Stolper Mark
- SEC CIK
- 0001281961
No open-market purchases or sales filed in the past year.
Current role at each company
- DFPH Starling Oncology, Inc.Directoras of Jul 29, 2026
- RDNT RadNet, Inc.EVP, Chief Financial Officeras of Mar 5, 2026
- CHRS Coherus Oncology, Inc.Directoras of Jun 5, 2024
- SRGA Surgalign Holdings, Inc.Directoras of Aug 17, 2022
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- –
- 0 filings
- Sold
- –
- 0 filings
- Net
- –
- Bought minus sold
- Companies
- 0
- With open-market trades
Trades
Every Form 4 that lists Stolper Mark as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
RDNT RadNet, Inc.
EVP, Chief Financial Officer2 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 18, 2025 (view filing) | Sep 16 | 2 days | Stolper MarkEVP, Chief Financial Officer | SSale | −35.0K | $73.89 | −$2.59M | −34.0%68.0K after | |
| Jun 12, 2024 (view filing) | Jun 10 | 2 days | Stolper MarkEVP, Chief Financial Officer | SSale | −25.0K | $61.27 | −$1.53M | −23.7%80.4K after |