09-08 Sale | 2021-09-10 4:15 pm | DEXCOM INC | DXCM | Blackford Quentin S. Chief Operating Officer | 18,662 | $547.62 | $10,219,648 | 19,280 (Direct) | View |
2021-05-28 Sale | 2021-06-01 9:14 pm | DEXCOM INC | DXCM | Blackford Quentin S. Chief Operating Officer | 7,223 | $375 | $2,708,625 | 37,942 (Direct) | View |
2021-03-10 Sale | 2021-03-12 5:38 pm | DEXCOM INC | DXCM | Blackford Quentin S. Chief Operating Officer & CFO | 6,509 | $362.22 | $2,357,688 | 45,165 (Direct) | View |
2020-09-09 Sale | 2020-09-11 6:57 pm | DEXCOM INC | DXCM | Blackford Quentin S. Chief Operating Officer & CFO | 25,079 | $399.41 | $10,016,863 | 44,124 (Direct) | View |
2019-08-09 Purchase(A) | 2020-06-05 4:48 pm | Axogen Inc. | AXGN | Blackford Quentin S. Director | 15,535 | $14.01 | $217,673 | 15,535 (Direct) | View |
2020-03-11 Sale | 2020-03-13 9:17 pm | DEXCOM INC | DXCM | Blackford Quentin S. Chief Operating Officer & CFO | 12,561 | $248.98 | $3,127,448 | 69,203 (Direct) | View |
2020-03-09 Sale | 2020-03-10 8:19 pm | DEXCOM INC | DXCM | Blackford Quentin S. Chief Operating Officer & CFO | 891 | $261 | $232,551 | 81,764 (Direct) | View |
2019-09-10 Sale | 2019-09-12 4:25 pm | DEXCOM INC | DXCM | Blackford Quentin S. EVP Chief Financial Officer | 10,320 | $141.25 | $1,457,691 | 69,754 (Direct) | View |
2019-09-09 Sale | 2019-09-11 9:36 pm | DEXCOM INC | DXCM | Blackford Quentin S. EVP Chief Financial Officer | 11,686 | $149.86 | $1,751,232 | 80,074 (Direct) | View |
2019-08-09 Purchase | 2019-08-13 08:45 am | Axogen Inc. | AXGN | Blackford Quentin S. Director | 15,535 | $14.01 | $217,673 | 39,468 (Direct) | View |
2019-05-29 Sale | 2019-05-30 4:56 pm | DEXCOM INC | DXCM | Blackford Quentin S. EVP Chief Financial Officer | 8,874 | $118.95 | $1,055,527 | 91,740 (Direct) | View |
2019-03-12 Sale | 2019-03-13 7:00 pm | DEXCOM INC | DXCM | Blackford Quentin S. EVP Chief Financial Officer | 5,358 | $142.79 | $765,081 | 100,614 (Direct) | View |
2018-09-11 Sale | 2018-09-13 9:48 pm | DEXCOM INC | DXCM | Blackford Quentin S. EVP, CFO, PFO & PAO | 8,440 | $147.04 | $1,241,028 | 87,131 (Direct) | View |
2018-09-10 Sale | 2018-09-12 9:18 pm | DEXCOM INC | DXCM | Blackford Quentin S. EVP, CFO, PFO & PAO | 7,149 | $143.76 | $1,027,706 | 95,571 (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 |
2023-05-17 Option Award | 2023-05-19 6:32 pm | N/A N/A | Paragon 28 Inc. | FNA | Blackford Quentin S. Director | 8,361 | $0 | 34,648 (Direct) | View |
2023-02-27 Option Award | 2023-03-01 6:14 pm | N/A N/A | iRhythm Technologies Inc. | IRTC | Blackford Quentin S. President and CEO | 28,775 | $0 | 118,524 (Direct) | View |
Ownership(A) | 2023-02-22 5:09 pm | N/A N/A | Paragon 28 Inc. | FNA | Blackford Quentin S. Director | 0 | $0 | 10,000 (Direct) | View |
2022-08-01 Option Award | 2022-08-04 5:25 pm | N/A N/A | Paragon 28 Inc. | FNA | Blackford Quentin S. Director | 16,287 | $18.42 | 16,287 (Direct) | View |
2022-06-15 Option Award | 2022-06-17 3:31 pm | N/A N/A | Alphatec Holdings Inc. | ATEC | Blackford Quentin S. Director | 18,546 | $0 | 542,697 (Direct) | View |
2022-03-30 Exercise | 2022-04-01 4:55 pm | N/A N/A | Axogen Inc. | AXGN | Blackford Quentin S. Director | 3,036 | $0 | 27,335 (Direct) | View |
2021-10-05 Option Award | 2021-10-07 7:27 pm | N/A N/A | iRhythm Technologies Inc. | IRTC | Blackford Quentin S. President and CEO | 101,979 | $0 | 101,979 (Direct) | View |
2021-06-16 Option Award | 2021-06-21 2:15 pm | N/A N/A | Alphatec Holdings Inc. | ATEC | Blackford Quentin S. Director | 10,221 | $0 | 524,151 (Direct) | View |
2021-06-01 Exercise | 2021-06-03 5:13 pm | N/A N/A | Axogen Inc. | AXGN | Blackford Quentin S. Director | 6,173 | $0 | 33,365 (Direct) | View |
2021-06-01 Option Award | 2021-06-03 5:13 pm | N/A 2031-06-01 | Axogen Inc. | AXGN | Blackford Quentin S. Director | 9,066 | $0 | 33,365 (Direct) | View |
2021-03-08 Option Award | 2021-03-10 7:25 pm | N/A N/A | DEXCOM INC | DXCM | Blackford Quentin S. Chief Operating Officer & CFO | 7,491 | $0.001 | 51,674 (Direct) | View |
2020-11-03 Ownership | 2021-01-26 2:08 pm | N/A N/A | Alphatec Holdings Inc. | ATEC | Blackford Quentin S. Director | 16,250 | $0 | 513,930 (Direct) | View |
2020-09-03 Option Award | 2020-09-08 5:36 pm | N/A N/A | Axogen Inc. | AXGN | Blackford Quentin S. Director | 2,591 | $11.75 | 18,126 (Direct) | View |
2020-06-17 Option Award | 2020-06-19 5:53 pm | N/A N/A | Alphatec Holdings Inc. | ATEC | Blackford Quentin S. Director | 28,013 | $0 | 530,180 (Direct) | View |
2020-06-01 Option Award(A) | 2020-06-12 4:21 pm | N/A 2030-06-01 | Axogen Inc. | AXGN | Blackford Quentin S. Director | 18,778 | $0 | 18,778 (Direct) | View |
2020-06-01 Option Award | 2020-06-03 4:49 pm | N/A 2030-06-01 | Axogen Inc. | AXGN | Blackford Quentin S. Director | 20,922 | $0 | 20,922 (Direct) | View |
2020-03-08 Option Award | 2020-03-10 8:19 pm | N/A N/A | DEXCOM INC | DXCM | Blackford Quentin S. Chief Operating Officer & CFO | 12,727 | $0.001 | 81,764 (Direct) | View |
2019-09-03 Option Award | 2019-09-05 5:13 pm | N/A 2029-09-03 | Axogen Inc. | AXGN | Blackford Quentin S. Director | 13,301 | $0 | 13,301 (Direct) | View |
2019-06-21 Option Award | 2019-06-25 5:45 pm | N/A N/A | Alphatec Holdings Inc. | ATEC | Blackford Quentin S. Director | 18,086 | $0 | 502,167 (Direct) | View |
2019-05-15 Option Award | 2019-05-17 9:38 pm | N/A 2022-05-15 | Axogen Inc. | AXGN | Blackford Quentin S. Director | 23,933 | $0 | 23,933 (Direct) | View |
2019-03-08 Option Award | 2019-03-11 8:40 pm | N/A N/A | DEXCOM INC | DXCM | Blackford Quentin S. EVP Chief Financial Officer | 18,432 | $0.001 | 105,972 (Direct) | View |
2018-07-30 Option Award | 2018-08-01 8:29 pm | N/A N/A | Alphatec Holdings Inc. | ATEC | Blackford Quentin S. Director | 41,603 | $0 | 484,081 (Direct) | View |