NASDAQ: RDNT
Radnet Inc Stock Ownership - Who owns Radnet?

Insider buying vs selling

Have Radnet Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
David L. SwartzDirector2026-06-182,699$53.89
$145.45kSell
Cornelis WesdorpPres CEO Digital Health2026-06-164,750$58.11
$276.02kSell
Stephen M. ForthuberPres CEO-Eastern Operations2026-06-1519,853$58.61
$1.16MSell
Stephen M. ForthuberPres CEO-Eastern Operations2026-06-1524,214$57.79
$1.40MSell
Howard G. BergerPresident CEO2026-05-0525,992$18.64
$484.49kBuy
Alma Gregory SorensenChief Strategy Officer2026-03-195,346$62.82
$335.84kSell
Alma Gregory SorensenChief Strategy Officer2026-03-19100$63.59
$6.36kSell
Alma Gregory SorensenChief Strategy Officer2026-03-199,554$61.84
$590.82kSell
Alma Gregory SorensenChief Strategy Officer2026-03-1814,200$62.12
$882.10kSell
Alma Gregory SorensenChief Strategy Officer2026-03-18800$62.72
$50.18kSell

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Net Insider Buy/Sell (L12M) Ownership

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RDNT Shareholders

What type of owners hold Radnet Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Sandy Nyholm Kaminsky22.98%18,085,620$1.34BInsider
Howard G. Berger7.52%5,921,455$437.18MInsider
Alma Gregory Sorenson1.61%1,270,633$93.81MInsider
Alma Gregory Sorensen1.55%1,218,351$89.95MInsider
Jeffrey L. Linden1.15%902,001$66.59MInsider
Stephen M. Forthuber0.64%507,199$37.45MInsider
John V. Crues0.55%435,262$32.14MInsider
Norman R. Hames0.39%309,106$22.82MInsider
Sami S. Abbasi0.38%300,000$22.15MInsider
Marvin S. Cadwell0.36%285,475$21.08MInsider

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RDNT vs Diagnostic & Research Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
RDNT0.10%39.43%Net SellingNet Selling
SHC0.10%3.19%Net SellingNet Selling
TWST0.12%15.11%Net SellingNet Selling
BLLN0.03%18.72%Net SellingNet Selling
GRAL0.09%18.64%Net SellingNet Buying

Radnet Stock Ownership FAQ

Who owns Radnet?

Radnet (NASDAQ: RDNT) is owned by 0.10% institutional shareholders, 39.43% Radnet insiders, and 60.47% retail investors. Sandy Nyholm Kaminsky is the largest individual Radnet shareholder, owning 18.09M shares representing 22.98% of the company. Sandy Nyholm Kaminsky's Radnet shares are currently valued at $1.34B.

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