// company-profile
RadNet, Inc.
RDNTExchangeNasdaqSectorServices-Medical LaboratoriesInc.DEFilings131Insiders15
// api This RadNet, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
Mixed insider activity over the last 30 days: 4 purchases and 4 sales (8 transactions total).
// 90-day insight
Over the last 90 days, RadNet, Inc. insiders bought $484K (6 transactions) and sold $3.0M (4 transactions).
- Most active insider: Berger Howard G with 3 transactions totaling $484K.
- Largest single sale: $1.4M by Forthuber Stephen M on Jun 15, 2026.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of RadNet, Inc. as of 2026-03-31
Total reported AUM
$3.68B
QoQ change
-16.3%
Reporting period
2026-03-31
#1
BlackRock, Inc.
CIK 2012383
$372.4M
6.7M shares
#2
RTW INVESTMENTS, LP
CIK 1493215
$239.5M
4.3M shares
#3
BECK MACK & OLIVER LLC
CIK 10742
$177.0M
3.2M shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 18, 2026 | SWARTZ DAVID L | RDNT | Sale | 2,699 | $53.89 | $145K |
| Jun 16, 2026 | Berger Howard G | RDNT | Gift | 90 | $0.00 | $0K |
| Jun 16, 2026 | Wesdorp Cornelis | RDNT | Sale | 4,750 | $58.11 | $276K |
| Jun 15, 2026 | Forthuber Stephen M | RDNT | Sale | 19,853 | $58.61 | $1.16M |
| Jun 15, 2026 | Forthuber Stephen M | RDNT | Sale | 24,214 | $57.79 | $1.40M |
45 more transactions hidden
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