Insiders · Profile

Blackford Quentin S.

President and CEO at iRhythm · Director at Alphatec · Chief Operating Officer at Dexcom · and 1 more. Filing since 10 Sep 2018. CIK 0001612451

Company
Date
Role
Action
Shares
Amount
Of holding
10 Aug 2026
President and CEO
Sold at will
26,859
$3.35M
10.6%
2 Mar 2026
President and CEO
Sold at will
13,813
$1.77M
6.3%
25 Feb 2026
President and CEO
Sold at will
25,540
$3.46M
12.1%
3 Nov 2025
President and CEO
Sold at will
14,059
$2.57M
7.9%
5 Aug 2025
President and CEO
Sold on a plan
30,000
$4.82M
14.4%
3 Mar 2025
President and CEO
Sold at will
8,145
$885.93K
3.8%
26 Feb 2025
President and CEO
Sold at will
22,252
$2.50M
9.3%
4 Nov 2024
President and CEO
Sold at will
16,145
$1.25M
9.2%
7 Mar 2024
Director
Bought
20,000
$256.60K
3.6%
4 Mar 2024
President and CEO
Sold at will
4,221
$469.12K
2.3%
29 Feb 2024
President and CEO
Sold at will
24,701
$3.01M
12.1%
2 Nov 2022
President and CEO
Sold, plan not stated
12,699
$1.55M
12.5%
10 Sep 2021
Chief Operating Officer
Sold, plan not stated
1,519
$848.10K
7.3%
9 Sep 2021
Chief Operating Officer
Sold, plan not stated
9,462
$5.18M
31.3%
8 Sep 2021
Chief Operating Officer
Sold, plan not stated
7,681
$4.19M
20.2%
28 May 2021
Chief Operating Officer
Sold, plan not stated
7,223
$2.71M
16.0%
10 Mar 2021
Chief Operating Officer & CFO
Sold, plan not stated
6,509
$2.36M
12.6%
10 Sep 2020
Chief Operating Officer & CFO
Sold, plan not stated
12,193
$4.88M
21.7%
9 Sep 2020
Chief Operating Officer & CFO
Sold, plan not stated
12,886
$5.13M
18.6%
12 Mar 2020
Chief Operating Officer & CFO
Sold, plan not stated
6,353
$1.48M
8.4%
11 Mar 2020
Chief Operating Officer & CFO
Sold, plan not stated
6,208
$1.64M
7.6%
9 Mar 2020
Chief Operating Officer & CFO
Sold, plan not stated
891
$232.55K
1.1%
10 Sep 2019
EVP Chief Financial Officer
Sold, plan not stated
10,320
$1.46M
12.9%
9 Sep 2019
EVP Chief Financial Officer
Sold, plan not stated
11,686
$1.75M
12.7%
12 Aug 2019
Director
Bought
14,170
$199.80K
56.0%
9 Aug 2019
Director
Bought
1,365
$17.88K
5.7%
29 May 2019
EVP Chief Financial Officer
Sold, plan not stated
8,874
$1.06M
8.8%
12 Mar 2019
EVP Chief Financial Officer
Sold, plan not stated
5,358
$765.08K
5.1%
11 Sep 2018
EVP, CFO, PFO & PAO
Sold, plan not stated
8,440
$1.24M
8.8%
10 Sep 2018
EVP, CFO, PFO & PAO
Sold, plan not stated
7,149
$1.03M
7.0%
30 decisions on file.