Blackford Quentin S.

CIK 00016124516 companiesSAN FRANCISCO, CA

SEC Profile

Transactions

Companies

Filings

CIK

0001612451

Recent Transactions

50 trades

Sale
iRhythm Holdings, Inc.$IRTC
Common Stock
2026-03-02$128.44/sh−4,347→ 213,621 total
Sale
iRhythm Holdings, Inc.$IRTC
Common Stock
2026-03-02$128.44/sh−4,043→ 209,578 total
Sale
iRhythm Holdings, Inc.$IRTC
Common Stock
2026-03-02$128.44/sh−5,423→ 204,155 total
Sale
iRhythm Holdings, Inc.$IRTC
Common Stock
2026-02-25$135.42/sh−25,540→ 186,126 total
Award
iRhythm Holdings, Inc.$IRTC
Common Stock
2026-02-25+31,842→ 217,968 total
Award
iRhythm Holdings, Inc.$IRTC
Common Stock
2026-02-24+46,687→ 211,666 total
Sale
iRhythm Holdings, Inc.$IRTC
Common Stock
2025-11-03$182.94/sh−14,059→ 164,979 total
Sale
iRhythm Holdings, Inc.$IRTC
Common Stock
2025-08-05$163.30/sh−1,514→ 182,518 total
Sale
iRhythm Holdings, Inc.$IRTC
Common Stock
2025-08-05$158.85/sh−8,726→ 200,312 total
Sale
iRhythm Holdings, Inc.$IRTC
Common Stock
2025-08-05$161.92/sh−1,600→ 184,032 total
Sale
iRhythm Holdings, Inc.$IRTC
Common Stock
2025-08-05$163.93/sh−3,174→ 179,344 total
Sale
iRhythm Holdings, Inc.$IRTC
Common Stock
2025-08-05$160.06/sh−9,775→ 190,537 total
Sale
iRhythm Holdings, Inc.$IRTC
Common Stock
2025-08-05$160.73/sh−4,905→ 185,632 total
Sale
iRhythm Holdings, Inc.$IRTC
Common Stock
2025-08-05$165.00/sh−306→ 179,038 total
Award
Alphatec Holdings, Inc.$ATEC
Common Stock
2025-06-11+15,131→ 568,369 total
Award
iRhythm Holdings, Inc.$IRTC
Common Stock
2025-05-30$71.46/sh+297→ 209,038 total
Gift
Alphatec Holdings, Inc.$ATEC
Common Stock
2025-05-05−21,000→ 553,238 total
Disposition to Issuer
Paragon 28, Inc.
Common Stock
2025-04-21−50,554→ 0 total
Sale
iRhythm Holdings, Inc.$IRTC
Common Stock
2025-03-03$108.77/sh−8,145→ 208,741 total
Award
iRhythm Holdings, Inc.$IRTC
Common Stock
2025-02-26+38,599→ 239,138 total
Sale
iRhythm Holdings, Inc.$IRTC
Common Stock
2025-02-26$112.13/sh−22,252→ 216,886 total
Award
iRhythm Holdings, Inc.$IRTC
Common Stock
2025-02-25+40,610→ 200,539 total
Gift
Alphatec Holdings, Inc.$ATEC
Common Stock
2024-11-21−15,114→ 574,238 total
Sale
iRhythm Holdings, Inc.$IRTC
Common Stock
2024-11-04$77.41/sh−16,145→ 159,929 total
Award
Alphatec Holdings, Inc.$ATEC
Common Stock
2024-06-12+16,747→ 589,352 total
Award
iRhythm Holdings, Inc.$IRTC
Common Stock
2024-05-31$74.98/sh+280→ 176,074 total
Award
Paragon 28, Inc.
Common Stock
2024-05-17+15,906→ 50,554 total
Purchase
Alphatec Holdings, Inc.$ATEC
Common Stock
2024-03-07$12.83/sh+20,000→ 572,605 total
Sale
iRhythm Holdings, Inc.$IRTC
Common Stock
2024-03-04$111.14/sh−4,221→ 175,794 total
Sale
iRhythm Holdings, Inc.$IRTC
Common Stock
2024-02-29$121.96/sh−24,701→ 180,015 total
Award
iRhythm Holdings, Inc.$IRTC
Common Stock
2024-02-28+30,938→ 204,716 total
Award
iRhythm Holdings, Inc.$IRTC
Common Stock
2024-02-27+45,268→ 173,778 total
Award
Alphatec Holdings, Inc.$ATEC
Common Stock
2023-06-20+9,908→ 552,605 total
Award
iRhythm Holdings, Inc.$IRTC
Common Stock
2023-06-06$102.27/sh+9,755→ 128,510 total
Purchase
iRhythm Holdings, Inc.$IRTC
Common Stock
2023-06-06$102.27/sh+9,755→ 128,510 total
Award
Paragon 28, Inc.
Common Stock
2023-05-17+8,361→ 34,648 total
Award
iRhythm Holdings, Inc.$IRTC
Common Stock
2023-02-27+28,775→ 118,524 total
Sale
iRhythm Holdings, Inc.$IRTC
Common Stock
2022-11-02$118.17/sh−284→ 101,695 total
Sale
iRhythm Holdings, Inc.$IRTC
Common Stock
2022-11-02$122.50/sh−12,415→ 89,280 total
Award
Paragon 28, Inc.
Common Stock
2022-08-01$18.42/sh+16,287→ 16,287 total
Award
Alphatec Holdings, Inc.$ATEC
Common Stock
2022-06-15+18,546→ 542,697 total
Exercise/Conversion
Axogen, Inc.$AXGN
Restricted Stock Units
2022-03-30−3,036→ 0 total
Exercise/Conversion
Axogen, Inc.$AXGN
Common Stock
2022-03-30+3,036→ 27,335 total
Award
iRhythm Holdings, Inc.$IRTC
Common Stock
2021-10-05+101,979→ 101,979 total
Sale
DEXCOM INC$DXCM
Common Stock
2021-09-10$558.33/sh−1,519→ 19,280 total
Sale
DEXCOM INC$DXCM
Common Stock
2021-09-09$549.45/sh−2,394→ 23,199 total
Sale
DEXCOM INC$DXCM
Common Stock
2021-09-09$547.28/sh−900→ 26,793 total
Sale
DEXCOM INC$DXCM
Common Stock
2021-09-09$550.51/sh−2,200→ 20,999 total
Sale
DEXCOM INC$DXCM
Common Stock
2021-09-09$542.83/sh−300→ 27,893 total
Sale
DEXCOM INC$DXCM
Common Stock
2021-09-09$542.03/sh−19→ 28,708 total

Companies

Recent Filings

Address

C/O IRHYTHM HOLDINGS, INC. 699 8TH ST #600

SAN FRANCISCO, CA, 94103

View on SEC.gov