MARK STOLPER

Insider Reports History

Location
Los Angeles, CA
Signature
/s/ Mark Hueppelsheuser, Attorney-in-fact for Mark Stolper
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 MARK STOLPER:

Company Role Class Num Shares Value Price $ Report Date Ownership
RadNet, Inc. EVP, Chief Financial Officer Common Stock 103,715 $629,550 $6.07 10 Dec 2025 Direct
SURGALIGN HOLDINGS, INC. Director Common Stock 28,867 $34,640 $1.20 15 Aug 2022 Direct
Coherus BioSciences, Inc. Director Stock Option (Right to Buy) 112,000 03 Jun 2024 Direct
RadNet, Inc. EVP, Chief Financial Officer Employee Stock Option (right to buy) 0 10 Dec 2025 Direct

Insider Reports Filed by MARK STOLPER

Symbol Company Period Transactions Value $ Form Type Role Filing Time
TOI Oncology Institute, Inc. 02 Jan 2026 0 $0 3 Director 12 Jan 2026, 16:57
RDNT RadNet, Inc. 10 Dec 2025 2 +$216,717 4 EVP, Chief Financial Officer 12 Dec 2025, 16:15
RDNT RadNet, Inc. 16 Sep 2025 1 -$2,586,150 4 EVP, Chief Financial Officer 18 Sep 2025, 17:29
RDNT RadNet, Inc. 08 Jan 2025 1 $0 4 EVP, Chief Financial Officer 10 Jan 2025, 17:47
RDNT RadNet, Inc. 16 Dec 2024 1 $0 4 EVP, Chief Financial Officer 18 Dec 2024, 17:14
RDNT RadNet, Inc. 10 Jun 2024 1 -$1,531,750 4 EVP, Chief Financial Officer 12 Jun 2024, 17:36
CHRS Coherus BioSciences, Inc. 03 Jun 2024 1 $0 4 Director 05 Jun 2024, 18:49
RDNT RadNet, Inc. 01 Mar 2024 2 $0 4 EVP, Chief Financial Officer 04 Mar 2024, 21:25
RDNT RadNet, Inc. 09 Jan 2024 1 $0 4 EVP, Chief Financial Officer 10 Jan 2024, 19:39
CHRS Coherus BioSciences, Inc. 07 Jun 2023 1 $0 4 Director 09 Jun 2023, 17:08
RDNT RadNet, Inc. 12 May 2023 1 $0 4 Executive VP and CFO 16 May 2023, 18:30
RDNT RadNet, Inc. 04 May 2023 1 $0 4 Executive VP and CFO 08 May 2023, 20:39
RDNT RadNet, Inc. 28 Feb 2023 2 $0 4 Executive VP and CFO 02 Mar 2023, 17:22
RDNT RadNet, Inc. 03 Jan 2023 2 $0 4 Executive VP and CFO 05 Jan 2023, 18:35
/report/000120919122046165-stolper-mark-2022-08-15 SURGALIGN HOLDINGS, INC. 15 Aug 2022 1 $0 4 Director 17 Aug 2022, 12:42
CHRS Coherus BioSciences, Inc. 07 Jan 2022 1 $0 4/A Director 11 Feb 2022, 15:13
RDNT RadNet, Inc. 04 Jan 2022 4 $0 4 Executive VP and CFO 06 Jan 2022, 18:06
RDNT RadNet, Inc. 21 Sep 2021 1 $0 4 Executive VP and CFO 24 Sep 2021, 21:22
CHRS Coherus BioSciences, Inc. 21 May 2021 1 $0 4 Director 25 May 2021, 16:56
/report/000120919121045021-stolper-mark-2021-05-07-restatement SURGALIGN HOLDINGS, INC. 07 May 2021 1 $0 4/A Director 02 Jul 2021, 16:48
RDNT RadNet, Inc. 06 Jan 2020 2 $0 4/A Executive VP and CFO 08 May 2023, 20:39