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RDNT · Radnet, Inc.
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RDNT RadNet (RDNT) Insider Trading, Ownership & Congress Trades

Healthcare Services · Services-medical laboratories · CIK 0000790526
Quote by TradingView
SEC filings
Insider buyers, 180 days
0
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
170
13F, latest reported quarter
Conversions, 180 days
1
Codes C/M, not in net · $484.5K priced

What the filings say about RDNT

Insiders, 180 days
-$3.0M net sold
3 sellers · 0% of sales under a 10b5-1 plan

RadNet insider trades (Form 4)

Form 4 buys and sells (codes P and S). Grants, option exercises and conversions excluded.

Over the last 180 days, RadNet, Inc. insiders sold a net $3.0M of stock across 91 Form 4 purchases and sales, with no insider buying. Source: SEC Form 4 filings, as of 2026-10-27.

Insider
Filed
Shares
Value
Since filing
SWARTZ DAVID L
Director
SELL
2026-06-22 SECtraded 2026-06-18
2,699
$145.4K
+25.2%
Context
  • 4 earlier Form 4 trades (code P or S) here by this insider (1 buy, 3 sales), the last on Mar 7, 2025.
  • The trade is 1.5% of the 177,013 shares held after it.
  • 2 other insiders sold within 30 days.
  • 170 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director SWARTZ DAVID L sold about $145.4K of RDNT on Jun 18, 2026; 2 other insiders sold within 30 days and 170 funds added in the latest 13F quarter.
Wesdorp Cornelis
Pres & CEO, Digital Health
SELL
2026-06-18 SECtraded 2026-06-16
4,750
$276.0K
+26.1%
Context
  • 6 earlier Form 4 trades (code P or S) here by this insider (6 sales), the last on Sep 11, 2025.
  • The trade is 6.9% of the 69,075 shares held after it.
  • 2 other insiders sold within 30 days.
  • 170 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Pres & CEO, Digital Health Wesdorp Cornelis sold about $276.0K of RDNT on Jun 16, 2026; 2 other insiders sold within 30 days and 170 funds added in the latest 13F quarter.
Forthuber Stephen M
Pres & CEO-Eastern Operations
SELL
2026-06-16 SECtraded 2026-06-15
19,853
$1.2M
+33.2%
Context
  • 6 earlier Form 4 trades (code P or S) here by this insider (6 sales), the last on Dec 5, 2025.
  • The trade is 3.9% of the 507,199 shares held after it.
  • 2 other insiders sold within 30 days.
  • 170 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Pres & CEO-Eastern Operations Forthuber Stephen M sold about $1.2M of RDNT on Jun 15, 2026; 2 other insiders sold within 30 days and 170 funds added in the latest 13F quarter.
Forthuber Stephen M
Pres & CEO-Eastern Operations
SELL
2026-06-16 SECtraded 2026-06-15
24,214
$1.4M
+33.2%
Context
  • 6 earlier Form 4 trades (code P or S) here by this insider (6 sales), the last on Dec 5, 2025.
  • The trade is 4.6% of the 527,052 shares held after it.
  • 2 other insiders sold within 30 days.
  • 170 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Pres & CEO-Eastern Operations Forthuber Stephen M sold about $1.4M of RDNT on Jun 15, 2026; 2 other insiders sold within 30 days and 170 funds added in the latest 13F quarter.
Sorensen Alma Gregory
Chief Strategy Officer
SELL
2026-03-23 SECtraded 2026-03-19
5,346
$335.8K
+17.5%
Context
  • 6 earlier Form 4 trades (code P or S) here by this insider (6 sales), the last on Mar 18, 2026.
  • The trade is 0.4% of the 1,209,023 shares held after it.
  • No other insider sold within 30 days.
  • 170 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Strategy Officer Sorensen Alma Gregory sold about $335.8K of RDNT on Mar 19, 2026; 170 funds added in the latest 13F quarter.
91 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
See all insider buying · insider selling
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Seven facts, ranked against the sector · Rank is not a forecast
Insiders
net -$3.0M over 180 days
below 54% of Healthcare Services
Congress
no House purchase disclosed in the last 12 months
Funds
170 funds bought in last quarter
more than 74% of Healthcare Services
Revenue
+11.5% year over year
more than 50% of Healthcare Services
Margin
-0.9% net margin
below 52% of Healthcare Services
Buybacks
no share repurchases reported
Short interest
14.2% of the float short (float per yahoo 2026-10-26) · 12.8 days to cover · settled 2026-09-30
more than 86% of Healthcare Services
What changed in the last 30 days
Oct 27Insider selling stopped: no sales in 90 days after 4 in the prior 90
Why it matters
The absence is the signal: 4 sales in one 90-day window and none in the next is a change of behaviour, not a filing.

Watch RDNT

A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.

The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
-12.8%12M
-36%-22%-9%+5%2025-102025-122026-022026-042026-062026-082026-10 2025-12-05 · Forthuber Stephen M sold $2.5M2025-11-17 · Patel Mital sold $1.9M2026-06-15 · Forthuber Stephen M sold $1.4M2025-11-19 · Patel Mital sold $1.2M2026-06-15 · Forthuber Stephen M sold $1.2M2025-12-05 · Forthuber Stephen M sold $916.9K2026-03-18 · Sorensen Alma Gregory sold $882.1K2025-11-18 · Patel Mital sold $793.6K2026-03-19 · Sorensen Alma Gregory sold $590.8K2026-03-19 · Sorensen Alma Gregory sold $335.8K2026-06-16 · Wesdorp Cornelis sold $276.0K2026-06-18 · SWARTZ DAVID L sold $145.4K2025-12-05 · Forthuber Stephen M sold $135.6K2026-03-18 · Sorensen Alma Gregory sold $50.2K2026-03-19 · Sorensen Alma Gregory sold $6.4K2026-06-18 · DAVID SWARTZ filed to sell $145.4K
Insider sellForm 144 (planned sale)
Indexed to 100, dividend-adjusted, not a price chart. When a name files heavily, the largest trades are drawn first.

Who owns RDNT: institutional holders (13F)

13F holdings, latest reported quarter
BlackRock, Inc.
10,957,808 sh
$675.8M
RTW INVESTMENTS, LP
4,846,958 sh
$298.9M
VANGUARD PORTFOLIO MANAGEMENT LLC
4,066,931 sh
$250.8M
VANGUARD CAPITAL MANAGEMENT LLC
3,193,565 sh
$196.9M
BECK MACK & OLIVER LLC
3,163,592 sh
$195.1M

Congress trades in RDNT

No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.

Activist and 5% holders (13D/13G)

No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.

RDNT planned insider sales (Form 144)

Notice of intent to sell, filed before any sale
DAVID SWARTZ
Filed 2026-06-18
$145.4K

RDNT mutual fund holders (N-PORT)

Funds ranked by the share of their own portfolio in this stock (N-PORT).
BECK, MACK & OLIVER PARTNERS FUND
$4.9M position · as of 2026-06-30
6.4%
Baron Health Care Fund
$3.7M position · as of 2026-06-30
3.2%
Rockefeller U.S. Small-Mid Cap ETF
$24.1M position · as of 2026-07-31
3.2%
Paradigm Value Fund
$1.7M position · as of 2026-06-30
3.1%
Mairs & Power Small Cap Fund
$8.2M position · as of 2026-06-30
3.0%
ALGER WEATHERBIE SPECIALIZED GROWTH FUND
$6.9M position · as of 2026-07-31
2.9%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M · % is the share of the fund's own portfolio
Executive pay vs shareholder return · Dr. Berger
CEO pay, headline and as actually paid, against the company's return and its chosen peers' (DEF 14A).
FY
CEO total
Actually paid
Other execs, avg
TSR
Peer TSR
2025
$12.1M
$9.3M
$3.1M
+265%
+12%
2024
$9.1M
$16.4M
$2.6M
+257%
-6%
2023
$6.7M
$10.1M
$2.0M
+78%
-8%
2022
$5.6M
$5.6M
$2.8M
-4%
-12%
2021
$4.6M
$4.6M
$1.7M
+54%
+10%
Tagged by the company under SEC Item 402(v). Returns are cumulative from the start of the disclosure period. Green where the company beat its own peer group.
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
The complete filing record, in one place.
The record shows a net $3.0M sold by insiders over 180 days, 170 funds added last quarter. Each figure is a federal filing, dated the day it went public.
Backtest this pattern Open the screener
Same sector, ranked by filing activity
Sector by SEC SIC code
NTRACSTLPGNYHIMSWGSPRVATDOCAVAHGHADUSSERABDSX

RDNT financials

Revenue growth
+11.5%
XBRL, annual
Net margin
-0.9%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$2.3B
four quarters, 2025-07-01 to 2026-06-30
Net margin, TTM
-0.9%
net income over revenue, 2025-07-01 to 2026-06-30
Free cash flow, TTM
$72.4M
operating cash flow minus capex, 2025-07-01 to 2026-06-30
Debt to equity
1.22x
long-term 2026-06-30 plus current 2026-06-30; equity 2026-06-30
Cash flow to debt
0.23x
TTM operating cash flow over long-term 2026-06-30 plus current 2026-06-30
Return on equity
-2.1%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on assets
-0.5%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on invested capital
+2.5%
operating income after a 44.9% effective tax rate, over long-term 2026-06-30 plus current 2026-06-30 plus average of 2025-06-30 and 2026-06-30 minus cash
Return on capital employed
+2.2%
operating income (EBIT proxy) over average of 2025-06-30 and 2026-06-30 minus current liabilities
P/E, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
Enterprise value
$6.1B
market value at close 2026-10-23 on 2026-08-06 shares, plus long-term 2026-06-30 plus current 2026-06-30, minus cash 2026-06-30
FCF yield
+1.3%
TTM free cash flow over market value at close 2026-10-23
PEG, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
Price as of 2026-10-23. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
2025-122024-122023-122022-12
Revenue$2.0B$1.8B$1.6B$1.4B
Operating income$62.0M$104.6M$98.7M$46.4M
Net income-$18.6M$2.8M$3.0M$10.7M
EPS (diluted)-0.250.040.050.17
Operating cash flow$298.8M$233.0M$220.9M$146.4M
Cash$767.2M$740.0M$342.6M$127.8M
Long-term debt$1.1B$991.6M$812.1M$839.3M
SEC XBRL, fiscal years, as known on 2026-10-27

RDNT Stock Sonar score 6/7 axes

Find similar shapesCompare

RDNT ranks highest on risk and compliance (57th percentile) and growth (50th), and lowest on insider conviction (23rd), among Healthcare Services peers.

ProfitHealthGrowthInsidersInstitutionsRisk
Profitability
40
Inputs
  • Return on equity-2.1% · 48 pct, sector of 70
  • Return on assets-0.5% · 54 pct, sector of 88
  • Return on invested capital+2.5% · 5 pct, universe of 1,069
  • Return on capital employed+2.2% · 51 pct, sector of 68
Financial health
43
Inputs
  • Debt to equity1.22x · 28 pct, sector of 61
  • Cash flow to debt0.23x · 57 pct, sector of 66
Growth
50
Inputs
  • Revenue growth, YoY+11.5% · 50 pct, sector of 87
  • Backlog growth, YoYno backlog line filed, or no year-earlier backlog
Insider conviction
23
Inputs
  • Net Form 4 buying (codes P and S), 180d-$3.0M · 46 pct, sector of 64
  • Insider buyers, 180d0 · 0 pct, sector of 64
Institutional and government
46
Inputs
  • Funds adding, latest quarter170 · 74 pct, sector of 73
  • Congress net buyers, 365dno Congress trades in 365 days
  • Federal contracts, 180dno federal contracts in 180 days
  • Lobbying spend, 4 quarters$120K · 19 pct, universe of 1,063
Risk and compliance
57
Inputs
  • Short interest, % of float+14.2% · 16 pct, sector of 95
  • Recalls per $1B revenue, 3ynot measured for this sector, almost no peer has an event
  • EPA cases per $1B revenue, 5ynot measured for this sector, almost no peer has an event
  • New text in Risk Factors, latest 10-K+1.5% · 99 pct, sector of 72
1 not measured: US patents
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

6 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored

RDNT filings, in plain words

Are RadNet insiders buying or selling RDNT?

In the 180 days to 2026-10-27, RadNet insiders were net sellers, a net $3.0M across purchases and sales reported on Form 4, by 3 sellers.

Read the full summary

In the 180 days to 2026-10-27, RadNet insiders were net sellers of RDNT, a net $3.0M across purchases and sales reported on Form 4 by 3 sellers. None of the 4 insider sales was flagged as made under a Rule 10b5-1 plan. Each figure is counted from SEC and House filings as of 2026-10-27, dated the day the filing was made public.

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