Quentin S. Blackford

Insider Reports History

Location
San Francisco, CA
Signature
/s/ Marc Rosenbaum, attorney-in-fact
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Quentin S. Blackford:

Company Role Class Num Shares Value Price $ Report Date Ownership
iRhythm Technologies, Inc. President and CEO, Director Common Stock 164,979 $30,180,713 $182.94 03 Nov 2025 Direct
Alphatec Holdings, Inc. Director Common Stock 568,369 $7,201,235 $12.67 11 Jun 2025 Direct
DEXCOM INC Chief Operating Officer Common Stock 19,280 $2,383,679 $123.63 10 Sep 2021 Direct
Axogen, Inc. Director Common Stock 27,335 $205,013 $7.50 30 Mar 2022 Direct
Axogen, Inc. Director Stock Option (right to purchase) 6,030 $41,909 $6.95 01 Jun 2021 Direct
Paragon 28, Inc. Director Common Stock 0 $0 $13.06 21 Apr 2025 Direct
Axogen, Inc. Director Restricted Stock Units 0 30 Mar 2022 Direct

Insider Reports Filed by Quentin S. Blackford

Symbol Company Period Transactions Value $ Form Type Role Filing Time
IRTC iRhythm Technologies, Inc. 03 Nov 2025 1 -$2,571,907 4 President and CEO, Director 04 Nov 2025, 17:04
IRTC iRhythm Technologies, Inc. 05 Aug 2025 7 -$4,816,191 4 President and CEO, Director 06 Aug 2025, 17:10
ATEC Alphatec Holdings, Inc. 11 Jun 2025 1 $0 4 Director 13 Jun 2025, 17:30
IRTC iRhythm Technologies, Inc. 30 May 2025 1 +$21,224 4 President and CEO, Director 03 Jun 2025, 16:16
ATEC Alphatec Holdings, Inc. 05 May 2025 1 $0 4 Director 06 May 2025, 18:00
/report/000095017025056364-blackford-quentin-s-2025-04-21 Paragon 28, Inc. 21 Apr 2025 1 $0 4 Director 21 Apr 2025, 17:00
IRTC iRhythm Technologies, Inc. 03 Mar 2025 1 -$885,932 4 President and CEO, Director 04 Mar 2025, 16:05
IRTC iRhythm Technologies, Inc. 25 Feb 2025 3 -$2,495,117 4 President and CEO, Director 27 Feb 2025, 16:03
ATEC Alphatec Holdings, Inc. 21 Nov 2024 1 $0 4 Director 05 Dec 2024, 17:14
ATEC Alphatec Holdings, Inc. 12 Jun 2024 1 $0 4 Director 14 Jun 2024, 16:30
IRTC iRhythm Technologies, Inc. 31 May 2024 2 -$1,228,790 4 President and CEO, Director 05 Nov 2024, 11:59
/report/000161071724000254-blackford-quentin-s-2024-05-17 Paragon 28, Inc. 17 May 2024 1 $0 4 Director 21 May 2024, 16:51
ATEC Alphatec Holdings, Inc. 07 Mar 2024 1 +$256,600 4 Director 08 Mar 2024, 20:55
IRTC iRhythm Technologies, Inc. 04 Mar 2024 1 -$469,122 4 President and CEO, Director 05 Mar 2024, 16:52
IRTC iRhythm Technologies, Inc. 28 Feb 2024 2 -$3,012,534 4 President and CEO, Director 01 Mar 2024, 19:19
IRTC iRhythm Technologies, Inc. 27 Feb 2024 1 $0 4 President and CEO, Director 29 Feb 2024, 17:20
ATEC Alphatec Holdings, Inc. 20 Jun 2023 1 $0 4 Director 21 Jun 2023, 20:06
IRTC iRhythm Technologies, Inc. 06 Jun 2023 1 +$997,644 4/A President and CEO, Director 06 Dec 2023, 19:08
/report/000161071723000057-blackford-quentin-s-2023-05-17 Paragon 28, Inc. 17 May 2023 1 $0 4 Director 19 May 2023, 18:32
IRTC iRhythm Technologies, Inc. 27 Feb 2023 1 $0 4 President and CEO, Director 01 Mar 2023, 17:14
IRTC iRhythm Technologies, Inc. 02 Nov 2022 2 -$1,554,398 4 President and CEO, Director 04 Nov 2022, 14:20
/report/000156761923003533-blackford-quentin-s-2022-08-01-restatement Paragon 28, Inc. 01 Aug 2022 0 $0 3/A Director 22 Feb 2023, 16:09
/report/000156761922014960-blackford-quentin-s-2022-08-01 Paragon 28, Inc. 01 Aug 2022 1 +$300,007 4 Director 04 Aug 2022, 17:25
ATEC Alphatec Holdings, Inc. 15 Jun 2022 1 $0 4 Director 17 Jun 2022, 15:31
AXGN Axogen, Inc. 30 Mar 2022 2 $0 4 Director 01 Apr 2022, 16:55
IRTC iRhythm Technologies, Inc. 05 Oct 2021 1 $0 4 President and CEO, Director 07 Oct 2021, 19:27
IRTC iRhythm Technologies, Inc. 04 Oct 2021 0 $0 3 President and CEO, Director 05 Oct 2021, 16:22
DXCM DEXCOM INC 08 Sep 2021 14 -$10,219,648 4 Chief Operating Officer 10 Sep 2021, 16:15
ATEC Alphatec Holdings, Inc. 16 Jun 2021 1 $0 4 Director 21 Jun 2021, 14:15
AXGN Axogen, Inc. 01 Jun 2021 4 $0 4 Director 03 Jun 2021, 17:13
DXCM DEXCOM INC 28 May 2021 1 -$2,708,625 4 Chief Operating Officer 01 Jun 2021, 21:14