Blackford Quentin S. Insider Trading Activity

Average Profitability
<0.0001%
Insider Buys Quantity
4
Insider Buys Sum
$1.69M
Insider Sells Quantity
22
Insider Sells Sum
$46.66M

Insider Activity of Blackford Quentin S.

According to the SEC Form 4 filings, Blackford Quentin S., being in a position of

  1. President and CEO at iRhythm Technologies, Inc.,
    оver the last 12 months, has bought 0 shares, and sold 66212 shares for $8.58M,
    over all time since 2022-11-02, has bought 9755 shares for $997,644, and sold 198434 shares for $25.64M.

Biography of Blackford Quentin S.

No biography is available at this moment.

Statistics of Insider Transactions Last Year

Amount of Insider Buys and Sells by Stocks

Buys
 $000
Sells
 $8,580,7853100

Comparison of Insiders on Amount of Buys and Sells

2026-08-10SaleiRhythm Technologies, Inc.
IRTC
President and CEO
26,859
0.0816%
$124.65$3.35M-7.85%
2026-03-02SaleiRhythm Technologies, Inc.
IRTC
President and CEO
13,813
0.041%
$128.44$1.77M-8.51%
2026-02-25SaleiRhythm Technologies, Inc.
IRTC
President and CEO
25,540
0.079%
$135.42$3.46M-13.36%
2025-11-03SaleiRhythm Technologies, Inc.
IRTC
President and CEO
14,059
0.0426%
$182.94$2.57M-33.86%
2025-08-05SaleiRhythm Technologies, Inc.
IRTC
President and CEO
30,000
0.0935%
$160.54$4.82M-4.91%
2025-03-03SaleiRhythm Technologies, Inc.
IRTC
President and CEO
8,145
0.0262%
$108.77$885,932+42.47%
2025-02-26SaleiRhythm Technologies, Inc.
IRTC
President and CEO
22,252
0.073%
$112.13$2.5M+42.06%
2024-11-04SaleiRhythm Technologies, Inc.
IRTC
President and CEO
16,145
0.0492%
$77.41$1.25M+64.11%
2024-03-07PurchaseAlphatec Holdings, Inc.
ATEC
director
20,000
0.0145%
$12.83$256,600-20.79%
2024-03-04SaleiRhythm Technologies, Inc.
IRTC
President and CEO
4,221
0.0139%
$111.14$469,122-15.27%
2024-02-29SaleiRhythm Technologies, Inc.
IRTC
President and CEO
24,701
0.0814%
$121.96$3.01M-22.12%
2023-06-06PurchaseiRhythm Technologies, Inc.
IRTC
President and CEO
9,755
0.032%
$102.27$997,644-0.54%
2022-11-02SaleiRhythm Technologies, Inc.
IRTC
President and CEO
12,699
0.0429%
$122.40$1.55M-14.29%
2021-09-10SaleDexCom, Inc.
DXCM
Chief Operating Officer
1,519
0.0016%
$558.33$848,103-22.31%
2021-09-09SaleDexCom, Inc.
DXCM
Chief Operating Officer
9,462
0.0097%
$547.32$5.18M-22.49%
2021-09-08SaleDexCom, Inc.
DXCM
Chief Operating Officer
7,681
0.0079%
$545.87$4.19M-21.86%
2021-05-28SaleDexCom, Inc.
DXCM
Chief Operating Officer
7,223
0.0076%
$375.00$2.71M+32.74%
2021-03-10SaleDexCom, Inc.
DXCM
Chief Operating Officer & CFO
6,509
0.0069%
$362.22$2.36M+25.57%
2020-09-10SaleDexCom, Inc.
DXCM
Chief Operating Officer & CFO
12,193
0.0131%
$400.59$4.88M-0.73%
2020-09-09SaleDexCom, Inc.
DXCM
Chief Operating Officer & CFO
12,886
0.0133%
$398.30$5.13M-3.61%
Total: 31
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