What SEC filings does RadNet, Inc. submit to the SEC?

RadNet, Inc. (RDNT) submits several types of SEC filings including Form 4 (insider transactions), Form 144 (proposed insider sales), 8-K reports (material events such as earnings releases, acquisitions, leadership changes), and periodic reports — the 10-Q (quarterly) and 10-K (annual). All filings are publicly available through SEC EDGAR.

What does a Form 4 filing tell me about RDNT?

A Form 4 for RDNT discloses a transaction by a company insider — typically a director, officer, or 10%+ shareholder. It shows the source-reported date, number of shares, price, and updated ownership. These facts do not establish motive or predict future returns.

How do I interpret an 8-K filing from RadNet, Inc.?

An 8-K signals a material event requiring prompt disclosure. Common triggers include earnings pre-announcements, acquisitions, leadership appointments or departures, credit changes, or regulatory actions. Read the item codes inside the filing to understand exactly what was disclosed before drawing conclusions.

What is the difference between a 10-K and 10-Q for RDNT?

The 10-K is RadNet, Inc.'s annual report with fully audited financial statements, comprehensive MD&A, and complete risk factor disclosures — filed 60–90 days after fiscal year-end. The 10-Q is a lighter quarterly report with unaudited financials filed for the first three quarters. Together they provide a continuous financial picture of the company.

Where can I see all RDNT SEC filings directly on EDGAR?

You can view all historical RadNet, Inc. filings on the SEC EDGAR company page for RDNT. Each filing card on this page links directly to the original SEC document.

How often does RadNet, Inc. file with the SEC?

RadNet, Inc. files one 10-K per year and up to three 10-Qs per year. Form 4 insider transactions must be reported within two business days of each trade, so the frequency depends on how often insiders are buying or selling RDNT shares. 8-K filings occur whenever a material event happens — which can be several times per quarter for an active company.

RDNT SEC Filing News — RadNet, Inc.

Latest SEC filings for RadNet, Inc. (RDNT) explained in plain English. Covers insider buying and selling (Form 4), proposed insider sales (Form 144), material company events (8-K), and quarterly & annual reports (10-Q / 10-K). StrongBuyAnalytics provides navigation and brief excerpts or summaries; original filings remain at the SEC/source links and were authored by their filers, not StrongBuyAnalytics. Filing dates shown are source dates. Coverage and detection can be delayed or incomplete because of SEC availability, amendments, parsing, caching, or outages. Latest source filing date shown: 2026-08-14.

RadNet, Inc., together with its subsidiaries, provides outpatient diagnostic imaging services in the United States and internationally. The company operates in two segments, Imaging Centers and Digital Health. Its services include magnetic resonance imaging, computed tomography, positron emission tomography, nuclear medicine, mammography, ultrasound, diagnostic radiology, fluoroscopy, and other related procedures, as well as multi-modality imaging services. The company also develops and sells co…

Sector: Healthcare Industry: Diagnostics & Research Market Cap: $5.5B

Total Filings

Bullish Classifications

Bearish Classifications

Insider Transactions

Material Events (8-K)

Periodic Reports

Rule-based classifications for RDNT currently lean bearish. Of the 20 filing records displayed, 3 carry bearish classifications (such as insider sales or negative 8-K disclosures) versus 0 bullish. This does not necessarily signal fundamental deterioration — insiders sell for many reasons — but it is worth monitoring alongside the company's core financial metrics.

RDNT Filing Activity Snapshot 2026-05-06 — 2026-08-14

Insider Transactions (Form 4)

0 buys vs 3 sells

Net insider selling in this period — insiders sell for many reasons beyond conviction.

Largest Form 144 Filing

$2.56M

Forthuber Stephen M (Pres & CEO-Eastern Operations) · 2026-06-16

44,067 shares · Form 4

Form 144 Notices

Proposed insider sales filed — Form 144 is a notice of intent, not a confirmed transaction. Actual sales are confirmed via Form 4.

Insider Transactions 9 · Forms 3, 4 and 5

A Form 4 is filed within two business days of a company insider — an officer, a director, or a holder of more than ten percent of the stock — changing their position in the shares. All 9 filings in this group are Form 4s for RadNet, Inc.

The difficulty with reading these filings as a group is that a single form type covers transactions that mean entirely different things. An executive spending their own money to buy stock and an executive having shares withheld to pay tax on a vesting grant both appear as a Form 4. Every filing below is therefore tagged with the nature of the underlying transaction, taken from the transaction code reported on the form itself.

Across the 9 insider filings shown, the breakdown is 4 compensation award, 3 open-market sale, 1 option exercise and 1 gift. 3 of them involved a discretionary open-market trade; the rest are compensation and administrative mechanics.

What each transaction type means

Compensation award ×4: Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.
Open-market sale ×3: The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.
Option exercise ×1: The insider converted options into shares. The exercise price was fixed when the options were granted, so the timing usually tracks an expiry schedule.
Gift ×1: Shares were transferred as a gift, typically for estate or charitable planning. No sale into the market took place.

Form 4 Open-market sale Insider Selling 2026-06-22

RDNT insider SWARTZ DAVID L (Director) sold 2,699 shares (~$145.4K)

SWARTZ DAVID L, listed as Director at RadNet, Inc., reported an open-market sale of 2,699 RDNT shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`S`	Open-market sale	2,699	$53.89	$145.4K

Filing: Form 4 (Insider Transaction) Insider: SWARTZ DAVID L (Director) Shares: 2,699 Est. Value: $145.4K

View on SEC EDGAR → Open Filing Document →

Form 4 Open-market sale Insider Selling 2026-06-18

RDNT insider Wesdorp Cornelis (Pres & CEO, Digital Health) sold 4,750 shares (~$276.0K)

Wesdorp Cornelis, listed as Pres & CEO, Digital Health at RadNet, Inc., reported an open-market sale of 4,750 RDNT shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`S`	Open-market sale	4,750	$58.11	$276.0K

Filing: Form 4 (Insider Transaction) Insider: Wesdorp Cornelis (Pres & CEO, Digital Health) Shares: 4,750 Est. Value: $276.0K

View on SEC EDGAR → Open Filing Document →

Form 4 Gift Tax / Compensation Filing 2026-06-18

RDNT insider Form 4 filed for equity award, exercise, or tax withholding

Berger Howard G (Director, President, CEO) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were transferred as a gift, typically for estate or charitable planning. No sale into the market took place.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`G`	Gift	90	—	—

Filing: Form 4 (Insider Transaction) Insider: Berger Howard G (Director, President, CEO) Shares: 90

View on SEC EDGAR → Open Filing Document →

Form 4 Open-market sale Insider Selling 2026-06-16

RDNT insider Forthuber Stephen M (Pres & CEO-Eastern Operations) sold 44,067 shares (~$2.56M)

Forthuber Stephen M, listed as Pres & CEO-Eastern Operations at RadNet, Inc., reported an open-market sale of 44,067 RDNT shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`S`	Open-market sale	24,214	$57.79	$1.40M
`S`	Open-market sale	19,853	$58.61	$1.16M

Filing: Form 4 (Insider Transaction) Insider: Forthuber Stephen M (Pres & CEO-Eastern Operations) Shares: 44,067 Est. Value: $2.56M

View on SEC EDGAR → Open Filing Document →

Form 4 Compensation award Tax / Compensation Filing 2026-06-03

RDNT insider Form 4 filed for equity award, exercise, or tax withholding

SWARTZ DAVID L (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`A`	Compensation award	2,946	—	—

Filing: Form 4 (Insider Transaction) Insider: SWARTZ DAVID L (Director) Shares: 2,946

View on SEC EDGAR → Open Filing Document →

Form 4 Compensation award Tax / Compensation Filing 2026-06-03

RDNT insider Form 4 filed for equity award, exercise, or tax withholding

SPURLOCK GREGORY E. (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`A`	Compensation award	2,946	—	—

Filing: Form 4 (Insider Transaction) Insider: SPURLOCK GREGORY E. (Director) Shares: 2,946

View on SEC EDGAR → Open Filing Document →

Form 4 Compensation award Tax / Compensation Filing 2026-06-03

RDNT insider Form 4 filed for equity award, exercise, or tax withholding

Jacobs Laura Pastre (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`A`	Compensation award	2,946	—	—

Filing: Form 4 (Insider Transaction) Insider: Jacobs Laura Pastre (Director) Shares: 2,946

View on SEC EDGAR → Open Filing Document →

Form 4 Compensation award Tax / Compensation Filing 2026-06-03

RDNT insider Form 4 filed for equity award, exercise, or tax withholding

Levitt Lawrence L (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`A`	Compensation award	2,946	—	—

Filing: Form 4 (Insider Transaction) Insider: Levitt Lawrence L (Director) Shares: 2,946

View on SEC EDGAR → Open Filing Document →

Form 4 Option exercise Tax / Compensation Filing 2026-05-06

RDNT insider Form 4 filed for equity award, exercise, or tax withholding

The insider converted options into shares. The exercise price was fixed when the options were granted, so the timing usually tracks an expiry schedule.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`M`	Option exercise	25,992	$18.64	$484.5K
`M`	Option exercise derivative · Stock Option (right to buy)	25,992	—	—

Filing: Form 4 (Insider Transaction) Insider: Berger Howard G (Director, President, CEO) Shares: 25,992

View on SEC EDGAR → Open Filing Document →

Proposed Insider Sales 3 · Form 144

A Form 144 is a notice of intent to sell restricted or control securities. It is not a record that anything was sold. RadNet, Inc. has 3 such notices in this period.

The distinction matters because a Form 144 is frequently reported as though it were a completed insider sale. The filer may sell all of the shares covered, some of them, or none at all, and there is no obligation to update the notice either way. A sale that is actually executed by an officer or director shows up separately on a Form 4, which is the filing to check before treating a proposed sale as a real one.

Form 144 Proposed Insider Sale 2026-06-18

RDNT Form 144 filed for proposed insider sale by DAVID SWARTZ (2,699 shares) ~$145.4K

DAVID SWARTZ filed a Form 144 with the SEC indicating intent to sell RDNT (RadNet, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: DAVID SWARTZ Shares: 2,699 Est. Value: $145.4K

View on SEC EDGAR → Open Filing Document →

Form 144 Proposed Insider Sale 2026-06-16

RDNT Form 144 filed for proposed insider sale by Cornelis Wesdorp (4,750 shares) ~$269.4K

Cornelis Wesdorp filed a Form 144 with the SEC indicating intent to sell RDNT (RadNet, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: Cornelis Wesdorp Shares: 4,750 Est. Value: $269.4K

View on SEC EDGAR → Open Filing Document →

Form 144 Proposed Insider Sale 2026-06-15

RDNT Form 144 filed for proposed insider sale by STEPHEN M FORTHUBER (44,067 shares) ~$2.56M

STEPHEN M FORTHUBER filed a Form 144 with the SEC indicating intent to sell RDNT (RadNet, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: STEPHEN M FORTHUBER Shares: 44,067 Est. Value: $2.56M

View on SEC EDGAR → Open Filing Document →

Material Events 6 · Form 8-K

An 8-K reports a material event in the window between scheduled reports. There are 6 in this period for RadNet, Inc. Each 8-K names the item number it is filed under, and that number is the fastest way to tell a routine disclosure from a consequential one.

Item 2.02 is an earnings release, Item 5.02 is a change of directors or officers, and Item 1.01 or 2.01 covers a material agreement or a completed acquisition. Item 7.01 and Item 8.01 are the general-purpose disclosure items and carry no fixed meaning on their own.

Form 8-K Material Company Update 2026-08-14